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Westinghouse 371D957G70 - Molded Case Breaker 225A 600V 2-Pole

Westinghouse
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The Westinghouse 371D957G70 is a JA Series molded case circuit breaker designed for instantaneous magnetic-only protection in industrial power distribution systems. This 2-pole, 1-phase unit is rated for 225A at 600VAC with an interrupting capacity of 22kA at 480VAC, utilizing a bolt-on connection for secure panel mounting. Constructed with a robust molded case, the breaker weighs 17 lb and features an instantaneous trip function (I) that responds solely to short-circuit currents without thermal overload protection. It complies with applicable industry standards for molded case circuit breakers, ensuring reliable performance in demanding environments. Typical applications include motor control centers, switchboards, and industrial machinery where magnetic-only protection is required to isolate fault currents rapidly.

Key Features & Specifications
  • Type: Molded Case, JA Series, Magnetic Only
  • Voltage Rating: 600V AC
  • Current Rating: 225A
  • Poles: 2
  • Phase: 1
  • Connection: Bolt-On
  • Protection: Magnetic Only (Instantaneous)
  • AIC Rating: 22kA@480V
  • Functions: I - Instantaneous
  • Weight: 17 lb
  • Additional Info: This item does not include lugs.


Product Identification
  • Manufacturer: Westinghouse
  • Model: 371D957G70
  • Family: JA Series
  • Type: JA