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Westinghouse KB3125S - Molded Case 125A 600V 3-Pole

Westinghouse
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Westinghouse KB3125S is a 3-pole molded case circuit breaker designed for thermal-magnetic overcurrent protection in industrial power distribution systems. It is rated for 600V AC, 125A continuous current, and provides LI (Long-Time and Instantaneous) trip functions with a 22kA interrupting capacity at 480V. This bolt-on unit weighs 19 lb and is constructed as part of the AB DE-ION family with a Type KB frame. It complies with industry standards for molded case circuit breakers and is suitable for 3-phase applications requiring reliable fault isolation and overload protection.

Key Features & Specifications
  • Type: Molded Case, Thermal Magnetic
  • Voltage Rating: 600V
  • Current Rating: 125A
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC rating: 22kA@480V
  • Phase: 3
  • Functions: LI - Long-Time and Instantaneous
  • Family: AB DE-ION
  • Type: KB
  • Weight: 19 lb


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