Westinghouse HFB3090L Molded Case Circuit Breaker

The Westinghouse HFB3090L Molded Case Circuit Breaker with Shunt Trip is a 90 Amp, 3-pole device for industrial power distribution, rated at 600 VAC and 50/60 Hz, designed to provide overload and short-circuit protection with remote trip capability. With a thermal-magnetic trip and bolt-on mounting in the HFB frame series, this breaker is intended for branch circuits in MCCs, manufacturing equipment, HVAC systems, automation panels, and other industrial control assemblies that require a remote disconnect. Common replacements include Eaton HFD3090 with Shunt Trip, Cutler-Hammer HFD3090 Shunt Trip, and Westinghouse HFB3090.