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Westinghouse 371D957G77 - Molded Case Breaker 225A 600V 3-Pole

Westinghouse
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Westinghouse 371D957G77 JA Series is a 3-pole molded case circuit breaker designed for instantaneous magnetic-only protection in industrial power distribution systems. It is rated for 600V AC, 225A continuous current, and an interrupting capacity of 22kA at 480V AC, with a bolt-on connection and three-phase operation. Weighing 19 lb, this unit features a compact molded case construction and provides instantaneous trip response without thermal protection. It complies with applicable industry standards for molded case circuit breakers and is intended for use in panelboards, switchboards, and motor control centers requiring high-fault current interruption.

Key Features & Specifications
  • Type: Molded Case, JA Series, Magnetic Only
  • Voltage Rating: 600V AC
  • Current Rating: 225A
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Magnetic Only (Instantaneous)
  • AIC rating: 22kA@480V
  • Phase: 3
  • Functions: I - Instantaneous
  • Weight: 19 lb
  • Additional Info: This item does not include Lugs.


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