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Cutler Hammer HFD1045 - Molded Case Circuit Breaker 45A 277V

Cutler Hammer
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Cutler Hammer HFD1045 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in industrial electrical systems. It features a 45A current rating and a 277V AC voltage rating, housed within a compact F-frame measuring 3.38 in x 6 in x 1.38 in (L/D x H x W) and weighing 4.5 lb. This thermal magnetic, single-pole breaker is UL Listed and offers an interrupting capacity of 65kA at 277V, ensuring compliance with industry safety standards. Its bolt-on connection and operational temperature range of -25°C to 70°C (-13°F to 158°F) make it suitable for demanding applications in commercial and industrial panelboards.

Key Features & Specifications
  • Type: HFD Series C Molded Case Circuit Breaker, Thermal Magnetic Protection
  • Voltage Rating: 277V AC
  • Current Rating: 45A
  • Dimensions: 3.38 in x 6 in x 1.38 in (Length/Depth x Height x Width)
  • Standards: UL Listed
  • Applications: Industrial and Commercial Panelboard Protection
  • Switch Type: Circuit Breaker
  • Configuration: Single Pole
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Phase: 1
  • AIC Rating: 65kA @ 277V
  • Connection: Bolt-On
  • Poles: 1
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Frame Size: F Frame
  • Weight: 4.5 lb
  • Certification: UL Listed


Product Identification
  • UPC: 782114210444
  • GTIN: 00782114210444