Product Description
The Square D H321N Fusible Disconnect Switch is a heavy-duty safety switch designed to deliver reliable overcurrent protection and circuit isolation in commercial and industrial environments.
Rated at 30A, 240V, 3-Pole, 4-Wire with Neutral, this fusible switch is housed in a durable NEMA 1 steel enclosure, making it perfect for indoor surface-mounted installations.
It is compatible with Class H fuses, and can also be upgraded for use with Class R fuses with an additional kit, ensuring flexible performance across multiple applications.
Key Features:
-
Brand: Square D
-
Model: H321N
-
Amp Rating: 30A
-
Voltage Rating: 240V AC
-
Poles / Wires: 3-Pole, 4-Wire (with Neutral)
-
Enclosure: NEMA 1 (Indoor, Surface-Mounted Steel)
-
Type: Heavy Duty, Fusible Safety Switch
-
Fuse Compatibility: Class H (upgradeable to R with kit)
-
Duty: Industrial / Commercial
Applications:
-
Indoor commercial buildings
-
Industrial facilities
-
Power distribution and equipment protection
-
Safety disconnect for maintenance and service
