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Westinghouse LAB3700MW - Molded Case Circuit Breaker 400A 600V 3P

Westinghouse
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Westinghouse LAB3700MW is a molded case circuit breaker designed for providing instantaneous magnetic-only protection in three-phase industrial power systems. It features a 600V AC voltage rating and a 400A continuous current rating, housed within a robust 29 lb frame with a bolt-on connection configuration for secure installation. This unit complies with industry standards for interrupting capacity, delivering a 30kA AIC rating at 480V AC to safeguard electrical distribution equipment. Typical applications include protecting feeders, branch circuits, and motors in commercial and industrial facilities where reliable, instantaneous trip protection is required.

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