Westinghouse Electric QPHW3020H Circuit Breaker

Westinghouse QPHW3020H is a three-pole, 20 A molded‑case circuit breaker designed for industrial power distribution and electrical protection in 240/480 VAC, 50/60 Hz three‑phase systems. It is commonly installed in motor control centers, distribution panels, and manufacturing equipment to protect motors, drives, and other industrial machinery from overloads and faults. The unit features a thermal‑magnetic trip mechanism, a molded‑case frame, and a panel‑mount design with mechanical lug connections for secure wiring; it is rated for industrial duty and suitable for branch circuit and equipment protection in distribution and control panels. Key specifications: Brand Westinghouse, Part Number QPHW3020H, 3 Poles, 20 Amp, 240/480 VAC, Trip Type Thermal Magnetic, Frame Type Molded Case, Mounting Panel, Frequency 50/60 Hz, Phase Type Three Phase, Application Branch Circuit and Equipment Protection, Compatible Installations Distribution Panels and Control Panels. Common replacements include Eaton QBHW3020H and Siemens QOB320 for cross‑reference in compatible industrial power distribution and motor control systems.