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Westinghouse NB3800PR - 800A 3-Pole Molded Case Breaker

Westinghouse
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Westinghouse NB3800PR is a 3-pole molded case circuit breaker from the Tri-Pac family, designed for overcurrent protection in industrial power distribution systems. It is rated for 800A continuous current at 600V AC, with a high interrupting capacity of 200kA at 600V, and features thermal-magnetic protection with LI (Long-Time and Instantaneous) trip functions. The unit weighs 61 lb and uses a bolt-on connection for secure panel mounting. This breaker complies with applicable industry standards for molded case circuit breakers. It is typically applied in heavy industrial and commercial settings requiring robust fault current interruption and reliable overload protection.

Key Features & Specifications
  • Type: Molded Case, Tri-Pac family, NB series
  • Voltage Rating: 600V AC
  • Current Rating: 800A
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC Rating: 200kA@600V
  • Functions: LI - Long-Time and Instantaneous
  • Weight: 61 lb


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