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Westinghouse 371D957G66 - Molded Case Breaker 225A 2-Pole

Westinghouse
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Westinghouse 371D957G66 is a JA Series molded case circuit breaker designed for instantaneous magnetic-only protection of electrical circuits. This 2-pole, single-phase unit is rated for 225A at 600V and provides a 22kA interrupting capacity at 480V, utilizing a bolt-on connection for secure installation. The breaker weighs 17 lb and features a compact molded case construction suitable for industrial environments. It is compliant with UL, NEMA, and CSA standards for reliable overcurrent protection. Typical applications include motor control centers, panelboards, and other commercial or industrial power distribution systems where magnetic-only tripping is required.

Key Features & Specifications
  • Type: Molded Case
  • Family: JA Series
  • Type: JA
  • Functions: I - Instantaneous
  • Voltage Rating: 600V
  • Poles: 2
  • Connection: Bolt-On
  • Protection: Magnetic Only
  • AIC rating: 22kA@480V
  • Phase: 1
  • Current Rating: 225A
  • Weight: 17 lb
  • Standards: UL, NEMA, CSA compliant
  • Additional Info: This item does not include Lugs