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Westinghouse 504C740G05 - Molded Case Breaker 125A 2-Pole 600V

Westinghouse
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Westinghouse 504C740G05 is a 2-pole, 125-amp molded case circuit breaker from the MARK 75 family, designed for overcurrent protection in low-voltage distribution systems. It operates at a maximum voltage rating of 600V AC and provides thermal-magnetic protection with LI (Long-Time and Instantaneous) trip functions. This bolt-on unit weighs 26 lb and features a single-phase, 1-pole construction with an interrupting capacity of 35 kA at 480V AC. The breaker is engineered for branch circuit and feeder protection in industrial and commercial electrical panels, complying with applicable UL, NEMA, and CSA standards. Its robust construction makes it suitable for standard electrical panel installations requiring reliable circuit interruption.

Key Features & Specifications
  • Type: Molded Case
  • Family: MARK 75
  • Type: HLA
  • Weight: 26 lb
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 600V
  • Poles: 2
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC rating: 35kA@480V
  • Phase: 1
  • Current Rating: 125A
  • Amperage Rating: 125 Amps
  • Mounting Type: Bolt-On
  • Interrupt Rating (AIC): 35 kA @ 600V
  • Trip Unit: Thermal-Magnetic Fixed
  • Standards Compliance: UL/NEMA/CSA


504C740G05