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Westinghouse HKB3090 - Molded Case Circuit Breaker 90A 600V 3P

Westinghouse
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Westinghouse HKB3090 is a molded case circuit breaker designed for providing reliable overcurrent protection in three-phase industrial electrical systems. It features a 90A current rating and a 600V voltage rating, housed within a robust 19 lb frame that utilizes a bolt-on connection for secure installation. This unit complies with industry standards for thermal-magnetic protection, incorporating both long-time and instantaneous (LI) trip functions to safeguard against overloads and short circuits. Its 25kA interrupting capacity at 480V makes it suitable for protecting feeders, branch circuits, and motor applications in commercial and industrial facilities.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection
  • Voltage Rating: 600V AC
  • Current Rating: 90A
  • Frame: MARK 75 Family, HKB Type
  • Poles: 3
  • Phase: 3-Phase
  • Connection: Bolt-On
  • Protection Functions: LI (Long-Time and Instantaneous)
  • AIC Rating: 25kA @ 480V AC
  • Approximate Weight: 19 lb