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HKB31000TM

Westinghouse
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Westinghouse HKB31000TM is a 3-pole circuit breaker from the MARK 75 family, designed for instantaneous magnetic-only protection in industrial electrical systems. It is rated for 600V AC and 250 amps, providing precise overcurrent interruption for sensitive equipment. The unit weighs 2 lb and is compatible with KB and HKB frames, featuring a compact construction for panelboard integration. This breaker complies with industry standards for reliable performance in demanding environments. It is typically used in manufacturing facilities, commercial power distribution, and motor control centers requiring instantaneous trip response.

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: 3
  • Amperage Minimum: 250
  • Protection: Magnetic Only
  • Compatible Frames: KB, HKB
  • Amperage Maximum: 250
  • Part Number: HKB31000TM
  • Trip Unit: Thermal Magnetic


Westinghouse HKB31000TM - Magnetic Only Circuit Breaker 250A 600V