Square D | FAF22040 | Circuit Breaker | 40A | 2-Pole

The Square D FAF22040 40A 2-Pole Circuit Breaker is a genuine Square D component designed to deliver reliable overcurrent protection in compatible panels. Built for maintenance, retrofit, and replacement projects, it helps keep electrical systems safe and up to date without sacrificing performance.

• Exact part for compatibility: FAF22040 is the best reference for matching panels and ratings. Always verify fit and ratings before ordering to avoid compatibility issues.
• 40-amp, 2-pole protection: Ideal for 240V circuits that require a two-pole breaker, providing dependable protection and quick disconnection when needed.
• Maintenance, retrofit, and replacement: Designed for ongoing serviceability—swap-in replacements, panel retrofits, or routine maintenance with confidence.
• Trusted Square D reliability: Built to meet industry standards and backed by Square D’s reputation for durable electrical protection.

Specifications at a glance

• Amperage: 40A
• Poles: 2-Pole
• Part Number: FAF22040
• Applications: Maintenance, retrofit, replacement

Who this is for — homeowners, electricians, and facility managers who need dependable, compatible protection for 240V circuits in Square D panels. If you’re upgrading an older panel, restoring a failed breaker, or implementing a new 40A circuit, FAF22040 ensures you’re using a component that matches the panel’s design and electrical specifications.

Why it matters — using the exact part number guarantees alignment with your panel’s mounting style, terminal configuration, and electrical ratings. This reduces the risk of fit issues and ensures predictable performance when protection is required for critical circuits.

Important note — confirm fit and ratings before ordering. The part number FAF22040 is the best reference for compatibility, ensuring you select the right breaker for your Square D panel. For safety, installation should be performed by qualified personnel.