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Westinghouse HFB3150V - Molded Case 150A 3-Pole 600V

Cutler Hammer
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Westinghouse HFB3150V is a three-pole molded case circuit breaker from the MARK 75 family, designed for overcurrent protection in industrial power distribution systems. It is rated for 150A continuous current at 600VAC, with a 25kA interrupting capacity at 480VAC, and employs thermal-magnetic protection with LI (Long-Time and Instantaneous) trip functions. This bolt-on unit weighs 11 lb and is constructed for three-phase applications. It complies with applicable industry standards for molded case circuit breakers. Typical applications include feeder and branch circuit protection in commercial and industrial switchboards, panelboards, and motor control centers.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, MARK 75 family, HFB frame, thermal-magnetic protection
  • Voltage Rating: 600V AC
  • Current Rating: 150A
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic (LI - Long-Time and Instantaneous)
  • AIC Rating: 25kA @ 480V
  • Weight: 11 lb
  • Functions: LI - Long-Time and Instantaneous
  • Standards: Complies with applicable industry standards for molded case circuit breakers
  • Applications: Feeder and branch circuit protection in commercial and industrial switchboards, panelboards, and motor control centers