The Westinghouse HFA31550M is a 100 A molded case circuit breaker rated for 480 V and three‑phase systems. As part of the HFA series, it provides thermal‑magnetic overcurrent protection with a 25 kA interrupt rating at 50/60 Hz, suitable for branch circuits in switchboards, motor control centers (MCCs), and industrial automation equipment. Designed for panel or switchboard mounting, it serves industrial power distribution and motor control needs in applications such as HVAC infrastructure, conveyors, and manufacturing equipment.
