Federal Pacific NEF434100 Circuit Breaker, 100A, 3-Pole, 480V

Meet the Federal Pacific NEF434100 circuit breaker—built to protect demanding industrial power systems with precision. This 100A, 3-pole unit is purposefully designed for 480V three-phase applications, making it a reliable choice for industrial service, maintenance, and replacement projects.

• Amperage: 100 A
• Poles: 3
• Voltage: 480V
• Part number: NEF434100

Why this matters in real-world operation: in facilities that rely on high-demand motors, conveyors, drives, and other three-phase loads, a sturdy 3-pole breaker at 480V provides dependable overload protection, clean trip behavior, and straightforward integration with existing Federal Pacific panels. The 3-pole design ensures coordinated protection across all three phases, helping to prevent unbalanced faults and minimizing downtime during maintenance or fault events.

Ideal use cases:

• Replacement for worn or failed breakers in 480V three-phase panels
• Electrical service upgrades in manufacturing floors, warehouses, and industrial plants
• Protection for heavy equipment, motors, and drives in production lines

How to verify compatibility: Use the part number NEF434100 to confirm fit with your panel and application requirements. If you’re uncertain about compatibility, we can help you match the right part number to your system. Message us and we’ll assist with fit confirmation and proper deployment.

Note: This description reflects intended use in appropriate electrical environments and emphasizes professional installation. Always follow applicable electrical codes and safety standards when deploying circuit breakers in industrial settings.