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Westinghouse LAB31250SMW - 400A Molded Case Breaker (30kA AIC, 600V)

Westinghouse
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Westinghouse LAB31250SMW is a molded case circuit breaker designed for providing instantaneous magnetic-only protection against short-circuit faults in three-phase industrial power systems. It is rated for 600V AC applications with a continuous current rating of 400A and an interrupting capacity of 30kA at 480V. The breaker features a robust three-pole, bolt-on connection design within the LAB series frame, constructed for durability with a weight of 29 lb. This unit complies with relevant industry standards for circuit protection and is typically applied in panelboards, switchboards, and industrial control panels where reliable, instantaneous trip functionality is required.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, LAB Series, 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 Only)
  • Frame: LAB Series
  • Weight: 29 lb
  • Note: Lugs are not included; specific lug part numbers require wiring specifications.


Product Identification
  • Manufacturer Part Number: LAB31250SMW