Westinghouse HFB3030L Molded Case Circuit Breaker

The Westinghouse HFB3030L is a 30 Amp, 3-pole molded case circuit breaker designed for overload and short-circuit protection in industrial power distribution and motor control systems. It is rated for 600 VAC at 50/60 Hz and uses a thermal-magnetic trip mechanism suitable for 3-phase branch circuits and connected equipment. With bolt-on mounting in the HFB frame series, it is commonly installed in MCCs, motor control panels, automation cabinets, processing equipment, pump systems, and facility distribution panels where dependable protection is needed. Common replacements include Eaton HFD3030, Cutler-Hammer HFD3030, and Westinghouse HFB3030.