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Westinghouse 371D426G03 - Molded Case Circuit Breaker, 400A 600V 2-Pole

Westinghouse
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Westinghouse 371D426G03 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 features a 400A current rating with a 30kA interrupting capacity at 480V, ensuring reliable fault protection. This two-pole, single-phase unit utilizes a bolt-on connection style and is constructed with a durable molded case, weighing 27 lb for robust installation. It complies with relevant industry standards for circuit protection devices and is typically applied in industrial power distribution panels, motor control centers, and other equipment requiring dedicated branch circuit protection.

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 AC
  • Trip Type: Instantaneous (I)
  • Protection Function: Magnetic Only
  • Frame: LAB
  • Weight: 27 lb
  • Note: Lugs are not included; consult for lug part number based on wiring specifications.