Westinghouse MCP331000RC Motor Circuit Protector

The Westinghouse MCP331000RC is a three-pole molded-case circuit breaker built for motor control centers and industrial panels, delivering magnetic-trip overcurrent protection for three-phase motors and related equipment. It is rated 100 A at 600 V, supports 50/60 Hz operation, and uses a panel-mount, molded-case design suitable for motor control centers, HVAC, conveyors, pumps, packaging machinery, and process automation systems. The magnetic-trip mechanism and industrial-duty rating provide dependable short-circuit and branch-circuit protection in demanding environments. Common replacements include Eaton HMCP050K2C, Allen-Bradley 140M-C2E-B100, and Square D FA34100.