Westinghouse 2603D46G28 Circuit Breaker Trip Unit

The Westinghouse 2603D46G28 Circuit Breaker Trip Unit is a 3-pole, thermal-magnetic trip module designed to install inside Westinghouse molded‑case circuit breakers, delivering 350 A overload and short-circuit protection for three-phase power distribution. Compatible with Westinghouse MCCs and industrial breaker assemblies, it is commonly used in switchgear, motor control centers, and industrial distribution panels across manufacturing facilities and heavy-duty power systems. Maintenance electricians, facility engineers, and system integrators use this trip unit for replacement maintenance, retrofit projects, and restoration of legacy protection schemes. Applications include industrial power distribution, HVAC systems, pump stations, conveyors, and process automation equipment where dependable 3-pole 350 A protection is required.