Square D QO240GFI - 40 A, 240 V, 2-Pole Plug-In Circuit Breaker | AmpState

Meet the Square D QO240GFI 40A, 240V, 2-pole plug-in molded case circuit breaker — a durable, plug-in protection device designed for panelboards and load centers. Built to deliver quick installation and dependable branch circuit protection, it blends compatibility with OEM panels and robust performance for modern electrical layouts.

• Fast plug-in connection for quick installation or effortless replacement, minimizing downtime during service or upgrades.
• Thermal-magnetic trip unit delivers stable, repeatable protection against overloads and short circuits, helping prevent nuisance trips while safeguarding connected circuits.
• 2-pole, 40A, 240V design provides reliable protection for 240V branch circuits typical in homes and light commercial settings.
• OEM-compatible works with matching Square D load centers and panelboards, ensuring a seamless fit in existing electrical systems.
• Versatile applications suitable for residential, commercial, and light industrial equipment and circuits, from space heaters and HVAC lines to workshop tools and lighting panels.

In practice, the QO240GFI helps you keep critical circuits protected with a compact, plug-in solution that reduces installation complexity. The device is ready to partner with your Square D QO family panelboards, delivering reliable trip performance when you need it most and making updates or replacements straightforward for electricians and do-it-yourselfers alike.

Key specifications

• Manufacturer: Square D
• Part Number: QO240GFI
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 40A
• Voltage Rating: 240V
• Number of Poles: 2
• Mounting Style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Who is this for?

• Electricians installing or upgrading panelboards in homes, offices, or light industrial facilities
• Property managers maintaining distributed electrical systems with Square D QO panels
• DIY enthusiasts tackling electrical projects that require reliable, plug-in protection for 240V circuits

Choose the Square D QO240GFI for a dependable, plug-in solution that pairs with OEM panelboards, accelerates installation, and delivers clear, protective performance for everyday electrical needs.