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Cutler Hammer HFB3045 - Molded Case 45A 600V 3-Pole

Cutler Hammer
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Cutler Hammer HFB3045 is a three-pole molded case circuit breaker designed for overcurrent protection in industrial power distribution systems. It operates at a maximum voltage rating of 600V and a continuous current rating of 45A, providing thermal-magnetic protection with long-time and instantaneous (LI) trip functions. The unit weighs 11 lb and features a bolt-on connection style, belonging to the MARK 75 family with a compact molded case construction. This breaker is UL-listed and complies with industry standards for reliable performance in demanding environments. Typical applications include motor control centers, panelboards, and switchboards in commercial and industrial facilities.

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


Product Identification
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