Product Description
The Blackburn AQ4-750 is a high-performance, dual-rated mechanical lug designed for secure and efficient termination in commercial and industrial power distribution systems. Featuring a robust four-barrel design, this lug allows for the simultaneous connection of four large-gauge conductors, making it an ideal solution for high-capacity panelboards and switchgear applications.
Constructed from high-strength, tin-plated aluminum, it ensures maximum conductivity while providing superior resistance to oxidation and corrosion in demanding environments.
Technical Specifications
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Manufacturer: Blackburn (ABB Installation Products)
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Part Number: AQ4-750
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Conductor Range: 750MCM to 3/0 AWG
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Number of Ports: 4-Barrel (Four separate conductor entries)
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Material: High-strength extruded aluminum alloy
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Plating: Electro-tin plated for corrosion resistance
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Mounting Type: 2-Hole NEMA pad for stable mechanical connection
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Temperature Rating: 90°C
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Voltage Rating: Up to 600V (Suitable for most industrial power systems)
Key Features & Benefits
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Dual-Rated Versatility: UL listed and CSA certified for use with both Copper (Cu) and Aluminum (Al) conductors.
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Space-Efficient Design: Consolidate four high-capacity cables into a single lug block, optimizing space within panelboards.
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Enhanced Conductivity: The electro-tin plating ensures low contact resistance and prevents galvanic corrosion when used with copper wiring.
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Secure Mounting: The 2-hole pad design prevents the lug from turning or loosening under heavy vibration or thermal expansion.
Applications
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Commercial Panelboards: Ideal for main service entrance terminations.
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Industrial Switchgear: Used for heavy-duty power distribution and motor control centers.
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Electrical Retrofitting: Perfect for upgrading existing systems to handle higher amperage loads.
