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Westinghouse HKB3100 - 100A 3-Pole Molded Case Circuit Breaker

Westinghouse
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The Westinghouse HKB3100 is a 3-pole molded case circuit breaker designed for overcurrent protection in industrial power distribution systems. It provides thermal-magnetic protection with long-time and instantaneous (LI) trip functions, rated for 100A at 600V AC and 3-phase operation. This bolt-on breaker features a compact frame from the MARK 75 family, weighing 19 lb, and is constructed for robust performance in panelboards and switchboards. It complies with industry standards for interrupting capacity, offering a 25kA AIC rating at 480V, making it suitable for commercial and light industrial applications requiring reliable fault interruption.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic
  • Voltage Rating: 600V AC
  • Current Rating: 100A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 25kA@480V
  • Connection: Bolt-On
  • Protection: LI - Long-Time and Instantaneous
  • Family: MARK 75
  • Weight: 19 lb
  • Functions: LI - Long-Time and Instantaneous