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Westinghouse 371D426G13 - Molded Case Circuit Breaker 400A 600V 3P

Westinghouse
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Westinghouse 371D426G13 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 within a robust LAB series frame with a bolt-on connection configuration for secure installation. This three-pole breaker is constructed to meet industry standards, offering a 30kA interrupting capacity at 480V AC to ensure reliable performance in demanding conditions. Its design is typically applied in industrial power distribution panels, switchgear, and motor control centers where selective coordination and equipment protection are critical.

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