Westinghouse WB1P-20A-120V-SinglePole Circuit Breaker

The Westinghouse WB1P-20A-120V-SinglePole Circuit Breaker is a 20 Amp, 120 VAC molded‑case breaker designed for overcurrent protection and circuit interruption in residential, commercial, and industrial electrical distribution systems. This 1‑pole, thermal‑magnetic device provides branch‑circuit protection in panelboards and load centers, with mounting options that include plug‑in or bolt‑on depending on the series. As an industrial‑grade molded‑case breaker, it supports use in commercial buildings, industrial facilities, control panels, lighting systems, and power distribution equipment where reliable power distribution and safety are critical. Common replacements include Eaton BR120, Siemens Q120, and Square D QO120, with typical series compatibility to Quicklag, BR, QP, or E‑Series depending on model.