Westinghouse HFB3090 Molded Case Circuit Breaker

The Westinghouse HFB3090 Molded Case Circuit Breaker is a 90 Amp, 3‑pole device built for industrial power distribution and motor-control systems. This molded case breaker provides overload and short‑circuit protection for 3‑phase circuits in MCCs, processing equipment, and facility distribution panels. Key specs include 600 VAC operating voltage, 25 kA interrupt rating, and a thermal‑magnetic trip characteristic for reliable protection in industrial environments. It mounts bolt‑on and is part of the HFB frame series, designed for branch circuit protection in industrial control panels and equipment racks. Compatible with 50/60 Hz electrical systems, the HFB3090 is intended to safeguard large motors and associated loads in industrial applications. Related models in the same family include HFD3090 and HFB3090L.