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Westinghouse KB3125 - 125A 3-Pole Molded Case Circuit Breaker

Westinghouse
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Westinghouse KB3125 is a molded case circuit breaker designed for providing reliable overcurrent protection in three-phase industrial electrical systems. It features a 125A current rating and a 600V AC voltage rating, housed within a robust 19 lb molded case with a bolt-on connection for secure installation. This UL Listed breaker utilizes a thermal-magnetic protection mechanism, combining long-time and instantaneous (LI) trip functions to safeguard against both overloads and short circuits, and it offers an interrupting capacity of 22kA at 480V. It is engineered for compliance with industry standards and is typically applied in panelboards, switchboards, and industrial control equipment.

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