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Westinghouse RJ2125 - MCCB 125A 2-Pole 600V

Westinghouse
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Westinghouse RJ2125 is a 2-pole molded case circuit breaker from the J Series, designed for low voltage power distribution systems requiring reliable overload and short circuit protection. It is rated for 600V AC and 125A, with a thermal magnetic protection mechanism providing LI (Long-Time and Instantaneous) trip functions. This bolt-on unit weighs 18 lb and features a compact molded case construction suitable for branch circuit and feeder protection in industrial and commercial installations. The breaker carries an interrupting rating of 22kA at 480V and is a single-phase device. It is commonly applied in panelboards, switchboards, and motor control centers where dependable circuit interruption is essential.

Key Features & Specifications
  • Manufacturer: Westinghouse
  • Item Subcategory: Molded Case
  • Family: J Series
  • Type: RJ
  • Weight: 18 lb
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 600V
  • Poles: 2
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC rating: 22kA@480V
  • Phase: 1
  • Current Rating: 125A
  • Amperage Rating: 125A
  • Interrupting Rating: 22kA at 480V
  • Circuit Breaker Type: Molded Case Circuit Breaker (MCCB)