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Westinghouse 504C743G24 - HKA 225A 3-Pole Circuit Breaker

Westinghouse
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The Westinghouse 504C743G24 is a 3-pole molded case circuit breaker from the MARK 75 family, designed to provide LI (Long-Time and Instantaneous) protection for industrial electrical systems. It is rated for 600V AC, 225A, and 3-phase operation, with a bolt-on connection and a thermal magnetic trip mechanism delivering an interrupting capacity of 35kA at 480V. This HKA type breaker weighs 19 lb and is constructed for robust performance in demanding environments. It complies with industry standards for overcurrent protection in commercial and industrial power distribution panels. Typical applications include protecting branch circuits, feeders, and motor control centers in manufacturing plants and heavy machinery installations.

Key Features & Specifications
  • Type: HKA
  • Voltage Rating: 600V
  • Current Rating: 225A
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC rating: 35kA@480V
  • Functions: LI - Long-Time and Instantaneous
  • Family: MARK 75
  • Item Subcategory: Molded Case
  • Weight: 19 lb


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