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Westinghouse HFB3100L - 3-Pole 100A Molded Case Breaker

Westinghouse
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Westinghouse HFB3100L is a 3-pole molded case circuit breaker from the MARK 75 family, designed for overcurrent protection in industrial power distribution systems. It carries a 100A current rating with a maximum voltage rating of 600V AC and provides LI (Long-Time and Instantaneous) protection functions via a thermal magnetic trip mechanism. This unit weighs 11 lb, uses a feed-thru connection, and is constructed for bolt-on mounting in panelboards and switchgear. It is UL Listed and delivers a 25kA interrupting capacity at 480V for high-fault applications. Typical applications include three-phase industrial circuit protection where reliable short-circuit and overload isolation is required.

Key Features & Specifications
  • Type: HFB
  • Family: MARK 75
  • Poles: 3
  • Current Rating: 100A
  • Voltage Rating: 600V
  • Interrupt Rating: 25kA @ 480V
  • Functions: LI - Long-Time and Instantaneous
  • Protection: Thermal Magnetic
  • Connection: Feed-Thru
  • Mounting Type: Bolt-On
  • Phase: 3
  • Weight: 11 lb
  • UL Listed


Part Number: HFB3100L