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Westinghouse HFB1050L - Molded Case Breaker 50A 1P (65kA AIC)

Westinghouse
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Westinghouse HFB1050L is a molded case circuit breaker designed for providing reliable overcurrent protection in industrial and commercial electrical systems. It features a 50A current rating and a 277V AC voltage rating, housed in a compact, single-pole feed-thru configuration with a weight of 1 lb. This thermal magnetic breaker complies with industry standards and offers an interrupting capacity of 65kA at 277V, utilizing a long-time and instantaneous (LI) trip function for precise protection. It is engineered for integration into panelboards and switchboards within the MARK 75 family, suitable for a wide range of single-phase applications.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection, Feed-Thru Connection
  • Voltage Rating: 277V AC
  • Current Rating: 50A
  • Poles: 1
  • Phase: 1
  • AIC Rating: 65kA @ 277V
  • Functions: LI (Long-Time and Instantaneous)
  • Family: MARK 75
  • Breaker Type: HFB
  • Weight: 1 lb