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Westinghouse HFB3045L - 45A 3-Pole Molded Case Circuit Breaker 600V

Westinghouse
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Westinghouse HFB3045L 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 45A continuous current at 600VAC, with an interrupting capacity of 25kA at 480VAC, and utilizes a thermal-magnetic trip mechanism providing LI (Long-Time and Instantaneous) protection functions. The unit features a feed-thru connection configuration, weighs 11 lb, and is constructed for robust performance in demanding environments. This breaker complies with applicable industry standards for molded case circuit breakers. It is suited for use in panelboards, switchboards, and motor control centers requiring reliable branch circuit protection.

Key Features & Specifications
  • Type: Molded Case, Thermal Magnetic, LI (Long-Time and Instantaneous) protection
  • Voltage Rating: 600V
  • Current Rating: 45A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 25kA@480V
  • Connection: Feed-Thru
  • Weight: 11 lb
  • Family: MARK 75
  • Functions: LI - Long-Time and Instantaneous