ABB | sku: IS.06052025.01 ABB S5N Circuit Breaker | 400A | 3-Pole | 600V AC | 22kA | Bolt-On | Thermal Magnetic MSRP: Now: $140.00 Add to Cart Compare ABB | sku: IS.07242025.09 ABB XT5SU340ABYN000XXX MCCB – XT5 Series Molded Case Circuit Breaker, 3 Pole, 400A, UL/IEC Certified MSRP: Now: $1,375.00 Add to Cart Compare Cutler Hammer | sku: IS.10072024.01 Cutler-Hammer LDC3400T52VWA0601H09 Circuit Breaker – 400A, 3 Pole, 600V AC, OPTIM 550, Naval Label MSRP: Now: $4,900.00 Add to Cart Compare Eaton | sku: HKD3225-UA-EPS EATON HKD 3400F 400A 3P 600V Breaker w/ KT3225T Trip MSRP: Now: $1,200.00 Add to Cart Compare Eaton | sku: IS.11132024.23 Eaton KDC3400F Breaker 400A 600V 3-Pole w/ KT3150T 150A Thermal Magnetic Trip MSRP: Now: $1,850.00 Add to Cart Compare Eaton | sku: IS.10072024.02 Eaton LDC3400T52VWA0601H09 Molded Case Circuit Breaker – 400A, 3 Pole, 600V AC, 200kA, L-Frame, Trip Unit and Auxiliary Included MSRP: Now: $8,200.00 Add to Cart Compare Eaton | sku: IS.11132024.38 Eaton LGU3630NN Circuit Breaker | 630A | 3-Pole | 600V AC | 65kAIC | Series G LG-Frame | Thermal Magnetic | W/LT340036 Trip Unit MSRP: Now: $3,750.00 Add to Cart Compare General Electric | sku: TJK436F000-UA-YAG General Electric TJK436F000 Breaker | 400A | 600V | 3-Pole | 3-Phase | 22kA | Thermal-Magnetic MSRP: Now: $325.00 Add to Cart Compare Siemens | sku: IS.07252024.02 Siemens HJX3P400 Circuit Breaker 400A 480V 3P with Trip Unit MSRP: Now: $400.00 Add to Cart Compare Siemens | sku: IS.07252024.03 Siemens HJX3P400F 3VL4140-2GE33-0AA0 Circuit Breaker | 400A | 3-Pole | 690V AC | Thermal Magnetic | Molded Case MSRP: Now: $400.00 Add to Cart Compare Siemens | sku: JXD22B400-UA-YAG Siemens JXD22B400 Circuit Breaker - 400A 2-Pole 600V Type JXD2 Molded Case 65kA @ 240V MSRP: Now: $100.00 Add to Cart Compare Siemens | sku: JXD63B250-UA-YAG Siemens JXD63B250 Breaker | 250A Frame, 400A Trip Unit | 3-Pole 600V | 65kA Interrupt | Bolt-On MCCB MSRP: Now: $400.00 Add to Cart Compare Square D | sku: IS.05272025.01 Square D LA36400 Circuit Breaker | 400A | 3-Pole | 600V AC | 22kA | I-Line Thermal Magnetic | Crack & Chipped MSRP: Now: $175.00 Add to Cart Compare Square D | sku: IS.05062024.28 Square D LJL36400U43X Circuit Breaker | 400A 3P 600V | 65kA | LJL Frame | Adjustable Trip | Micrologic 5.0 | UL Listed | Molded Case MSRP: Now: $500.00 Add to Cart Compare Square D | sku: DH.10072025.01 Square D MEC836LI1212 Circuit Breaker | 800A Frame | 400A Trip | 3-Pole | 600V AC | ME8400RP + Aux Switch MSRP: Now: $450.00 Add to Cart Compare ABB | sku: IS.06052025.01 ABB S5N Circuit Breaker | 400A | 3-Pole | 600V AC | 22kA | Bolt-On | Thermal Magnetic The ABB S5N Circuit Breaker is designed for dependable protection and control of electrical systems in commercial and industrial applications. Featuring a 400A current rating, 3-pole configuration, and 600V AC operating voltage, this breaker ensures... MSRP: Now: $140.00 Add to Cart Compare ABB | sku: IS.07242025.09 ABB XT5SU340ABYN000XXX MCCB – XT5 Series Molded Case Circuit Breaker, 3 Pole, 400A, UL/IEC Certified The ABB XT5SU340ABYN000XXX is a high-performance 3-pole molded case circuit breaker (MCCB) from ABB’s advanced XT5 series. Rated for 400A, this breaker offers reliable protection for power distribution systems in commercial and industrial... MSRP: Now: $1,375.00 Add to Cart Compare Cutler Hammer | sku: IS.10072024.01 Cutler-Hammer LDC3400T52VWA0601H09 Circuit Breaker – 400A, 3 Pole, 600V AC, OPTIM 550, Naval Label The Cutler-Hammer LDC3400T52VWA0601H09 by Eaton is a heavy-duty, L-frame molded case circuit breaker designed for marine and industrial-grade power systems. Rated at 400 amps, 600V AC, and 3 poles, this unit includes a precision OPTIM 550 electronic trip... MSRP: Now: $4,900.00 Add to Cart Compare Eaton | sku: HKD3225-UA-EPS EATON HKD 3400F 400A 3P 600V Breaker w/ KT3225T Trip The Eaton HKD3400F is a heavy-duty molded case circuit breaker (MCCB) built for industrial and commercial applications. This 3-pole breaker is rated for 400A and supports up to 600V AC operation, with a 35kA interrupting capacity at 600V for high... MSRP: Now: $1,200.00 Add to Cart Compare Eaton | sku: IS.11132024.23 Eaton KDC3400F Breaker 400A 600V 3-Pole w/ KT3150T 150A Thermal Magnetic Trip The Eaton KDC3400F Circuit Breaker is a high-capacity solution for industrial and commercial electrical systems. Rated at 400A, 600V, 3-pole, and paired with a KT3150T 150A thermal magnetic trip, this breaker provides superior short-circuit and overload... MSRP: Now: $1,850.00 Add to Cart Compare Eaton | sku: IS.10072024.02 Eaton LDC3400T52VWA0601H09 Molded Case Circuit Breaker – 400A, 3 Pole, 600V AC, 200kA, L-Frame, Trip Unit and Auxiliary Included The Eaton LDC3400T52VWA0601H09 is a 400-amp, 3-pole molded case circuit breaker from Eaton’s reliable L-Frame series, rated for 600V AC and equipped with an advanced VWA electronic trip unit. This unit features a naval label, indicating it meets... MSRP: Now: $8,200.00 Add to Cart Compare Eaton | sku: IS.11132024.38 Eaton LGU3630NN Circuit Breaker | 630A | 3-Pole | 600V AC | 65kAIC | Series G LG-Frame | Thermal Magnetic | W/LT340036 Trip Unit The Eaton LGU3630NN is a Series G LG-frame molded case circuit breaker designed for heavy-duty industrial and commercial applications. Rated at 630A, 3-pole, 600V AC, with a breaking capacity of 65kAIC at 600V AC, this breaker provides reliable... MSRP: Now: $3,750.00 Add to Cart Compare General Electric | sku: TJK436F000-UA-YAG General Electric TJK436F000 Breaker | 400A | 600V | 3-Pole | 3-Phase | 22kA | Thermal-Magnetic General Electric TJK436F000 Breaker | 400A | 600V | 3-Pole | 3-Phase | 22kA | Thermal-Magnetic Description:The General Electric TJK436F000 is a high-capacity 3-pole, 3-phase thermal-magnetic molded case circuit breaker designed for industrial and... MSRP: Now: $325.00 Add to Cart Compare Siemens | sku: IS.07252024.02 Siemens HJX3P400 Circuit Breaker 400A 480V 3P with Trip Unit The Siemens HJX3P400 (MLFB 3VL4140-2GE30-0AA0) is a high-performance 3-pole molded case circuit breaker with a rotary mechanism (3VL9400-3HE01), designed for industrial and commercial electrical systems. Rated at 400A and 690V AC, it provides reliable... MSRP: Now: $400.00 Add to Cart Compare Siemens | sku: IS.07252024.03 Siemens HJX3P400F 3VL4140-2GE33-0AA0 Circuit Breaker | 400A | 3-Pole | 690V AC | Thermal Magnetic | Molded Case The Siemens HJX3P400F (MLFB: 3VL4140-2GE33-0AA0) is a 3-pole thermal magnetic molded case circuit breaker rated at 400A and 690V AC, designed for industrial and commercial electrical systems. Providing reliable protection against overloads, short... MSRP: Now: $400.00 Add to Cart Compare Siemens | sku: JXD22B400-UA-YAG Siemens JXD22B400 Circuit Breaker - 400A 2-Pole 600V Type JXD2 Molded Case 65kA @ 240V The Siemens JXD22B400 is a heavy-duty 2-pole molded case circuit breaker (MCCB) rated for 400 amps and up to 600V AC. This Type JXD2 breaker features a high interrupting capacity of 65kA at 240V, making it ideal for use in demanding industrial and... MSRP: Now: $100.00 Add to Cart Compare Siemens | sku: JXD63B250-UA-YAG Siemens JXD63B250 Breaker | 250A Frame, 400A Trip Unit | 3-Pole 600V | 65kA Interrupt | Bolt-On MCCB The Siemens JXD63B250 is a heavy-duty molded case circuit breaker from the JXD6 Series, designed for demanding power distribution environments. This unit features a 250A frame size with a 400A trip unit, providing high-performance protection at 600V AC... MSRP: Now: $400.00 Add to Cart Compare Square D | sku: IS.05272025.01 Square D LA36400 Circuit Breaker | 400A | 3-Pole | 600V AC | 22kA | I-Line Thermal Magnetic | Crack & Chipped The Square D LA36400 is a 3-pole I-Line thermal magnetic circuit breaker rated at 400A and 600V AC, providing reliable protection against overloads and short circuits with a breaking capacity of 22kA. This breaker is ideal for industrial and commercial... MSRP: Now: $175.00 Add to Cart Compare Square D | sku: IS.05062024.28 Square D LJL36400U43X Circuit Breaker | 400A 3P 600V | 65kA | LJL Frame | Adjustable Trip | Micrologic 5.0 | UL Listed | Molded Case The Square D LJL36400U43X is a premium molded case circuit breaker (MCCB) from Schneider Electric’s PowerPact L-Frame (LJL) series, designed for demanding industrial and commercial applications. This 3-pole, 400A breaker supports up to 600V AC and... MSRP: Now: $500.00 Add to Cart Compare Square D | sku: DH.10072025.01 Square D MEC836LI1212 Circuit Breaker | 800A Frame | 400A Trip | 3-Pole | 600V AC | ME8400RP + Aux Switch The Square D MEC836LI1212 molded case circuit breaker provides reliable protection for heavy-duty electrical systems. Built with an 800A frame and equipped with the ME8400RP trip unit, this breaker is configured for a 400A trip rating to suit specific... MSRP: Now: $450.00 Add to Cart Compare Compare Selected × OK
ABB | sku: IS.07242025.09 ABB XT5SU340ABYN000XXX MCCB – XT5 Series Molded Case Circuit Breaker, 3 Pole, 400A, UL/IEC Certified MSRP: Now: $1,375.00 Add to Cart Compare Cutler Hammer | sku: IS.10072024.01 Cutler-Hammer LDC3400T52VWA0601H09 Circuit Breaker – 400A, 3 Pole, 600V AC, OPTIM 550, Naval Label MSRP: Now: $4,900.00 Add to Cart Compare Eaton | sku: HKD3225-UA-EPS EATON HKD 3400F 400A 3P 600V Breaker w/ KT3225T Trip MSRP: Now: $1,200.00 Add to Cart Compare Eaton | sku: IS.11132024.23 Eaton KDC3400F Breaker 400A 600V 3-Pole w/ KT3150T 150A Thermal Magnetic Trip MSRP: Now: $1,850.00 Add to Cart Compare Eaton | sku: IS.10072024.02 Eaton LDC3400T52VWA0601H09 Molded Case Circuit Breaker – 400A, 3 Pole, 600V AC, 200kA, L-Frame, Trip Unit and Auxiliary Included MSRP: Now: $8,200.00 Add to Cart Compare Eaton | sku: IS.11132024.38 Eaton LGU3630NN Circuit Breaker | 630A | 3-Pole | 600V AC | 65kAIC | Series G LG-Frame | Thermal Magnetic | W/LT340036 Trip Unit MSRP: Now: $3,750.00 Add to Cart Compare General Electric | sku: TJK436F000-UA-YAG General Electric TJK436F000 Breaker | 400A | 600V | 3-Pole | 3-Phase | 22kA | Thermal-Magnetic MSRP: Now: $325.00 Add to Cart Compare Siemens | sku: IS.07252024.02 Siemens HJX3P400 Circuit Breaker 400A 480V 3P with Trip Unit MSRP: Now: $400.00 Add to Cart Compare Siemens | sku: IS.07252024.03 Siemens HJX3P400F 3VL4140-2GE33-0AA0 Circuit Breaker | 400A | 3-Pole | 690V AC | Thermal Magnetic | Molded Case MSRP: Now: $400.00 Add to Cart Compare Siemens | sku: JXD22B400-UA-YAG Siemens JXD22B400 Circuit Breaker - 400A 2-Pole 600V Type JXD2 Molded Case 65kA @ 240V MSRP: Now: $100.00 Add to Cart Compare Siemens | sku: JXD63B250-UA-YAG Siemens JXD63B250 Breaker | 250A Frame, 400A Trip Unit | 3-Pole 600V | 65kA Interrupt | Bolt-On MCCB MSRP: Now: $400.00 Add to Cart Compare Square D | sku: IS.05272025.01 Square D LA36400 Circuit Breaker | 400A | 3-Pole | 600V AC | 22kA | I-Line Thermal Magnetic | Crack & Chipped MSRP: Now: $175.00 Add to Cart Compare Square D | sku: IS.05062024.28 Square D LJL36400U43X Circuit Breaker | 400A 3P 600V | 65kA | LJL Frame | Adjustable Trip | Micrologic 5.0 | UL Listed | Molded Case MSRP: Now: $500.00 Add to Cart Compare Square D | sku: DH.10072025.01 Square D MEC836LI1212 Circuit Breaker | 800A Frame | 400A Trip | 3-Pole | 600V AC | ME8400RP + Aux Switch MSRP: Now: $450.00 Add to Cart Compare ABB | sku: IS.06052025.01 ABB S5N Circuit Breaker | 400A | 3-Pole | 600V AC | 22kA | Bolt-On | Thermal Magnetic The ABB S5N Circuit Breaker is designed for dependable protection and control of electrical systems in commercial and industrial applications. Featuring a 400A current rating, 3-pole configuration, and 600V AC operating voltage, this breaker ensures... MSRP: Now: $140.00 Add to Cart Compare ABB | sku: IS.07242025.09 ABB XT5SU340ABYN000XXX MCCB – XT5 Series Molded Case Circuit Breaker, 3 Pole, 400A, UL/IEC Certified The ABB XT5SU340ABYN000XXX is a high-performance 3-pole molded case circuit breaker (MCCB) from ABB’s advanced XT5 series. Rated for 400A, this breaker offers reliable protection for power distribution systems in commercial and industrial... MSRP: Now: $1,375.00 Add to Cart Compare Cutler Hammer | sku: IS.10072024.01 Cutler-Hammer LDC3400T52VWA0601H09 Circuit Breaker – 400A, 3 Pole, 600V AC, OPTIM 550, Naval Label The Cutler-Hammer LDC3400T52VWA0601H09 by Eaton is a heavy-duty, L-frame molded case circuit breaker designed for marine and industrial-grade power systems. Rated at 400 amps, 600V AC, and 3 poles, this unit includes a precision OPTIM 550 electronic trip... MSRP: Now: $4,900.00 Add to Cart Compare Eaton | sku: HKD3225-UA-EPS EATON HKD 3400F 400A 3P 600V Breaker w/ KT3225T Trip The Eaton HKD3400F is a heavy-duty molded case circuit breaker (MCCB) built for industrial and commercial applications. This 3-pole breaker is rated for 400A and supports up to 600V AC operation, with a 35kA interrupting capacity at 600V for high... MSRP: Now: $1,200.00 Add to Cart Compare Eaton | sku: IS.11132024.23 Eaton KDC3400F Breaker 400A 600V 3-Pole w/ KT3150T 150A Thermal Magnetic Trip The Eaton KDC3400F Circuit Breaker is a high-capacity solution for industrial and commercial electrical systems. Rated at 400A, 600V, 3-pole, and paired with a KT3150T 150A thermal magnetic trip, this breaker provides superior short-circuit and overload... MSRP: Now: $1,850.00 Add to Cart Compare Eaton | sku: IS.10072024.02 Eaton LDC3400T52VWA0601H09 Molded Case Circuit Breaker – 400A, 3 Pole, 600V AC, 200kA, L-Frame, Trip Unit and Auxiliary Included The Eaton LDC3400T52VWA0601H09 is a 400-amp, 3-pole molded case circuit breaker from Eaton’s reliable L-Frame series, rated for 600V AC and equipped with an advanced VWA electronic trip unit. This unit features a naval label, indicating it meets... MSRP: Now: $8,200.00 Add to Cart Compare Eaton | sku: IS.11132024.38 Eaton LGU3630NN Circuit Breaker | 630A | 3-Pole | 600V AC | 65kAIC | Series G LG-Frame | Thermal Magnetic | W/LT340036 Trip Unit The Eaton LGU3630NN is a Series G LG-frame molded case circuit breaker designed for heavy-duty industrial and commercial applications. Rated at 630A, 3-pole, 600V AC, with a breaking capacity of 65kAIC at 600V AC, this breaker provides reliable... MSRP: Now: $3,750.00 Add to Cart Compare General Electric | sku: TJK436F000-UA-YAG General Electric TJK436F000 Breaker | 400A | 600V | 3-Pole | 3-Phase | 22kA | Thermal-Magnetic General Electric TJK436F000 Breaker | 400A | 600V | 3-Pole | 3-Phase | 22kA | Thermal-Magnetic Description:The General Electric TJK436F000 is a high-capacity 3-pole, 3-phase thermal-magnetic molded case circuit breaker designed for industrial and... MSRP: Now: $325.00 Add to Cart Compare Siemens | sku: IS.07252024.02 Siemens HJX3P400 Circuit Breaker 400A 480V 3P with Trip Unit The Siemens HJX3P400 (MLFB 3VL4140-2GE30-0AA0) is a high-performance 3-pole molded case circuit breaker with a rotary mechanism (3VL9400-3HE01), designed for industrial and commercial electrical systems. Rated at 400A and 690V AC, it provides reliable... MSRP: Now: $400.00 Add to Cart Compare Siemens | sku: IS.07252024.03 Siemens HJX3P400F 3VL4140-2GE33-0AA0 Circuit Breaker | 400A | 3-Pole | 690V AC | Thermal Magnetic | Molded Case The Siemens HJX3P400F (MLFB: 3VL4140-2GE33-0AA0) is a 3-pole thermal magnetic molded case circuit breaker rated at 400A and 690V AC, designed for industrial and commercial electrical systems. Providing reliable protection against overloads, short... MSRP: Now: $400.00 Add to Cart Compare Siemens | sku: JXD22B400-UA-YAG Siemens JXD22B400 Circuit Breaker - 400A 2-Pole 600V Type JXD2 Molded Case 65kA @ 240V The Siemens JXD22B400 is a heavy-duty 2-pole molded case circuit breaker (MCCB) rated for 400 amps and up to 600V AC. This Type JXD2 breaker features a high interrupting capacity of 65kA at 240V, making it ideal for use in demanding industrial and... MSRP: Now: $100.00 Add to Cart Compare Siemens | sku: JXD63B250-UA-YAG Siemens JXD63B250 Breaker | 250A Frame, 400A Trip Unit | 3-Pole 600V | 65kA Interrupt | Bolt-On MCCB The Siemens JXD63B250 is a heavy-duty molded case circuit breaker from the JXD6 Series, designed for demanding power distribution environments. This unit features a 250A frame size with a 400A trip unit, providing high-performance protection at 600V AC... MSRP: Now: $400.00 Add to Cart Compare Square D | sku: IS.05272025.01 Square D LA36400 Circuit Breaker | 400A | 3-Pole | 600V AC | 22kA | I-Line Thermal Magnetic | Crack & Chipped The Square D LA36400 is a 3-pole I-Line thermal magnetic circuit breaker rated at 400A and 600V AC, providing reliable protection against overloads and short circuits with a breaking capacity of 22kA. This breaker is ideal for industrial and commercial... MSRP: Now: $175.00 Add to Cart Compare Square D | sku: IS.05062024.28 Square D LJL36400U43X Circuit Breaker | 400A 3P 600V | 65kA | LJL Frame | Adjustable Trip | Micrologic 5.0 | UL Listed | Molded Case The Square D LJL36400U43X is a premium molded case circuit breaker (MCCB) from Schneider Electric’s PowerPact L-Frame (LJL) series, designed for demanding industrial and commercial applications. This 3-pole, 400A breaker supports up to 600V AC and... MSRP: Now: $500.00 Add to Cart Compare Square D | sku: DH.10072025.01 Square D MEC836LI1212 Circuit Breaker | 800A Frame | 400A Trip | 3-Pole | 600V AC | ME8400RP + Aux Switch The Square D MEC836LI1212 molded case circuit breaker provides reliable protection for heavy-duty electrical systems. Built with an 800A frame and equipped with the ME8400RP trip unit, this breaker is configured for a 400A trip rating to suit specific... MSRP: Now: $450.00 Add to Cart Compare Compare Selected × OK
Cutler Hammer | sku: IS.10072024.01 Cutler-Hammer LDC3400T52VWA0601H09 Circuit Breaker – 400A, 3 Pole, 600V AC, OPTIM 550, Naval Label MSRP: Now: $4,900.00 Add to Cart Compare Eaton | sku: HKD3225-UA-EPS EATON HKD 3400F 400A 3P 600V Breaker w/ KT3225T Trip MSRP: Now: $1,200.00 Add to Cart Compare Eaton | sku: IS.11132024.23 Eaton KDC3400F Breaker 400A 600V 3-Pole w/ KT3150T 150A Thermal Magnetic Trip MSRP: Now: $1,850.00 Add to Cart Compare Eaton | sku: IS.10072024.02 Eaton LDC3400T52VWA0601H09 Molded Case Circuit Breaker – 400A, 3 Pole, 600V AC, 200kA, L-Frame, Trip Unit and Auxiliary Included MSRP: Now: $8,200.00 Add to Cart Compare Eaton | sku: IS.11132024.38 Eaton LGU3630NN Circuit Breaker | 630A | 3-Pole | 600V AC | 65kAIC | Series G LG-Frame | Thermal Magnetic | W/LT340036 Trip Unit MSRP: Now: $3,750.00 Add to Cart Compare General Electric | sku: TJK436F000-UA-YAG General Electric TJK436F000 Breaker | 400A | 600V | 3-Pole | 3-Phase | 22kA | Thermal-Magnetic MSRP: Now: $325.00 Add to Cart Compare Siemens | sku: IS.07252024.02 Siemens HJX3P400 Circuit Breaker 400A 480V 3P with Trip Unit MSRP: Now: $400.00 Add to Cart Compare Siemens | sku: IS.07252024.03 Siemens HJX3P400F 3VL4140-2GE33-0AA0 Circuit Breaker | 400A | 3-Pole | 690V AC | Thermal Magnetic | Molded Case MSRP: Now: $400.00 Add to Cart Compare Siemens | sku: JXD22B400-UA-YAG Siemens JXD22B400 Circuit Breaker - 400A 2-Pole 600V Type JXD2 Molded Case 65kA @ 240V MSRP: Now: $100.00 Add to Cart Compare Siemens | sku: JXD63B250-UA-YAG Siemens JXD63B250 Breaker | 250A Frame, 400A Trip Unit | 3-Pole 600V | 65kA Interrupt | Bolt-On MCCB MSRP: Now: $400.00 Add to Cart Compare Square D | sku: IS.05272025.01 Square D LA36400 Circuit Breaker | 400A | 3-Pole | 600V AC | 22kA | I-Line Thermal Magnetic | Crack & Chipped MSRP: Now: $175.00 Add to Cart Compare Square D | sku: IS.05062024.28 Square D LJL36400U43X Circuit Breaker | 400A 3P 600V | 65kA | LJL Frame | Adjustable Trip | Micrologic 5.0 | UL Listed | Molded Case MSRP: Now: $500.00 Add to Cart Compare Square D | sku: DH.10072025.01 Square D MEC836LI1212 Circuit Breaker | 800A Frame | 400A Trip | 3-Pole | 600V AC | ME8400RP + Aux Switch MSRP: Now: $450.00 Add to Cart Compare ABB | sku: IS.06052025.01 ABB S5N Circuit Breaker | 400A | 3-Pole | 600V AC | 22kA | Bolt-On | Thermal Magnetic The ABB S5N Circuit Breaker is designed for dependable protection and control of electrical systems in commercial and industrial applications. Featuring a 400A current rating, 3-pole configuration, and 600V AC operating voltage, this breaker ensures... MSRP: Now: $140.00 Add to Cart Compare ABB | sku: IS.07242025.09 ABB XT5SU340ABYN000XXX MCCB – XT5 Series Molded Case Circuit Breaker, 3 Pole, 400A, UL/IEC Certified The ABB XT5SU340ABYN000XXX is a high-performance 3-pole molded case circuit breaker (MCCB) from ABB’s advanced XT5 series. Rated for 400A, this breaker offers reliable protection for power distribution systems in commercial and industrial... MSRP: Now: $1,375.00 Add to Cart Compare Cutler Hammer | sku: IS.10072024.01 Cutler-Hammer LDC3400T52VWA0601H09 Circuit Breaker – 400A, 3 Pole, 600V AC, OPTIM 550, Naval Label The Cutler-Hammer LDC3400T52VWA0601H09 by Eaton is a heavy-duty, L-frame molded case circuit breaker designed for marine and industrial-grade power systems. Rated at 400 amps, 600V AC, and 3 poles, this unit includes a precision OPTIM 550 electronic trip... MSRP: Now: $4,900.00 Add to Cart Compare Eaton | sku: HKD3225-UA-EPS EATON HKD 3400F 400A 3P 600V Breaker w/ KT3225T Trip The Eaton HKD3400F is a heavy-duty molded case circuit breaker (MCCB) built for industrial and commercial applications. This 3-pole breaker is rated for 400A and supports up to 600V AC operation, with a 35kA interrupting capacity at 600V for high... MSRP: Now: $1,200.00 Add to Cart Compare Eaton | sku: IS.11132024.23 Eaton KDC3400F Breaker 400A 600V 3-Pole w/ KT3150T 150A Thermal Magnetic Trip The Eaton KDC3400F Circuit Breaker is a high-capacity solution for industrial and commercial electrical systems. Rated at 400A, 600V, 3-pole, and paired with a KT3150T 150A thermal magnetic trip, this breaker provides superior short-circuit and overload... MSRP: Now: $1,850.00 Add to Cart Compare Eaton | sku: IS.10072024.02 Eaton LDC3400T52VWA0601H09 Molded Case Circuit Breaker – 400A, 3 Pole, 600V AC, 200kA, L-Frame, Trip Unit and Auxiliary Included The Eaton LDC3400T52VWA0601H09 is a 400-amp, 3-pole molded case circuit breaker from Eaton’s reliable L-Frame series, rated for 600V AC and equipped with an advanced VWA electronic trip unit. This unit features a naval label, indicating it meets... MSRP: Now: $8,200.00 Add to Cart Compare Eaton | sku: IS.11132024.38 Eaton LGU3630NN Circuit Breaker | 630A | 3-Pole | 600V AC | 65kAIC | Series G LG-Frame | Thermal Magnetic | W/LT340036 Trip Unit The Eaton LGU3630NN is a Series G LG-frame molded case circuit breaker designed for heavy-duty industrial and commercial applications. Rated at 630A, 3-pole, 600V AC, with a breaking capacity of 65kAIC at 600V AC, this breaker provides reliable... MSRP: Now: $3,750.00 Add to Cart Compare General Electric | sku: TJK436F000-UA-YAG General Electric TJK436F000 Breaker | 400A | 600V | 3-Pole | 3-Phase | 22kA | Thermal-Magnetic General Electric TJK436F000 Breaker | 400A | 600V | 3-Pole | 3-Phase | 22kA | Thermal-Magnetic Description:The General Electric TJK436F000 is a high-capacity 3-pole, 3-phase thermal-magnetic molded case circuit breaker designed for industrial and... MSRP: Now: $325.00 Add to Cart Compare Siemens | sku: IS.07252024.02 Siemens HJX3P400 Circuit Breaker 400A 480V 3P with Trip Unit The Siemens HJX3P400 (MLFB 3VL4140-2GE30-0AA0) is a high-performance 3-pole molded case circuit breaker with a rotary mechanism (3VL9400-3HE01), designed for industrial and commercial electrical systems. Rated at 400A and 690V AC, it provides reliable... MSRP: Now: $400.00 Add to Cart Compare Siemens | sku: IS.07252024.03 Siemens HJX3P400F 3VL4140-2GE33-0AA0 Circuit Breaker | 400A | 3-Pole | 690V AC | Thermal Magnetic | Molded Case The Siemens HJX3P400F (MLFB: 3VL4140-2GE33-0AA0) is a 3-pole thermal magnetic molded case circuit breaker rated at 400A and 690V AC, designed for industrial and commercial electrical systems. Providing reliable protection against overloads, short... MSRP: Now: $400.00 Add to Cart Compare Siemens | sku: JXD22B400-UA-YAG Siemens JXD22B400 Circuit Breaker - 400A 2-Pole 600V Type JXD2 Molded Case 65kA @ 240V The Siemens JXD22B400 is a heavy-duty 2-pole molded case circuit breaker (MCCB) rated for 400 amps and up to 600V AC. This Type JXD2 breaker features a high interrupting capacity of 65kA at 240V, making it ideal for use in demanding industrial and... MSRP: Now: $100.00 Add to Cart Compare Siemens | sku: JXD63B250-UA-YAG Siemens JXD63B250 Breaker | 250A Frame, 400A Trip Unit | 3-Pole 600V | 65kA Interrupt | Bolt-On MCCB The Siemens JXD63B250 is a heavy-duty molded case circuit breaker from the JXD6 Series, designed for demanding power distribution environments. This unit features a 250A frame size with a 400A trip unit, providing high-performance protection at 600V AC... MSRP: Now: $400.00 Add to Cart Compare Square D | sku: IS.05272025.01 Square D LA36400 Circuit Breaker | 400A | 3-Pole | 600V AC | 22kA | I-Line Thermal Magnetic | Crack & Chipped The Square D LA36400 is a 3-pole I-Line thermal magnetic circuit breaker rated at 400A and 600V AC, providing reliable protection against overloads and short circuits with a breaking capacity of 22kA. This breaker is ideal for industrial and commercial... MSRP: Now: $175.00 Add to Cart Compare Square D | sku: IS.05062024.28 Square D LJL36400U43X Circuit Breaker | 400A 3P 600V | 65kA | LJL Frame | Adjustable Trip | Micrologic 5.0 | UL Listed | Molded Case The Square D LJL36400U43X is a premium molded case circuit breaker (MCCB) from Schneider Electric’s PowerPact L-Frame (LJL) series, designed for demanding industrial and commercial applications. This 3-pole, 400A breaker supports up to 600V AC and... MSRP: Now: $500.00 Add to Cart Compare Square D | sku: DH.10072025.01 Square D MEC836LI1212 Circuit Breaker | 800A Frame | 400A Trip | 3-Pole | 600V AC | ME8400RP + Aux Switch The Square D MEC836LI1212 molded case circuit breaker provides reliable protection for heavy-duty electrical systems. Built with an 800A frame and equipped with the ME8400RP trip unit, this breaker is configured for a 400A trip rating to suit specific... MSRP: Now: $450.00 Add to Cart Compare Compare Selected × OK
Eaton | sku: HKD3225-UA-EPS EATON HKD 3400F 400A 3P 600V Breaker w/ KT3225T Trip MSRP: Now: $1,200.00 Add to Cart Compare Eaton | sku: IS.11132024.23 Eaton KDC3400F Breaker 400A 600V 3-Pole w/ KT3150T 150A Thermal Magnetic Trip MSRP: Now: $1,850.00 Add to Cart Compare Eaton | sku: IS.10072024.02 Eaton LDC3400T52VWA0601H09 Molded Case Circuit Breaker – 400A, 3 Pole, 600V AC, 200kA, L-Frame, Trip Unit and Auxiliary Included MSRP: Now: $8,200.00 Add to Cart Compare Eaton | sku: IS.11132024.38 Eaton LGU3630NN Circuit Breaker | 630A | 3-Pole | 600V AC | 65kAIC | Series G LG-Frame | Thermal Magnetic | W/LT340036 Trip Unit MSRP: Now: $3,750.00 Add to Cart Compare General Electric | sku: TJK436F000-UA-YAG General Electric TJK436F000 Breaker | 400A | 600V | 3-Pole | 3-Phase | 22kA | Thermal-Magnetic MSRP: Now: $325.00 Add to Cart Compare Siemens | sku: IS.07252024.02 Siemens HJX3P400 Circuit Breaker 400A 480V 3P with Trip Unit MSRP: Now: $400.00 Add to Cart Compare Siemens | sku: IS.07252024.03 Siemens HJX3P400F 3VL4140-2GE33-0AA0 Circuit Breaker | 400A | 3-Pole | 690V AC | Thermal Magnetic | Molded Case MSRP: Now: $400.00 Add to Cart Compare Siemens | sku: JXD22B400-UA-YAG Siemens JXD22B400 Circuit Breaker - 400A 2-Pole 600V Type JXD2 Molded Case 65kA @ 240V MSRP: Now: $100.00 Add to Cart Compare Siemens | sku: JXD63B250-UA-YAG Siemens JXD63B250 Breaker | 250A Frame, 400A Trip Unit | 3-Pole 600V | 65kA Interrupt | Bolt-On MCCB MSRP: Now: $400.00 Add to Cart Compare Square D | sku: IS.05272025.01 Square D LA36400 Circuit Breaker | 400A | 3-Pole | 600V AC | 22kA | I-Line Thermal Magnetic | Crack & Chipped MSRP: Now: $175.00 Add to Cart Compare Square D | sku: IS.05062024.28 Square D LJL36400U43X Circuit Breaker | 400A 3P 600V | 65kA | LJL Frame | Adjustable Trip | Micrologic 5.0 | UL Listed | Molded Case MSRP: Now: $500.00 Add to Cart Compare Square D | sku: DH.10072025.01 Square D MEC836LI1212 Circuit Breaker | 800A Frame | 400A Trip | 3-Pole | 600V AC | ME8400RP + Aux Switch MSRP: Now: $450.00 Add to Cart Compare ABB | sku: IS.06052025.01 ABB S5N Circuit Breaker | 400A | 3-Pole | 600V AC | 22kA | Bolt-On | Thermal Magnetic The ABB S5N Circuit Breaker is designed for dependable protection and control of electrical systems in commercial and industrial applications. Featuring a 400A current rating, 3-pole configuration, and 600V AC operating voltage, this breaker ensures... MSRP: Now: $140.00 Add to Cart Compare ABB | sku: IS.07242025.09 ABB XT5SU340ABYN000XXX MCCB – XT5 Series Molded Case Circuit Breaker, 3 Pole, 400A, UL/IEC Certified The ABB XT5SU340ABYN000XXX is a high-performance 3-pole molded case circuit breaker (MCCB) from ABB’s advanced XT5 series. Rated for 400A, this breaker offers reliable protection for power distribution systems in commercial and industrial... MSRP: Now: $1,375.00 Add to Cart Compare Cutler Hammer | sku: IS.10072024.01 Cutler-Hammer LDC3400T52VWA0601H09 Circuit Breaker – 400A, 3 Pole, 600V AC, OPTIM 550, Naval Label The Cutler-Hammer LDC3400T52VWA0601H09 by Eaton is a heavy-duty, L-frame molded case circuit breaker designed for marine and industrial-grade power systems. Rated at 400 amps, 600V AC, and 3 poles, this unit includes a precision OPTIM 550 electronic trip... MSRP: Now: $4,900.00 Add to Cart Compare Eaton | sku: HKD3225-UA-EPS EATON HKD 3400F 400A 3P 600V Breaker w/ KT3225T Trip The Eaton HKD3400F is a heavy-duty molded case circuit breaker (MCCB) built for industrial and commercial applications. This 3-pole breaker is rated for 400A and supports up to 600V AC operation, with a 35kA interrupting capacity at 600V for high... MSRP: Now: $1,200.00 Add to Cart Compare Eaton | sku: IS.11132024.23 Eaton KDC3400F Breaker 400A 600V 3-Pole w/ KT3150T 150A Thermal Magnetic Trip The Eaton KDC3400F Circuit Breaker is a high-capacity solution for industrial and commercial electrical systems. Rated at 400A, 600V, 3-pole, and paired with a KT3150T 150A thermal magnetic trip, this breaker provides superior short-circuit and overload... MSRP: Now: $1,850.00 Add to Cart Compare Eaton | sku: IS.10072024.02 Eaton LDC3400T52VWA0601H09 Molded Case Circuit Breaker – 400A, 3 Pole, 600V AC, 200kA, L-Frame, Trip Unit and Auxiliary Included The Eaton LDC3400T52VWA0601H09 is a 400-amp, 3-pole molded case circuit breaker from Eaton’s reliable L-Frame series, rated for 600V AC and equipped with an advanced VWA electronic trip unit. This unit features a naval label, indicating it meets... MSRP: Now: $8,200.00 Add to Cart Compare Eaton | sku: IS.11132024.38 Eaton LGU3630NN Circuit Breaker | 630A | 3-Pole | 600V AC | 65kAIC | Series G LG-Frame | Thermal Magnetic | W/LT340036 Trip Unit The Eaton LGU3630NN is a Series G LG-frame molded case circuit breaker designed for heavy-duty industrial and commercial applications. Rated at 630A, 3-pole, 600V AC, with a breaking capacity of 65kAIC at 600V AC, this breaker provides reliable... MSRP: Now: $3,750.00 Add to Cart Compare General Electric | sku: TJK436F000-UA-YAG General Electric TJK436F000 Breaker | 400A | 600V | 3-Pole | 3-Phase | 22kA | Thermal-Magnetic General Electric TJK436F000 Breaker | 400A | 600V | 3-Pole | 3-Phase | 22kA | Thermal-Magnetic Description:The General Electric TJK436F000 is a high-capacity 3-pole, 3-phase thermal-magnetic molded case circuit breaker designed for industrial and... MSRP: Now: $325.00 Add to Cart Compare Siemens | sku: IS.07252024.02 Siemens HJX3P400 Circuit Breaker 400A 480V 3P with Trip Unit The Siemens HJX3P400 (MLFB 3VL4140-2GE30-0AA0) is a high-performance 3-pole molded case circuit breaker with a rotary mechanism (3VL9400-3HE01), designed for industrial and commercial electrical systems. Rated at 400A and 690V AC, it provides reliable... MSRP: Now: $400.00 Add to Cart Compare Siemens | sku: IS.07252024.03 Siemens HJX3P400F 3VL4140-2GE33-0AA0 Circuit Breaker | 400A | 3-Pole | 690V AC | Thermal Magnetic | Molded Case The Siemens HJX3P400F (MLFB: 3VL4140-2GE33-0AA0) is a 3-pole thermal magnetic molded case circuit breaker rated at 400A and 690V AC, designed for industrial and commercial electrical systems. Providing reliable protection against overloads, short... MSRP: Now: $400.00 Add to Cart Compare Siemens | sku: JXD22B400-UA-YAG Siemens JXD22B400 Circuit Breaker - 400A 2-Pole 600V Type JXD2 Molded Case 65kA @ 240V The Siemens JXD22B400 is a heavy-duty 2-pole molded case circuit breaker (MCCB) rated for 400 amps and up to 600V AC. This Type JXD2 breaker features a high interrupting capacity of 65kA at 240V, making it ideal for use in demanding industrial and... MSRP: Now: $100.00 Add to Cart Compare Siemens | sku: JXD63B250-UA-YAG Siemens JXD63B250 Breaker | 250A Frame, 400A Trip Unit | 3-Pole 600V | 65kA Interrupt | Bolt-On MCCB The Siemens JXD63B250 is a heavy-duty molded case circuit breaker from the JXD6 Series, designed for demanding power distribution environments. This unit features a 250A frame size with a 400A trip unit, providing high-performance protection at 600V AC... MSRP: Now: $400.00 Add to Cart Compare Square D | sku: IS.05272025.01 Square D LA36400 Circuit Breaker | 400A | 3-Pole | 600V AC | 22kA | I-Line Thermal Magnetic | Crack & Chipped The Square D LA36400 is a 3-pole I-Line thermal magnetic circuit breaker rated at 400A and 600V AC, providing reliable protection against overloads and short circuits with a breaking capacity of 22kA. This breaker is ideal for industrial and commercial... MSRP: Now: $175.00 Add to Cart Compare Square D | sku: IS.05062024.28 Square D LJL36400U43X Circuit Breaker | 400A 3P 600V | 65kA | LJL Frame | Adjustable Trip | Micrologic 5.0 | UL Listed | Molded Case The Square D LJL36400U43X is a premium molded case circuit breaker (MCCB) from Schneider Electric’s PowerPact L-Frame (LJL) series, designed for demanding industrial and commercial applications. This 3-pole, 400A breaker supports up to 600V AC and... MSRP: Now: $500.00 Add to Cart Compare Square D | sku: DH.10072025.01 Square D MEC836LI1212 Circuit Breaker | 800A Frame | 400A Trip | 3-Pole | 600V AC | ME8400RP + Aux Switch The Square D MEC836LI1212 molded case circuit breaker provides reliable protection for heavy-duty electrical systems. Built with an 800A frame and equipped with the ME8400RP trip unit, this breaker is configured for a 400A trip rating to suit specific... MSRP: Now: $450.00 Add to Cart Compare Compare Selected × OK
Eaton | sku: IS.11132024.23 Eaton KDC3400F Breaker 400A 600V 3-Pole w/ KT3150T 150A Thermal Magnetic Trip MSRP: Now: $1,850.00 Add to Cart Compare Eaton | sku: IS.10072024.02 Eaton LDC3400T52VWA0601H09 Molded Case Circuit Breaker – 400A, 3 Pole, 600V AC, 200kA, L-Frame, Trip Unit and Auxiliary Included MSRP: Now: $8,200.00 Add to Cart Compare Eaton | sku: IS.11132024.38 Eaton LGU3630NN Circuit Breaker | 630A | 3-Pole | 600V AC | 65kAIC | Series G LG-Frame | Thermal Magnetic | W/LT340036 Trip Unit MSRP: Now: $3,750.00 Add to Cart Compare General Electric | sku: TJK436F000-UA-YAG General Electric TJK436F000 Breaker | 400A | 600V | 3-Pole | 3-Phase | 22kA | Thermal-Magnetic MSRP: Now: $325.00 Add to Cart Compare Siemens | sku: IS.07252024.02 Siemens HJX3P400 Circuit Breaker 400A 480V 3P with Trip Unit MSRP: Now: $400.00 Add to Cart Compare Siemens | sku: IS.07252024.03 Siemens HJX3P400F 3VL4140-2GE33-0AA0 Circuit Breaker | 400A | 3-Pole | 690V AC | Thermal Magnetic | Molded Case MSRP: Now: $400.00 Add to Cart Compare Siemens | sku: JXD22B400-UA-YAG Siemens JXD22B400 Circuit Breaker - 400A 2-Pole 600V Type JXD2 Molded Case 65kA @ 240V MSRP: Now: $100.00 Add to Cart Compare Siemens | sku: JXD63B250-UA-YAG Siemens JXD63B250 Breaker | 250A Frame, 400A Trip Unit | 3-Pole 600V | 65kA Interrupt | Bolt-On MCCB MSRP: Now: $400.00 Add to Cart Compare Square D | sku: IS.05272025.01 Square D LA36400 Circuit Breaker | 400A | 3-Pole | 600V AC | 22kA | I-Line Thermal Magnetic | Crack & Chipped MSRP: Now: $175.00 Add to Cart Compare Square D | sku: IS.05062024.28 Square D LJL36400U43X Circuit Breaker | 400A 3P 600V | 65kA | LJL Frame | Adjustable Trip | Micrologic 5.0 | UL Listed | Molded Case MSRP: Now: $500.00 Add to Cart Compare Square D | sku: DH.10072025.01 Square D MEC836LI1212 Circuit Breaker | 800A Frame | 400A Trip | 3-Pole | 600V AC | ME8400RP + Aux Switch MSRP: Now: $450.00 Add to Cart Compare ABB | sku: IS.06052025.01 ABB S5N Circuit Breaker | 400A | 3-Pole | 600V AC | 22kA | Bolt-On | Thermal Magnetic The ABB S5N Circuit Breaker is designed for dependable protection and control of electrical systems in commercial and industrial applications. Featuring a 400A current rating, 3-pole configuration, and 600V AC operating voltage, this breaker ensures... MSRP: Now: $140.00 Add to Cart Compare ABB | sku: IS.07242025.09 ABB XT5SU340ABYN000XXX MCCB – XT5 Series Molded Case Circuit Breaker, 3 Pole, 400A, UL/IEC Certified The ABB XT5SU340ABYN000XXX is a high-performance 3-pole molded case circuit breaker (MCCB) from ABB’s advanced XT5 series. Rated for 400A, this breaker offers reliable protection for power distribution systems in commercial and industrial... MSRP: Now: $1,375.00 Add to Cart Compare Cutler Hammer | sku: IS.10072024.01 Cutler-Hammer LDC3400T52VWA0601H09 Circuit Breaker – 400A, 3 Pole, 600V AC, OPTIM 550, Naval Label The Cutler-Hammer LDC3400T52VWA0601H09 by Eaton is a heavy-duty, L-frame molded case circuit breaker designed for marine and industrial-grade power systems. Rated at 400 amps, 600V AC, and 3 poles, this unit includes a precision OPTIM 550 electronic trip... MSRP: Now: $4,900.00 Add to Cart Compare Eaton | sku: HKD3225-UA-EPS EATON HKD 3400F 400A 3P 600V Breaker w/ KT3225T Trip The Eaton HKD3400F is a heavy-duty molded case circuit breaker (MCCB) built for industrial and commercial applications. This 3-pole breaker is rated for 400A and supports up to 600V AC operation, with a 35kA interrupting capacity at 600V for high... MSRP: Now: $1,200.00 Add to Cart Compare Eaton | sku: IS.11132024.23 Eaton KDC3400F Breaker 400A 600V 3-Pole w/ KT3150T 150A Thermal Magnetic Trip The Eaton KDC3400F Circuit Breaker is a high-capacity solution for industrial and commercial electrical systems. Rated at 400A, 600V, 3-pole, and paired with a KT3150T 150A thermal magnetic trip, this breaker provides superior short-circuit and overload... MSRP: Now: $1,850.00 Add to Cart Compare Eaton | sku: IS.10072024.02 Eaton LDC3400T52VWA0601H09 Molded Case Circuit Breaker – 400A, 3 Pole, 600V AC, 200kA, L-Frame, Trip Unit and Auxiliary Included The Eaton LDC3400T52VWA0601H09 is a 400-amp, 3-pole molded case circuit breaker from Eaton’s reliable L-Frame series, rated for 600V AC and equipped with an advanced VWA electronic trip unit. This unit features a naval label, indicating it meets... MSRP: Now: $8,200.00 Add to Cart Compare Eaton | sku: IS.11132024.38 Eaton LGU3630NN Circuit Breaker | 630A | 3-Pole | 600V AC | 65kAIC | Series G LG-Frame | Thermal Magnetic | W/LT340036 Trip Unit The Eaton LGU3630NN is a Series G LG-frame molded case circuit breaker designed for heavy-duty industrial and commercial applications. Rated at 630A, 3-pole, 600V AC, with a breaking capacity of 65kAIC at 600V AC, this breaker provides reliable... MSRP: Now: $3,750.00 Add to Cart Compare General Electric | sku: TJK436F000-UA-YAG General Electric TJK436F000 Breaker | 400A | 600V | 3-Pole | 3-Phase | 22kA | Thermal-Magnetic General Electric TJK436F000 Breaker | 400A | 600V | 3-Pole | 3-Phase | 22kA | Thermal-Magnetic Description:The General Electric TJK436F000 is a high-capacity 3-pole, 3-phase thermal-magnetic molded case circuit breaker designed for industrial and... MSRP: Now: $325.00 Add to Cart Compare Siemens | sku: IS.07252024.02 Siemens HJX3P400 Circuit Breaker 400A 480V 3P with Trip Unit The Siemens HJX3P400 (MLFB 3VL4140-2GE30-0AA0) is a high-performance 3-pole molded case circuit breaker with a rotary mechanism (3VL9400-3HE01), designed for industrial and commercial electrical systems. Rated at 400A and 690V AC, it provides reliable... MSRP: Now: $400.00 Add to Cart Compare Siemens | sku: IS.07252024.03 Siemens HJX3P400F 3VL4140-2GE33-0AA0 Circuit Breaker | 400A | 3-Pole | 690V AC | Thermal Magnetic | Molded Case The Siemens HJX3P400F (MLFB: 3VL4140-2GE33-0AA0) is a 3-pole thermal magnetic molded case circuit breaker rated at 400A and 690V AC, designed for industrial and commercial electrical systems. Providing reliable protection against overloads, short... MSRP: Now: $400.00 Add to Cart Compare Siemens | sku: JXD22B400-UA-YAG Siemens JXD22B400 Circuit Breaker - 400A 2-Pole 600V Type JXD2 Molded Case 65kA @ 240V The Siemens JXD22B400 is a heavy-duty 2-pole molded case circuit breaker (MCCB) rated for 400 amps and up to 600V AC. This Type JXD2 breaker features a high interrupting capacity of 65kA at 240V, making it ideal for use in demanding industrial and... MSRP: Now: $100.00 Add to Cart Compare Siemens | sku: JXD63B250-UA-YAG Siemens JXD63B250 Breaker | 250A Frame, 400A Trip Unit | 3-Pole 600V | 65kA Interrupt | Bolt-On MCCB The Siemens JXD63B250 is a heavy-duty molded case circuit breaker from the JXD6 Series, designed for demanding power distribution environments. This unit features a 250A frame size with a 400A trip unit, providing high-performance protection at 600V AC... MSRP: Now: $400.00 Add to Cart Compare Square D | sku: IS.05272025.01 Square D LA36400 Circuit Breaker | 400A | 3-Pole | 600V AC | 22kA | I-Line Thermal Magnetic | Crack & Chipped The Square D LA36400 is a 3-pole I-Line thermal magnetic circuit breaker rated at 400A and 600V AC, providing reliable protection against overloads and short circuits with a breaking capacity of 22kA. This breaker is ideal for industrial and commercial... MSRP: Now: $175.00 Add to Cart Compare Square D | sku: IS.05062024.28 Square D LJL36400U43X Circuit Breaker | 400A 3P 600V | 65kA | LJL Frame | Adjustable Trip | Micrologic 5.0 | UL Listed | Molded Case The Square D LJL36400U43X is a premium molded case circuit breaker (MCCB) from Schneider Electric’s PowerPact L-Frame (LJL) series, designed for demanding industrial and commercial applications. This 3-pole, 400A breaker supports up to 600V AC and... MSRP: Now: $500.00 Add to Cart Compare Square D | sku: DH.10072025.01 Square D MEC836LI1212 Circuit Breaker | 800A Frame | 400A Trip | 3-Pole | 600V AC | ME8400RP + Aux Switch The Square D MEC836LI1212 molded case circuit breaker provides reliable protection for heavy-duty electrical systems. Built with an 800A frame and equipped with the ME8400RP trip unit, this breaker is configured for a 400A trip rating to suit specific... MSRP: Now: $450.00 Add to Cart Compare Compare Selected × OK
Eaton | sku: IS.10072024.02 Eaton LDC3400T52VWA0601H09 Molded Case Circuit Breaker – 400A, 3 Pole, 600V AC, 200kA, L-Frame, Trip Unit and Auxiliary Included MSRP: Now: $8,200.00 Add to Cart Compare Eaton | sku: IS.11132024.38 Eaton LGU3630NN Circuit Breaker | 630A | 3-Pole | 600V AC | 65kAIC | Series G LG-Frame | Thermal Magnetic | W/LT340036 Trip Unit MSRP: Now: $3,750.00 Add to Cart Compare General Electric | sku: TJK436F000-UA-YAG General Electric TJK436F000 Breaker | 400A | 600V | 3-Pole | 3-Phase | 22kA | Thermal-Magnetic MSRP: Now: $325.00 Add to Cart Compare Siemens | sku: IS.07252024.02 Siemens HJX3P400 Circuit Breaker 400A 480V 3P with Trip Unit MSRP: Now: $400.00 Add to Cart Compare Siemens | sku: IS.07252024.03 Siemens HJX3P400F 3VL4140-2GE33-0AA0 Circuit Breaker | 400A | 3-Pole | 690V AC | Thermal Magnetic | Molded Case MSRP: Now: $400.00 Add to Cart Compare Siemens | sku: JXD22B400-UA-YAG Siemens JXD22B400 Circuit Breaker - 400A 2-Pole 600V Type JXD2 Molded Case 65kA @ 240V MSRP: Now: $100.00 Add to Cart Compare Siemens | sku: JXD63B250-UA-YAG Siemens JXD63B250 Breaker | 250A Frame, 400A Trip Unit | 3-Pole 600V | 65kA Interrupt | Bolt-On MCCB MSRP: Now: $400.00 Add to Cart Compare Square D | sku: IS.05272025.01 Square D LA36400 Circuit Breaker | 400A | 3-Pole | 600V AC | 22kA | I-Line Thermal Magnetic | Crack & Chipped MSRP: Now: $175.00 Add to Cart Compare Square D | sku: IS.05062024.28 Square D LJL36400U43X Circuit Breaker | 400A 3P 600V | 65kA | LJL Frame | Adjustable Trip | Micrologic 5.0 | UL Listed | Molded Case MSRP: Now: $500.00 Add to Cart Compare Square D | sku: DH.10072025.01 Square D MEC836LI1212 Circuit Breaker | 800A Frame | 400A Trip | 3-Pole | 600V AC | ME8400RP + Aux Switch MSRP: Now: $450.00 Add to Cart Compare ABB | sku: IS.06052025.01 ABB S5N Circuit Breaker | 400A | 3-Pole | 600V AC | 22kA | Bolt-On | Thermal Magnetic The ABB S5N Circuit Breaker is designed for dependable protection and control of electrical systems in commercial and industrial applications. Featuring a 400A current rating, 3-pole configuration, and 600V AC operating voltage, this breaker ensures... MSRP: Now: $140.00 Add to Cart Compare ABB | sku: IS.07242025.09 ABB XT5SU340ABYN000XXX MCCB – XT5 Series Molded Case Circuit Breaker, 3 Pole, 400A, UL/IEC Certified The ABB XT5SU340ABYN000XXX is a high-performance 3-pole molded case circuit breaker (MCCB) from ABB’s advanced XT5 series. Rated for 400A, this breaker offers reliable protection for power distribution systems in commercial and industrial... MSRP: Now: $1,375.00 Add to Cart Compare Cutler Hammer | sku: IS.10072024.01 Cutler-Hammer LDC3400T52VWA0601H09 Circuit Breaker – 400A, 3 Pole, 600V AC, OPTIM 550, Naval Label The Cutler-Hammer LDC3400T52VWA0601H09 by Eaton is a heavy-duty, L-frame molded case circuit breaker designed for marine and industrial-grade power systems. Rated at 400 amps, 600V AC, and 3 poles, this unit includes a precision OPTIM 550 electronic trip... MSRP: Now: $4,900.00 Add to Cart Compare Eaton | sku: HKD3225-UA-EPS EATON HKD 3400F 400A 3P 600V Breaker w/ KT3225T Trip The Eaton HKD3400F is a heavy-duty molded case circuit breaker (MCCB) built for industrial and commercial applications. This 3-pole breaker is rated for 400A and supports up to 600V AC operation, with a 35kA interrupting capacity at 600V for high... MSRP: Now: $1,200.00 Add to Cart Compare Eaton | sku: IS.11132024.23 Eaton KDC3400F Breaker 400A 600V 3-Pole w/ KT3150T 150A Thermal Magnetic Trip The Eaton KDC3400F Circuit Breaker is a high-capacity solution for industrial and commercial electrical systems. Rated at 400A, 600V, 3-pole, and paired with a KT3150T 150A thermal magnetic trip, this breaker provides superior short-circuit and overload... MSRP: Now: $1,850.00 Add to Cart Compare Eaton | sku: IS.10072024.02 Eaton LDC3400T52VWA0601H09 Molded Case Circuit Breaker – 400A, 3 Pole, 600V AC, 200kA, L-Frame, Trip Unit and Auxiliary Included The Eaton LDC3400T52VWA0601H09 is a 400-amp, 3-pole molded case circuit breaker from Eaton’s reliable L-Frame series, rated for 600V AC and equipped with an advanced VWA electronic trip unit. This unit features a naval label, indicating it meets... MSRP: Now: $8,200.00 Add to Cart Compare Eaton | sku: IS.11132024.38 Eaton LGU3630NN Circuit Breaker | 630A | 3-Pole | 600V AC | 65kAIC | Series G LG-Frame | Thermal Magnetic | W/LT340036 Trip Unit The Eaton LGU3630NN is a Series G LG-frame molded case circuit breaker designed for heavy-duty industrial and commercial applications. Rated at 630A, 3-pole, 600V AC, with a breaking capacity of 65kAIC at 600V AC, this breaker provides reliable... MSRP: Now: $3,750.00 Add to Cart Compare General Electric | sku: TJK436F000-UA-YAG General Electric TJK436F000 Breaker | 400A | 600V | 3-Pole | 3-Phase | 22kA | Thermal-Magnetic General Electric TJK436F000 Breaker | 400A | 600V | 3-Pole | 3-Phase | 22kA | Thermal-Magnetic Description:The General Electric TJK436F000 is a high-capacity 3-pole, 3-phase thermal-magnetic molded case circuit breaker designed for industrial and... MSRP: Now: $325.00 Add to Cart Compare Siemens | sku: IS.07252024.02 Siemens HJX3P400 Circuit Breaker 400A 480V 3P with Trip Unit The Siemens HJX3P400 (MLFB 3VL4140-2GE30-0AA0) is a high-performance 3-pole molded case circuit breaker with a rotary mechanism (3VL9400-3HE01), designed for industrial and commercial electrical systems. Rated at 400A and 690V AC, it provides reliable... MSRP: Now: $400.00 Add to Cart Compare Siemens | sku: IS.07252024.03 Siemens HJX3P400F 3VL4140-2GE33-0AA0 Circuit Breaker | 400A | 3-Pole | 690V AC | Thermal Magnetic | Molded Case The Siemens HJX3P400F (MLFB: 3VL4140-2GE33-0AA0) is a 3-pole thermal magnetic molded case circuit breaker rated at 400A and 690V AC, designed for industrial and commercial electrical systems. Providing reliable protection against overloads, short... MSRP: Now: $400.00 Add to Cart Compare Siemens | sku: JXD22B400-UA-YAG Siemens JXD22B400 Circuit Breaker - 400A 2-Pole 600V Type JXD2 Molded Case 65kA @ 240V The Siemens JXD22B400 is a heavy-duty 2-pole molded case circuit breaker (MCCB) rated for 400 amps and up to 600V AC. This Type JXD2 breaker features a high interrupting capacity of 65kA at 240V, making it ideal for use in demanding industrial and... MSRP: Now: $100.00 Add to Cart Compare Siemens | sku: JXD63B250-UA-YAG Siemens JXD63B250 Breaker | 250A Frame, 400A Trip Unit | 3-Pole 600V | 65kA Interrupt | Bolt-On MCCB The Siemens JXD63B250 is a heavy-duty molded case circuit breaker from the JXD6 Series, designed for demanding power distribution environments. This unit features a 250A frame size with a 400A trip unit, providing high-performance protection at 600V AC... MSRP: Now: $400.00 Add to Cart Compare Square D | sku: IS.05272025.01 Square D LA36400 Circuit Breaker | 400A | 3-Pole | 600V AC | 22kA | I-Line Thermal Magnetic | Crack & Chipped The Square D LA36400 is a 3-pole I-Line thermal magnetic circuit breaker rated at 400A and 600V AC, providing reliable protection against overloads and short circuits with a breaking capacity of 22kA. This breaker is ideal for industrial and commercial... MSRP: Now: $175.00 Add to Cart Compare Square D | sku: IS.05062024.28 Square D LJL36400U43X Circuit Breaker | 400A 3P 600V | 65kA | LJL Frame | Adjustable Trip | Micrologic 5.0 | UL Listed | Molded Case The Square D LJL36400U43X is a premium molded case circuit breaker (MCCB) from Schneider Electric’s PowerPact L-Frame (LJL) series, designed for demanding industrial and commercial applications. This 3-pole, 400A breaker supports up to 600V AC and... MSRP: Now: $500.00 Add to Cart Compare Square D | sku: DH.10072025.01 Square D MEC836LI1212 Circuit Breaker | 800A Frame | 400A Trip | 3-Pole | 600V AC | ME8400RP + Aux Switch The Square D MEC836LI1212 molded case circuit breaker provides reliable protection for heavy-duty electrical systems. Built with an 800A frame and equipped with the ME8400RP trip unit, this breaker is configured for a 400A trip rating to suit specific... MSRP: Now: $450.00 Add to Cart Compare Compare Selected × OK
Eaton | sku: IS.11132024.38 Eaton LGU3630NN Circuit Breaker | 630A | 3-Pole | 600V AC | 65kAIC | Series G LG-Frame | Thermal Magnetic | W/LT340036 Trip Unit MSRP: Now: $3,750.00 Add to Cart Compare General Electric | sku: TJK436F000-UA-YAG General Electric TJK436F000 Breaker | 400A | 600V | 3-Pole | 3-Phase | 22kA | Thermal-Magnetic MSRP: Now: $325.00 Add to Cart Compare Siemens | sku: IS.07252024.02 Siemens HJX3P400 Circuit Breaker 400A 480V 3P with Trip Unit MSRP: Now: $400.00 Add to Cart Compare Siemens | sku: IS.07252024.03 Siemens HJX3P400F 3VL4140-2GE33-0AA0 Circuit Breaker | 400A | 3-Pole | 690V AC | Thermal Magnetic | Molded Case MSRP: Now: $400.00 Add to Cart Compare Siemens | sku: JXD22B400-UA-YAG Siemens JXD22B400 Circuit Breaker - 400A 2-Pole 600V Type JXD2 Molded Case 65kA @ 240V MSRP: Now: $100.00 Add to Cart Compare Siemens | sku: JXD63B250-UA-YAG Siemens JXD63B250 Breaker | 250A Frame, 400A Trip Unit | 3-Pole 600V | 65kA Interrupt | Bolt-On MCCB MSRP: Now: $400.00 Add to Cart Compare Square D | sku: IS.05272025.01 Square D LA36400 Circuit Breaker | 400A | 3-Pole | 600V AC | 22kA | I-Line Thermal Magnetic | Crack & Chipped MSRP: Now: $175.00 Add to Cart Compare Square D | sku: IS.05062024.28 Square D LJL36400U43X Circuit Breaker | 400A 3P 600V | 65kA | LJL Frame | Adjustable Trip | Micrologic 5.0 | UL Listed | Molded Case MSRP: Now: $500.00 Add to Cart Compare Square D | sku: DH.10072025.01 Square D MEC836LI1212 Circuit Breaker | 800A Frame | 400A Trip | 3-Pole | 600V AC | ME8400RP + Aux Switch MSRP: Now: $450.00 Add to Cart Compare ABB | sku: IS.06052025.01 ABB S5N Circuit Breaker | 400A | 3-Pole | 600V AC | 22kA | Bolt-On | Thermal Magnetic The ABB S5N Circuit Breaker is designed for dependable protection and control of electrical systems in commercial and industrial applications. Featuring a 400A current rating, 3-pole configuration, and 600V AC operating voltage, this breaker ensures... MSRP: Now: $140.00 Add to Cart Compare ABB | sku: IS.07242025.09 ABB XT5SU340ABYN000XXX MCCB – XT5 Series Molded Case Circuit Breaker, 3 Pole, 400A, UL/IEC Certified The ABB XT5SU340ABYN000XXX is a high-performance 3-pole molded case circuit breaker (MCCB) from ABB’s advanced XT5 series. Rated for 400A, this breaker offers reliable protection for power distribution systems in commercial and industrial... MSRP: Now: $1,375.00 Add to Cart Compare Cutler Hammer | sku: IS.10072024.01 Cutler-Hammer LDC3400T52VWA0601H09 Circuit Breaker – 400A, 3 Pole, 600V AC, OPTIM 550, Naval Label The Cutler-Hammer LDC3400T52VWA0601H09 by Eaton is a heavy-duty, L-frame molded case circuit breaker designed for marine and industrial-grade power systems. Rated at 400 amps, 600V AC, and 3 poles, this unit includes a precision OPTIM 550 electronic trip... MSRP: Now: $4,900.00 Add to Cart Compare Eaton | sku: HKD3225-UA-EPS EATON HKD 3400F 400A 3P 600V Breaker w/ KT3225T Trip The Eaton HKD3400F is a heavy-duty molded case circuit breaker (MCCB) built for industrial and commercial applications. This 3-pole breaker is rated for 400A and supports up to 600V AC operation, with a 35kA interrupting capacity at 600V for high... MSRP: Now: $1,200.00 Add to Cart Compare Eaton | sku: IS.11132024.23 Eaton KDC3400F Breaker 400A 600V 3-Pole w/ KT3150T 150A Thermal Magnetic Trip The Eaton KDC3400F Circuit Breaker is a high-capacity solution for industrial and commercial electrical systems. Rated at 400A, 600V, 3-pole, and paired with a KT3150T 150A thermal magnetic trip, this breaker provides superior short-circuit and overload... MSRP: Now: $1,850.00 Add to Cart Compare Eaton | sku: IS.10072024.02 Eaton LDC3400T52VWA0601H09 Molded Case Circuit Breaker – 400A, 3 Pole, 600V AC, 200kA, L-Frame, Trip Unit and Auxiliary Included The Eaton LDC3400T52VWA0601H09 is a 400-amp, 3-pole molded case circuit breaker from Eaton’s reliable L-Frame series, rated for 600V AC and equipped with an advanced VWA electronic trip unit. This unit features a naval label, indicating it meets... MSRP: Now: $8,200.00 Add to Cart Compare Eaton | sku: IS.11132024.38 Eaton LGU3630NN Circuit Breaker | 630A | 3-Pole | 600V AC | 65kAIC | Series G LG-Frame | Thermal Magnetic | W/LT340036 Trip Unit The Eaton LGU3630NN is a Series G LG-frame molded case circuit breaker designed for heavy-duty industrial and commercial applications. Rated at 630A, 3-pole, 600V AC, with a breaking capacity of 65kAIC at 600V AC, this breaker provides reliable... MSRP: Now: $3,750.00 Add to Cart Compare General Electric | sku: TJK436F000-UA-YAG General Electric TJK436F000 Breaker | 400A | 600V | 3-Pole | 3-Phase | 22kA | Thermal-Magnetic General Electric TJK436F000 Breaker | 400A | 600V | 3-Pole | 3-Phase | 22kA | Thermal-Magnetic Description:The General Electric TJK436F000 is a high-capacity 3-pole, 3-phase thermal-magnetic molded case circuit breaker designed for industrial and... MSRP: Now: $325.00 Add to Cart Compare Siemens | sku: IS.07252024.02 Siemens HJX3P400 Circuit Breaker 400A 480V 3P with Trip Unit The Siemens HJX3P400 (MLFB 3VL4140-2GE30-0AA0) is a high-performance 3-pole molded case circuit breaker with a rotary mechanism (3VL9400-3HE01), designed for industrial and commercial electrical systems. Rated at 400A and 690V AC, it provides reliable... MSRP: Now: $400.00 Add to Cart Compare Siemens | sku: IS.07252024.03 Siemens HJX3P400F 3VL4140-2GE33-0AA0 Circuit Breaker | 400A | 3-Pole | 690V AC | Thermal Magnetic | Molded Case The Siemens HJX3P400F (MLFB: 3VL4140-2GE33-0AA0) is a 3-pole thermal magnetic molded case circuit breaker rated at 400A and 690V AC, designed for industrial and commercial electrical systems. Providing reliable protection against overloads, short... MSRP: Now: $400.00 Add to Cart Compare Siemens | sku: JXD22B400-UA-YAG Siemens JXD22B400 Circuit Breaker - 400A 2-Pole 600V Type JXD2 Molded Case 65kA @ 240V The Siemens JXD22B400 is a heavy-duty 2-pole molded case circuit breaker (MCCB) rated for 400 amps and up to 600V AC. This Type JXD2 breaker features a high interrupting capacity of 65kA at 240V, making it ideal for use in demanding industrial and... MSRP: Now: $100.00 Add to Cart Compare Siemens | sku: JXD63B250-UA-YAG Siemens JXD63B250 Breaker | 250A Frame, 400A Trip Unit | 3-Pole 600V | 65kA Interrupt | Bolt-On MCCB The Siemens JXD63B250 is a heavy-duty molded case circuit breaker from the JXD6 Series, designed for demanding power distribution environments. This unit features a 250A frame size with a 400A trip unit, providing high-performance protection at 600V AC... MSRP: Now: $400.00 Add to Cart Compare Square D | sku: IS.05272025.01 Square D LA36400 Circuit Breaker | 400A | 3-Pole | 600V AC | 22kA | I-Line Thermal Magnetic | Crack & Chipped The Square D LA36400 is a 3-pole I-Line thermal magnetic circuit breaker rated at 400A and 600V AC, providing reliable protection against overloads and short circuits with a breaking capacity of 22kA. This breaker is ideal for industrial and commercial... MSRP: Now: $175.00 Add to Cart Compare Square D | sku: IS.05062024.28 Square D LJL36400U43X Circuit Breaker | 400A 3P 600V | 65kA | LJL Frame | Adjustable Trip | Micrologic 5.0 | UL Listed | Molded Case The Square D LJL36400U43X is a premium molded case circuit breaker (MCCB) from Schneider Electric’s PowerPact L-Frame (LJL) series, designed for demanding industrial and commercial applications. This 3-pole, 400A breaker supports up to 600V AC and... MSRP: Now: $500.00 Add to Cart Compare Square D | sku: DH.10072025.01 Square D MEC836LI1212 Circuit Breaker | 800A Frame | 400A Trip | 3-Pole | 600V AC | ME8400RP + Aux Switch The Square D MEC836LI1212 molded case circuit breaker provides reliable protection for heavy-duty electrical systems. Built with an 800A frame and equipped with the ME8400RP trip unit, this breaker is configured for a 400A trip rating to suit specific... MSRP: Now: $450.00 Add to Cart Compare Compare Selected × OK
General Electric | sku: TJK436F000-UA-YAG General Electric TJK436F000 Breaker | 400A | 600V | 3-Pole | 3-Phase | 22kA | Thermal-Magnetic MSRP: Now: $325.00 Add to Cart Compare Siemens | sku: IS.07252024.02 Siemens HJX3P400 Circuit Breaker 400A 480V 3P with Trip Unit MSRP: Now: $400.00 Add to Cart Compare Siemens | sku: IS.07252024.03 Siemens HJX3P400F 3VL4140-2GE33-0AA0 Circuit Breaker | 400A | 3-Pole | 690V AC | Thermal Magnetic | Molded Case MSRP: Now: $400.00 Add to Cart Compare Siemens | sku: JXD22B400-UA-YAG Siemens JXD22B400 Circuit Breaker - 400A 2-Pole 600V Type JXD2 Molded Case 65kA @ 240V MSRP: Now: $100.00 Add to Cart Compare Siemens | sku: JXD63B250-UA-YAG Siemens JXD63B250 Breaker | 250A Frame, 400A Trip Unit | 3-Pole 600V | 65kA Interrupt | Bolt-On MCCB MSRP: Now: $400.00 Add to Cart Compare Square D | sku: IS.05272025.01 Square D LA36400 Circuit Breaker | 400A | 3-Pole | 600V AC | 22kA | I-Line Thermal Magnetic | Crack & Chipped MSRP: Now: $175.00 Add to Cart Compare Square D | sku: IS.05062024.28 Square D LJL36400U43X Circuit Breaker | 400A 3P 600V | 65kA | LJL Frame | Adjustable Trip | Micrologic 5.0 | UL Listed | Molded Case MSRP: Now: $500.00 Add to Cart Compare Square D | sku: DH.10072025.01 Square D MEC836LI1212 Circuit Breaker | 800A Frame | 400A Trip | 3-Pole | 600V AC | ME8400RP + Aux Switch MSRP: Now: $450.00 Add to Cart Compare ABB | sku: IS.06052025.01 ABB S5N Circuit Breaker | 400A | 3-Pole | 600V AC | 22kA | Bolt-On | Thermal Magnetic The ABB S5N Circuit Breaker is designed for dependable protection and control of electrical systems in commercial and industrial applications. Featuring a 400A current rating, 3-pole configuration, and 600V AC operating voltage, this breaker ensures... MSRP: Now: $140.00 Add to Cart Compare ABB | sku: IS.07242025.09 ABB XT5SU340ABYN000XXX MCCB – XT5 Series Molded Case Circuit Breaker, 3 Pole, 400A, UL/IEC Certified The ABB XT5SU340ABYN000XXX is a high-performance 3-pole molded case circuit breaker (MCCB) from ABB’s advanced XT5 series. Rated for 400A, this breaker offers reliable protection for power distribution systems in commercial and industrial... MSRP: Now: $1,375.00 Add to Cart Compare Cutler Hammer | sku: IS.10072024.01 Cutler-Hammer LDC3400T52VWA0601H09 Circuit Breaker – 400A, 3 Pole, 600V AC, OPTIM 550, Naval Label The Cutler-Hammer LDC3400T52VWA0601H09 by Eaton is a heavy-duty, L-frame molded case circuit breaker designed for marine and industrial-grade power systems. Rated at 400 amps, 600V AC, and 3 poles, this unit includes a precision OPTIM 550 electronic trip... MSRP: Now: $4,900.00 Add to Cart Compare Eaton | sku: HKD3225-UA-EPS EATON HKD 3400F 400A 3P 600V Breaker w/ KT3225T Trip The Eaton HKD3400F is a heavy-duty molded case circuit breaker (MCCB) built for industrial and commercial applications. This 3-pole breaker is rated for 400A and supports up to 600V AC operation, with a 35kA interrupting capacity at 600V for high... MSRP: Now: $1,200.00 Add to Cart Compare Eaton | sku: IS.11132024.23 Eaton KDC3400F Breaker 400A 600V 3-Pole w/ KT3150T 150A Thermal Magnetic Trip The Eaton KDC3400F Circuit Breaker is a high-capacity solution for industrial and commercial electrical systems. Rated at 400A, 600V, 3-pole, and paired with a KT3150T 150A thermal magnetic trip, this breaker provides superior short-circuit and overload... MSRP: Now: $1,850.00 Add to Cart Compare Eaton | sku: IS.10072024.02 Eaton LDC3400T52VWA0601H09 Molded Case Circuit Breaker – 400A, 3 Pole, 600V AC, 200kA, L-Frame, Trip Unit and Auxiliary Included The Eaton LDC3400T52VWA0601H09 is a 400-amp, 3-pole molded case circuit breaker from Eaton’s reliable L-Frame series, rated for 600V AC and equipped with an advanced VWA electronic trip unit. This unit features a naval label, indicating it meets... MSRP: Now: $8,200.00 Add to Cart Compare Eaton | sku: IS.11132024.38 Eaton LGU3630NN Circuit Breaker | 630A | 3-Pole | 600V AC | 65kAIC | Series G LG-Frame | Thermal Magnetic | W/LT340036 Trip Unit The Eaton LGU3630NN is a Series G LG-frame molded case circuit breaker designed for heavy-duty industrial and commercial applications. Rated at 630A, 3-pole, 600V AC, with a breaking capacity of 65kAIC at 600V AC, this breaker provides reliable... MSRP: Now: $3,750.00 Add to Cart Compare General Electric | sku: TJK436F000-UA-YAG General Electric TJK436F000 Breaker | 400A | 600V | 3-Pole | 3-Phase | 22kA | Thermal-Magnetic General Electric TJK436F000 Breaker | 400A | 600V | 3-Pole | 3-Phase | 22kA | Thermal-Magnetic Description:The General Electric TJK436F000 is a high-capacity 3-pole, 3-phase thermal-magnetic molded case circuit breaker designed for industrial and... MSRP: Now: $325.00 Add to Cart Compare Siemens | sku: IS.07252024.02 Siemens HJX3P400 Circuit Breaker 400A 480V 3P with Trip Unit The Siemens HJX3P400 (MLFB 3VL4140-2GE30-0AA0) is a high-performance 3-pole molded case circuit breaker with a rotary mechanism (3VL9400-3HE01), designed for industrial and commercial electrical systems. Rated at 400A and 690V AC, it provides reliable... MSRP: Now: $400.00 Add to Cart Compare Siemens | sku: IS.07252024.03 Siemens HJX3P400F 3VL4140-2GE33-0AA0 Circuit Breaker | 400A | 3-Pole | 690V AC | Thermal Magnetic | Molded Case The Siemens HJX3P400F (MLFB: 3VL4140-2GE33-0AA0) is a 3-pole thermal magnetic molded case circuit breaker rated at 400A and 690V AC, designed for industrial and commercial electrical systems. Providing reliable protection against overloads, short... MSRP: Now: $400.00 Add to Cart Compare Siemens | sku: JXD22B400-UA-YAG Siemens JXD22B400 Circuit Breaker - 400A 2-Pole 600V Type JXD2 Molded Case 65kA @ 240V The Siemens JXD22B400 is a heavy-duty 2-pole molded case circuit breaker (MCCB) rated for 400 amps and up to 600V AC. This Type JXD2 breaker features a high interrupting capacity of 65kA at 240V, making it ideal for use in demanding industrial and... MSRP: Now: $100.00 Add to Cart Compare Siemens | sku: JXD63B250-UA-YAG Siemens JXD63B250 Breaker | 250A Frame, 400A Trip Unit | 3-Pole 600V | 65kA Interrupt | Bolt-On MCCB The Siemens JXD63B250 is a heavy-duty molded case circuit breaker from the JXD6 Series, designed for demanding power distribution environments. This unit features a 250A frame size with a 400A trip unit, providing high-performance protection at 600V AC... MSRP: Now: $400.00 Add to Cart Compare Square D | sku: IS.05272025.01 Square D LA36400 Circuit Breaker | 400A | 3-Pole | 600V AC | 22kA | I-Line Thermal Magnetic | Crack & Chipped The Square D LA36400 is a 3-pole I-Line thermal magnetic circuit breaker rated at 400A and 600V AC, providing reliable protection against overloads and short circuits with a breaking capacity of 22kA. This breaker is ideal for industrial and commercial... MSRP: Now: $175.00 Add to Cart Compare Square D | sku: IS.05062024.28 Square D LJL36400U43X Circuit Breaker | 400A 3P 600V | 65kA | LJL Frame | Adjustable Trip | Micrologic 5.0 | UL Listed | Molded Case The Square D LJL36400U43X is a premium molded case circuit breaker (MCCB) from Schneider Electric’s PowerPact L-Frame (LJL) series, designed for demanding industrial and commercial applications. This 3-pole, 400A breaker supports up to 600V AC and... MSRP: Now: $500.00 Add to Cart Compare Square D | sku: DH.10072025.01 Square D MEC836LI1212 Circuit Breaker | 800A Frame | 400A Trip | 3-Pole | 600V AC | ME8400RP + Aux Switch The Square D MEC836LI1212 molded case circuit breaker provides reliable protection for heavy-duty electrical systems. Built with an 800A frame and equipped with the ME8400RP trip unit, this breaker is configured for a 400A trip rating to suit specific... MSRP: Now: $450.00 Add to Cart Compare Compare Selected × OK
Siemens | sku: IS.07252024.02 Siemens HJX3P400 Circuit Breaker 400A 480V 3P with Trip Unit MSRP: Now: $400.00 Add to Cart Compare Siemens | sku: IS.07252024.03 Siemens HJX3P400F 3VL4140-2GE33-0AA0 Circuit Breaker | 400A | 3-Pole | 690V AC | Thermal Magnetic | Molded Case MSRP: Now: $400.00 Add to Cart Compare Siemens | sku: JXD22B400-UA-YAG Siemens JXD22B400 Circuit Breaker - 400A 2-Pole 600V Type JXD2 Molded Case 65kA @ 240V MSRP: Now: $100.00 Add to Cart Compare Siemens | sku: JXD63B250-UA-YAG Siemens JXD63B250 Breaker | 250A Frame, 400A Trip Unit | 3-Pole 600V | 65kA Interrupt | Bolt-On MCCB MSRP: Now: $400.00 Add to Cart Compare Square D | sku: IS.05272025.01 Square D LA36400 Circuit Breaker | 400A | 3-Pole | 600V AC | 22kA | I-Line Thermal Magnetic | Crack & Chipped MSRP: Now: $175.00 Add to Cart Compare Square D | sku: IS.05062024.28 Square D LJL36400U43X Circuit Breaker | 400A 3P 600V | 65kA | LJL Frame | Adjustable Trip | Micrologic 5.0 | UL Listed | Molded Case MSRP: Now: $500.00 Add to Cart Compare Square D | sku: DH.10072025.01 Square D MEC836LI1212 Circuit Breaker | 800A Frame | 400A Trip | 3-Pole | 600V AC | ME8400RP + Aux Switch MSRP: Now: $450.00 Add to Cart Compare ABB | sku: IS.06052025.01 ABB S5N Circuit Breaker | 400A | 3-Pole | 600V AC | 22kA | Bolt-On | Thermal Magnetic The ABB S5N Circuit Breaker is designed for dependable protection and control of electrical systems in commercial and industrial applications. Featuring a 400A current rating, 3-pole configuration, and 600V AC operating voltage, this breaker ensures... MSRP: Now: $140.00 Add to Cart Compare ABB | sku: IS.07242025.09 ABB XT5SU340ABYN000XXX MCCB – XT5 Series Molded Case Circuit Breaker, 3 Pole, 400A, UL/IEC Certified The ABB XT5SU340ABYN000XXX is a high-performance 3-pole molded case circuit breaker (MCCB) from ABB’s advanced XT5 series. Rated for 400A, this breaker offers reliable protection for power distribution systems in commercial and industrial... MSRP: Now: $1,375.00 Add to Cart Compare Cutler Hammer | sku: IS.10072024.01 Cutler-Hammer LDC3400T52VWA0601H09 Circuit Breaker – 400A, 3 Pole, 600V AC, OPTIM 550, Naval Label The Cutler-Hammer LDC3400T52VWA0601H09 by Eaton is a heavy-duty, L-frame molded case circuit breaker designed for marine and industrial-grade power systems. Rated at 400 amps, 600V AC, and 3 poles, this unit includes a precision OPTIM 550 electronic trip... MSRP: Now: $4,900.00 Add to Cart Compare Eaton | sku: HKD3225-UA-EPS EATON HKD 3400F 400A 3P 600V Breaker w/ KT3225T Trip The Eaton HKD3400F is a heavy-duty molded case circuit breaker (MCCB) built for industrial and commercial applications. This 3-pole breaker is rated for 400A and supports up to 600V AC operation, with a 35kA interrupting capacity at 600V for high... MSRP: Now: $1,200.00 Add to Cart Compare Eaton | sku: IS.11132024.23 Eaton KDC3400F Breaker 400A 600V 3-Pole w/ KT3150T 150A Thermal Magnetic Trip The Eaton KDC3400F Circuit Breaker is a high-capacity solution for industrial and commercial electrical systems. Rated at 400A, 600V, 3-pole, and paired with a KT3150T 150A thermal magnetic trip, this breaker provides superior short-circuit and overload... MSRP: Now: $1,850.00 Add to Cart Compare Eaton | sku: IS.10072024.02 Eaton LDC3400T52VWA0601H09 Molded Case Circuit Breaker – 400A, 3 Pole, 600V AC, 200kA, L-Frame, Trip Unit and Auxiliary Included The Eaton LDC3400T52VWA0601H09 is a 400-amp, 3-pole molded case circuit breaker from Eaton’s reliable L-Frame series, rated for 600V AC and equipped with an advanced VWA electronic trip unit. This unit features a naval label, indicating it meets... MSRP: Now: $8,200.00 Add to Cart Compare Eaton | sku: IS.11132024.38 Eaton LGU3630NN Circuit Breaker | 630A | 3-Pole | 600V AC | 65kAIC | Series G LG-Frame | Thermal Magnetic | W/LT340036 Trip Unit The Eaton LGU3630NN is a Series G LG-frame molded case circuit breaker designed for heavy-duty industrial and commercial applications. Rated at 630A, 3-pole, 600V AC, with a breaking capacity of 65kAIC at 600V AC, this breaker provides reliable... MSRP: Now: $3,750.00 Add to Cart Compare General Electric | sku: TJK436F000-UA-YAG General Electric TJK436F000 Breaker | 400A | 600V | 3-Pole | 3-Phase | 22kA | Thermal-Magnetic General Electric TJK436F000 Breaker | 400A | 600V | 3-Pole | 3-Phase | 22kA | Thermal-Magnetic Description:The General Electric TJK436F000 is a high-capacity 3-pole, 3-phase thermal-magnetic molded case circuit breaker designed for industrial and... MSRP: Now: $325.00 Add to Cart Compare Siemens | sku: IS.07252024.02 Siemens HJX3P400 Circuit Breaker 400A 480V 3P with Trip Unit The Siemens HJX3P400 (MLFB 3VL4140-2GE30-0AA0) is a high-performance 3-pole molded case circuit breaker with a rotary mechanism (3VL9400-3HE01), designed for industrial and commercial electrical systems. Rated at 400A and 690V AC, it provides reliable... MSRP: Now: $400.00 Add to Cart Compare Siemens | sku: IS.07252024.03 Siemens HJX3P400F 3VL4140-2GE33-0AA0 Circuit Breaker | 400A | 3-Pole | 690V AC | Thermal Magnetic | Molded Case The Siemens HJX3P400F (MLFB: 3VL4140-2GE33-0AA0) is a 3-pole thermal magnetic molded case circuit breaker rated at 400A and 690V AC, designed for industrial and commercial electrical systems. Providing reliable protection against overloads, short... MSRP: Now: $400.00 Add to Cart Compare Siemens | sku: JXD22B400-UA-YAG Siemens JXD22B400 Circuit Breaker - 400A 2-Pole 600V Type JXD2 Molded Case 65kA @ 240V The Siemens JXD22B400 is a heavy-duty 2-pole molded case circuit breaker (MCCB) rated for 400 amps and up to 600V AC. This Type JXD2 breaker features a high interrupting capacity of 65kA at 240V, making it ideal for use in demanding industrial and... MSRP: Now: $100.00 Add to Cart Compare Siemens | sku: JXD63B250-UA-YAG Siemens JXD63B250 Breaker | 250A Frame, 400A Trip Unit | 3-Pole 600V | 65kA Interrupt | Bolt-On MCCB The Siemens JXD63B250 is a heavy-duty molded case circuit breaker from the JXD6 Series, designed for demanding power distribution environments. This unit features a 250A frame size with a 400A trip unit, providing high-performance protection at 600V AC... MSRP: Now: $400.00 Add to Cart Compare Square D | sku: IS.05272025.01 Square D LA36400 Circuit Breaker | 400A | 3-Pole | 600V AC | 22kA | I-Line Thermal Magnetic | Crack & Chipped The Square D LA36400 is a 3-pole I-Line thermal magnetic circuit breaker rated at 400A and 600V AC, providing reliable protection against overloads and short circuits with a breaking capacity of 22kA. This breaker is ideal for industrial and commercial... MSRP: Now: $175.00 Add to Cart Compare Square D | sku: IS.05062024.28 Square D LJL36400U43X Circuit Breaker | 400A 3P 600V | 65kA | LJL Frame | Adjustable Trip | Micrologic 5.0 | UL Listed | Molded Case The Square D LJL36400U43X is a premium molded case circuit breaker (MCCB) from Schneider Electric’s PowerPact L-Frame (LJL) series, designed for demanding industrial and commercial applications. This 3-pole, 400A breaker supports up to 600V AC and... MSRP: Now: $500.00 Add to Cart Compare Square D | sku: DH.10072025.01 Square D MEC836LI1212 Circuit Breaker | 800A Frame | 400A Trip | 3-Pole | 600V AC | ME8400RP + Aux Switch The Square D MEC836LI1212 molded case circuit breaker provides reliable protection for heavy-duty electrical systems. Built with an 800A frame and equipped with the ME8400RP trip unit, this breaker is configured for a 400A trip rating to suit specific... MSRP: Now: $450.00 Add to Cart Compare Compare Selected × OK
Siemens | sku: IS.07252024.03 Siemens HJX3P400F 3VL4140-2GE33-0AA0 Circuit Breaker | 400A | 3-Pole | 690V AC | Thermal Magnetic | Molded Case MSRP: Now: $400.00 Add to Cart Compare Siemens | sku: JXD22B400-UA-YAG Siemens JXD22B400 Circuit Breaker - 400A 2-Pole 600V Type JXD2 Molded Case 65kA @ 240V MSRP: Now: $100.00 Add to Cart Compare Siemens | sku: JXD63B250-UA-YAG Siemens JXD63B250 Breaker | 250A Frame, 400A Trip Unit | 3-Pole 600V | 65kA Interrupt | Bolt-On MCCB MSRP: Now: $400.00 Add to Cart Compare Square D | sku: IS.05272025.01 Square D LA36400 Circuit Breaker | 400A | 3-Pole | 600V AC | 22kA | I-Line Thermal Magnetic | Crack & Chipped MSRP: Now: $175.00 Add to Cart Compare Square D | sku: IS.05062024.28 Square D LJL36400U43X Circuit Breaker | 400A 3P 600V | 65kA | LJL Frame | Adjustable Trip | Micrologic 5.0 | UL Listed | Molded Case MSRP: Now: $500.00 Add to Cart Compare Square D | sku: DH.10072025.01 Square D MEC836LI1212 Circuit Breaker | 800A Frame | 400A Trip | 3-Pole | 600V AC | ME8400RP + Aux Switch MSRP: Now: $450.00 Add to Cart Compare ABB | sku: IS.06052025.01 ABB S5N Circuit Breaker | 400A | 3-Pole | 600V AC | 22kA | Bolt-On | Thermal Magnetic The ABB S5N Circuit Breaker is designed for dependable protection and control of electrical systems in commercial and industrial applications. Featuring a 400A current rating, 3-pole configuration, and 600V AC operating voltage, this breaker ensures... MSRP: Now: $140.00 Add to Cart Compare ABB | sku: IS.07242025.09 ABB XT5SU340ABYN000XXX MCCB – XT5 Series Molded Case Circuit Breaker, 3 Pole, 400A, UL/IEC Certified The ABB XT5SU340ABYN000XXX is a high-performance 3-pole molded case circuit breaker (MCCB) from ABB’s advanced XT5 series. Rated for 400A, this breaker offers reliable protection for power distribution systems in commercial and industrial... MSRP: Now: $1,375.00 Add to Cart Compare Cutler Hammer | sku: IS.10072024.01 Cutler-Hammer LDC3400T52VWA0601H09 Circuit Breaker – 400A, 3 Pole, 600V AC, OPTIM 550, Naval Label The Cutler-Hammer LDC3400T52VWA0601H09 by Eaton is a heavy-duty, L-frame molded case circuit breaker designed for marine and industrial-grade power systems. Rated at 400 amps, 600V AC, and 3 poles, this unit includes a precision OPTIM 550 electronic trip... MSRP: Now: $4,900.00 Add to Cart Compare Eaton | sku: HKD3225-UA-EPS EATON HKD 3400F 400A 3P 600V Breaker w/ KT3225T Trip The Eaton HKD3400F is a heavy-duty molded case circuit breaker (MCCB) built for industrial and commercial applications. This 3-pole breaker is rated for 400A and supports up to 600V AC operation, with a 35kA interrupting capacity at 600V for high... MSRP: Now: $1,200.00 Add to Cart Compare Eaton | sku: IS.11132024.23 Eaton KDC3400F Breaker 400A 600V 3-Pole w/ KT3150T 150A Thermal Magnetic Trip The Eaton KDC3400F Circuit Breaker is a high-capacity solution for industrial and commercial electrical systems. Rated at 400A, 600V, 3-pole, and paired with a KT3150T 150A thermal magnetic trip, this breaker provides superior short-circuit and overload... MSRP: Now: $1,850.00 Add to Cart Compare Eaton | sku: IS.10072024.02 Eaton LDC3400T52VWA0601H09 Molded Case Circuit Breaker – 400A, 3 Pole, 600V AC, 200kA, L-Frame, Trip Unit and Auxiliary Included The Eaton LDC3400T52VWA0601H09 is a 400-amp, 3-pole molded case circuit breaker from Eaton’s reliable L-Frame series, rated for 600V AC and equipped with an advanced VWA electronic trip unit. This unit features a naval label, indicating it meets... MSRP: Now: $8,200.00 Add to Cart Compare Eaton | sku: IS.11132024.38 Eaton LGU3630NN Circuit Breaker | 630A | 3-Pole | 600V AC | 65kAIC | Series G LG-Frame | Thermal Magnetic | W/LT340036 Trip Unit The Eaton LGU3630NN is a Series G LG-frame molded case circuit breaker designed for heavy-duty industrial and commercial applications. Rated at 630A, 3-pole, 600V AC, with a breaking capacity of 65kAIC at 600V AC, this breaker provides reliable... MSRP: Now: $3,750.00 Add to Cart Compare General Electric | sku: TJK436F000-UA-YAG General Electric TJK436F000 Breaker | 400A | 600V | 3-Pole | 3-Phase | 22kA | Thermal-Magnetic General Electric TJK436F000 Breaker | 400A | 600V | 3-Pole | 3-Phase | 22kA | Thermal-Magnetic Description:The General Electric TJK436F000 is a high-capacity 3-pole, 3-phase thermal-magnetic molded case circuit breaker designed for industrial and... MSRP: Now: $325.00 Add to Cart Compare Siemens | sku: IS.07252024.02 Siemens HJX3P400 Circuit Breaker 400A 480V 3P with Trip Unit The Siemens HJX3P400 (MLFB 3VL4140-2GE30-0AA0) is a high-performance 3-pole molded case circuit breaker with a rotary mechanism (3VL9400-3HE01), designed for industrial and commercial electrical systems. Rated at 400A and 690V AC, it provides reliable... MSRP: Now: $400.00 Add to Cart Compare Siemens | sku: IS.07252024.03 Siemens HJX3P400F 3VL4140-2GE33-0AA0 Circuit Breaker | 400A | 3-Pole | 690V AC | Thermal Magnetic | Molded Case The Siemens HJX3P400F (MLFB: 3VL4140-2GE33-0AA0) is a 3-pole thermal magnetic molded case circuit breaker rated at 400A and 690V AC, designed for industrial and commercial electrical systems. Providing reliable protection against overloads, short... MSRP: Now: $400.00 Add to Cart Compare Siemens | sku: JXD22B400-UA-YAG Siemens JXD22B400 Circuit Breaker - 400A 2-Pole 600V Type JXD2 Molded Case 65kA @ 240V The Siemens JXD22B400 is a heavy-duty 2-pole molded case circuit breaker (MCCB) rated for 400 amps and up to 600V AC. This Type JXD2 breaker features a high interrupting capacity of 65kA at 240V, making it ideal for use in demanding industrial and... MSRP: Now: $100.00 Add to Cart Compare Siemens | sku: JXD63B250-UA-YAG Siemens JXD63B250 Breaker | 250A Frame, 400A Trip Unit | 3-Pole 600V | 65kA Interrupt | Bolt-On MCCB The Siemens JXD63B250 is a heavy-duty molded case circuit breaker from the JXD6 Series, designed for demanding power distribution environments. This unit features a 250A frame size with a 400A trip unit, providing high-performance protection at 600V AC... MSRP: Now: $400.00 Add to Cart Compare Square D | sku: IS.05272025.01 Square D LA36400 Circuit Breaker | 400A | 3-Pole | 600V AC | 22kA | I-Line Thermal Magnetic | Crack & Chipped The Square D LA36400 is a 3-pole I-Line thermal magnetic circuit breaker rated at 400A and 600V AC, providing reliable protection against overloads and short circuits with a breaking capacity of 22kA. This breaker is ideal for industrial and commercial... MSRP: Now: $175.00 Add to Cart Compare Square D | sku: IS.05062024.28 Square D LJL36400U43X Circuit Breaker | 400A 3P 600V | 65kA | LJL Frame | Adjustable Trip | Micrologic 5.0 | UL Listed | Molded Case The Square D LJL36400U43X is a premium molded case circuit breaker (MCCB) from Schneider Electric’s PowerPact L-Frame (LJL) series, designed for demanding industrial and commercial applications. This 3-pole, 400A breaker supports up to 600V AC and... MSRP: Now: $500.00 Add to Cart Compare Square D | sku: DH.10072025.01 Square D MEC836LI1212 Circuit Breaker | 800A Frame | 400A Trip | 3-Pole | 600V AC | ME8400RP + Aux Switch The Square D MEC836LI1212 molded case circuit breaker provides reliable protection for heavy-duty electrical systems. Built with an 800A frame and equipped with the ME8400RP trip unit, this breaker is configured for a 400A trip rating to suit specific... MSRP: Now: $450.00 Add to Cart Compare Compare Selected × OK
Siemens | sku: JXD22B400-UA-YAG Siemens JXD22B400 Circuit Breaker - 400A 2-Pole 600V Type JXD2 Molded Case 65kA @ 240V MSRP: Now: $100.00 Add to Cart Compare Siemens | sku: JXD63B250-UA-YAG Siemens JXD63B250 Breaker | 250A Frame, 400A Trip Unit | 3-Pole 600V | 65kA Interrupt | Bolt-On MCCB MSRP: Now: $400.00 Add to Cart Compare Square D | sku: IS.05272025.01 Square D LA36400 Circuit Breaker | 400A | 3-Pole | 600V AC | 22kA | I-Line Thermal Magnetic | Crack & Chipped MSRP: Now: $175.00 Add to Cart Compare Square D | sku: IS.05062024.28 Square D LJL36400U43X Circuit Breaker | 400A 3P 600V | 65kA | LJL Frame | Adjustable Trip | Micrologic 5.0 | UL Listed | Molded Case MSRP: Now: $500.00 Add to Cart Compare Square D | sku: DH.10072025.01 Square D MEC836LI1212 Circuit Breaker | 800A Frame | 400A Trip | 3-Pole | 600V AC | ME8400RP + Aux Switch MSRP: Now: $450.00 Add to Cart Compare ABB | sku: IS.06052025.01 ABB S5N Circuit Breaker | 400A | 3-Pole | 600V AC | 22kA | Bolt-On | Thermal Magnetic The ABB S5N Circuit Breaker is designed for dependable protection and control of electrical systems in commercial and industrial applications. Featuring a 400A current rating, 3-pole configuration, and 600V AC operating voltage, this breaker ensures... MSRP: Now: $140.00 Add to Cart Compare ABB | sku: IS.07242025.09 ABB XT5SU340ABYN000XXX MCCB – XT5 Series Molded Case Circuit Breaker, 3 Pole, 400A, UL/IEC Certified The ABB XT5SU340ABYN000XXX is a high-performance 3-pole molded case circuit breaker (MCCB) from ABB’s advanced XT5 series. Rated for 400A, this breaker offers reliable protection for power distribution systems in commercial and industrial... MSRP: Now: $1,375.00 Add to Cart Compare Cutler Hammer | sku: IS.10072024.01 Cutler-Hammer LDC3400T52VWA0601H09 Circuit Breaker – 400A, 3 Pole, 600V AC, OPTIM 550, Naval Label The Cutler-Hammer LDC3400T52VWA0601H09 by Eaton is a heavy-duty, L-frame molded case circuit breaker designed for marine and industrial-grade power systems. Rated at 400 amps, 600V AC, and 3 poles, this unit includes a precision OPTIM 550 electronic trip... MSRP: Now: $4,900.00 Add to Cart Compare Eaton | sku: HKD3225-UA-EPS EATON HKD 3400F 400A 3P 600V Breaker w/ KT3225T Trip The Eaton HKD3400F is a heavy-duty molded case circuit breaker (MCCB) built for industrial and commercial applications. This 3-pole breaker is rated for 400A and supports up to 600V AC operation, with a 35kA interrupting capacity at 600V for high... MSRP: Now: $1,200.00 Add to Cart Compare Eaton | sku: IS.11132024.23 Eaton KDC3400F Breaker 400A 600V 3-Pole w/ KT3150T 150A Thermal Magnetic Trip The Eaton KDC3400F Circuit Breaker is a high-capacity solution for industrial and commercial electrical systems. Rated at 400A, 600V, 3-pole, and paired with a KT3150T 150A thermal magnetic trip, this breaker provides superior short-circuit and overload... MSRP: Now: $1,850.00 Add to Cart Compare Eaton | sku: IS.10072024.02 Eaton LDC3400T52VWA0601H09 Molded Case Circuit Breaker – 400A, 3 Pole, 600V AC, 200kA, L-Frame, Trip Unit and Auxiliary Included The Eaton LDC3400T52VWA0601H09 is a 400-amp, 3-pole molded case circuit breaker from Eaton’s reliable L-Frame series, rated for 600V AC and equipped with an advanced VWA electronic trip unit. This unit features a naval label, indicating it meets... MSRP: Now: $8,200.00 Add to Cart Compare Eaton | sku: IS.11132024.38 Eaton LGU3630NN Circuit Breaker | 630A | 3-Pole | 600V AC | 65kAIC | Series G LG-Frame | Thermal Magnetic | W/LT340036 Trip Unit The Eaton LGU3630NN is a Series G LG-frame molded case circuit breaker designed for heavy-duty industrial and commercial applications. Rated at 630A, 3-pole, 600V AC, with a breaking capacity of 65kAIC at 600V AC, this breaker provides reliable... MSRP: Now: $3,750.00 Add to Cart Compare General Electric | sku: TJK436F000-UA-YAG General Electric TJK436F000 Breaker | 400A | 600V | 3-Pole | 3-Phase | 22kA | Thermal-Magnetic General Electric TJK436F000 Breaker | 400A | 600V | 3-Pole | 3-Phase | 22kA | Thermal-Magnetic Description:The General Electric TJK436F000 is a high-capacity 3-pole, 3-phase thermal-magnetic molded case circuit breaker designed for industrial and... MSRP: Now: $325.00 Add to Cart Compare Siemens | sku: IS.07252024.02 Siemens HJX3P400 Circuit Breaker 400A 480V 3P with Trip Unit The Siemens HJX3P400 (MLFB 3VL4140-2GE30-0AA0) is a high-performance 3-pole molded case circuit breaker with a rotary mechanism (3VL9400-3HE01), designed for industrial and commercial electrical systems. Rated at 400A and 690V AC, it provides reliable... MSRP: Now: $400.00 Add to Cart Compare Siemens | sku: IS.07252024.03 Siemens HJX3P400F 3VL4140-2GE33-0AA0 Circuit Breaker | 400A | 3-Pole | 690V AC | Thermal Magnetic | Molded Case The Siemens HJX3P400F (MLFB: 3VL4140-2GE33-0AA0) is a 3-pole thermal magnetic molded case circuit breaker rated at 400A and 690V AC, designed for industrial and commercial electrical systems. Providing reliable protection against overloads, short... MSRP: Now: $400.00 Add to Cart Compare Siemens | sku: JXD22B400-UA-YAG Siemens JXD22B400 Circuit Breaker - 400A 2-Pole 600V Type JXD2 Molded Case 65kA @ 240V The Siemens JXD22B400 is a heavy-duty 2-pole molded case circuit breaker (MCCB) rated for 400 amps and up to 600V AC. This Type JXD2 breaker features a high interrupting capacity of 65kA at 240V, making it ideal for use in demanding industrial and... MSRP: Now: $100.00 Add to Cart Compare Siemens | sku: JXD63B250-UA-YAG Siemens JXD63B250 Breaker | 250A Frame, 400A Trip Unit | 3-Pole 600V | 65kA Interrupt | Bolt-On MCCB The Siemens JXD63B250 is a heavy-duty molded case circuit breaker from the JXD6 Series, designed for demanding power distribution environments. This unit features a 250A frame size with a 400A trip unit, providing high-performance protection at 600V AC... MSRP: Now: $400.00 Add to Cart Compare Square D | sku: IS.05272025.01 Square D LA36400 Circuit Breaker | 400A | 3-Pole | 600V AC | 22kA | I-Line Thermal Magnetic | Crack & Chipped The Square D LA36400 is a 3-pole I-Line thermal magnetic circuit breaker rated at 400A and 600V AC, providing reliable protection against overloads and short circuits with a breaking capacity of 22kA. This breaker is ideal for industrial and commercial... MSRP: Now: $175.00 Add to Cart Compare Square D | sku: IS.05062024.28 Square D LJL36400U43X Circuit Breaker | 400A 3P 600V | 65kA | LJL Frame | Adjustable Trip | Micrologic 5.0 | UL Listed | Molded Case The Square D LJL36400U43X is a premium molded case circuit breaker (MCCB) from Schneider Electric’s PowerPact L-Frame (LJL) series, designed for demanding industrial and commercial applications. This 3-pole, 400A breaker supports up to 600V AC and... MSRP: Now: $500.00 Add to Cart Compare Square D | sku: DH.10072025.01 Square D MEC836LI1212 Circuit Breaker | 800A Frame | 400A Trip | 3-Pole | 600V AC | ME8400RP + Aux Switch The Square D MEC836LI1212 molded case circuit breaker provides reliable protection for heavy-duty electrical systems. Built with an 800A frame and equipped with the ME8400RP trip unit, this breaker is configured for a 400A trip rating to suit specific... MSRP: Now: $450.00 Add to Cart Compare Compare Selected × OK
Siemens | sku: JXD63B250-UA-YAG Siemens JXD63B250 Breaker | 250A Frame, 400A Trip Unit | 3-Pole 600V | 65kA Interrupt | Bolt-On MCCB MSRP: Now: $400.00 Add to Cart Compare Square D | sku: IS.05272025.01 Square D LA36400 Circuit Breaker | 400A | 3-Pole | 600V AC | 22kA | I-Line Thermal Magnetic | Crack & Chipped MSRP: Now: $175.00 Add to Cart Compare Square D | sku: IS.05062024.28 Square D LJL36400U43X Circuit Breaker | 400A 3P 600V | 65kA | LJL Frame | Adjustable Trip | Micrologic 5.0 | UL Listed | Molded Case MSRP: Now: $500.00 Add to Cart Compare Square D | sku: DH.10072025.01 Square D MEC836LI1212 Circuit Breaker | 800A Frame | 400A Trip | 3-Pole | 600V AC | ME8400RP + Aux Switch MSRP: Now: $450.00 Add to Cart Compare ABB | sku: IS.06052025.01 ABB S5N Circuit Breaker | 400A | 3-Pole | 600V AC | 22kA | Bolt-On | Thermal Magnetic The ABB S5N Circuit Breaker is designed for dependable protection and control of electrical systems in commercial and industrial applications. Featuring a 400A current rating, 3-pole configuration, and 600V AC operating voltage, this breaker ensures... MSRP: Now: $140.00 Add to Cart Compare ABB | sku: IS.07242025.09 ABB XT5SU340ABYN000XXX MCCB – XT5 Series Molded Case Circuit Breaker, 3 Pole, 400A, UL/IEC Certified The ABB XT5SU340ABYN000XXX is a high-performance 3-pole molded case circuit breaker (MCCB) from ABB’s advanced XT5 series. Rated for 400A, this breaker offers reliable protection for power distribution systems in commercial and industrial... MSRP: Now: $1,375.00 Add to Cart Compare Cutler Hammer | sku: IS.10072024.01 Cutler-Hammer LDC3400T52VWA0601H09 Circuit Breaker – 400A, 3 Pole, 600V AC, OPTIM 550, Naval Label The Cutler-Hammer LDC3400T52VWA0601H09 by Eaton is a heavy-duty, L-frame molded case circuit breaker designed for marine and industrial-grade power systems. Rated at 400 amps, 600V AC, and 3 poles, this unit includes a precision OPTIM 550 electronic trip... MSRP: Now: $4,900.00 Add to Cart Compare Eaton | sku: HKD3225-UA-EPS EATON HKD 3400F 400A 3P 600V Breaker w/ KT3225T Trip The Eaton HKD3400F is a heavy-duty molded case circuit breaker (MCCB) built for industrial and commercial applications. This 3-pole breaker is rated for 400A and supports up to 600V AC operation, with a 35kA interrupting capacity at 600V for high... MSRP: Now: $1,200.00 Add to Cart Compare Eaton | sku: IS.11132024.23 Eaton KDC3400F Breaker 400A 600V 3-Pole w/ KT3150T 150A Thermal Magnetic Trip The Eaton KDC3400F Circuit Breaker is a high-capacity solution for industrial and commercial electrical systems. Rated at 400A, 600V, 3-pole, and paired with a KT3150T 150A thermal magnetic trip, this breaker provides superior short-circuit and overload... MSRP: Now: $1,850.00 Add to Cart Compare Eaton | sku: IS.10072024.02 Eaton LDC3400T52VWA0601H09 Molded Case Circuit Breaker – 400A, 3 Pole, 600V AC, 200kA, L-Frame, Trip Unit and Auxiliary Included The Eaton LDC3400T52VWA0601H09 is a 400-amp, 3-pole molded case circuit breaker from Eaton’s reliable L-Frame series, rated for 600V AC and equipped with an advanced VWA electronic trip unit. This unit features a naval label, indicating it meets... MSRP: Now: $8,200.00 Add to Cart Compare Eaton | sku: IS.11132024.38 Eaton LGU3630NN Circuit Breaker | 630A | 3-Pole | 600V AC | 65kAIC | Series G LG-Frame | Thermal Magnetic | W/LT340036 Trip Unit The Eaton LGU3630NN is a Series G LG-frame molded case circuit breaker designed for heavy-duty industrial and commercial applications. Rated at 630A, 3-pole, 600V AC, with a breaking capacity of 65kAIC at 600V AC, this breaker provides reliable... MSRP: Now: $3,750.00 Add to Cart Compare General Electric | sku: TJK436F000-UA-YAG General Electric TJK436F000 Breaker | 400A | 600V | 3-Pole | 3-Phase | 22kA | Thermal-Magnetic General Electric TJK436F000 Breaker | 400A | 600V | 3-Pole | 3-Phase | 22kA | Thermal-Magnetic Description:The General Electric TJK436F000 is a high-capacity 3-pole, 3-phase thermal-magnetic molded case circuit breaker designed for industrial and... MSRP: Now: $325.00 Add to Cart Compare Siemens | sku: IS.07252024.02 Siemens HJX3P400 Circuit Breaker 400A 480V 3P with Trip Unit The Siemens HJX3P400 (MLFB 3VL4140-2GE30-0AA0) is a high-performance 3-pole molded case circuit breaker with a rotary mechanism (3VL9400-3HE01), designed for industrial and commercial electrical systems. Rated at 400A and 690V AC, it provides reliable... MSRP: Now: $400.00 Add to Cart Compare Siemens | sku: IS.07252024.03 Siemens HJX3P400F 3VL4140-2GE33-0AA0 Circuit Breaker | 400A | 3-Pole | 690V AC | Thermal Magnetic | Molded Case The Siemens HJX3P400F (MLFB: 3VL4140-2GE33-0AA0) is a 3-pole thermal magnetic molded case circuit breaker rated at 400A and 690V AC, designed for industrial and commercial electrical systems. Providing reliable protection against overloads, short... MSRP: Now: $400.00 Add to Cart Compare Siemens | sku: JXD22B400-UA-YAG Siemens JXD22B400 Circuit Breaker - 400A 2-Pole 600V Type JXD2 Molded Case 65kA @ 240V The Siemens JXD22B400 is a heavy-duty 2-pole molded case circuit breaker (MCCB) rated for 400 amps and up to 600V AC. This Type JXD2 breaker features a high interrupting capacity of 65kA at 240V, making it ideal for use in demanding industrial and... MSRP: Now: $100.00 Add to Cart Compare Siemens | sku: JXD63B250-UA-YAG Siemens JXD63B250 Breaker | 250A Frame, 400A Trip Unit | 3-Pole 600V | 65kA Interrupt | Bolt-On MCCB The Siemens JXD63B250 is a heavy-duty molded case circuit breaker from the JXD6 Series, designed for demanding power distribution environments. This unit features a 250A frame size with a 400A trip unit, providing high-performance protection at 600V AC... MSRP: Now: $400.00 Add to Cart Compare Square D | sku: IS.05272025.01 Square D LA36400 Circuit Breaker | 400A | 3-Pole | 600V AC | 22kA | I-Line Thermal Magnetic | Crack & Chipped The Square D LA36400 is a 3-pole I-Line thermal magnetic circuit breaker rated at 400A and 600V AC, providing reliable protection against overloads and short circuits with a breaking capacity of 22kA. This breaker is ideal for industrial and commercial... MSRP: Now: $175.00 Add to Cart Compare Square D | sku: IS.05062024.28 Square D LJL36400U43X Circuit Breaker | 400A 3P 600V | 65kA | LJL Frame | Adjustable Trip | Micrologic 5.0 | UL Listed | Molded Case The Square D LJL36400U43X is a premium molded case circuit breaker (MCCB) from Schneider Electric’s PowerPact L-Frame (LJL) series, designed for demanding industrial and commercial applications. This 3-pole, 400A breaker supports up to 600V AC and... MSRP: Now: $500.00 Add to Cart Compare Square D | sku: DH.10072025.01 Square D MEC836LI1212 Circuit Breaker | 800A Frame | 400A Trip | 3-Pole | 600V AC | ME8400RP + Aux Switch The Square D MEC836LI1212 molded case circuit breaker provides reliable protection for heavy-duty electrical systems. Built with an 800A frame and equipped with the ME8400RP trip unit, this breaker is configured for a 400A trip rating to suit specific... MSRP: Now: $450.00 Add to Cart Compare Compare Selected × OK
Square D | sku: IS.05272025.01 Square D LA36400 Circuit Breaker | 400A | 3-Pole | 600V AC | 22kA | I-Line Thermal Magnetic | Crack & Chipped MSRP: Now: $175.00 Add to Cart Compare Square D | sku: IS.05062024.28 Square D LJL36400U43X Circuit Breaker | 400A 3P 600V | 65kA | LJL Frame | Adjustable Trip | Micrologic 5.0 | UL Listed | Molded Case MSRP: Now: $500.00 Add to Cart Compare Square D | sku: DH.10072025.01 Square D MEC836LI1212 Circuit Breaker | 800A Frame | 400A Trip | 3-Pole | 600V AC | ME8400RP + Aux Switch MSRP: Now: $450.00 Add to Cart Compare ABB | sku: IS.06052025.01 ABB S5N Circuit Breaker | 400A | 3-Pole | 600V AC | 22kA | Bolt-On | Thermal Magnetic The ABB S5N Circuit Breaker is designed for dependable protection and control of electrical systems in commercial and industrial applications. Featuring a 400A current rating, 3-pole configuration, and 600V AC operating voltage, this breaker ensures... MSRP: Now: $140.00 Add to Cart Compare ABB | sku: IS.07242025.09 ABB XT5SU340ABYN000XXX MCCB – XT5 Series Molded Case Circuit Breaker, 3 Pole, 400A, UL/IEC Certified The ABB XT5SU340ABYN000XXX is a high-performance 3-pole molded case circuit breaker (MCCB) from ABB’s advanced XT5 series. Rated for 400A, this breaker offers reliable protection for power distribution systems in commercial and industrial... MSRP: Now: $1,375.00 Add to Cart Compare Cutler Hammer | sku: IS.10072024.01 Cutler-Hammer LDC3400T52VWA0601H09 Circuit Breaker – 400A, 3 Pole, 600V AC, OPTIM 550, Naval Label The Cutler-Hammer LDC3400T52VWA0601H09 by Eaton is a heavy-duty, L-frame molded case circuit breaker designed for marine and industrial-grade power systems. Rated at 400 amps, 600V AC, and 3 poles, this unit includes a precision OPTIM 550 electronic trip... MSRP: Now: $4,900.00 Add to Cart Compare Eaton | sku: HKD3225-UA-EPS EATON HKD 3400F 400A 3P 600V Breaker w/ KT3225T Trip The Eaton HKD3400F is a heavy-duty molded case circuit breaker (MCCB) built for industrial and commercial applications. This 3-pole breaker is rated for 400A and supports up to 600V AC operation, with a 35kA interrupting capacity at 600V for high... MSRP: Now: $1,200.00 Add to Cart Compare Eaton | sku: IS.11132024.23 Eaton KDC3400F Breaker 400A 600V 3-Pole w/ KT3150T 150A Thermal Magnetic Trip The Eaton KDC3400F Circuit Breaker is a high-capacity solution for industrial and commercial electrical systems. Rated at 400A, 600V, 3-pole, and paired with a KT3150T 150A thermal magnetic trip, this breaker provides superior short-circuit and overload... MSRP: Now: $1,850.00 Add to Cart Compare Eaton | sku: IS.10072024.02 Eaton LDC3400T52VWA0601H09 Molded Case Circuit Breaker – 400A, 3 Pole, 600V AC, 200kA, L-Frame, Trip Unit and Auxiliary Included The Eaton LDC3400T52VWA0601H09 is a 400-amp, 3-pole molded case circuit breaker from Eaton’s reliable L-Frame series, rated for 600V AC and equipped with an advanced VWA electronic trip unit. This unit features a naval label, indicating it meets... MSRP: Now: $8,200.00 Add to Cart Compare Eaton | sku: IS.11132024.38 Eaton LGU3630NN Circuit Breaker | 630A | 3-Pole | 600V AC | 65kAIC | Series G LG-Frame | Thermal Magnetic | W/LT340036 Trip Unit The Eaton LGU3630NN is a Series G LG-frame molded case circuit breaker designed for heavy-duty industrial and commercial applications. Rated at 630A, 3-pole, 600V AC, with a breaking capacity of 65kAIC at 600V AC, this breaker provides reliable... MSRP: Now: $3,750.00 Add to Cart Compare General Electric | sku: TJK436F000-UA-YAG General Electric TJK436F000 Breaker | 400A | 600V | 3-Pole | 3-Phase | 22kA | Thermal-Magnetic General Electric TJK436F000 Breaker | 400A | 600V | 3-Pole | 3-Phase | 22kA | Thermal-Magnetic Description:The General Electric TJK436F000 is a high-capacity 3-pole, 3-phase thermal-magnetic molded case circuit breaker designed for industrial and... MSRP: Now: $325.00 Add to Cart Compare Siemens | sku: IS.07252024.02 Siemens HJX3P400 Circuit Breaker 400A 480V 3P with Trip Unit The Siemens HJX3P400 (MLFB 3VL4140-2GE30-0AA0) is a high-performance 3-pole molded case circuit breaker with a rotary mechanism (3VL9400-3HE01), designed for industrial and commercial electrical systems. Rated at 400A and 690V AC, it provides reliable... MSRP: Now: $400.00 Add to Cart Compare Siemens | sku: IS.07252024.03 Siemens HJX3P400F 3VL4140-2GE33-0AA0 Circuit Breaker | 400A | 3-Pole | 690V AC | Thermal Magnetic | Molded Case The Siemens HJX3P400F (MLFB: 3VL4140-2GE33-0AA0) is a 3-pole thermal magnetic molded case circuit breaker rated at 400A and 690V AC, designed for industrial and commercial electrical systems. Providing reliable protection against overloads, short... MSRP: Now: $400.00 Add to Cart Compare Siemens | sku: JXD22B400-UA-YAG Siemens JXD22B400 Circuit Breaker - 400A 2-Pole 600V Type JXD2 Molded Case 65kA @ 240V The Siemens JXD22B400 is a heavy-duty 2-pole molded case circuit breaker (MCCB) rated for 400 amps and up to 600V AC. This Type JXD2 breaker features a high interrupting capacity of 65kA at 240V, making it ideal for use in demanding industrial and... MSRP: Now: $100.00 Add to Cart Compare Siemens | sku: JXD63B250-UA-YAG Siemens JXD63B250 Breaker | 250A Frame, 400A Trip Unit | 3-Pole 600V | 65kA Interrupt | Bolt-On MCCB The Siemens JXD63B250 is a heavy-duty molded case circuit breaker from the JXD6 Series, designed for demanding power distribution environments. This unit features a 250A frame size with a 400A trip unit, providing high-performance protection at 600V AC... MSRP: Now: $400.00 Add to Cart Compare Square D | sku: IS.05272025.01 Square D LA36400 Circuit Breaker | 400A | 3-Pole | 600V AC | 22kA | I-Line Thermal Magnetic | Crack & Chipped The Square D LA36400 is a 3-pole I-Line thermal magnetic circuit breaker rated at 400A and 600V AC, providing reliable protection against overloads and short circuits with a breaking capacity of 22kA. This breaker is ideal for industrial and commercial... MSRP: Now: $175.00 Add to Cart Compare Square D | sku: IS.05062024.28 Square D LJL36400U43X Circuit Breaker | 400A 3P 600V | 65kA | LJL Frame | Adjustable Trip | Micrologic 5.0 | UL Listed | Molded Case The Square D LJL36400U43X is a premium molded case circuit breaker (MCCB) from Schneider Electric’s PowerPact L-Frame (LJL) series, designed for demanding industrial and commercial applications. This 3-pole, 400A breaker supports up to 600V AC and... MSRP: Now: $500.00 Add to Cart Compare Square D | sku: DH.10072025.01 Square D MEC836LI1212 Circuit Breaker | 800A Frame | 400A Trip | 3-Pole | 600V AC | ME8400RP + Aux Switch The Square D MEC836LI1212 molded case circuit breaker provides reliable protection for heavy-duty electrical systems. Built with an 800A frame and equipped with the ME8400RP trip unit, this breaker is configured for a 400A trip rating to suit specific... MSRP: Now: $450.00 Add to Cart Compare Compare Selected × OK
Square D | sku: IS.05062024.28 Square D LJL36400U43X Circuit Breaker | 400A 3P 600V | 65kA | LJL Frame | Adjustable Trip | Micrologic 5.0 | UL Listed | Molded Case MSRP: Now: $500.00 Add to Cart Compare Square D | sku: DH.10072025.01 Square D MEC836LI1212 Circuit Breaker | 800A Frame | 400A Trip | 3-Pole | 600V AC | ME8400RP + Aux Switch MSRP: Now: $450.00 Add to Cart Compare ABB | sku: IS.06052025.01 ABB S5N Circuit Breaker | 400A | 3-Pole | 600V AC | 22kA | Bolt-On | Thermal Magnetic The ABB S5N Circuit Breaker is designed for dependable protection and control of electrical systems in commercial and industrial applications. Featuring a 400A current rating, 3-pole configuration, and 600V AC operating voltage, this breaker ensures... MSRP: Now: $140.00 Add to Cart Compare ABB | sku: IS.07242025.09 ABB XT5SU340ABYN000XXX MCCB – XT5 Series Molded Case Circuit Breaker, 3 Pole, 400A, UL/IEC Certified The ABB XT5SU340ABYN000XXX is a high-performance 3-pole molded case circuit breaker (MCCB) from ABB’s advanced XT5 series. Rated for 400A, this breaker offers reliable protection for power distribution systems in commercial and industrial... MSRP: Now: $1,375.00 Add to Cart Compare Cutler Hammer | sku: IS.10072024.01 Cutler-Hammer LDC3400T52VWA0601H09 Circuit Breaker – 400A, 3 Pole, 600V AC, OPTIM 550, Naval Label The Cutler-Hammer LDC3400T52VWA0601H09 by Eaton is a heavy-duty, L-frame molded case circuit breaker designed for marine and industrial-grade power systems. Rated at 400 amps, 600V AC, and 3 poles, this unit includes a precision OPTIM 550 electronic trip... MSRP: Now: $4,900.00 Add to Cart Compare Eaton | sku: HKD3225-UA-EPS EATON HKD 3400F 400A 3P 600V Breaker w/ KT3225T Trip The Eaton HKD3400F is a heavy-duty molded case circuit breaker (MCCB) built for industrial and commercial applications. This 3-pole breaker is rated for 400A and supports up to 600V AC operation, with a 35kA interrupting capacity at 600V for high... MSRP: Now: $1,200.00 Add to Cart Compare Eaton | sku: IS.11132024.23 Eaton KDC3400F Breaker 400A 600V 3-Pole w/ KT3150T 150A Thermal Magnetic Trip The Eaton KDC3400F Circuit Breaker is a high-capacity solution for industrial and commercial electrical systems. Rated at 400A, 600V, 3-pole, and paired with a KT3150T 150A thermal magnetic trip, this breaker provides superior short-circuit and overload... MSRP: Now: $1,850.00 Add to Cart Compare Eaton | sku: IS.10072024.02 Eaton LDC3400T52VWA0601H09 Molded Case Circuit Breaker – 400A, 3 Pole, 600V AC, 200kA, L-Frame, Trip Unit and Auxiliary Included The Eaton LDC3400T52VWA0601H09 is a 400-amp, 3-pole molded case circuit breaker from Eaton’s reliable L-Frame series, rated for 600V AC and equipped with an advanced VWA electronic trip unit. This unit features a naval label, indicating it meets... MSRP: Now: $8,200.00 Add to Cart Compare Eaton | sku: IS.11132024.38 Eaton LGU3630NN Circuit Breaker | 630A | 3-Pole | 600V AC | 65kAIC | Series G LG-Frame | Thermal Magnetic | W/LT340036 Trip Unit The Eaton LGU3630NN is a Series G LG-frame molded case circuit breaker designed for heavy-duty industrial and commercial applications. Rated at 630A, 3-pole, 600V AC, with a breaking capacity of 65kAIC at 600V AC, this breaker provides reliable... MSRP: Now: $3,750.00 Add to Cart Compare General Electric | sku: TJK436F000-UA-YAG General Electric TJK436F000 Breaker | 400A | 600V | 3-Pole | 3-Phase | 22kA | Thermal-Magnetic General Electric TJK436F000 Breaker | 400A | 600V | 3-Pole | 3-Phase | 22kA | Thermal-Magnetic Description:The General Electric TJK436F000 is a high-capacity 3-pole, 3-phase thermal-magnetic molded case circuit breaker designed for industrial and... MSRP: Now: $325.00 Add to Cart Compare Siemens | sku: IS.07252024.02 Siemens HJX3P400 Circuit Breaker 400A 480V 3P with Trip Unit The Siemens HJX3P400 (MLFB 3VL4140-2GE30-0AA0) is a high-performance 3-pole molded case circuit breaker with a rotary mechanism (3VL9400-3HE01), designed for industrial and commercial electrical systems. Rated at 400A and 690V AC, it provides reliable... MSRP: Now: $400.00 Add to Cart Compare Siemens | sku: IS.07252024.03 Siemens HJX3P400F 3VL4140-2GE33-0AA0 Circuit Breaker | 400A | 3-Pole | 690V AC | Thermal Magnetic | Molded Case The Siemens HJX3P400F (MLFB: 3VL4140-2GE33-0AA0) is a 3-pole thermal magnetic molded case circuit breaker rated at 400A and 690V AC, designed for industrial and commercial electrical systems. Providing reliable protection against overloads, short... MSRP: Now: $400.00 Add to Cart Compare Siemens | sku: JXD22B400-UA-YAG Siemens JXD22B400 Circuit Breaker - 400A 2-Pole 600V Type JXD2 Molded Case 65kA @ 240V The Siemens JXD22B400 is a heavy-duty 2-pole molded case circuit breaker (MCCB) rated for 400 amps and up to 600V AC. This Type JXD2 breaker features a high interrupting capacity of 65kA at 240V, making it ideal for use in demanding industrial and... MSRP: Now: $100.00 Add to Cart Compare Siemens | sku: JXD63B250-UA-YAG Siemens JXD63B250 Breaker | 250A Frame, 400A Trip Unit | 3-Pole 600V | 65kA Interrupt | Bolt-On MCCB The Siemens JXD63B250 is a heavy-duty molded case circuit breaker from the JXD6 Series, designed for demanding power distribution environments. This unit features a 250A frame size with a 400A trip unit, providing high-performance protection at 600V AC... MSRP: Now: $400.00 Add to Cart Compare Square D | sku: IS.05272025.01 Square D LA36400 Circuit Breaker | 400A | 3-Pole | 600V AC | 22kA | I-Line Thermal Magnetic | Crack & Chipped The Square D LA36400 is a 3-pole I-Line thermal magnetic circuit breaker rated at 400A and 600V AC, providing reliable protection against overloads and short circuits with a breaking capacity of 22kA. This breaker is ideal for industrial and commercial... MSRP: Now: $175.00 Add to Cart Compare Square D | sku: IS.05062024.28 Square D LJL36400U43X Circuit Breaker | 400A 3P 600V | 65kA | LJL Frame | Adjustable Trip | Micrologic 5.0 | UL Listed | Molded Case The Square D LJL36400U43X is a premium molded case circuit breaker (MCCB) from Schneider Electric’s PowerPact L-Frame (LJL) series, designed for demanding industrial and commercial applications. This 3-pole, 400A breaker supports up to 600V AC and... MSRP: Now: $500.00 Add to Cart Compare Square D | sku: DH.10072025.01 Square D MEC836LI1212 Circuit Breaker | 800A Frame | 400A Trip | 3-Pole | 600V AC | ME8400RP + Aux Switch The Square D MEC836LI1212 molded case circuit breaker provides reliable protection for heavy-duty electrical systems. Built with an 800A frame and equipped with the ME8400RP trip unit, this breaker is configured for a 400A trip rating to suit specific... MSRP: Now: $450.00 Add to Cart Compare Compare Selected × OK
Square D | sku: DH.10072025.01 Square D MEC836LI1212 Circuit Breaker | 800A Frame | 400A Trip | 3-Pole | 600V AC | ME8400RP + Aux Switch MSRP: Now: $450.00 Add to Cart Compare ABB | sku: IS.06052025.01 ABB S5N Circuit Breaker | 400A | 3-Pole | 600V AC | 22kA | Bolt-On | Thermal Magnetic The ABB S5N Circuit Breaker is designed for dependable protection and control of electrical systems in commercial and industrial applications. Featuring a 400A current rating, 3-pole configuration, and 600V AC operating voltage, this breaker ensures... MSRP: Now: $140.00 Add to Cart Compare ABB | sku: IS.07242025.09 ABB XT5SU340ABYN000XXX MCCB – XT5 Series Molded Case Circuit Breaker, 3 Pole, 400A, UL/IEC Certified The ABB XT5SU340ABYN000XXX is a high-performance 3-pole molded case circuit breaker (MCCB) from ABB’s advanced XT5 series. Rated for 400A, this breaker offers reliable protection for power distribution systems in commercial and industrial... MSRP: Now: $1,375.00 Add to Cart Compare Cutler Hammer | sku: IS.10072024.01 Cutler-Hammer LDC3400T52VWA0601H09 Circuit Breaker – 400A, 3 Pole, 600V AC, OPTIM 550, Naval Label The Cutler-Hammer LDC3400T52VWA0601H09 by Eaton is a heavy-duty, L-frame molded case circuit breaker designed for marine and industrial-grade power systems. Rated at 400 amps, 600V AC, and 3 poles, this unit includes a precision OPTIM 550 electronic trip... MSRP: Now: $4,900.00 Add to Cart Compare Eaton | sku: HKD3225-UA-EPS EATON HKD 3400F 400A 3P 600V Breaker w/ KT3225T Trip The Eaton HKD3400F is a heavy-duty molded case circuit breaker (MCCB) built for industrial and commercial applications. This 3-pole breaker is rated for 400A and supports up to 600V AC operation, with a 35kA interrupting capacity at 600V for high... MSRP: Now: $1,200.00 Add to Cart Compare Eaton | sku: IS.11132024.23 Eaton KDC3400F Breaker 400A 600V 3-Pole w/ KT3150T 150A Thermal Magnetic Trip The Eaton KDC3400F Circuit Breaker is a high-capacity solution for industrial and commercial electrical systems. Rated at 400A, 600V, 3-pole, and paired with a KT3150T 150A thermal magnetic trip, this breaker provides superior short-circuit and overload... MSRP: Now: $1,850.00 Add to Cart Compare Eaton | sku: IS.10072024.02 Eaton LDC3400T52VWA0601H09 Molded Case Circuit Breaker – 400A, 3 Pole, 600V AC, 200kA, L-Frame, Trip Unit and Auxiliary Included The Eaton LDC3400T52VWA0601H09 is a 400-amp, 3-pole molded case circuit breaker from Eaton’s reliable L-Frame series, rated for 600V AC and equipped with an advanced VWA electronic trip unit. This unit features a naval label, indicating it meets... MSRP: Now: $8,200.00 Add to Cart Compare Eaton | sku: IS.11132024.38 Eaton LGU3630NN Circuit Breaker | 630A | 3-Pole | 600V AC | 65kAIC | Series G LG-Frame | Thermal Magnetic | W/LT340036 Trip Unit The Eaton LGU3630NN is a Series G LG-frame molded case circuit breaker designed for heavy-duty industrial and commercial applications. Rated at 630A, 3-pole, 600V AC, with a breaking capacity of 65kAIC at 600V AC, this breaker provides reliable... MSRP: Now: $3,750.00 Add to Cart Compare General Electric | sku: TJK436F000-UA-YAG General Electric TJK436F000 Breaker | 400A | 600V | 3-Pole | 3-Phase | 22kA | Thermal-Magnetic General Electric TJK436F000 Breaker | 400A | 600V | 3-Pole | 3-Phase | 22kA | Thermal-Magnetic Description:The General Electric TJK436F000 is a high-capacity 3-pole, 3-phase thermal-magnetic molded case circuit breaker designed for industrial and... MSRP: Now: $325.00 Add to Cart Compare Siemens | sku: IS.07252024.02 Siemens HJX3P400 Circuit Breaker 400A 480V 3P with Trip Unit The Siemens HJX3P400 (MLFB 3VL4140-2GE30-0AA0) is a high-performance 3-pole molded case circuit breaker with a rotary mechanism (3VL9400-3HE01), designed for industrial and commercial electrical systems. Rated at 400A and 690V AC, it provides reliable... MSRP: Now: $400.00 Add to Cart Compare Siemens | sku: IS.07252024.03 Siemens HJX3P400F 3VL4140-2GE33-0AA0 Circuit Breaker | 400A | 3-Pole | 690V AC | Thermal Magnetic | Molded Case The Siemens HJX3P400F (MLFB: 3VL4140-2GE33-0AA0) is a 3-pole thermal magnetic molded case circuit breaker rated at 400A and 690V AC, designed for industrial and commercial electrical systems. Providing reliable protection against overloads, short... MSRP: Now: $400.00 Add to Cart Compare Siemens | sku: JXD22B400-UA-YAG Siemens JXD22B400 Circuit Breaker - 400A 2-Pole 600V Type JXD2 Molded Case 65kA @ 240V The Siemens JXD22B400 is a heavy-duty 2-pole molded case circuit breaker (MCCB) rated for 400 amps and up to 600V AC. This Type JXD2 breaker features a high interrupting capacity of 65kA at 240V, making it ideal for use in demanding industrial and... MSRP: Now: $100.00 Add to Cart Compare Siemens | sku: JXD63B250-UA-YAG Siemens JXD63B250 Breaker | 250A Frame, 400A Trip Unit | 3-Pole 600V | 65kA Interrupt | Bolt-On MCCB The Siemens JXD63B250 is a heavy-duty molded case circuit breaker from the JXD6 Series, designed for demanding power distribution environments. This unit features a 250A frame size with a 400A trip unit, providing high-performance protection at 600V AC... MSRP: Now: $400.00 Add to Cart Compare Square D | sku: IS.05272025.01 Square D LA36400 Circuit Breaker | 400A | 3-Pole | 600V AC | 22kA | I-Line Thermal Magnetic | Crack & Chipped The Square D LA36400 is a 3-pole I-Line thermal magnetic circuit breaker rated at 400A and 600V AC, providing reliable protection against overloads and short circuits with a breaking capacity of 22kA. This breaker is ideal for industrial and commercial... MSRP: Now: $175.00 Add to Cart Compare Square D | sku: IS.05062024.28 Square D LJL36400U43X Circuit Breaker | 400A 3P 600V | 65kA | LJL Frame | Adjustable Trip | Micrologic 5.0 | UL Listed | Molded Case The Square D LJL36400U43X is a premium molded case circuit breaker (MCCB) from Schneider Electric’s PowerPact L-Frame (LJL) series, designed for demanding industrial and commercial applications. This 3-pole, 400A breaker supports up to 600V AC and... MSRP: Now: $500.00 Add to Cart Compare Square D | sku: DH.10072025.01 Square D MEC836LI1212 Circuit Breaker | 800A Frame | 400A Trip | 3-Pole | 600V AC | ME8400RP + Aux Switch The Square D MEC836LI1212 molded case circuit breaker provides reliable protection for heavy-duty electrical systems. Built with an 800A frame and equipped with the ME8400RP trip unit, this breaker is configured for a 400A trip rating to suit specific... MSRP: Now: $450.00 Add to Cart Compare Compare Selected × OK
ABB | sku: IS.06052025.01 ABB S5N Circuit Breaker | 400A | 3-Pole | 600V AC | 22kA | Bolt-On | Thermal Magnetic The ABB S5N Circuit Breaker is designed for dependable protection and control of electrical systems in commercial and industrial applications. Featuring a 400A current rating, 3-pole configuration, and 600V AC operating voltage, this breaker ensures... MSRP: Now: $140.00 Add to Cart Compare ABB | sku: IS.07242025.09 ABB XT5SU340ABYN000XXX MCCB – XT5 Series Molded Case Circuit Breaker, 3 Pole, 400A, UL/IEC Certified The ABB XT5SU340ABYN000XXX is a high-performance 3-pole molded case circuit breaker (MCCB) from ABB’s advanced XT5 series. Rated for 400A, this breaker offers reliable protection for power distribution systems in commercial and industrial... MSRP: Now: $1,375.00 Add to Cart Compare Cutler Hammer | sku: IS.10072024.01 Cutler-Hammer LDC3400T52VWA0601H09 Circuit Breaker – 400A, 3 Pole, 600V AC, OPTIM 550, Naval Label The Cutler-Hammer LDC3400T52VWA0601H09 by Eaton is a heavy-duty, L-frame molded case circuit breaker designed for marine and industrial-grade power systems. Rated at 400 amps, 600V AC, and 3 poles, this unit includes a precision OPTIM 550 electronic trip... MSRP: Now: $4,900.00 Add to Cart Compare Eaton | sku: HKD3225-UA-EPS EATON HKD 3400F 400A 3P 600V Breaker w/ KT3225T Trip The Eaton HKD3400F is a heavy-duty molded case circuit breaker (MCCB) built for industrial and commercial applications. This 3-pole breaker is rated for 400A and supports up to 600V AC operation, with a 35kA interrupting capacity at 600V for high... MSRP: Now: $1,200.00 Add to Cart Compare Eaton | sku: IS.11132024.23 Eaton KDC3400F Breaker 400A 600V 3-Pole w/ KT3150T 150A Thermal Magnetic Trip The Eaton KDC3400F Circuit Breaker is a high-capacity solution for industrial and commercial electrical systems. Rated at 400A, 600V, 3-pole, and paired with a KT3150T 150A thermal magnetic trip, this breaker provides superior short-circuit and overload... MSRP: Now: $1,850.00 Add to Cart Compare Eaton | sku: IS.10072024.02 Eaton LDC3400T52VWA0601H09 Molded Case Circuit Breaker – 400A, 3 Pole, 600V AC, 200kA, L-Frame, Trip Unit and Auxiliary Included The Eaton LDC3400T52VWA0601H09 is a 400-amp, 3-pole molded case circuit breaker from Eaton’s reliable L-Frame series, rated for 600V AC and equipped with an advanced VWA electronic trip unit. This unit features a naval label, indicating it meets... MSRP: Now: $8,200.00 Add to Cart Compare Eaton | sku: IS.11132024.38 Eaton LGU3630NN Circuit Breaker | 630A | 3-Pole | 600V AC | 65kAIC | Series G LG-Frame | Thermal Magnetic | W/LT340036 Trip Unit The Eaton LGU3630NN is a Series G LG-frame molded case circuit breaker designed for heavy-duty industrial and commercial applications. Rated at 630A, 3-pole, 600V AC, with a breaking capacity of 65kAIC at 600V AC, this breaker provides reliable... MSRP: Now: $3,750.00 Add to Cart Compare General Electric | sku: TJK436F000-UA-YAG General Electric TJK436F000 Breaker | 400A | 600V | 3-Pole | 3-Phase | 22kA | Thermal-Magnetic General Electric TJK436F000 Breaker | 400A | 600V | 3-Pole | 3-Phase | 22kA | Thermal-Magnetic Description:The General Electric TJK436F000 is a high-capacity 3-pole, 3-phase thermal-magnetic molded case circuit breaker designed for industrial and... MSRP: Now: $325.00 Add to Cart Compare Siemens | sku: IS.07252024.02 Siemens HJX3P400 Circuit Breaker 400A 480V 3P with Trip Unit The Siemens HJX3P400 (MLFB 3VL4140-2GE30-0AA0) is a high-performance 3-pole molded case circuit breaker with a rotary mechanism (3VL9400-3HE01), designed for industrial and commercial electrical systems. Rated at 400A and 690V AC, it provides reliable... MSRP: Now: $400.00 Add to Cart Compare Siemens | sku: IS.07252024.03 Siemens HJX3P400F 3VL4140-2GE33-0AA0 Circuit Breaker | 400A | 3-Pole | 690V AC | Thermal Magnetic | Molded Case The Siemens HJX3P400F (MLFB: 3VL4140-2GE33-0AA0) is a 3-pole thermal magnetic molded case circuit breaker rated at 400A and 690V AC, designed for industrial and commercial electrical systems. Providing reliable protection against overloads, short... MSRP: Now: $400.00 Add to Cart Compare Siemens | sku: JXD22B400-UA-YAG Siemens JXD22B400 Circuit Breaker - 400A 2-Pole 600V Type JXD2 Molded Case 65kA @ 240V The Siemens JXD22B400 is a heavy-duty 2-pole molded case circuit breaker (MCCB) rated for 400 amps and up to 600V AC. This Type JXD2 breaker features a high interrupting capacity of 65kA at 240V, making it ideal for use in demanding industrial and... MSRP: Now: $100.00 Add to Cart Compare Siemens | sku: JXD63B250-UA-YAG Siemens JXD63B250 Breaker | 250A Frame, 400A Trip Unit | 3-Pole 600V | 65kA Interrupt | Bolt-On MCCB The Siemens JXD63B250 is a heavy-duty molded case circuit breaker from the JXD6 Series, designed for demanding power distribution environments. This unit features a 250A frame size with a 400A trip unit, providing high-performance protection at 600V AC... MSRP: Now: $400.00 Add to Cart Compare Square D | sku: IS.05272025.01 Square D LA36400 Circuit Breaker | 400A | 3-Pole | 600V AC | 22kA | I-Line Thermal Magnetic | Crack & Chipped The Square D LA36400 is a 3-pole I-Line thermal magnetic circuit breaker rated at 400A and 600V AC, providing reliable protection against overloads and short circuits with a breaking capacity of 22kA. This breaker is ideal for industrial and commercial... MSRP: Now: $175.00 Add to Cart Compare Square D | sku: IS.05062024.28 Square D LJL36400U43X Circuit Breaker | 400A 3P 600V | 65kA | LJL Frame | Adjustable Trip | Micrologic 5.0 | UL Listed | Molded Case The Square D LJL36400U43X is a premium molded case circuit breaker (MCCB) from Schneider Electric’s PowerPact L-Frame (LJL) series, designed for demanding industrial and commercial applications. This 3-pole, 400A breaker supports up to 600V AC and... MSRP: Now: $500.00 Add to Cart Compare Square D | sku: DH.10072025.01 Square D MEC836LI1212 Circuit Breaker | 800A Frame | 400A Trip | 3-Pole | 600V AC | ME8400RP + Aux Switch The Square D MEC836LI1212 molded case circuit breaker provides reliable protection for heavy-duty electrical systems. Built with an 800A frame and equipped with the ME8400RP trip unit, this breaker is configured for a 400A trip rating to suit specific... MSRP: Now: $450.00 Add to Cart Compare Compare Selected × OK
ABB | sku: IS.07242025.09 ABB XT5SU340ABYN000XXX MCCB – XT5 Series Molded Case Circuit Breaker, 3 Pole, 400A, UL/IEC Certified The ABB XT5SU340ABYN000XXX is a high-performance 3-pole molded case circuit breaker (MCCB) from ABB’s advanced XT5 series. Rated for 400A, this breaker offers reliable protection for power distribution systems in commercial and industrial... MSRP: Now: $1,375.00 Add to Cart Compare Cutler Hammer | sku: IS.10072024.01 Cutler-Hammer LDC3400T52VWA0601H09 Circuit Breaker – 400A, 3 Pole, 600V AC, OPTIM 550, Naval Label The Cutler-Hammer LDC3400T52VWA0601H09 by Eaton is a heavy-duty, L-frame molded case circuit breaker designed for marine and industrial-grade power systems. Rated at 400 amps, 600V AC, and 3 poles, this unit includes a precision OPTIM 550 electronic trip... MSRP: Now: $4,900.00 Add to Cart Compare Eaton | sku: HKD3225-UA-EPS EATON HKD 3400F 400A 3P 600V Breaker w/ KT3225T Trip The Eaton HKD3400F is a heavy-duty molded case circuit breaker (MCCB) built for industrial and commercial applications. This 3-pole breaker is rated for 400A and supports up to 600V AC operation, with a 35kA interrupting capacity at 600V for high... MSRP: Now: $1,200.00 Add to Cart Compare Eaton | sku: IS.11132024.23 Eaton KDC3400F Breaker 400A 600V 3-Pole w/ KT3150T 150A Thermal Magnetic Trip The Eaton KDC3400F Circuit Breaker is a high-capacity solution for industrial and commercial electrical systems. Rated at 400A, 600V, 3-pole, and paired with a KT3150T 150A thermal magnetic trip, this breaker provides superior short-circuit and overload... MSRP: Now: $1,850.00 Add to Cart Compare Eaton | sku: IS.10072024.02 Eaton LDC3400T52VWA0601H09 Molded Case Circuit Breaker – 400A, 3 Pole, 600V AC, 200kA, L-Frame, Trip Unit and Auxiliary Included The Eaton LDC3400T52VWA0601H09 is a 400-amp, 3-pole molded case circuit breaker from Eaton’s reliable L-Frame series, rated for 600V AC and equipped with an advanced VWA electronic trip unit. This unit features a naval label, indicating it meets... MSRP: Now: $8,200.00 Add to Cart Compare Eaton | sku: IS.11132024.38 Eaton LGU3630NN Circuit Breaker | 630A | 3-Pole | 600V AC | 65kAIC | Series G LG-Frame | Thermal Magnetic | W/LT340036 Trip Unit The Eaton LGU3630NN is a Series G LG-frame molded case circuit breaker designed for heavy-duty industrial and commercial applications. Rated at 630A, 3-pole, 600V AC, with a breaking capacity of 65kAIC at 600V AC, this breaker provides reliable... MSRP: Now: $3,750.00 Add to Cart Compare General Electric | sku: TJK436F000-UA-YAG General Electric TJK436F000 Breaker | 400A | 600V | 3-Pole | 3-Phase | 22kA | Thermal-Magnetic General Electric TJK436F000 Breaker | 400A | 600V | 3-Pole | 3-Phase | 22kA | Thermal-Magnetic Description:The General Electric TJK436F000 is a high-capacity 3-pole, 3-phase thermal-magnetic molded case circuit breaker designed for industrial and... MSRP: Now: $325.00 Add to Cart Compare Siemens | sku: IS.07252024.02 Siemens HJX3P400 Circuit Breaker 400A 480V 3P with Trip Unit The Siemens HJX3P400 (MLFB 3VL4140-2GE30-0AA0) is a high-performance 3-pole molded case circuit breaker with a rotary mechanism (3VL9400-3HE01), designed for industrial and commercial electrical systems. Rated at 400A and 690V AC, it provides reliable... MSRP: Now: $400.00 Add to Cart Compare Siemens | sku: IS.07252024.03 Siemens HJX3P400F 3VL4140-2GE33-0AA0 Circuit Breaker | 400A | 3-Pole | 690V AC | Thermal Magnetic | Molded Case The Siemens HJX3P400F (MLFB: 3VL4140-2GE33-0AA0) is a 3-pole thermal magnetic molded case circuit breaker rated at 400A and 690V AC, designed for industrial and commercial electrical systems. Providing reliable protection against overloads, short... MSRP: Now: $400.00 Add to Cart Compare Siemens | sku: JXD22B400-UA-YAG Siemens JXD22B400 Circuit Breaker - 400A 2-Pole 600V Type JXD2 Molded Case 65kA @ 240V The Siemens JXD22B400 is a heavy-duty 2-pole molded case circuit breaker (MCCB) rated for 400 amps and up to 600V AC. This Type JXD2 breaker features a high interrupting capacity of 65kA at 240V, making it ideal for use in demanding industrial and... MSRP: Now: $100.00 Add to Cart Compare Siemens | sku: JXD63B250-UA-YAG Siemens JXD63B250 Breaker | 250A Frame, 400A Trip Unit | 3-Pole 600V | 65kA Interrupt | Bolt-On MCCB The Siemens JXD63B250 is a heavy-duty molded case circuit breaker from the JXD6 Series, designed for demanding power distribution environments. This unit features a 250A frame size with a 400A trip unit, providing high-performance protection at 600V AC... MSRP: Now: $400.00 Add to Cart Compare Square D | sku: IS.05272025.01 Square D LA36400 Circuit Breaker | 400A | 3-Pole | 600V AC | 22kA | I-Line Thermal Magnetic | Crack & Chipped The Square D LA36400 is a 3-pole I-Line thermal magnetic circuit breaker rated at 400A and 600V AC, providing reliable protection against overloads and short circuits with a breaking capacity of 22kA. This breaker is ideal for industrial and commercial... MSRP: Now: $175.00 Add to Cart Compare Square D | sku: IS.05062024.28 Square D LJL36400U43X Circuit Breaker | 400A 3P 600V | 65kA | LJL Frame | Adjustable Trip | Micrologic 5.0 | UL Listed | Molded Case The Square D LJL36400U43X is a premium molded case circuit breaker (MCCB) from Schneider Electric’s PowerPact L-Frame (LJL) series, designed for demanding industrial and commercial applications. This 3-pole, 400A breaker supports up to 600V AC and... MSRP: Now: $500.00 Add to Cart Compare Square D | sku: DH.10072025.01 Square D MEC836LI1212 Circuit Breaker | 800A Frame | 400A Trip | 3-Pole | 600V AC | ME8400RP + Aux Switch The Square D MEC836LI1212 molded case circuit breaker provides reliable protection for heavy-duty electrical systems. Built with an 800A frame and equipped with the ME8400RP trip unit, this breaker is configured for a 400A trip rating to suit specific... MSRP: Now: $450.00 Add to Cart Compare Compare Selected × OK
Cutler Hammer | sku: IS.10072024.01 Cutler-Hammer LDC3400T52VWA0601H09 Circuit Breaker – 400A, 3 Pole, 600V AC, OPTIM 550, Naval Label The Cutler-Hammer LDC3400T52VWA0601H09 by Eaton is a heavy-duty, L-frame molded case circuit breaker designed for marine and industrial-grade power systems. Rated at 400 amps, 600V AC, and 3 poles, this unit includes a precision OPTIM 550 electronic trip... MSRP: Now: $4,900.00 Add to Cart Compare Eaton | sku: HKD3225-UA-EPS EATON HKD 3400F 400A 3P 600V Breaker w/ KT3225T Trip The Eaton HKD3400F is a heavy-duty molded case circuit breaker (MCCB) built for industrial and commercial applications. This 3-pole breaker is rated for 400A and supports up to 600V AC operation, with a 35kA interrupting capacity at 600V for high... MSRP: Now: $1,200.00 Add to Cart Compare Eaton | sku: IS.11132024.23 Eaton KDC3400F Breaker 400A 600V 3-Pole w/ KT3150T 150A Thermal Magnetic Trip The Eaton KDC3400F Circuit Breaker is a high-capacity solution for industrial and commercial electrical systems. Rated at 400A, 600V, 3-pole, and paired with a KT3150T 150A thermal magnetic trip, this breaker provides superior short-circuit and overload... MSRP: Now: $1,850.00 Add to Cart Compare Eaton | sku: IS.10072024.02 Eaton LDC3400T52VWA0601H09 Molded Case Circuit Breaker – 400A, 3 Pole, 600V AC, 200kA, L-Frame, Trip Unit and Auxiliary Included The Eaton LDC3400T52VWA0601H09 is a 400-amp, 3-pole molded case circuit breaker from Eaton’s reliable L-Frame series, rated for 600V AC and equipped with an advanced VWA electronic trip unit. This unit features a naval label, indicating it meets... MSRP: Now: $8,200.00 Add to Cart Compare Eaton | sku: IS.11132024.38 Eaton LGU3630NN Circuit Breaker | 630A | 3-Pole | 600V AC | 65kAIC | Series G LG-Frame | Thermal Magnetic | W/LT340036 Trip Unit The Eaton LGU3630NN is a Series G LG-frame molded case circuit breaker designed for heavy-duty industrial and commercial applications. Rated at 630A, 3-pole, 600V AC, with a breaking capacity of 65kAIC at 600V AC, this breaker provides reliable... MSRP: Now: $3,750.00 Add to Cart Compare General Electric | sku: TJK436F000-UA-YAG General Electric TJK436F000 Breaker | 400A | 600V | 3-Pole | 3-Phase | 22kA | Thermal-Magnetic General Electric TJK436F000 Breaker | 400A | 600V | 3-Pole | 3-Phase | 22kA | Thermal-Magnetic Description:The General Electric TJK436F000 is a high-capacity 3-pole, 3-phase thermal-magnetic molded case circuit breaker designed for industrial and... MSRP: Now: $325.00 Add to Cart Compare Siemens | sku: IS.07252024.02 Siemens HJX3P400 Circuit Breaker 400A 480V 3P with Trip Unit The Siemens HJX3P400 (MLFB 3VL4140-2GE30-0AA0) is a high-performance 3-pole molded case circuit breaker with a rotary mechanism (3VL9400-3HE01), designed for industrial and commercial electrical systems. Rated at 400A and 690V AC, it provides reliable... MSRP: Now: $400.00 Add to Cart Compare Siemens | sku: IS.07252024.03 Siemens HJX3P400F 3VL4140-2GE33-0AA0 Circuit Breaker | 400A | 3-Pole | 690V AC | Thermal Magnetic | Molded Case The Siemens HJX3P400F (MLFB: 3VL4140-2GE33-0AA0) is a 3-pole thermal magnetic molded case circuit breaker rated at 400A and 690V AC, designed for industrial and commercial electrical systems. Providing reliable protection against overloads, short... MSRP: Now: $400.00 Add to Cart Compare Siemens | sku: JXD22B400-UA-YAG Siemens JXD22B400 Circuit Breaker - 400A 2-Pole 600V Type JXD2 Molded Case 65kA @ 240V The Siemens JXD22B400 is a heavy-duty 2-pole molded case circuit breaker (MCCB) rated for 400 amps and up to 600V AC. This Type JXD2 breaker features a high interrupting capacity of 65kA at 240V, making it ideal for use in demanding industrial and... MSRP: Now: $100.00 Add to Cart Compare Siemens | sku: JXD63B250-UA-YAG Siemens JXD63B250 Breaker | 250A Frame, 400A Trip Unit | 3-Pole 600V | 65kA Interrupt | Bolt-On MCCB The Siemens JXD63B250 is a heavy-duty molded case circuit breaker from the JXD6 Series, designed for demanding power distribution environments. This unit features a 250A frame size with a 400A trip unit, providing high-performance protection at 600V AC... MSRP: Now: $400.00 Add to Cart Compare Square D | sku: IS.05272025.01 Square D LA36400 Circuit Breaker | 400A | 3-Pole | 600V AC | 22kA | I-Line Thermal Magnetic | Crack & Chipped The Square D LA36400 is a 3-pole I-Line thermal magnetic circuit breaker rated at 400A and 600V AC, providing reliable protection against overloads and short circuits with a breaking capacity of 22kA. This breaker is ideal for industrial and commercial... MSRP: Now: $175.00 Add to Cart Compare Square D | sku: IS.05062024.28 Square D LJL36400U43X Circuit Breaker | 400A 3P 600V | 65kA | LJL Frame | Adjustable Trip | Micrologic 5.0 | UL Listed | Molded Case The Square D LJL36400U43X is a premium molded case circuit breaker (MCCB) from Schneider Electric’s PowerPact L-Frame (LJL) series, designed for demanding industrial and commercial applications. This 3-pole, 400A breaker supports up to 600V AC and... MSRP: Now: $500.00 Add to Cart Compare Square D | sku: DH.10072025.01 Square D MEC836LI1212 Circuit Breaker | 800A Frame | 400A Trip | 3-Pole | 600V AC | ME8400RP + Aux Switch The Square D MEC836LI1212 molded case circuit breaker provides reliable protection for heavy-duty electrical systems. Built with an 800A frame and equipped with the ME8400RP trip unit, this breaker is configured for a 400A trip rating to suit specific... MSRP: Now: $450.00 Add to Cart Compare Compare Selected × OK
Eaton | sku: HKD3225-UA-EPS EATON HKD 3400F 400A 3P 600V Breaker w/ KT3225T Trip The Eaton HKD3400F is a heavy-duty molded case circuit breaker (MCCB) built for industrial and commercial applications. This 3-pole breaker is rated for 400A and supports up to 600V AC operation, with a 35kA interrupting capacity at 600V for high... MSRP: Now: $1,200.00 Add to Cart Compare Eaton | sku: IS.11132024.23 Eaton KDC3400F Breaker 400A 600V 3-Pole w/ KT3150T 150A Thermal Magnetic Trip The Eaton KDC3400F Circuit Breaker is a high-capacity solution for industrial and commercial electrical systems. Rated at 400A, 600V, 3-pole, and paired with a KT3150T 150A thermal magnetic trip, this breaker provides superior short-circuit and overload... MSRP: Now: $1,850.00 Add to Cart Compare Eaton | sku: IS.10072024.02 Eaton LDC3400T52VWA0601H09 Molded Case Circuit Breaker – 400A, 3 Pole, 600V AC, 200kA, L-Frame, Trip Unit and Auxiliary Included The Eaton LDC3400T52VWA0601H09 is a 400-amp, 3-pole molded case circuit breaker from Eaton’s reliable L-Frame series, rated for 600V AC and equipped with an advanced VWA electronic trip unit. This unit features a naval label, indicating it meets... MSRP: Now: $8,200.00 Add to Cart Compare Eaton | sku: IS.11132024.38 Eaton LGU3630NN Circuit Breaker | 630A | 3-Pole | 600V AC | 65kAIC | Series G LG-Frame | Thermal Magnetic | W/LT340036 Trip Unit The Eaton LGU3630NN is a Series G LG-frame molded case circuit breaker designed for heavy-duty industrial and commercial applications. Rated at 630A, 3-pole, 600V AC, with a breaking capacity of 65kAIC at 600V AC, this breaker provides reliable... MSRP: Now: $3,750.00 Add to Cart Compare General Electric | sku: TJK436F000-UA-YAG General Electric TJK436F000 Breaker | 400A | 600V | 3-Pole | 3-Phase | 22kA | Thermal-Magnetic General Electric TJK436F000 Breaker | 400A | 600V | 3-Pole | 3-Phase | 22kA | Thermal-Magnetic Description:The General Electric TJK436F000 is a high-capacity 3-pole, 3-phase thermal-magnetic molded case circuit breaker designed for industrial and... MSRP: Now: $325.00 Add to Cart Compare Siemens | sku: IS.07252024.02 Siemens HJX3P400 Circuit Breaker 400A 480V 3P with Trip Unit The Siemens HJX3P400 (MLFB 3VL4140-2GE30-0AA0) is a high-performance 3-pole molded case circuit breaker with a rotary mechanism (3VL9400-3HE01), designed for industrial and commercial electrical systems. Rated at 400A and 690V AC, it provides reliable... MSRP: Now: $400.00 Add to Cart Compare Siemens | sku: IS.07252024.03 Siemens HJX3P400F 3VL4140-2GE33-0AA0 Circuit Breaker | 400A | 3-Pole | 690V AC | Thermal Magnetic | Molded Case The Siemens HJX3P400F (MLFB: 3VL4140-2GE33-0AA0) is a 3-pole thermal magnetic molded case circuit breaker rated at 400A and 690V AC, designed for industrial and commercial electrical systems. Providing reliable protection against overloads, short... MSRP: Now: $400.00 Add to Cart Compare Siemens | sku: JXD22B400-UA-YAG Siemens JXD22B400 Circuit Breaker - 400A 2-Pole 600V Type JXD2 Molded Case 65kA @ 240V The Siemens JXD22B400 is a heavy-duty 2-pole molded case circuit breaker (MCCB) rated for 400 amps and up to 600V AC. This Type JXD2 breaker features a high interrupting capacity of 65kA at 240V, making it ideal for use in demanding industrial and... MSRP: Now: $100.00 Add to Cart Compare Siemens | sku: JXD63B250-UA-YAG Siemens JXD63B250 Breaker | 250A Frame, 400A Trip Unit | 3-Pole 600V | 65kA Interrupt | Bolt-On MCCB The Siemens JXD63B250 is a heavy-duty molded case circuit breaker from the JXD6 Series, designed for demanding power distribution environments. This unit features a 250A frame size with a 400A trip unit, providing high-performance protection at 600V AC... MSRP: Now: $400.00 Add to Cart Compare Square D | sku: IS.05272025.01 Square D LA36400 Circuit Breaker | 400A | 3-Pole | 600V AC | 22kA | I-Line Thermal Magnetic | Crack & Chipped The Square D LA36400 is a 3-pole I-Line thermal magnetic circuit breaker rated at 400A and 600V AC, providing reliable protection against overloads and short circuits with a breaking capacity of 22kA. This breaker is ideal for industrial and commercial... MSRP: Now: $175.00 Add to Cart Compare Square D | sku: IS.05062024.28 Square D LJL36400U43X Circuit Breaker | 400A 3P 600V | 65kA | LJL Frame | Adjustable Trip | Micrologic 5.0 | UL Listed | Molded Case The Square D LJL36400U43X is a premium molded case circuit breaker (MCCB) from Schneider Electric’s PowerPact L-Frame (LJL) series, designed for demanding industrial and commercial applications. This 3-pole, 400A breaker supports up to 600V AC and... MSRP: Now: $500.00 Add to Cart Compare Square D | sku: DH.10072025.01 Square D MEC836LI1212 Circuit Breaker | 800A Frame | 400A Trip | 3-Pole | 600V AC | ME8400RP + Aux Switch The Square D MEC836LI1212 molded case circuit breaker provides reliable protection for heavy-duty electrical systems. Built with an 800A frame and equipped with the ME8400RP trip unit, this breaker is configured for a 400A trip rating to suit specific... MSRP: Now: $450.00 Add to Cart Compare Compare Selected × OK
Eaton | sku: IS.11132024.23 Eaton KDC3400F Breaker 400A 600V 3-Pole w/ KT3150T 150A Thermal Magnetic Trip The Eaton KDC3400F Circuit Breaker is a high-capacity solution for industrial and commercial electrical systems. Rated at 400A, 600V, 3-pole, and paired with a KT3150T 150A thermal magnetic trip, this breaker provides superior short-circuit and overload... MSRP: Now: $1,850.00 Add to Cart Compare Eaton | sku: IS.10072024.02 Eaton LDC3400T52VWA0601H09 Molded Case Circuit Breaker – 400A, 3 Pole, 600V AC, 200kA, L-Frame, Trip Unit and Auxiliary Included The Eaton LDC3400T52VWA0601H09 is a 400-amp, 3-pole molded case circuit breaker from Eaton’s reliable L-Frame series, rated for 600V AC and equipped with an advanced VWA electronic trip unit. This unit features a naval label, indicating it meets... MSRP: Now: $8,200.00 Add to Cart Compare Eaton | sku: IS.11132024.38 Eaton LGU3630NN Circuit Breaker | 630A | 3-Pole | 600V AC | 65kAIC | Series G LG-Frame | Thermal Magnetic | W/LT340036 Trip Unit The Eaton LGU3630NN is a Series G LG-frame molded case circuit breaker designed for heavy-duty industrial and commercial applications. Rated at 630A, 3-pole, 600V AC, with a breaking capacity of 65kAIC at 600V AC, this breaker provides reliable... MSRP: Now: $3,750.00 Add to Cart Compare General Electric | sku: TJK436F000-UA-YAG General Electric TJK436F000 Breaker | 400A | 600V | 3-Pole | 3-Phase | 22kA | Thermal-Magnetic General Electric TJK436F000 Breaker | 400A | 600V | 3-Pole | 3-Phase | 22kA | Thermal-Magnetic Description:The General Electric TJK436F000 is a high-capacity 3-pole, 3-phase thermal-magnetic molded case circuit breaker designed for industrial and... MSRP: Now: $325.00 Add to Cart Compare Siemens | sku: IS.07252024.02 Siemens HJX3P400 Circuit Breaker 400A 480V 3P with Trip Unit The Siemens HJX3P400 (MLFB 3VL4140-2GE30-0AA0) is a high-performance 3-pole molded case circuit breaker with a rotary mechanism (3VL9400-3HE01), designed for industrial and commercial electrical systems. Rated at 400A and 690V AC, it provides reliable... MSRP: Now: $400.00 Add to Cart Compare Siemens | sku: IS.07252024.03 Siemens HJX3P400F 3VL4140-2GE33-0AA0 Circuit Breaker | 400A | 3-Pole | 690V AC | Thermal Magnetic | Molded Case The Siemens HJX3P400F (MLFB: 3VL4140-2GE33-0AA0) is a 3-pole thermal magnetic molded case circuit breaker rated at 400A and 690V AC, designed for industrial and commercial electrical systems. Providing reliable protection against overloads, short... MSRP: Now: $400.00 Add to Cart Compare Siemens | sku: JXD22B400-UA-YAG Siemens JXD22B400 Circuit Breaker - 400A 2-Pole 600V Type JXD2 Molded Case 65kA @ 240V The Siemens JXD22B400 is a heavy-duty 2-pole molded case circuit breaker (MCCB) rated for 400 amps and up to 600V AC. This Type JXD2 breaker features a high interrupting capacity of 65kA at 240V, making it ideal for use in demanding industrial and... MSRP: Now: $100.00 Add to Cart Compare Siemens | sku: JXD63B250-UA-YAG Siemens JXD63B250 Breaker | 250A Frame, 400A Trip Unit | 3-Pole 600V | 65kA Interrupt | Bolt-On MCCB The Siemens JXD63B250 is a heavy-duty molded case circuit breaker from the JXD6 Series, designed for demanding power distribution environments. This unit features a 250A frame size with a 400A trip unit, providing high-performance protection at 600V AC... MSRP: Now: $400.00 Add to Cart Compare Square D | sku: IS.05272025.01 Square D LA36400 Circuit Breaker | 400A | 3-Pole | 600V AC | 22kA | I-Line Thermal Magnetic | Crack & Chipped The Square D LA36400 is a 3-pole I-Line thermal magnetic circuit breaker rated at 400A and 600V AC, providing reliable protection against overloads and short circuits with a breaking capacity of 22kA. This breaker is ideal for industrial and commercial... MSRP: Now: $175.00 Add to Cart Compare Square D | sku: IS.05062024.28 Square D LJL36400U43X Circuit Breaker | 400A 3P 600V | 65kA | LJL Frame | Adjustable Trip | Micrologic 5.0 | UL Listed | Molded Case The Square D LJL36400U43X is a premium molded case circuit breaker (MCCB) from Schneider Electric’s PowerPact L-Frame (LJL) series, designed for demanding industrial and commercial applications. This 3-pole, 400A breaker supports up to 600V AC and... MSRP: Now: $500.00 Add to Cart Compare Square D | sku: DH.10072025.01 Square D MEC836LI1212 Circuit Breaker | 800A Frame | 400A Trip | 3-Pole | 600V AC | ME8400RP + Aux Switch The Square D MEC836LI1212 molded case circuit breaker provides reliable protection for heavy-duty electrical systems. Built with an 800A frame and equipped with the ME8400RP trip unit, this breaker is configured for a 400A trip rating to suit specific... MSRP: Now: $450.00 Add to Cart Compare Compare Selected × OK
Eaton | sku: IS.10072024.02 Eaton LDC3400T52VWA0601H09 Molded Case Circuit Breaker – 400A, 3 Pole, 600V AC, 200kA, L-Frame, Trip Unit and Auxiliary Included The Eaton LDC3400T52VWA0601H09 is a 400-amp, 3-pole molded case circuit breaker from Eaton’s reliable L-Frame series, rated for 600V AC and equipped with an advanced VWA electronic trip unit. This unit features a naval label, indicating it meets... MSRP: Now: $8,200.00 Add to Cart Compare Eaton | sku: IS.11132024.38 Eaton LGU3630NN Circuit Breaker | 630A | 3-Pole | 600V AC | 65kAIC | Series G LG-Frame | Thermal Magnetic | W/LT340036 Trip Unit The Eaton LGU3630NN is a Series G LG-frame molded case circuit breaker designed for heavy-duty industrial and commercial applications. Rated at 630A, 3-pole, 600V AC, with a breaking capacity of 65kAIC at 600V AC, this breaker provides reliable... MSRP: Now: $3,750.00 Add to Cart Compare General Electric | sku: TJK436F000-UA-YAG General Electric TJK436F000 Breaker | 400A | 600V | 3-Pole | 3-Phase | 22kA | Thermal-Magnetic General Electric TJK436F000 Breaker | 400A | 600V | 3-Pole | 3-Phase | 22kA | Thermal-Magnetic Description:The General Electric TJK436F000 is a high-capacity 3-pole, 3-phase thermal-magnetic molded case circuit breaker designed for industrial and... MSRP: Now: $325.00 Add to Cart Compare Siemens | sku: IS.07252024.02 Siemens HJX3P400 Circuit Breaker 400A 480V 3P with Trip Unit The Siemens HJX3P400 (MLFB 3VL4140-2GE30-0AA0) is a high-performance 3-pole molded case circuit breaker with a rotary mechanism (3VL9400-3HE01), designed for industrial and commercial electrical systems. Rated at 400A and 690V AC, it provides reliable... MSRP: Now: $400.00 Add to Cart Compare Siemens | sku: IS.07252024.03 Siemens HJX3P400F 3VL4140-2GE33-0AA0 Circuit Breaker | 400A | 3-Pole | 690V AC | Thermal Magnetic | Molded Case The Siemens HJX3P400F (MLFB: 3VL4140-2GE33-0AA0) is a 3-pole thermal magnetic molded case circuit breaker rated at 400A and 690V AC, designed for industrial and commercial electrical systems. Providing reliable protection against overloads, short... MSRP: Now: $400.00 Add to Cart Compare Siemens | sku: JXD22B400-UA-YAG Siemens JXD22B400 Circuit Breaker - 400A 2-Pole 600V Type JXD2 Molded Case 65kA @ 240V The Siemens JXD22B400 is a heavy-duty 2-pole molded case circuit breaker (MCCB) rated for 400 amps and up to 600V AC. This Type JXD2 breaker features a high interrupting capacity of 65kA at 240V, making it ideal for use in demanding industrial and... MSRP: Now: $100.00 Add to Cart Compare Siemens | sku: JXD63B250-UA-YAG Siemens JXD63B250 Breaker | 250A Frame, 400A Trip Unit | 3-Pole 600V | 65kA Interrupt | Bolt-On MCCB The Siemens JXD63B250 is a heavy-duty molded case circuit breaker from the JXD6 Series, designed for demanding power distribution environments. This unit features a 250A frame size with a 400A trip unit, providing high-performance protection at 600V AC... MSRP: Now: $400.00 Add to Cart Compare Square D | sku: IS.05272025.01 Square D LA36400 Circuit Breaker | 400A | 3-Pole | 600V AC | 22kA | I-Line Thermal Magnetic | Crack & Chipped The Square D LA36400 is a 3-pole I-Line thermal magnetic circuit breaker rated at 400A and 600V AC, providing reliable protection against overloads and short circuits with a breaking capacity of 22kA. This breaker is ideal for industrial and commercial... MSRP: Now: $175.00 Add to Cart Compare Square D | sku: IS.05062024.28 Square D LJL36400U43X Circuit Breaker | 400A 3P 600V | 65kA | LJL Frame | Adjustable Trip | Micrologic 5.0 | UL Listed | Molded Case The Square D LJL36400U43X is a premium molded case circuit breaker (MCCB) from Schneider Electric’s PowerPact L-Frame (LJL) series, designed for demanding industrial and commercial applications. This 3-pole, 400A breaker supports up to 600V AC and... MSRP: Now: $500.00 Add to Cart Compare Square D | sku: DH.10072025.01 Square D MEC836LI1212 Circuit Breaker | 800A Frame | 400A Trip | 3-Pole | 600V AC | ME8400RP + Aux Switch The Square D MEC836LI1212 molded case circuit breaker provides reliable protection for heavy-duty electrical systems. Built with an 800A frame and equipped with the ME8400RP trip unit, this breaker is configured for a 400A trip rating to suit specific... MSRP: Now: $450.00 Add to Cart Compare Compare Selected × OK
Eaton | sku: IS.11132024.38 Eaton LGU3630NN Circuit Breaker | 630A | 3-Pole | 600V AC | 65kAIC | Series G LG-Frame | Thermal Magnetic | W/LT340036 Trip Unit The Eaton LGU3630NN is a Series G LG-frame molded case circuit breaker designed for heavy-duty industrial and commercial applications. Rated at 630A, 3-pole, 600V AC, with a breaking capacity of 65kAIC at 600V AC, this breaker provides reliable... MSRP: Now: $3,750.00 Add to Cart Compare General Electric | sku: TJK436F000-UA-YAG General Electric TJK436F000 Breaker | 400A | 600V | 3-Pole | 3-Phase | 22kA | Thermal-Magnetic General Electric TJK436F000 Breaker | 400A | 600V | 3-Pole | 3-Phase | 22kA | Thermal-Magnetic Description:The General Electric TJK436F000 is a high-capacity 3-pole, 3-phase thermal-magnetic molded case circuit breaker designed for industrial and... MSRP: Now: $325.00 Add to Cart Compare Siemens | sku: IS.07252024.02 Siemens HJX3P400 Circuit Breaker 400A 480V 3P with Trip Unit The Siemens HJX3P400 (MLFB 3VL4140-2GE30-0AA0) is a high-performance 3-pole molded case circuit breaker with a rotary mechanism (3VL9400-3HE01), designed for industrial and commercial electrical systems. Rated at 400A and 690V AC, it provides reliable... MSRP: Now: $400.00 Add to Cart Compare Siemens | sku: IS.07252024.03 Siemens HJX3P400F 3VL4140-2GE33-0AA0 Circuit Breaker | 400A | 3-Pole | 690V AC | Thermal Magnetic | Molded Case The Siemens HJX3P400F (MLFB: 3VL4140-2GE33-0AA0) is a 3-pole thermal magnetic molded case circuit breaker rated at 400A and 690V AC, designed for industrial and commercial electrical systems. Providing reliable protection against overloads, short... MSRP: Now: $400.00 Add to Cart Compare Siemens | sku: JXD22B400-UA-YAG Siemens JXD22B400 Circuit Breaker - 400A 2-Pole 600V Type JXD2 Molded Case 65kA @ 240V The Siemens JXD22B400 is a heavy-duty 2-pole molded case circuit breaker (MCCB) rated for 400 amps and up to 600V AC. This Type JXD2 breaker features a high interrupting capacity of 65kA at 240V, making it ideal for use in demanding industrial and... MSRP: Now: $100.00 Add to Cart Compare Siemens | sku: JXD63B250-UA-YAG Siemens JXD63B250 Breaker | 250A Frame, 400A Trip Unit | 3-Pole 600V | 65kA Interrupt | Bolt-On MCCB The Siemens JXD63B250 is a heavy-duty molded case circuit breaker from the JXD6 Series, designed for demanding power distribution environments. This unit features a 250A frame size with a 400A trip unit, providing high-performance protection at 600V AC... MSRP: Now: $400.00 Add to Cart Compare Square D | sku: IS.05272025.01 Square D LA36400 Circuit Breaker | 400A | 3-Pole | 600V AC | 22kA | I-Line Thermal Magnetic | Crack & Chipped The Square D LA36400 is a 3-pole I-Line thermal magnetic circuit breaker rated at 400A and 600V AC, providing reliable protection against overloads and short circuits with a breaking capacity of 22kA. This breaker is ideal for industrial and commercial... MSRP: Now: $175.00 Add to Cart Compare Square D | sku: IS.05062024.28 Square D LJL36400U43X Circuit Breaker | 400A 3P 600V | 65kA | LJL Frame | Adjustable Trip | Micrologic 5.0 | UL Listed | Molded Case The Square D LJL36400U43X is a premium molded case circuit breaker (MCCB) from Schneider Electric’s PowerPact L-Frame (LJL) series, designed for demanding industrial and commercial applications. This 3-pole, 400A breaker supports up to 600V AC and... MSRP: Now: $500.00 Add to Cart Compare Square D | sku: DH.10072025.01 Square D MEC836LI1212 Circuit Breaker | 800A Frame | 400A Trip | 3-Pole | 600V AC | ME8400RP + Aux Switch The Square D MEC836LI1212 molded case circuit breaker provides reliable protection for heavy-duty electrical systems. Built with an 800A frame and equipped with the ME8400RP trip unit, this breaker is configured for a 400A trip rating to suit specific... MSRP: Now: $450.00 Add to Cart Compare Compare Selected × OK
General Electric | sku: TJK436F000-UA-YAG General Electric TJK436F000 Breaker | 400A | 600V | 3-Pole | 3-Phase | 22kA | Thermal-Magnetic General Electric TJK436F000 Breaker | 400A | 600V | 3-Pole | 3-Phase | 22kA | Thermal-Magnetic Description:The General Electric TJK436F000 is a high-capacity 3-pole, 3-phase thermal-magnetic molded case circuit breaker designed for industrial and... MSRP: Now: $325.00 Add to Cart Compare Siemens | sku: IS.07252024.02 Siemens HJX3P400 Circuit Breaker 400A 480V 3P with Trip Unit The Siemens HJX3P400 (MLFB 3VL4140-2GE30-0AA0) is a high-performance 3-pole molded case circuit breaker with a rotary mechanism (3VL9400-3HE01), designed for industrial and commercial electrical systems. Rated at 400A and 690V AC, it provides reliable... MSRP: Now: $400.00 Add to Cart Compare Siemens | sku: IS.07252024.03 Siemens HJX3P400F 3VL4140-2GE33-0AA0 Circuit Breaker | 400A | 3-Pole | 690V AC | Thermal Magnetic | Molded Case The Siemens HJX3P400F (MLFB: 3VL4140-2GE33-0AA0) is a 3-pole thermal magnetic molded case circuit breaker rated at 400A and 690V AC, designed for industrial and commercial electrical systems. Providing reliable protection against overloads, short... MSRP: Now: $400.00 Add to Cart Compare Siemens | sku: JXD22B400-UA-YAG Siemens JXD22B400 Circuit Breaker - 400A 2-Pole 600V Type JXD2 Molded Case 65kA @ 240V The Siemens JXD22B400 is a heavy-duty 2-pole molded case circuit breaker (MCCB) rated for 400 amps and up to 600V AC. This Type JXD2 breaker features a high interrupting capacity of 65kA at 240V, making it ideal for use in demanding industrial and... MSRP: Now: $100.00 Add to Cart Compare Siemens | sku: JXD63B250-UA-YAG Siemens JXD63B250 Breaker | 250A Frame, 400A Trip Unit | 3-Pole 600V | 65kA Interrupt | Bolt-On MCCB The Siemens JXD63B250 is a heavy-duty molded case circuit breaker from the JXD6 Series, designed for demanding power distribution environments. This unit features a 250A frame size with a 400A trip unit, providing high-performance protection at 600V AC... MSRP: Now: $400.00 Add to Cart Compare Square D | sku: IS.05272025.01 Square D LA36400 Circuit Breaker | 400A | 3-Pole | 600V AC | 22kA | I-Line Thermal Magnetic | Crack & Chipped The Square D LA36400 is a 3-pole I-Line thermal magnetic circuit breaker rated at 400A and 600V AC, providing reliable protection against overloads and short circuits with a breaking capacity of 22kA. This breaker is ideal for industrial and commercial... MSRP: Now: $175.00 Add to Cart Compare Square D | sku: IS.05062024.28 Square D LJL36400U43X Circuit Breaker | 400A 3P 600V | 65kA | LJL Frame | Adjustable Trip | Micrologic 5.0 | UL Listed | Molded Case The Square D LJL36400U43X is a premium molded case circuit breaker (MCCB) from Schneider Electric’s PowerPact L-Frame (LJL) series, designed for demanding industrial and commercial applications. This 3-pole, 400A breaker supports up to 600V AC and... MSRP: Now: $500.00 Add to Cart Compare Square D | sku: DH.10072025.01 Square D MEC836LI1212 Circuit Breaker | 800A Frame | 400A Trip | 3-Pole | 600V AC | ME8400RP + Aux Switch The Square D MEC836LI1212 molded case circuit breaker provides reliable protection for heavy-duty electrical systems. Built with an 800A frame and equipped with the ME8400RP trip unit, this breaker is configured for a 400A trip rating to suit specific... MSRP: Now: $450.00 Add to Cart Compare Compare Selected × OK
Siemens | sku: IS.07252024.02 Siemens HJX3P400 Circuit Breaker 400A 480V 3P with Trip Unit The Siemens HJX3P400 (MLFB 3VL4140-2GE30-0AA0) is a high-performance 3-pole molded case circuit breaker with a rotary mechanism (3VL9400-3HE01), designed for industrial and commercial electrical systems. Rated at 400A and 690V AC, it provides reliable... MSRP: Now: $400.00 Add to Cart Compare Siemens | sku: IS.07252024.03 Siemens HJX3P400F 3VL4140-2GE33-0AA0 Circuit Breaker | 400A | 3-Pole | 690V AC | Thermal Magnetic | Molded Case The Siemens HJX3P400F (MLFB: 3VL4140-2GE33-0AA0) is a 3-pole thermal magnetic molded case circuit breaker rated at 400A and 690V AC, designed for industrial and commercial electrical systems. Providing reliable protection against overloads, short... MSRP: Now: $400.00 Add to Cart Compare Siemens | sku: JXD22B400-UA-YAG Siemens JXD22B400 Circuit Breaker - 400A 2-Pole 600V Type JXD2 Molded Case 65kA @ 240V The Siemens JXD22B400 is a heavy-duty 2-pole molded case circuit breaker (MCCB) rated for 400 amps and up to 600V AC. This Type JXD2 breaker features a high interrupting capacity of 65kA at 240V, making it ideal for use in demanding industrial and... MSRP: Now: $100.00 Add to Cart Compare Siemens | sku: JXD63B250-UA-YAG Siemens JXD63B250 Breaker | 250A Frame, 400A Trip Unit | 3-Pole 600V | 65kA Interrupt | Bolt-On MCCB The Siemens JXD63B250 is a heavy-duty molded case circuit breaker from the JXD6 Series, designed for demanding power distribution environments. This unit features a 250A frame size with a 400A trip unit, providing high-performance protection at 600V AC... MSRP: Now: $400.00 Add to Cart Compare Square D | sku: IS.05272025.01 Square D LA36400 Circuit Breaker | 400A | 3-Pole | 600V AC | 22kA | I-Line Thermal Magnetic | Crack & Chipped The Square D LA36400 is a 3-pole I-Line thermal magnetic circuit breaker rated at 400A and 600V AC, providing reliable protection against overloads and short circuits with a breaking capacity of 22kA. This breaker is ideal for industrial and commercial... MSRP: Now: $175.00 Add to Cart Compare Square D | sku: IS.05062024.28 Square D LJL36400U43X Circuit Breaker | 400A 3P 600V | 65kA | LJL Frame | Adjustable Trip | Micrologic 5.0 | UL Listed | Molded Case The Square D LJL36400U43X is a premium molded case circuit breaker (MCCB) from Schneider Electric’s PowerPact L-Frame (LJL) series, designed for demanding industrial and commercial applications. This 3-pole, 400A breaker supports up to 600V AC and... MSRP: Now: $500.00 Add to Cart Compare Square D | sku: DH.10072025.01 Square D MEC836LI1212 Circuit Breaker | 800A Frame | 400A Trip | 3-Pole | 600V AC | ME8400RP + Aux Switch The Square D MEC836LI1212 molded case circuit breaker provides reliable protection for heavy-duty electrical systems. Built with an 800A frame and equipped with the ME8400RP trip unit, this breaker is configured for a 400A trip rating to suit specific... MSRP: Now: $450.00 Add to Cart Compare Compare Selected × OK
Siemens | sku: IS.07252024.03 Siemens HJX3P400F 3VL4140-2GE33-0AA0 Circuit Breaker | 400A | 3-Pole | 690V AC | Thermal Magnetic | Molded Case The Siemens HJX3P400F (MLFB: 3VL4140-2GE33-0AA0) is a 3-pole thermal magnetic molded case circuit breaker rated at 400A and 690V AC, designed for industrial and commercial electrical systems. Providing reliable protection against overloads, short... MSRP: Now: $400.00 Add to Cart Compare Siemens | sku: JXD22B400-UA-YAG Siemens JXD22B400 Circuit Breaker - 400A 2-Pole 600V Type JXD2 Molded Case 65kA @ 240V The Siemens JXD22B400 is a heavy-duty 2-pole molded case circuit breaker (MCCB) rated for 400 amps and up to 600V AC. This Type JXD2 breaker features a high interrupting capacity of 65kA at 240V, making it ideal for use in demanding industrial and... MSRP: Now: $100.00 Add to Cart Compare Siemens | sku: JXD63B250-UA-YAG Siemens JXD63B250 Breaker | 250A Frame, 400A Trip Unit | 3-Pole 600V | 65kA Interrupt | Bolt-On MCCB The Siemens JXD63B250 is a heavy-duty molded case circuit breaker from the JXD6 Series, designed for demanding power distribution environments. This unit features a 250A frame size with a 400A trip unit, providing high-performance protection at 600V AC... MSRP: Now: $400.00 Add to Cart Compare Square D | sku: IS.05272025.01 Square D LA36400 Circuit Breaker | 400A | 3-Pole | 600V AC | 22kA | I-Line Thermal Magnetic | Crack & Chipped The Square D LA36400 is a 3-pole I-Line thermal magnetic circuit breaker rated at 400A and 600V AC, providing reliable protection against overloads and short circuits with a breaking capacity of 22kA. This breaker is ideal for industrial and commercial... MSRP: Now: $175.00 Add to Cart Compare Square D | sku: IS.05062024.28 Square D LJL36400U43X Circuit Breaker | 400A 3P 600V | 65kA | LJL Frame | Adjustable Trip | Micrologic 5.0 | UL Listed | Molded Case The Square D LJL36400U43X is a premium molded case circuit breaker (MCCB) from Schneider Electric’s PowerPact L-Frame (LJL) series, designed for demanding industrial and commercial applications. This 3-pole, 400A breaker supports up to 600V AC and... MSRP: Now: $500.00 Add to Cart Compare Square D | sku: DH.10072025.01 Square D MEC836LI1212 Circuit Breaker | 800A Frame | 400A Trip | 3-Pole | 600V AC | ME8400RP + Aux Switch The Square D MEC836LI1212 molded case circuit breaker provides reliable protection for heavy-duty electrical systems. Built with an 800A frame and equipped with the ME8400RP trip unit, this breaker is configured for a 400A trip rating to suit specific... MSRP: Now: $450.00 Add to Cart Compare Compare Selected × OK
Siemens | sku: JXD22B400-UA-YAG Siemens JXD22B400 Circuit Breaker - 400A 2-Pole 600V Type JXD2 Molded Case 65kA @ 240V The Siemens JXD22B400 is a heavy-duty 2-pole molded case circuit breaker (MCCB) rated for 400 amps and up to 600V AC. This Type JXD2 breaker features a high interrupting capacity of 65kA at 240V, making it ideal for use in demanding industrial and... MSRP: Now: $100.00 Add to Cart Compare Siemens | sku: JXD63B250-UA-YAG Siemens JXD63B250 Breaker | 250A Frame, 400A Trip Unit | 3-Pole 600V | 65kA Interrupt | Bolt-On MCCB The Siemens JXD63B250 is a heavy-duty molded case circuit breaker from the JXD6 Series, designed for demanding power distribution environments. This unit features a 250A frame size with a 400A trip unit, providing high-performance protection at 600V AC... MSRP: Now: $400.00 Add to Cart Compare Square D | sku: IS.05272025.01 Square D LA36400 Circuit Breaker | 400A | 3-Pole | 600V AC | 22kA | I-Line Thermal Magnetic | Crack & Chipped The Square D LA36400 is a 3-pole I-Line thermal magnetic circuit breaker rated at 400A and 600V AC, providing reliable protection against overloads and short circuits with a breaking capacity of 22kA. This breaker is ideal for industrial and commercial... MSRP: Now: $175.00 Add to Cart Compare Square D | sku: IS.05062024.28 Square D LJL36400U43X Circuit Breaker | 400A 3P 600V | 65kA | LJL Frame | Adjustable Trip | Micrologic 5.0 | UL Listed | Molded Case The Square D LJL36400U43X is a premium molded case circuit breaker (MCCB) from Schneider Electric’s PowerPact L-Frame (LJL) series, designed for demanding industrial and commercial applications. This 3-pole, 400A breaker supports up to 600V AC and... MSRP: Now: $500.00 Add to Cart Compare Square D | sku: DH.10072025.01 Square D MEC836LI1212 Circuit Breaker | 800A Frame | 400A Trip | 3-Pole | 600V AC | ME8400RP + Aux Switch The Square D MEC836LI1212 molded case circuit breaker provides reliable protection for heavy-duty electrical systems. Built with an 800A frame and equipped with the ME8400RP trip unit, this breaker is configured for a 400A trip rating to suit specific... MSRP: Now: $450.00 Add to Cart Compare Compare Selected × OK
Siemens | sku: JXD63B250-UA-YAG Siemens JXD63B250 Breaker | 250A Frame, 400A Trip Unit | 3-Pole 600V | 65kA Interrupt | Bolt-On MCCB The Siemens JXD63B250 is a heavy-duty molded case circuit breaker from the JXD6 Series, designed for demanding power distribution environments. This unit features a 250A frame size with a 400A trip unit, providing high-performance protection at 600V AC... MSRP: Now: $400.00 Add to Cart Compare Square D | sku: IS.05272025.01 Square D LA36400 Circuit Breaker | 400A | 3-Pole | 600V AC | 22kA | I-Line Thermal Magnetic | Crack & Chipped The Square D LA36400 is a 3-pole I-Line thermal magnetic circuit breaker rated at 400A and 600V AC, providing reliable protection against overloads and short circuits with a breaking capacity of 22kA. This breaker is ideal for industrial and commercial... MSRP: Now: $175.00 Add to Cart Compare Square D | sku: IS.05062024.28 Square D LJL36400U43X Circuit Breaker | 400A 3P 600V | 65kA | LJL Frame | Adjustable Trip | Micrologic 5.0 | UL Listed | Molded Case The Square D LJL36400U43X is a premium molded case circuit breaker (MCCB) from Schneider Electric’s PowerPact L-Frame (LJL) series, designed for demanding industrial and commercial applications. This 3-pole, 400A breaker supports up to 600V AC and... MSRP: Now: $500.00 Add to Cart Compare Square D | sku: DH.10072025.01 Square D MEC836LI1212 Circuit Breaker | 800A Frame | 400A Trip | 3-Pole | 600V AC | ME8400RP + Aux Switch The Square D MEC836LI1212 molded case circuit breaker provides reliable protection for heavy-duty electrical systems. Built with an 800A frame and equipped with the ME8400RP trip unit, this breaker is configured for a 400A trip rating to suit specific... MSRP: Now: $450.00 Add to Cart Compare Compare Selected × OK
Square D | sku: IS.05272025.01 Square D LA36400 Circuit Breaker | 400A | 3-Pole | 600V AC | 22kA | I-Line Thermal Magnetic | Crack & Chipped The Square D LA36400 is a 3-pole I-Line thermal magnetic circuit breaker rated at 400A and 600V AC, providing reliable protection against overloads and short circuits with a breaking capacity of 22kA. This breaker is ideal for industrial and commercial... MSRP: Now: $175.00 Add to Cart Compare Square D | sku: IS.05062024.28 Square D LJL36400U43X Circuit Breaker | 400A 3P 600V | 65kA | LJL Frame | Adjustable Trip | Micrologic 5.0 | UL Listed | Molded Case The Square D LJL36400U43X is a premium molded case circuit breaker (MCCB) from Schneider Electric’s PowerPact L-Frame (LJL) series, designed for demanding industrial and commercial applications. This 3-pole, 400A breaker supports up to 600V AC and... MSRP: Now: $500.00 Add to Cart Compare Square D | sku: DH.10072025.01 Square D MEC836LI1212 Circuit Breaker | 800A Frame | 400A Trip | 3-Pole | 600V AC | ME8400RP + Aux Switch The Square D MEC836LI1212 molded case circuit breaker provides reliable protection for heavy-duty electrical systems. Built with an 800A frame and equipped with the ME8400RP trip unit, this breaker is configured for a 400A trip rating to suit specific... MSRP: Now: $450.00 Add to Cart Compare Compare Selected × OK
Square D | sku: IS.05062024.28 Square D LJL36400U43X Circuit Breaker | 400A 3P 600V | 65kA | LJL Frame | Adjustable Trip | Micrologic 5.0 | UL Listed | Molded Case The Square D LJL36400U43X is a premium molded case circuit breaker (MCCB) from Schneider Electric’s PowerPact L-Frame (LJL) series, designed for demanding industrial and commercial applications. This 3-pole, 400A breaker supports up to 600V AC and... MSRP: Now: $500.00 Add to Cart Compare Square D | sku: DH.10072025.01 Square D MEC836LI1212 Circuit Breaker | 800A Frame | 400A Trip | 3-Pole | 600V AC | ME8400RP + Aux Switch The Square D MEC836LI1212 molded case circuit breaker provides reliable protection for heavy-duty electrical systems. Built with an 800A frame and equipped with the ME8400RP trip unit, this breaker is configured for a 400A trip rating to suit specific... MSRP: Now: $450.00 Add to Cart Compare Compare Selected
Square D | sku: DH.10072025.01 Square D MEC836LI1212 Circuit Breaker | 800A Frame | 400A Trip | 3-Pole | 600V AC | ME8400RP + Aux Switch The Square D MEC836LI1212 molded case circuit breaker provides reliable protection for heavy-duty electrical systems. Built with an 800A frame and equipped with the ME8400RP trip unit, this breaker is configured for a 400A trip rating to suit specific... MSRP: Now: $450.00 Add to Cart Compare Compare Selected