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Westinghouse JB31250MW - Molded Case 250A 600V 3-Pole

Westinghouse
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Westinghouse JB31250MW 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 250A at 600V AC maximum, with a high interrupting capacity of 22kA at 480V AC. The unit features a bolt-on connection, weighs 19 lb, and is built for 3-phase applications. It complies with UL listing and meets Federal Specification W-C-375b for Class 19a circuit breaker requirements. This breaker is suited for demanding industrial and commercial environments requiring reliable overcurrent protection.

Key Features & Specifications
  • Type: Molded Case
  • Family: AB DE-ION
  • Type: JB
  • Weight: 19 lb
  • Functions: I - Instantaneous
  • Voltage Rating: 600V
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Magnetic Only
  • AIC rating: 22kA@480V
  • Phase: 3
  • Current Rating: 250A
  • Amperage: 250A
  • Voltage Rating: 600V AC maximum
  • Number of Poles: 3
  • Mounting Type: Bolt-On
  • Interrupt Rating: 22,000 A at 480V AC
  • Series/Frame: JB Series
  • Certifications: UL Listed, Meets Federal Specification W-C-375b


JB31250MW