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Westinghouse LAB34000SMW - 400A Molded Case Breaker (30kA AIC, 600V)

Westinghouse
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Westinghouse LAB34000SMW is a three-pole molded case circuit breaker designed for providing instantaneous magnetic-only protection against short-circuit faults in three-phase industrial power distribution systems. It features a 400A current rating and a 600V voltage rating, housed within a robust 29 lb frame with a bolt-on connection configuration for secure installation. This breaker complies with industry standards for interrupting capacity, delivering a 30kA AIC rating at 480V to ensure reliable fault interruption. Its design is suitable for integration into panelboards and switchboards where dedicated short-circuit protection is required for high-capacity feeders and branch circuits.

Key Features & Specifications
  • Type: LAB Series, Molded Case Circuit Breaker, Magnetic-Only Protection (Instantaneous Trip)
  • Voltage Rating: 600V AC
  • Current Rating: 400A
  • Phase: 3
  • Poles: 3
  • Connection: Bolt-On
  • AIC Rating: 30kA @ 480V
  • Trip Type: I - Instantaneous (Magnetic)
  • Frame Size: LAB
  • Weight: 29 lb
  • Protection Function: Short-Circuit (Magnetic)


Product Identification
  • Manufacturer Part Number: LAB34000SMW