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Westinghouse 371D426G26 - Molded Case Breaker 400A 600V (30kA AIC)

Westinghouse
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Westinghouse 371D426G26 is a molded case circuit breaker designed for providing instantaneous magnetic-only protection against short-circuit faults in industrial power distribution systems. It is rated for 600V AC applications and features a 400A current rating with a 30kA interrupting capacity at 480V. The two-pole, single-phase unit utilizes a bolt-on connection style and is constructed within the robust LAB series frame, weighing 27 lb for durable installation in compatible enclosures. This breaker complies with relevant industry standards for safety and performance in demanding electrical environments, making it suitable for protecting feeders and branch circuits in manufacturing facilities, data centers, and commercial buildings.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker (LAB Series), Magnetic-Only Protection (I - Instantaneous Function)
  • Voltage Rating: 600V AC
  • Current Rating: 400A
  • Poles: 2
  • Phase: 1
  • Connection: Bolt-On
  • AIC Rating: 30kA @ 480V
  • Protection: Magnetic Only (Instantaneous Trip)
  • Frame: LAB Series
  • Weight: 27 lb
  • Note: Lugs are not included; specific lug part numbers require wiring specifications.


Product Identification
  • Manufacturer Part Number: 371D426G26