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Westinghouse 373B237G04 - 800A 3-Pole Molded Case Breaker

Westinghouse
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Westinghouse 373B237G04 is a 3-pole molded case circuit breaker from the MARK 75 family, designed for overcurrent protection in industrial power distribution systems. It is rated for 800A continuous current at 600VAC, with a 35kA interrupting capacity at 480VAC, and utilizes a thermal-magnetic trip mechanism providing LI (Long-Time and Instantaneous) protection functions. This bolt-on unit weighs 38 lb and is constructed for three-phase applications, ensuring reliable fault isolation and equipment safeguarding. It complies with industry standards for molded case circuit breakers, making it suitable for use in switchboards, panelboards, and motor control centers.

Key Features & Specifications
  • Type: Molded Case, Thermal Magnetic
  • Voltage Rating: 600V
  • Current Rating: 800A
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • Protection: LI - Long-Time and Instantaneous
  • AIC rating: 35kA@480V
  • Family: MARK 75
  • Type: HMA
  • Weight: 38 lb
  • Functions: LI - Long-Time and Instantaneous
  • Item Subcategory: Molded Case


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