Square D | FAP36040V | Circuit Breaker | 40A | 3-Pole | 36040V

Introducing the Square D FAP36040V Circuit Breaker—a precise, three‑pole protection solution built for demanding electrical distribution systems. With a 40A rating and a dedicated 3‑pole configuration, this breaker is designed for maintenance, retrofit, and replacement projects where matching specifications is essential. The FAP36040V is your reliable choice when you need to keep your panel safe and your equipment up and running.

• Amperage: 40A
• Poles: 3‑Pole
• Voltage: 36040V
• Part number: FAP36040V

Why this Square D breaker matters

When upgrading or replacing circuit protection in Square D panels, the FAP36040V delivers a reliable, compatible solution that minimizes compatibility risk. The three‑pole design makes it suitable for protecting three‑phase circuits, helping to prevent cascading faults and protect upstream equipment. This is not a generic substitute—it's a precise match to Square D’s engineering standards, designed to work with the fit and ratings required by your existing panel architecture.

Ideal use cases

• Maintenance upgrades in commercial or light industrial panels that require a specific 40A, 3‑pole protection device
• Retrofit projects where panel schedules call for the FAP36040V part number for compatibility
• Replacement of aging or failed breakers in systems that demand a sanctioned Square D solution

Fit, compatibility, and ordering tips

To ensure proper performance, confirm fit and ratings before ordering. The part number is the best reference for compatibility, so cross‑check the FAP36040V against your panel’s documentation and the equipment it protects. If your installation relies on Square D protective devices, this breaker aligns with that ecosystem and helps maintain consistent protection across your distribution network.

Installation and safety reminders

Electrical work should be performed by a licensed professional. Before installation, verify that the power is fully disconnected and that the panel can accommodate a three‑pole device with the specified voltage and amperage. Follow all manufacturer and local electrical codes to ensure a safe, code‑compliant setup.

Practical considerations and tips

• Keep the exact part reference (FAP36040V) handy during ordering to avoid mismatches in panel compatibility.
• Document the replacement in your panel inventory to streamline future maintenance and audits.
• Pair this breaker with a compatible Square D main or feeder configuration to maintain a coherent protection strategy across the system.