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Westinghouse HKA31750TM - Molded Case Circuit Breaker 175A 600V 3-Pole

Westinghouse
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Westinghouse HKA31750TM is a molded case circuit breaker designed for reliable circuit protection in electrical distribution systems. This three-pole unit is rated for 600V AC and 225 amps, utilizing magnetic-only protection with an instantaneous trip function for precise short-circuit interruption. The breaker weighs 2 lb and is part of the MARK 75 family, compatible with KA and HKA frames for secure mounting in industrial panels. It is built to meet industry standards for robust interrupting capacity in demanding environments. Typical applications include industrial and commercial electrical systems requiring dependable magnetic-only protection.

Key Features & Specifications
  • Manufacturer: Westinghouse
  • Item Subcategory: Trip Units & Programmers
  • Family: MARK 75
  • Type: HKA
  • Weight: 2 lb
  • Functions: I - Instantaneous
  • Voltage Rating: 600V
  • Poles: 3
  • Amperage Minimum: 225
  • Protection: Magnetic Only
  • Compatible Frames: KA, HKA
  • Amperage Maximum: 225
  • Amperage: 175 Amps
  • Voltage: 600 VAC
  • Number of Poles: 3
  • Type: Molded Case Circuit Breaker
  • Series/Frame: HKA
  • Trip Unit: Thermal Magnetic
  • Interrupt Rating: Up to 65,000 AIC at 240 VAC
  • Mounting Type: Load Side Lugs