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Cutler Hammer HFD1020 - Molded Case Circuit Breaker 20A 1P 277V AC

Cutler Hammer
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Cutler Hammer HFD1020 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in industrial electrical systems. It features a 20A current rating and a 277V AC voltage rating, housed within a compact 225A frame with dimensions of 3.38" x 6" x 1.38" (LxHxW) and a weight of 1.65 lb. This thermal-magnetic, single-pole, bolt-on breaker is constructed for compliance with UL, CSA, and IEC standards, ensuring safe operation within a temperature range of -4°F to 158°F. It is engineered for use in motor control centers, switchboards, and enclosed controls, offering a 65kA interrupting capacity at 277V for robust fault protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, Bolt-On Connection
  • Voltage Rating: 277V AC
  • Current Rating: 20A
  • Frame Size: 225A/F
  • Poles: 1
  • AIC Rating: 65kA @ 277V
  • Functions: Long-Time and Instantaneous (LI)
  • Connection: Bolt-On, Load Side Lug Terminal
  • Standards/Certification: UL Listed, CSA Certified, IEC Rated
  • Operating Temperature: -4°F to 158°F (-20°C to 70°C)
  • Dimensions: 3.38 in (D) x 6 in (H) x 1.38 in (W)
  • Weight: 1.65 lb
  • Wire Size Range: 14 AWG to 1/0 AWG
  • Phase: 1
  • Phase Connection: AB
  • Compatible Panel Types: Allen Bradley MCC, Eaton MCC, Rockwell Automation Enclosed Control, Switchboard, Westinghouse
  • Family: Series C
  • Country of Origin: Dominican Republic


Product Identification
  • UPC: 786679175262
  • GTIN: 00786679175262