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Federal Pacific NEF433100 - 100A 3-Pole Molded Case Circuit Breaker (480V)

Federal Pacific
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Federal Pacific NEF433100 is a 3-pole molded case circuit breaker designed for overcurrent protection in industrial power distribution systems. It provides thermal-magnetic protection with long-time and instantaneous (LI) trip functions, rated for 480V AC and 100A continuous current. This bolt-on breaker weighs 3 lb and features a compact NEF frame construction for panelboard installation. It is rated for 14kA interrupting capacity at 480V, meeting UL and NEMA standards for commercial and light industrial applications. Typical uses include feeder protection in three-phase electrical panels, motor control centers, and branch circuit protection in manufacturing facilities.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic, Bolt-On
  • Voltage Rating: 480V AC
  • Current Rating: 100A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 14kA@480V
  • Connection: Bolt-On
  • Protection: Thermal Magnetic (LI - Long-Time and Instantaneous)
  • Weight: 3 lb
  • Family: NEF Series
  • Functions: LI - Long-Time and Instantaneous


Product Identification
  • Manufacturer: Federal Pacific
  • Model: NEF433100