Industrial FB3030SL Molded Case Circuit Breaker

The Westinghouse FB3030SL is a 3-pole, 30-amp molded case circuit breaker built on the FB Frame for industrial power distribution and motor-control applications. This thermal-magnetic device provides dependable overcurrent and short-circuit protection in panel- or switchboard-mounted installations, suitable for three-phase systems operating at 50/60 Hz. Commonly installed in motor control centers, switchboards, and industrial automation panels, it protects conveyors, HVAC infrastructure, automation machinery, and other connected equipment in demanding industrial environments. Common replacements include Eaton FB3030, Siemens HFB3030, and Square D FA3430.