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Eaton HFD1040LBP10 - Molded Case 40A 277V AC Circuit Breaker

Cutler Hammer
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Eaton HFD1040LBP10 is a 1-pole molded case circuit breaker from the Series C family, designed for thermal magnetic protection with long-time and instantaneous (LI) trip functions. It is rated for 40A continuous current at 277V AC, with a high interrupting capacity of 65kA at 277V AC, and operates on a single-phase system. The unit features a compact F Frame size, feed-thru connection, and weighs 2 lb, constructed for reliable overcurrent protection in industrial environments. This breaker complies with applicable UL and NEMA standards for molded case circuit breakers. Typical applications include branch circuit protection in commercial and industrial power distribution panels, motor control centers, and switchboards.

Key Features & Specifications
  • Type: Molded Case, Thermal Magnetic, LI (Long-Time and Instantaneous) trip
  • Voltage Rating: 277 ACV
  • Current Rating: 40A
  • AIC Rating: 65kA@277V
  • Poles: 1
  • Phase: 1
  • Frame Size: F Frame
  • Connection: Feed-Thru
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Weight: 2 lb
  • Family: Series C
  • Item Subcategory: Molded Case