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Westinghouse JB31250SM - Molded Case Circuit Breaker 250A 600V

Westinghouse
Price
Save $-1,095.83
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Westinghouse JB31250SM is a 3-pole 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 250 amps at 600V AC, with a 22kA interrupting capacity at 480V, and operates on a 3-phase system. The unit weighs 19 lb and features a bolt-on connection type for secure mounting in panelboards. This breaker complies with UL listing standards for low voltage applications. Typical uses include protecting motors, transformers, and other equipment in commercial and industrial settings where short-circuit protection is required without thermal overload tripping.

Key Features & Specifications
  • Type: Molded Case
  • Family: AB DE-ION
  • Type: JB
  • Functions: I - Instantaneous
  • Voltage Rating: 600V
  • Current Rating: 250A
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • Protection: Magnetic Only
  • AIC Rating: 22kA at 480V
  • Weight: 19 lb
  • UL Listed