Square D | A1L240 | Circuit Breaker | 40A | 2-Pole | 240V

Meet the Square D A1L240 Circuit Breaker — a precise, dependable 40A, 2-Pole, 240V protective device designed for maintenance, retrofit, and replacement projects where exact specifications matter. Using the A1L240 part number as your reference ensures you’re selecting the right component for compatible Square D panels and circuits.

• Amperage: 40A
• Poles: 2-Pole
• Voltage: 240V

Why this A1L240 breaker stands out: it’s purpose-built to match Square D panel systems requiring the A1L240 specification, providing reliable overcurrent protection for 240V circuits. This isn't a generic substitute — it's the correct, direct-fit solution for preventing nuisance trips and ensuring consistent performance in your electrical setup.

Ideal use cases:

• Maintenance: replace a worn or failing 2-pole 240V breaker to restore safe circuit protection.
• Retrofit: upgrade or modernize panels that require the A1L240 specification for compatibility and performance.
• Replacement: stock as a reliable spare for dependable, on-call service and panel upkeep.

Fit and ordering guidance: Confirm fit and ratings before ordering. The part number is the best reference for compatibility, so match A1L240 to your panel model and the circuits it protects. If your electrical system relies on Square D components and requires a 40A, 2-pole, 240V device, this breaker is designed to meet those exact specifications.

Practical considerations for installation and use: verify panel labeling, ensure the power is fully de-energized before replacement, and handle the breaker with care to maintain terminal integrity. This targeted solution is built to align with your 240V, 40A circuit needs, delivering dependable protection where it matters most.