Square D 800 amp Main Disonnect

Square D Heavy-Duty Fused Safety Switch / Emergency Disconnect – 800 Amp, 600V

Manufacturer: Square D

Type: Heavy-Duty Fused Safety Switch / Emergency Disconnect

Voltage: 460/277V (Rated 600 Vac / 600 Vdc)

Amperage: 800 Amps

Fuse Type: Class L, Time-Delay, Current-Limiting

Fuses Installed: Bussmann Low-Peak (Class L), 300Vdc / 600Vac rated

Application: Industrial machinery main disconnect (Debarker service)

Description

Heavy-duty Square D fused safety switch originally used as a debarker emergency disconnect in a sawmill environment. This unit is rated 800 amps at 600 volts, making it suitable for large motors, high inrush loads, and demanding industrial service.

The switch is equipped with Class L current-limiting, time-delay fuses (Bussmann Low-Peak), providing excellent short-circuit protection and coordination for large horsepower applications. Heavy copper bus work, robust blade assemblies, and a reinforced enclosure reflect Square D’s industrial-grade construction.

Features include:

Clearly labeled LINE / LOAD connections

Lockable external handle for safe lock-out / tag-out

Heavy steel enclosure suitable for industrial environments

Designed for high fault current and motor starting duty

Unit appears complete and intact, with no visible overheating, arcing, or bus damage. Ideal for sawmills, wood products facilities, debarkers, chippers, grinders, conveyors, or other large industrial equipment.

Condition

Used, industrial service. Normal cosmetic wear consistent with age and environment. Internals appear solid and unmodified.

Sold as-is, as removed.