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Westinghouse 504C740G10 - Molded Case 250A (2-Pole, 600V)

Westinghouse
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Westinghouse 504C740G10 is a MARK 75 series molded case circuit breaker designed for branch circuit protection in commercial and industrial power distribution systems. This 2-pole, 600V AC unit is rated at 250A with a thermal magnetic trip mechanism providing LI (Long-Time and Instantaneous) protection functions. The bolt-on connection design and 26 lb weight support secure installation in panelboards and switchgear, with a 35kA interrupting capacity at 480V AC. It meets UL489 listing requirements for overcurrent protection in single-phase applications. Typical applications include feeder and branch circuit protection in manufacturing facilities, commercial buildings, and industrial control panels.

Key Features & Specifications
  • Manufacturer: Westinghouse
  • Model: 504C740G10
  • Series: MARK 75
  • Frame Type: HLA
  • Type: Molded Case
  • Poles: 2
  • Phase: 1
  • Current Rating: 250A
  • Voltage Rating: 600V
  • Interrupt Rating: 35kA at 480V
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Connection: Bolt-On
  • Weight: 26 lb
  • Standards: UL489 Listed
  • Application: Commercial, Industrial


Part Number: 504C740G10