Square D | FAP34040TF | Circuit Breaker | 40A | 3-Pole | 480V

Experience reliable, precise overcurrent protection with the Square D FAP34040TF Circuit Breaker. This 40A, 3-pole unit is designed for 480V three-phase systems and is a trusted replacement part for maintenance, retrofit, and upgrading panels that require exact specifications. With the FAP34040TF, you get a genuine Square D component built to align with existing equipment and protection strategies.

Key specifications

• Amperage: 40A
• Poles: 3-Pole
• Voltage: 480V
• Part reference: FAP34040TF

Ideal use cases

Perfect for industrial panels, retrofit projects, and replacement scenarios where a 480V three-phase protective device is required. Whether upgrading legacy equipment, aligning with existing Square D protection schemes, or reducing downtime during service windows, this breaker provides a straightforward, reliable solution.

What makes this model stand out

Direct-fit compatibility with Square D panels and a clearly identified part number (FAP34040TF) as the best reference for matching ratings. This reduces guesswork when shopping for replacements and helps ensure the device will physically and electrically integrate with your current setup.

Compatibility and installation tips

Always confirm fit and ratings before ordering. Use the part number FAP34040TF as your primary compatibility reference to ensure the breaker matches your panel model and 480V three-phase system. When installing, follow standard safety protocols, de-energize equipment, and refer to your panel's manual for mounting guidance and any torque recommendations.

Practical considerations

• Best suited for 480V three-phase configurations in commercial and light industrial environments.
• Provides protective response to overcurrent, helping prevent damage to downstream equipment and wiring.
• Designed to fit compatible Square D enclosures with matching bus configurations, simplifying retrofit workflows.

Choose the Square D FAP34040TF to maintain dependable electrical protection across your critical equipment with a genuine replacement part tailored for your 480V, 3‑phase system.