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Westinghouse HFB2045L - Molded Case 45A 600V 2-Pole

Westinghouse
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Westinghouse HFB2045L is a molded case circuit breaker designed for overcurrent protection in industrial power distribution systems. This two-pole unit is rated for 45A at 600V, providing long-time and instantaneous (LI) protection via a thermal magnetic trip mechanism. The breaker features a feed-thru connection, weighs 6 lb, and is part of the MARK 75 family with a 25kA interrupting capacity at 480V for single-phase applications. It complies with industry standards for molded case circuit breakers, ensuring reliable performance in demanding environments. Typical applications include motor control centers, panelboards, and switchboards requiring robust circuit protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic, MARK 75 Family
  • Voltage Rating: 600V
  • Current Rating: 45A
  • Poles: 2
  • Phase: 1
  • AIC Rating: 25kA@480V
  • Connection: Feed-Thru
  • Protection: LI - Long-Time and Instantaneous
  • Weight: 6 lb
  • Standards: Industry standard molded case breaker compliance
  • Applications: Industrial power distribution, motor control centers, panelboards


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