Square D QO120GFI - 20 A, 120 V, 1-Pole Plug-In Circuit Breaker | AmpState

Meet the Square D QO120GFI — a 20 A, 120 V, 1-pole plug-in circuit breaker with built-in ground fault interruption. Crafted for dependable branch circuit overcurrent and short-circuit protection, it sits at the intersection of reliability and convenience for panelboards and load centers.

• Fast plug-in connection: enjoy quick installation and effortless replacement without special tools or complicated wiring.
• Thermal-magnetic trip unit: delivers stable, repeatable protection across a wide range of loads, reducing nuisance trips and improving circuit reliability.
• 1-pole, 20A, 120V: ideal for single-circuit protection in residential, commercial, and light industrial settings.
• OEM compatibility: designed to fit matching Square D OEM load centers and panelboards, ensuring a clean, reliable fit.
• Versatile protection: specifically suited for branch circuits that require both overcurrent and ground-fault protection in damp or wet environments common to kitchens, bathrooms, garages, and outdoor outlets.

The QO120GFI combines the familiarity and robustness of Square D’s QO lineup with the added safety of ground fault interruption. When you’re upgrading a panel or wiring a new installation, this plug-in breaker offers a straightforward, turn-key solution that helps keep people and devices safe without sacrificing ease of use.

Technical snapshot

• Manufacturer: Square D
• Part Number: QO120GFI
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 20A
• Voltage Rating: 120V
• Number of Poles: 1
• Mounting Style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection