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Westinghouse 371D426G04 - Molded Case Breaker 400A 600V 2P

Westinghouse
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Westinghouse 371D426G04 is a molded case circuit breaker from the LAB Series designed to provide instantaneous magnetic-only protection for industrial electrical circuits. It is rated for 600V AC systems and handles a continuous current of 400A in a single-phase configuration, featuring a two-pole, bolt-on connection for secure installation. The breaker is constructed with a durable molded case, weighs 27 lb, and offers an interrupting capacity of 30kA at 480V to safeguard against short-circuit faults. It is engineered to meet relevant industry standards for circuit protection devices and is typically applied in industrial control panels, power distribution units, and machinery where reliable magnetic trip protection is required.

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


Product Identification
  • Manufacturer Part Number: 371D426G04