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Westinghouse HFB1025 - Molded Case Circuit Breaker 25A 1P 277V

Westinghouse
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Westinghouse HFB1025 is a molded case circuit breaker designed for providing reliable overcurrent protection in industrial and commercial electrical systems. It features a 25A current rating and a 277V AC voltage rating, suitable for single-phase applications. The breaker is constructed as a compact, bolt-on unit with a thermal-magnetic trip mechanism providing both long-time and instantaneous (LI) protection functions. It complies with industry standards for molded case circuit breakers and offers an interrupting capacity of 65kA at 277V. This breaker is typically applied in panelboards, switchboards, and motor control centers for branch circuit and feeder protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, Bolt-On Connection
  • Voltage Rating: 277V AC
  • Current Rating: 25A
  • Poles: 1
  • Phase: 1
  • AIC Rating: 65kA @ 277V
  • Protection Functions: LI (Long-Time and Instantaneous)
  • Family: MARK 75
  • Breaker Type: HFB
  • Weight: 1 lb


Product Identification
  • Manufacturer: Westinghouse
  • Model: HFB1025