Square D | FAP34090 | Circuit Breaker | 3-Pole | 480V

Meet the Square D FAP34090 Circuit Breaker — a genuine, three-pole protection device purpose-built for 480V three-phase electrical systems. Designed for maintenance, retrofit, and replacement projects where exact specifications matter, this breaker helps keep critical equipment protected without guesswork.

• Three-pole configuration provides comprehensive protection for all three phases in 480V circuits, ideal for industrial equipment and distribution panels.
• 480V voltage rating aligns with standard high-voltage industrial installations, supporting reliable, consistent performance in demanding environments.
• Authentic Square D part with the exact reference FAP34090, ensuring compatibility with Square D enclosures and related components.
• Best reference for compatibility— verify fit by matching the part number to your panel or OEM specifications to avoid mismatches.
• Optimal for maintenance, retrofit, and replacement projects where precise specs and secure fit are critical to continuing safe operation.

Before you order, note that fit and ratings must be confirmed. The part number FAP34090 is the most reliable indicator of compatibility, so use it to verify replacement viability for your specific Square D panel, service equipment, or distribution setup.

Practical use cases include replacing worn or tripped breakers in 480V three-phase feeders, motor circuits, and distribution panels, or upgrading legacy hardware to maintain consistent protection across critical infrastructure. This is the right choice when you need a direct, specification-matched retrofit that respects existing wiring, mounting, and bus configurations.