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Westinghouse JA21250MW - Molded Case 225A 2-Pole 600V

Westinghouse
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Westinghouse JA21250MW is a 2-pole molded case circuit breaker from the JA Series, designed for instantaneous magnetic-only protection in industrial power distribution and branch circuit applications. It is rated for 225A at 600V AC with an interrupting capacity of 22kA at 480V, utilizing a bolt-on connection for secure installation in low voltage systems. The unit weighs 17 lb and features a compact molded case construction that does not include lugs, requiring separate ordering for wiring terminations. This breaker complies with industry standards for overcurrent protection in single-phase electrical systems. Typical applications include industrial machinery, panelboards, and switchboards requiring reliable short circuit protection without thermal overload sensing.

Key Features & Specifications
  • Manufacturer: Westinghouse
  • Item Subcategory: Molded Case
  • Family: JA Series
  • Type: JA
  • Weight: 17 lb
  • Functions: I - Instantaneous
  • Voltage Rating: 600V
  • Poles: 2
  • Connection: Bolt-On
  • Protection: Magnetic Only
  • AIC rating: 22kA@480V
  • Phase: 1
  • Current Rating: 225A
  • Amperage Rating: 250A at 40 degrees C
  • Voltage Rating: 600V AC / 250V DC
  • Frame Style: Molded Case
  • Trip Unit: Thermal Magnetic Fixed Trip


Part Number: JA21250MW