Westinghouse MCP331000CR Molded Case Circuit Breaker

The Westinghouse MCP331000CR is a 3-pole, 100 A molded‑case circuit breaker with a magnetic trip designed to provide short‑circuit protection for industrial motors in demanding environments. Rated for 600 VAC and 50/60 Hz three‑phase operation, it is designed for panel‑mount installation with screw terminal connections and is industrial duty rated. Commonly installed in motor control centers, conveyor systems, manufacturing equipment, HVAC systems, pump controls, packaging machinery, process automation systems, and material handling equipment such as OEM industrial control assemblies requiring reliable high‑amperage motor protection. It is compatible with motor control centers and industrial panels. Common replacements include Eaton HMCP050K2C, Allen‑Bradley 140M-C2E-B50, and Square D FA34050.