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American/Federal Pacific NEF214050 - Molded Case 50A 277V

American/Federal Pacific
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The American/Federal Pacific NEF214050 is a molded case circuit breaker designed for overcurrent protection in electrical distribution systems. This single-pole unit is rated for 50A at 277VAC, providing long-time and instantaneous (LI) trip functions through its thermal magnetic protection mechanism. The breaker features a bolt-on connection style, weighs 2 lb, and is part of the NEF Series with a 14kA interrupting capacity at 277V. It is designed for 1-phase applications and complies with industry standards for molded case breakers. Typical industrial applications include branch circuit protection in commercial and light industrial power panels.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker
  • Voltage Rating: 277V
  • Current Rating: 50A
  • Poles: 1
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC Rating: 14kA@277V
  • Phase: 1
  • Functions: LI - Long-Time and Instantaneous
  • Weight: 2 lb
  • Family: NEF Series
  • Type: NEF


  • UPC: 646826268684