Square D FA24040AB - 40 A, 2-Pole Plug-In Circuit Breaker | AmpState

Meet reliable, plug-in protection for your electrical distribution with the Square D FA24040AB 40A, 2-Pole Plug-In Molded Case Circuit Breaker, available from AmpState. Engineered for fast, hassle-free installation in panelboards and load centers, this breaker delivers responsive branch circuit overcurrent and short-circuit protection when it counts.

Why this 2-Pole Plug-In Breaker stands out

• Fast plug-in connection for quick installation and effortless replacement—minimizing downtime during upgrades or servicing.
• Thermal-magnetic trip unit provides stable, repeatable protection performance, reacting to both sustained overloads and short circuits with precision.
• OEM-compatible design ensures seamless compatibility with matching Square D load centers and panelboards, preserving system integrity.
• Versatile across environments ideal for residential, commercial, and light industrial applications where dependable protection is essential.

Specifications at a glance

• Manufacturer: Square D
• Part Number: FA24040AB
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 40 A
• Number of Poles: 2
• Mounting Style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Practical use cases

Electricians and facilities teams rely on the FA24040AB for protecting critical branches in both new installs and panel upgrades. Use it to:

• Protect lighting or receptacle circuits in residential renovations without compromising existing panel layouts.
• Support commercial electrical rooms with dependable instantaneous protection for small to medium loads.
• Safely isolate and swap circuits in light industrial installations, reducing downtime during maintenance.

Compatibility, installation tips, and best practices

This 40 A, 2-pole plug-in breaker is designed to work with matching OEM load centers and panelboards from Square D. For best results:

• Verify the panelboard model accepts plug-in molded case breakers of DA-compatible families.
• Power down the panel before installation and confirm the new breaker seats firmly into the bus and snap-in clips.
• Use with circuits that require reliable branch protection and a clear, predictable trip behavior in both overload and fault conditions.

Who benefits most

• Electricians performing panel retrofits, replacements, or new installations.
• Facilities managers overseeing commercial spaces and light industrial equipment.
• Property owners or managers seeking dependable, plug-in protection for shared electrical infrastructure.

Choose the Square D FA24040AB 40A, 2-Pole Plug-In Molded Case Circuit Breaker for straightforward, dependable protection that aligns with your panelboards and delivers clear, actionable protection performance. Add it to your cart from AmpState for fast, reliable circuit protection that keeps systems running smoothly.