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Westinghouse HKB3175 - Molded Case Circuit Breaker 175A 600V 3-Pole

Westinghouse
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The Westinghouse HKB3175 is a three-pole molded case circuit breaker from the MARK 75 family, designed for overcurrent protection in industrial power distribution systems. It features a thermal-magnetic trip mechanism with LI (Long-Time and Instantaneous) functions, rated for 175A at 600V AC, and provides an interrupting capacity of 25kA at 480V. This bolt-on breaker weighs 19 lb and is constructed for robust, reliable operation in three-phase environments. It complies with industry standards for molded case circuit breakers, making it suitable for protecting feeders, motors, and branch circuits in commercial and industrial facilities.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic
  • Voltage Rating: 600V AC
  • Current Rating: 175A
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • Protection: LI - Long-Time and Instantaneous
  • AIC rating: 25kA@480V
  • Family: MARK 75
  • Weight: 19 lb
  • Functions: LI - Long-Time and Instantaneous


Product Identification
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