Westinghouse FB3070L is a 3-pole molded case circuit breaker rated for 70 A and 600 V, part of the FB Frame family with thermal-magnetic overcurrent protection. It is designed for industrial power distribution and branch-circuit protection in motor control centers, switchboards, and automation panels, compatible with 50/60 Hz systems. This panel- or switchboard-mounted device provides overcurrent and short-circuit protection for three‑phase networks, suitable for MCCs, conveyors, HVAC infrastructure, automation machinery, and related equipment. Common replacements include Eaton FB3070L, Siemens HFB3070, and Square D FA3470.
