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Eaton Cutler Hammer HFB1030 - Molded Case Circuit Breaker (30A, 277V, 1-Pole)

Cutler Hammer
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Eaton Cutler Hammer HFB1030 is a molded case circuit breaker designed for providing reliable overcurrent protection in industrial and commercial electrical systems. It features a 30A current rating and a 277V AC voltage rating, suitable for single-phase applications. The breaker is constructed as a compact, 1-pole unit with a bolt-on connection and a thermal magnetic protection mechanism that combines long-time and instantaneous (LI) trip functions. It complies with industry standards for safety and performance, offering an interrupting capacity of 65kA at 277V. Typical applications include protection for feeders, branch circuits, and equipment within industrial control panels and distribution boards.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection, LI (Long-Time and Instantaneous) Functions
  • Voltage Rating: 277V AC
  • Current Rating: 30A
  • Poles: 1
  • Phase: 1
  • Connection: Bolt-On
  • AIC Rating: 65kA @ 277V
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Family: MARK 75
  • Type: HFB
  • Item Subcategory: Molded Case
  • Weight: 1 lb


Product Identification
  • Manufacturer: Eaton
  • Model: HFB1030