NFJ437100 | Circuit Breaker | 100A | 3-Pole | 480V

NFJ437100 is a robust industrial circuit breaker engineered to deliver reliable protection in demanding electrical environments. With a 100A rating, a 3-pole configuration, and 480V operating capability, it’s a precise, dependable choice for maintenance, retrofit, or replacement projects where exact specifications matter.

• Amperage: 100A
• Poles: 3-Pole
• Voltage: 480V
• Ideal for: maintenance, retrofit, and replacement in 3-phase industrial power systems

What sets NFJ437100 apart is its exact part-number fit. Using NFJ437100 as the reference ensures compatibility with existing panels and downstream devices, minimizing the risk of mismatched trips, wiring configurations, or control logic. This makes it an especially smart choice for ongoing serviceability and long-term reliability.

Who should consider this model? Professionals handling panel upkeep, engineers upgrading 480V control circuits, and project teams performing retrofit campaigns in manufacturing lines, data centers, HVAC systems, or other 3-phase installations where steady, predictable protection is essential.

• Exact reference for compatibility with both legacy and contemporary systems
• Consistent 3-phase protection aligned with 480V distribution networks
• Reliable performance when used as a replacement or retrofit component

Before placing an order, confirm the fit and ratings against your equipment’s specifications. The part number NFJ437100 is your best reference for a precise match in form, function, and electrical characteristics, helping you minimize downtime and maintain safe, fault-free operation.

In practical terms, choose NFJ437100 for new installations or replacements where a 100A, 3-pole, 480V circuit breaker is required. Its durable design and clear alignment with 3-phase systems make it a dependable choice for demanding industrial applications.