Westinghouse Electric Corporation HKB3150T Circuit Breaker

The Westinghouse HKB3150T Circuit Breaker is a 3-pole device designed for 600 V AC three-phase power distribution. Rated at 150 A with an 18 kA interrupt rating, its thermal-magnetic trip mechanism provides overcurrent and short-circuit protection for industrial switchgear, motor control centers, and commercial electrical panels. This panel- and switchgear-mounted breaker is intended for use in industrial electrical protection systems that require reliable interruption of fault currents in power distribution and motor protection applications. Common replacements include Eaton HKB3150T, Cutler-Hammer HKB3150T, and Westinghouse HKD3150F.