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Westinghouse 371D426G17 - Molded Case Breaker 400A 600V 3P

Westinghouse
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Westinghouse 371D426G17 is a molded case circuit breaker designed for providing instantaneous magnetic-only protection against short-circuit faults in three-phase electrical systems. It is rated for 600V AC systems with a continuous current rating of 400A and an interrupting capacity of 30kA at 480V AC. The breaker features a robust three-pole, bolt-on connection design within the LAB series frame and is constructed to meet applicable industry standards for reliable performance in demanding industrial environments such as manufacturing plants and 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
  • Phase: 3
  • Poles: 3
  • Connection: Bolt-On
  • AIC Rating: 30kA @ 480V AC
  • Protection Function: Instantaneous Magnetic Trip
  • Frame: LAB Series
  • Weight: 29 lb
  • Additional Info: Lugs are not included; consult for lug part number based on wiring specifications.


Product Identification
  • Manufacturer Part Number: 371D426G17