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Cutler Hammer HFD3040L - 40A 3-Pole Molded Case Circuit Breaker

Cutler Hammer
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The Cutler Hammer HFD3040L is a three-pole molded case circuit breaker designed to provide reliable overcurrent protection for three-phase industrial power distribution systems. It features a 40A current rating and a 600V AC voltage rating, housed within a compact F-frame design measuring 3.38 in (L) x 6 in (H) x 4.13 in (W) and weighing 4.55 lb. This UL-listed breaker utilizes a thermal-magnetic trip unit for combined long-time and instantaneous protection, offers a 65kA interrupting capacity at 480V, and operates reliably in temperatures from -25°C to 70°C (-13°F to 158°F). Its feed-thru connection and robust construction make it suitable for panelboards, switchboards, and industrial control panels.

Key Features & Specifications
  • Type: HFD Series C, Molded Case, Thermal-Magnetic Trip Unit
  • Voltage Rating: 600V AC
  • Current Rating: 40A
  • Dimensions: 3.38 in x 6 in x 4.13 in (Length/Depth x Height x Width)
  • Weight: 4.55 lb
  • Standards: UL Listed
  • Applications: Industrial power distribution, panelboards, switchboards
  • Phase: 3
  • Poles: 3
  • AIC Rating: 65kA @ 480V
  • Connection: Feed-Thru
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Frame Size: F Frame
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Family: Series C
  • Country of Origin: Dominican Republic


Product Identification
  • UPC: 786679175118
  • GTIN: 00786679175118