Westinghouse HFB3045ML Molded Case Circuit Breaker

The Westinghouse HFB3045ML is a 5 Amp, 3-pole molded case circuit breaker designed for industrial power distribution and motor control systems. Commonly installed in automation panels, manufacturing equipment, HVAC systems, conveyor assemblies, and processing machinery, it provides reliable overload and short-circuit protection for 3‑phase circuits. Technical specs include 600 VAC, 50/60 Hz operation, thermal-magnetic trip, bolt-on mounting, and the HFB frame series construction. It is intended for branch circuit protection in MCCs and industrial control panels, and is used by maintenance teams, OEMs, and system integrators for retrofit projects and equipment replacement. Common replacements include Westinghouse HFB3015L.