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Westinghouse LAB3700SMW - 400A 3-Pole Molded Case Circuit Breaker

Westinghouse
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Westinghouse LAB3700SMW is a three-pole molded case circuit breaker designed to provide instantaneous magnetic-only protection for three-phase industrial power systems. It is rated for 400A at 600V AC with an interrupting capacity of 30kA at 480V, featuring a robust bolt-on connection for secure installation. The breaker is constructed with a durable molded case and complies with relevant industry standards for electrical protection devices. Its design is suitable for applications in panelboards, switchboards, and industrial control equipment where reliable overcurrent protection is required.

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


Product Identification
  • Manufacturer Part Number: LAB3700SMW