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Westinghouse RJ3225K - Molded Case 225A 3-Pole Breaker

Westinghouse
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Westinghouse RJ3225K is a 3-pole molded case circuit breaker from the J Series, designed for instantaneous magnetic-only protection in industrial power distribution systems. It is rated for 225 amps at 600 volts AC, with a high interrupting capacity of 22kA at 480 volts, and features a bolt-on connection for secure panel mounting. Weighing 20 lb, this three-phase unit utilizes a magnetic-only trip mechanism to provide precise short-circuit protection without thermal delay. The breaker complies with industry standards for robust fault current interruption in commercial and industrial environments. Typical applications include motor control centers, switchboards, and feeder circuits requiring reliable overcurrent isolation.

Key Features & Specifications
  • Type: RJ
  • Manufacturer: Westinghouse
  • Item Subcategory: Molded Case
  • Family: J Series
  • Weight: 20 lb
  • Functions: I - Instantaneous
  • Voltage Rating: 600V
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Magnetic Only
  • AIC rating: 22kA@480V
  • Phase: 3
  • Current Rating: 225A
  • Interrupt Rating: 22kA at 480V
  • Application: Industrial/Commercial Circuit Protection