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Westinghouse 371D426G28 - Molded Case Breaker 400A 2P (30kA AIC)

Westinghouse
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Westinghouse 371D426G28 is a molded case circuit breaker designed for providing instantaneous magnetic-only protection against short-circuit faults in industrial electrical systems. It features a 400A current rating and a 600V AC voltage rating, housed within a robust two-pole, bolt-on configuration with a frame size of 400A. This unit is constructed for durability and complies with relevant industry standards for safety and performance, making it suitable for protecting feeders and branch circuits in commercial and industrial power distribution panels.

Key Features & Specifications
  • Type: LAB Series Molded Case Circuit Breaker, Magnetic-Only Protection (I - Instantaneous)
  • Voltage Rating: 600V AC
  • Current Rating: 400A
  • Frame Size: 400A
  • AIC Rating: 30kA at 480V AC
  • Poles: 2
  • Connection: Bolt-On
  • Phase: 1
  • Protection Function: Instantaneous Trip (Magnetic Only)
  • Weight: 27 lb
  • Standards: Designed to meet applicable industry standards for circuit interruption
  • Applications: Industrial power distribution, panelboards, switchgear, and motor control centers
  • Additional Info: Lugs are not included; consult manufacturer for lug part numbers based on wiring specifications.


Product Identification
  • Manufacturer Part Number: 371D426G28
  • Family: LAB Series