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Westinghouse HFB1070 - 1P 70A 277V Molded Case Breaker

Westinghouse
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The Westinghouse HFB1070 is a 1-pole molded case circuit breaker from the MARK 75 family, designed to provide overcurrent protection through thermal magnetic operation. It is rated for 70A at 277VAC, with a high interrupting capacity of 65kA at 277V, and features LI (Long-Time and Instantaneous) trip functions for precise fault response. The unit utilizes a bolt-on connection and weighs 1 lb, constructed for robust industrial environments. This breaker complies with applicable industry standards for molded case circuit breakers, making it suitable for protecting branch circuits in commercial and industrial power distribution systems.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic
  • Voltage Rating: 277V
  • Current Rating: 70A
  • Poles: 1
  • Phase: 1
  • AIC Rating: 65kA@277V
  • Connection: Bolt-On
  • Protection: LI - Long-Time and Instantaneous
  • Family: MARK 75
  • Weight: 1 lb


Product Identification
  • UPC: Not specified
  • GTIN: Not specified