Westinghouse Electric 455D788G06 Circuit Breaker

Westinghouse's 455D788G06 Circuit Breaker (MPN 455D788G06) is a heavy-duty, 3-pole unit rated for 400 A at 600 V, built for high-current interruption in industrial power distribution. As part of the A-156 series, it provides overcurrent and short-circuit protection and is designed for mounting in industrial panels or switchgear. Common applications include industrial power distribution systems, switchgear lineups, motor control centers, and heavy machinery panels in manufacturing plants, processing operations, and utility facilities. The unit is compatible with MCC systems, switchgear, and distribution panels, offering reliable protection for industrial electrical systems.