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Cutler Hammer HFD1040L - Molded Case Circuit Breaker 40A 277V 1P

Cutler Hammer
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Cutler Hammer HFD1040L is a molded case circuit breaker designed for providing reliable overcurrent protection in industrial and commercial electrical systems. It features a 40A current rating and a 277V AC voltage rating, housed in a compact F-frame design with dimensions of 3.38 in (L) x 6 in (H) x 1.38 in (W) and a weight of 1.5 lb. The breaker is UL Listed and employs a thermal-magnetic protection mechanism with long-time and instantaneous (LI) trip functions for coordinated system protection. Its 65kA interrupting rating at 277V and feed-thru connection make it suitable for a wide range of panelboard and switchboard applications, operating reliably in ambient temperatures from -25°C to 70°C.

Key Features & Specifications
  • Type: HFD Series C Molded Case Circuit Breaker, Thermal-Magnetic Protection
  • Voltage Rating: 277V AC
  • Current Rating: 40A
  • Dimensions: 3.38 in x 6 in x 1.38 in (Length x Height x Width)
  • Standards: UL Listed
  • Applications: Panelboard and Switchboard Protection
  • Switch Type: Circuit Breaker
  • Configuration: Feed-Thru
  • Temp Rating: -25°C to 70°C
  • Phase: 1
  • AIC Rating: 65kA @ 277V
  • Connection: Feed-Thru
  • Poles: 1
  • Protection: Thermal Magnetic
  • Functions: Long-Time and Instantaneous Trip (LI)
  • Frame Size: F Frame
  • Breaker Type: Molded Case
  • Weight: 1.5 lb
  • Country of Origin: Dominican Republic


Product Identification
  • UPC: 786679175538
  • GTIN: 00786679175538