Square D QO120VHPAFGF 20A 1P 120V Circuit Breaker, AFCI, GFCI, Dual-Function, Plug-On | AmpState

Engineered for everyday electrical work, the Square D QO120VHPAFGF combines arc-fault and ground-fault protection in a single, plug-on 20A, 1-pole breaker. Designed for panelboards, load centers, and electrical distribution, this unit is a smart choice for maintenance teams, panel builders, and spare inventory where a direct part-number match matters.

Why this dual-function breaker stands out

• Dual-function AFCI + GFCI protection—one device delivers arc-fault and ground-fault protection, helping reduce fire and shock hazards on protected circuits.
• Plug-On design—quick, tool-free installation that slips into compatible Square D QO panels, streamlining maintenance and replacements.
• Exact part-number match—QO120VHPAFGF ensures a precise fit for your QO system, minimizing compatibility guesswork.
• Standard residential/commercial rating—20 A, 1 pole, 120 V fits a broad range of branch circuits in both homes and light commercial spaces.
• Trusted Square D quality—part of the Square D QO family, built for reliable performance in electrical distribution and protection.

Key specifications

• Amperage: 20 A
• Poles: 1
• Voltage: 120 V
• Type: Circuit Breaker
• Function: AFCI, GFCI, Dual-Function
• Mounting: Plug-On
• Manufacturer: Square D
• Part Number: QO120VHPAFGF

Ideal use cases

Great for new installations, panel upgrades, and replacements in panelboards and load centers where both arc-fault and ground-fault protection are beneficial. It’s particularly useful for stock in maintenance hubs and fabrication shops where a direct part-number match saves time and reduces downtime.

Compatibility and installation notes

Designed for Square D QO panelboards and load centers, the plug-on form factor simplifies installation in compatible systems. If you’re unsure about fit for a specific panel, AmpState can help verify compatibility. Need help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit.

Why AmpState

Available from AmpState, this QO120VHPAFGF breaker is a reliable choice to streamline your electrical protection strategy and keep critical circuits safeguarded. Stock it alongside other QO devices to maintain consistent protection across your electrical distribution system.