Westinghouse FB-3020 Molded Case Circuit Breaker

The Westinghouse FB-3020 Molded Case Circuit Breaker provides reliable, three‑phase overcurrent protection for 20 A circuits in industrial power distribution and equipment protection, delivering a compact, panel‑mounted solution for critical electrical infrastructure. This 3‑pole device, part of the FB frame family, is designed for panel or switchboard mounting and uses a thermal‑magnetic trip to guard branch circuits up to 600 V at 50/60 Hz, with applications in motor control centers, switchgear, HVAC, conveyors, and automation panels. Key specifications include Brand: Westinghouse; Part Numbers FB3020 / FB-3020; Current Rating: 20 A; Voltage Rating: 600 V; Poles: 3; Phase: 3‑phase; Type: Molded Case Circuit Breaker; Mounting Style: Panel or switchboard; Function: Overcurrent and short‑circuit protection. Common cross‑references for retrofit or replacement include Eaton FB3020, Siemens HFB3020, and Square D FA3420.