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Westinghouse LAB21250MW - Molded Case Breaker 400A 600V (30kA AIC)

Westinghouse
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Westinghouse LAB21250MW is a molded case circuit breaker designed for providing instantaneous magnetic-only protection against short-circuit faults in industrial electrical systems. It is rated for 600V AC applications and handles a continuous current of 400A in a single-phase configuration, featuring a bolt-on connection for secure installation. The breaker is constructed with a durable molded case, weighs 27 lb, and offers an interrupting capacity of 30kA at 480V to ensure reliable performance under high fault conditions. It complies with relevant industry standards for safety and performance, making it suitable for use in panelboards, switchboards, and industrial control equipment where selective coordination and robust circuit protection are required.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, LAB Series, Magnetic-Only Protection (Instantaneous Trip)
  • Voltage Rating: 600V AC
  • Current Rating: 400A
  • Phase: 1
  • Poles: 2
  • Connection: Bolt-On
  • AIC Rating: 30kA @ 480V
  • Trip Type: Instantaneous (I)
  • Protection: Magnetic Only
  • Frame: LAB
  • Weight: 27 lb
  • Additional Info: Lugs are not included; consult for lug part number based on wiring specifications.


Product Identification
  • Manufacturer Part Number: LAB21250MW