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Federal Pacific NK631090 - 3-Pole 90A Molded Case Circuit Breaker

Federal Pacific
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Federal Pacific NK631090 is a 3-pole molded case circuit breaker designed for overcurrent protection in industrial and commercial power distribution systems. It is rated for 600V AC and 90A, with a 225A frame, and utilizes a thermal magnetic trip unit providing LI (Long-Time and Instantaneous) functions. The unit features a bolt-on mounting configuration, weighs 38 lb, and is part of the NK Series for 3-phase applications. This breaker complies with industry standards for reliable performance in medium-voltage environments. Typical applications include protecting branch circuits and feeder lines in manufacturing facilities, commercial buildings, and heavy equipment installations.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker
  • Manufacturer: Federal Pacific
  • Family: NK Series
  • Catalog Number: NK631090
  • Poles: 3
  • Current Rating: 90A
  • Voltage Rating: 600V AC
  • Frame Amps: 225
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Connection: Bolt-On
  • Phase: 3
  • Weight: 38 lb