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Westinghouse 371D426G35 - Molded Case Breaker 400A 600V 3P

Westinghouse
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Westinghouse 371D426G35 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. The breaker features a robust three-pole, bolt-on connection design within the LAB series frame, contributing to its 29 lb weight, and is engineered for reliable performance in demanding industrial environments. It complies with relevant industry standards for circuit protection devices and is typically applied in industrial power distribution panels, motor control centers, and other heavy-duty electrical infrastructure.

Key Features & Specifications
  • Type: LAB Series Molded Case Circuit Breaker, Magnetic-Only Protection (Instantaneous Trip)
  • Voltage Rating: 600V AC
  • Current Rating: 400A
  • Phase: 3
  • Poles: 3
  • Connection: Bolt-On
  • AIC Rating: 30kA @ 480V
  • Trip Type: I - Instantaneous (Magnetic Only)
  • Frame: LAB Series
  • Weight: 29 lb
  • Note: Lugs are not included; specific lug part numbers require wiring specifications.


Product Identification
  • Manufacturer Part Number: 371D426G35