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Westinghouse JB2250K - Molded Case Breaker 250A 2-Pole

Westinghouse
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Westinghouse JB2250K is a 250 Amp 2-Pole molded case circuit breaker from the AB DE-ION family, designed for instantaneous magnetic-only protection in low voltage distribution systems. It operates at a voltage rating of 600V and a current rating of 250A, with an interrupting capacity of 22kA at 480V. This bolt-on unit weighs 17 lb and features a single-phase, 2-pole configuration with a Type JB frame. The breaker meets Class 19a circuit breaker requirements as defined by Federal Specification W-C-375b and is UL listed for safety and performance. Typical industrial applications include motor control centers, panelboards, and switchboards requiring reliable overcurrent protection.

Key Features & Specifications
  • Manufacturer: Westinghouse
  • Part Number: JB2250K
  • Amperage: 250 Amps
  • Poles: 2
  • Voltage Rating: 600V
  • Interrupt Rating: 22kA@480V
  • Type: Molded Case Circuit Breaker
  • Protection: Magnetic Only
  • Functions: I - Instantaneous
  • Connection: Bolt-On
  • Phase: 1
  • Weight: 17 lb
  • Family: AB DE-ION
  • Certifications: UL Listed