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Cutler Hammer HFD3040WBP10 - Molded Case Circuit Breaker, 40A 3P 600V

Cutler Hammer
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Cutler Hammer HFD3040WBP10 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in three-phase industrial power distribution systems. It features a 40A continuous current rating and a 600V AC voltage rating, housed within a robust F-frame construction with a bolt-on connection for secure panel mounting. This thermal magnetic breaker complies with industry standards for circuit protection, utilizing a long-time and instantaneous (LI) trip function to safeguard against both overloads and high-level faults. Its 65kA interrupting rating at 480V AC makes it suitable for demanding applications such as industrial control panels, motor control centers, and main feeder circuits.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Series C, HFD Type, Thermal Magnetic Protection
  • Voltage Rating: 600V AC
  • Current Rating: 40A
  • Frame Size: F Frame
  • Poles: 3
  • Phase: 3-Phase
  • Connection: Bolt-On
  • Protection Functions: LI (Long-Time and Instantaneous)
  • AIC Rating: 65kA @ 480V AC
  • Weight: 4 lb
  • Standards: Designed to meet applicable industry circuit protection standards
  • Applications: Industrial power distribution, motor control centers, panelboards, and main feeder protection
  • Note: Lugs are not included; consult wiring specifications for lug part number.


Product Identification
  • Manufacturer Part Number: HFD3040WBP10