Westinghouse MCP431800RC Circuit Breaker is a 3-pole, 150 A molded-case device designed for motor control centers and industrial panels. It provides magnetic trip protection for three-phase circuits up to 600 V and 50/60 Hz, with a panel-mount housing and screw-terminal connections, suitable for motor and branch-circuit protection in manufacturing facilities, conveyor systems, HVAC equipment, and other industrial automation panels, and it is industrial-duty rated. Common replacement: HMCP150U4C.
