Westinghouse Electric NP28328-F Circuit Breaker

Westinghouse NP28328-F Circuit Breaker delivers instantaneous magnetic trip protection at 400 A for industrial power distribution and motor protection systems. This 400 A Molded Case Circuit Breaker (MCCB) is designed for panel or fixed mounting in switchgear assemblies, motor control centers, distribution panels, and manufacturing equipment, operating on 50/60 Hz three-phase power with mechanical lug connections. It provides reliable short-circuit and fault interruption essential in manufacturing facilities, industrial automation, HVAC, and other power distribution applications where rapid protection is required. Common replacements include Eaton HMCP400U4C, Allen-Bradley 140M-C2E-B400, and Square D FA34400.