Square D FA24040AC - 40 A, 2-Pole Plug-In Circuit Breaker | AmpState

Meet the Square D FA24040AC — a 40 A, 2-pole plug-in molded case circuit breaker from AmpState, built to guard your panelboard or loadcenter from overcurrent and short circuits. This isn’t just a replacement part; it’s a fast, dependable protection solution designed to streamline installation and maintenance while delivering consistent performance.

Why this breaker stands out:

• Speedy plug‑in installation: The fast plug-in connection minimizes downtime during installation or replacement, making panel servicing quicker and less disruptive.
• Thermal‑magnetic protection: Integrated trip technology delivers stable, repeatable protection for overloads and short circuits, helping protect wiring and connected equipment from damage.
• 2‑pole, 40A design: Supports 240V circuits with two hot legs on a single trip, providing coordinated protection for essential 240V loads.
• Durable molded‑case construction: Built to withstand repeated plug‑in cycling in residential, commercial, and light industrial environments, maintaining reliable performance over time.
• OEM‑compatible for plug‑and‑play: Engineered to mate with matching Square D OEM load centers and panelboards, ensuring a clean fit and dependable operation within existing systems.

Technical specifications

• Manufacturer: Square D
• Part Number: FA24040AC
• Type: Thermal‑magnetic molded case circuit breaker
• Amperage Rating: 40A
• Number of Poles: 2
• Mounting Style: Plug-in
• Application: Branch circuit overcurrent and short‑circuit protection

Ideal for a range of applications, the FA24040AC suits residential panel upgrades, commercial electrical rooms, and light industrial setups where reliable 240V protection is essential. It pairs with compatible OEM panelboards for straightforward installation, reduces service time with its plug‑in design, and provides a consistent protection profile across varied loads. For electricians and facilities managers seeking a trustworthy, OEM‑aligned protection device, this Square D breaker delivers clear value, compatibility, and performance in one compact package.