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Westinghouse 371D957G75 - JA Series 225A 3-Pole Molded Case Breaker

Westinghouse
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The Westinghouse 371D957G75 is a JA Series molded case circuit breaker designed for magnetic-only instantaneous protection in industrial power distribution systems. It is rated for 600V AC, 225A, and 3-phase operation, with a 22kA interrupting capacity at 480V AC. This 3-pole, bolt-on unit weighs 19 lb and features a compact molded case construction for panelboard installation. It complies with applicable industry standards for overcurrent protection in commercial and industrial environments. Typical applications include motor control centers, switchboards, and branch circuit protection where instantaneous trip response is required.

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


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