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Westinghouse JB3250SK - Molded Case 250A 600V 3-Pole

Westinghouse
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Westinghouse JB3250SK Circuit Breaker - Molded Case 250A 600V 3-Pole The Westinghouse JB3250SK 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 600V AC and 250A, with an interrupting capacity of 22kA at 480V, and operates on a 3-phase system. This bolt-on unit weighs 19 lb and features a fixed mounting configuration with a Type JB frame. The breaker complies with Federal Specification W-C-375b Class 19a for molded case circuit breakers. It is suited for applications requiring reliable short circuit protection in commercial and industrial electrical environments.

Key Features & Specifications
  • Type: JB
  • Manufacturer: Westinghouse
  • Item Subcategory: Molded Case
  • Family: AB DE-ION
  • Functions: I - Instantaneous
  • Voltage Rating: 600V
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Magnetic Only
  • AIC rating: 22kA@480V
  • Phase: 3
  • Current Rating: 250A
  • Weight: 19 lb
  • Mounting Type: Fixed
  • Series/Frame: JB
  • Trip Unit: Thermal Magnetic
  • Federal Specification: W-C-375b Class 19a


Part Number: JB3250SK