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Westinghouse 371D426G15 - Molded Case Circuit Breaker, 400A 600V 3P

Westinghouse
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Westinghouse 371D426G15 is a molded case circuit breaker designed for providing instantaneous magnetic-only protection against short-circuit faults in three-phase electrical systems. It features a 400A current rating and a 600V voltage rating, housed in a robust three-pole, bolt-on configuration with a weight of 29 lb. This LAB series breaker complies with industry standards for interrupting a maximum of 30kA at 480V AC. It is typically applied in industrial panelboards and switchgear for protecting feeders and distribution circuits.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, LAB Series, 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 Trip (Magnetic Only)
  • Frame: LAB
  • Weight: 29 lb
  • Note: Lugs are not included; specific lug part numbers require wiring specifications.


Product Identification
  • Manufacturer Part Number: 371D426G15