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Westinghouse JA31250M - Molded Case Breaker 225A 3-Pole 600V

Westinghouse
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The Westinghouse JA31250M is a three-pole molded case circuit breaker from the JA Series, designed for instantaneous magnetic-only protection in industrial power distribution systems. It is rated for 225A continuous current at 600VAC, with an interrupting capacity of 22kA at 480V, and features a bolt-on connection for secure panel mounting. Weighing 19 lb, this compact unit is constructed for reliable overcurrent protection without thermal delay, making it suitable for motor circuits and feeder applications where short-circuit protection is prioritized. The breaker complies with industry standards for molded case breakers and is typically used in switchboards, panelboards, and industrial control panels requiring high fault current handling.

Key Features & Specifications
  • Type: Molded Case, Magnetic Only
  • Voltage Rating: 600V
  • Current Rating: 225A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 22kA@480V
  • Connection: Bolt-On
  • Protection: Instantaneous (I)
  • Weight: 19 lb
  • Family: JA Series
  • Functions: I - Instantaneous


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