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Westinghouse 504C743G04 - 100A 2-Pole Molded Case Breaker (600V)

Westinghouse
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The Westinghouse 504C743G04 is a 2-pole molded case circuit breaker from the MARK 75 family, designed for overcurrent protection in industrial electrical systems. It provides LI (Long-Time and Instantaneous) protection functions with a 100A current rating and a voltage rating of 600V, featuring a thermal magnetic trip mechanism for reliable fault interruption. This bolt-on breaker weighs 17 lb and has an AIC rating of 35kA at 480V, supporting single-phase applications. It complies with industry standards for molded case circuit breakers, ensuring robust performance in distribution panels and switchboards. Typical applications include motor control centers, lighting panels, and feeder circuits in commercial and industrial facilities.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic
  • Voltage Rating: 600V
  • Current Rating: 100A
  • Poles: 2
  • Phase: 1
  • AIC Rating: 35kA@480V
  • Connection: Bolt-On
  • Protection: LI - Long-Time and Instantaneous
  • Family: MARK 75
  • Type: HKA
  • Weight: 17 lb


Product Identification
  • Manufacturer: Westinghouse
  • Model: 504C743G04