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Westinghouse HKB21250TM - Circuit Breaker 250A 600V 2-Pole

Westinghouse
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Westinghouse HKB21250TM is a 2-pole molded case circuit breaker from the MARK 75 family, designed for instantaneous magnetic-only overcurrent protection in industrial power distribution systems. It is rated for 250 amps continuous at 600 volts AC maximum, with a 15,000 amp symmetrical interrupting capacity at 600 volts. This unit weighs 2 lb and is constructed as a trip unit and programmer compatible with KB and HKB frames, featuring a 2-pole configuration with included load terminals. It is part of the AB DE-ION series and complies with industry standards for heavy-duty circuit protection. Typical applications include motor protection and three-phase power systems requiring reliable short circuit interruption.

Key Features & Specifications
  • Manufacturer: Westinghouse
  • Item Subcategory: Trip Units & Programmers
  • Family: MARK 75
  • Type: HKB
  • Weight: 2 lb
  • Functions: I - Instantaneous
  • Voltage Rating: 600V
  • Poles: 2
  • Amperage Rating: 250 Amps continuous at 40 degrees Celsius
  • Protection: Magnetic Only
  • Compatible Frames: KB, HKB
  • Interrupt Rating: 15,000 Amps symmetrical at 600 Volts
  • Load Terminals: Included
  • Series: AB DE-ION


Part Number: HKB21250TM