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Westinghouse LA3400PRF - Molded Case Circuit Breaker 400A 600V

Westinghouse
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Westinghouse LA3400PRF is a molded case circuit breaker designed for providing robust overcurrent protection in demanding three-phase industrial power systems. It features a 400A current rating and a 600V voltage rating, engineered to interrupt high fault currents with an AIC rating of 200kA at 480V. The unit is constructed with a durable bolt-on connection for secure installation, housed in a compact frame measuring 18.5 in x 8.3 in x 10.5 in and weighing 24.2 lb. This breaker is UL 489 certified, ensuring compliance with industry safety standards for circuit breaker enclosures, and is part of the TRI-PAC family for reliable performance. Its thermal-magnetic protection with long-time and instantaneous (LI) trip functions makes it suitable for main feeder and branch circuit protection in industrial plants, data centers, and large commercial facilities.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection with Long-Time and Instantaneous (LI) Trip Functions
  • Voltage Rating: 600V AC
  • Current Rating: 400A
  • Dimensions: 18.5 in (L) x 8.3 in (H) x 10.5 in (W)
  • Weight: 24.2 lb
  • Standards: UL 489
  • Applications: Main Feeder and Branch Circuit Protection in Industrial Plants, Data Centers, Commercial Facilities
  • Phase: 3
  • Poles: 3
  • Connection: Bolt-On
  • AIC Rating: 200kA @ 480V
  • Protection: Thermal Magnetic
  • Functions: LI (Long-Time and Instantaneous)
  • Family: TRI-PAC
  • Country of Origin: United States


Product Identification
  • UPC: 786679765968
  • GTIN: 00786679765968