Westinghouse FB3050 Molded Case Circuit Breaker

The Westinghouse FB3050 is a three-pole molded case circuit breaker rated 50 A at 600 VAC, part of the FB Frame, delivering thermal-magnetic overcurrent protection for three-phase power distribution systems. A panel- or switchboard-mounted device, it protects motors and industrial equipment in motor control centers, switchgear, automation panels, conveyors, HVAC infrastructure, and manufacturing lines operating on 50/60 Hz networks. Its specified configuration includes 3-pole, 50 A, 600 VAC with thermal-magnetic protection for branch circuits and equipment protection, and it lists common replacements such as Eaton FB3050, Siemens HFB3050, and Square D FA3450. Condition note: housing shows chipped areas.