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Westinghouse JB31750SM - Molded Case 250A 600V 3-Pole

Westinghouse
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The Westinghouse JB31750SM is a 3-pole molded case circuit breaker from the AB DE-ION family, designed for instantaneous magnetic-only protection of electrical circuits. It is rated for 600V AC, 250A continuous current, and has an interrupting capacity of 22kA at 480V, with a bolt-on connection for secure installation. Weighing 19 lb, this Type JB unit features a compact frame and is built for 3-phase systems. It complies with industry standards for overcurrent protection in industrial environments. Typical applications include motor control centers and distribution panels requiring high fault current interruption.

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