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NK631100

Federal Pacific
Price
Save $-1,331.62
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Federal Pacific NK631100 is a 3-pole molded case circuit breaker from the NK Series, designed for overcurrent protection in commercial and industrial power distribution systems. It is rated for 600V AC and 100A continuous current, utilizing a thermal-magnetic trip mechanism with LI (Long-Time and Instantaneous) functions to safeguard against sustained overloads and short circuits. This bolt-on unit weighs 38 lb and features a 3-phase, 225A frame construction for robust electrical isolation and durability. The breaker complies with industry standards for molded case circuit breakers, ensuring reliable performance in demanding environments. Typical applications include branch circuit protection, panelboard feeder protection, and motor control centers in industrial facilities.

Key Features & Specifications
  • Type: NK Series Molded Case Circuit Breaker
  • Manufacturer: Federal Pacific
  • Item Subcategory: Molded Case
  • Family: NK Series
  • Type: NK
  • Weight: 38 lb
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 600V
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • Phase: 3
  • Current Rating: 100A
  • Part Number: NK631100
  • Amperage: 100 Amps
  • Frame Amps: 225
  • Circuit Breaker Style: Molded Case


Federal Pacific NK631100 - Molded Case Circuit Breaker 100A 600V 3-Pole