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Westinghouse JB21250MW - Molded Case Breaker 250A 2-Pole 600V

Westinghouse
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Westinghouse JB21250MW is a Type JB molded case circuit breaker from the AB DE-ION family, designed for instantaneous magnetic-only protection in low voltage distribution systems. It is rated for 600V AC, 250A continuous current, and provides an interrupting capacity of 22kA at 480V AC in a single-phase, 2-pole configuration. The unit weighs 17 lb and features a bolt-on connection style, though it does not include lugs. This breaker complies with Federal Specification W-C-375b Class 19a and is UL Listed for reliable fault interruption in industrial and commercial applications.

Key Features & Specifications
  • Manufacturer: Westinghouse
  • Model: JB21250MW
  • Type: JB
  • Family: AB DE-ION
  • Functions: I - Instantaneous
  • Protection: Magnetic Only
  • Voltage Rating: 600V AC
  • Current Rating: 250 A
  • Number of Poles: 2
  • Phase: 1
  • Interrupting Rating: 22kA@480V
  • Connection: Bolt-On
  • Weight: 17 lb
  • UL Listed
  • Federal Specification: W-C-375b Class 19a
  • Additional Info: This item does not include Lugs