Federal Pacific NEF31015 3-Pole Molded Case Circuit Breaker

The Federal Pacific NEF31015 is a 3-pole molded case circuit breaker designed for industrial and commercial electrical distribution systems. Manufactured by Federal Pacific Electric (FPE), this breaker provides overcurrent protection for circuits up to 480V AC or 250V DC, with a continuous current rating of 15A. It features a thermal-magnetic trip mechanism for reliable fault detection and interruption, making it suitable for applications in panelboards, switchboards, and motor control centers. Key advantages include its compact design for easy installation in space-constrained environments and robust construction for durability in demanding settings. However, Federal Pacific breakers, including the NEF series, have a historical reputation for reliability issues, such as failure to trip under fault conditions, which led to recalls and safety concerns in residential applications—though this model is more commonly used in commercial/industrial contexts. Benefits over similar products include cost-effectiveness for legacy systems, but drawbacks involve potential obsolescence and the need for regular testing due to age-related degradation. Ideal for retrofitting older FPE panels or as a spare part in facilities maintaining compatible infrastructure. This unit appears used, with visible dust and wear, but no major damage evident from images.