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Westinghouse JB21250SM - Molded Case Breaker 250A 600V

Westinghouse
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The Westinghouse JB21250SM is a molded case circuit breaker from the AB DE-ION family, designed for instantaneous magnetic-only protection in industrial power distribution systems. It is rated for 600V AC, 250A, and 1-phase operation, with a 22kA interrupting capacity at 480V, and features a 2-pole, feed-thru connection configuration. This unit weighs 17 lb and is constructed for robust, reliable overcurrent protection without thermal elements. It complies with industry standards for molded case breakers, making it suitable for motor control centers and other heavy-load applications where precise magnetic trip characteristics are required.

Key Features & Specifications
  • Type: Molded Case, AB DE-ION Family
  • Functions: I - Instantaneous
  • Voltage Rating: 600V AC
  • Current Rating: 250A
  • Poles: 2
  • Phase: 1
  • Connection: Feed-Thru
  • Protection: Magnetic Only
  • AIC Rating: 22kA@480V
  • Weight: 17 lb
  • Circuit Breaker Mounting Style: Fixed
  • Terminal Connection: Feed-Thru
  • Standards: Industry standard for molded case breakers
  • Installation Type: Panel mount
  • Breaker Frame: JB


Product Identification
  • UPC: Not available
  • GTIN: Not available