NEF431100 | Circuit Breaker | 100A | 3-Pole | 480V

NEF431100 is a rugged industrial circuit breaker engineered for reliability in 3‑phase, 480V power systems. This 100A, 3‑pole device delivers solid protection for feeders and equipment while making maintenance, retrofit, and replacement projects straightforward.

Key specifications

• Amperage: 100A
• Poles: 3‑Pole
• Voltage: 480V
• Part reference: NEF431100

Why this model matters

In industrial environments, compatibility is as important as performance. The NEF431100 uses its own part number as the most reliable reference for matching equipment, panels, and assemblies. This means faster procurement, fewer fit issues, and safer operation after installation. Always confirm fit and ratings before ordering to ensure seamless integration with your existing infrastructure.

Ideal use cases

• Replacement for worn or failed breakers in 480V three‑phase panels
• Retrofit projects where a precise spec match is required
• Maintenance stock for facilities operating 3‑phase 480V power

Practical guidance for installation

• Verify that 480V three‑phase service and the panel's rating align with this unit before purchase
• Use the part number NEF431100 as the primary compatibility reference when sourcing replacements
• Plan for standard spare parts and quick replacement to minimize downtime during maintenance windows

Equip your electrical system with a dedicated 100A, 3‑pole 480V circuit breaker that aligns with your exact equipment needs. The NEF431100 is positioned as the precise, compatible solution for industrial protection and reliable uptime.