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Westinghouse 371D426G25 - Molded Case Circuit Breaker, 400A 600V 2-Pole

Westinghouse
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Westinghouse 371D426G25 is a molded case circuit breaker from the LAB Series designed to provide instantaneous magnetic-only protection for industrial electrical circuits. It features a 400A current rating and a 600V voltage rating, suitable for single-phase systems, and is constructed as a robust two-pole, bolt-on unit weighing 27 lb. This breaker complies with industry standards for safety and performance, offering an interrupting capacity of 30kA at 480V AC. Its typical applications include protecting feeders and branch circuits in industrial panels, motor control centers, and distribution equipment where selective coordination and high fault current interruption are required.

Key Features & Specifications
  • Type: LAB Series molded case circuit breaker with instantaneous (I) magnetic-only trip function
  • Voltage Rating: 600V AC
  • Current Rating: 400A
  • Dimensions: N/A
  • Standards: Industry standard for molded case circuit breakers
  • Applications: Industrial feeder and branch circuit protection in panels and motor control centers
  • Switch Type: Circuit breaker
  • Configuration: Two-pole
  • Phase: 1
  • AIC rating: 30kA at 480V AC
  • Connection: Bolt-on
  • Poles: 2
  • Protection: Magnetic Only
  • Functions: Instantaneous trip
  • Frame Size: LAB
  • Trip Type: Magnetic
  • Weight: 27 lb
  • Additional Info: Lugs are not included; consult for lug part number based on wiring specifications.


Product Identification
  • Manufacturer Part Number: 371D426G25