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American/Federal Pacific NEF437100 - Molded Case Circuit Breaker 100A 480V 3P

American/Federal Pacific
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American/Federal Pacific NEF437100 is a molded case circuit breaker designed for providing reliable overcurrent protection in three-phase industrial electrical systems. It features a 100A current rating and a 480V AC voltage rating, engineered to interrupt fault currents up to 14kA. The unit is constructed as a three-pole, bolt-on thermal magnetic breaker with long-time and instantaneous (LI) trip functions for coordinated protection. It complies with relevant industry standards for safety and performance in demanding environments, making it suitable for use in panelboards, switchboards, and industrial control equipment.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, NEF Series, Thermal Magnetic Protection
  • Voltage Rating: 480V AC
  • Current Rating: 100A
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • AIC Rating: 14kA @ 480V
  • Protection Functions: Long-Time and Instantaneous (LI)
  • Item Subcategory: Molded Case
  • Weight: 8 lb


Product Identification
  • Manufacturer: American/Federal Pacific
  • Model: NEF437100
  • Family: NEF Series