Westinghouse MCP0322R Motor Circuit Protector

The Westinghouse MCP0322R Motor Circuit Protector is a magnetic-only molded-case device that provides fast short-circuit protection for three‑phase motors in industrial control and automation systems. Commonly installed in motor control centers, combination starters, industrial machinery, and HVAC equipment, it protects motor branches from high fault currents while relying on separate overload protection devices. This 3‑pole unit is rated up to 600V AC, with a current rating of 3 A and an adjustable magnetic trip range of 7–22 A, built on an F‑frame for panel or bolt‑on mounting and suitable for 50/60 Hz operation. UL Listed, its primary function is short-circuit motor protection in applications involving motors, starters, and associated branch circuits within manufacturing facilities such as conveyors, pumps, and compressors. It is designed for use in combination motor controllers with external overload relays or heater elements, delivering a fast magnetic trip response that helps isolate faults quickly. Common replacements include Eaton HMCP, Siemens SENTRON, and Schneider Electric TeSys GV motor circuit protectors where compatible. Manufacturer: Westinghouse Electric Corporation; Model: MCP0322R; Style Number: 2606D97G22; Product Type: Motor Circuit Protector (MCP).