Siemens Q120DFH 20A 1P Circuit Breaker, AFCI, GFCI, Dual-Function | AmpState

The Siemens Q120DFH is a compact, reliable 20 A, 1-pole circuit breaker that delivers dual protection with AFCI and GFCI in a single device. Designed for everyday use in panelboards, load centers, and broad electrical distribution, this dual-function breaker helps safeguard both people and property from common electrical hazards.

• Dual-Function Protection—Combines arc-fault (AFCI) and ground-fault (GFCI) protection in one convenient unit, reducing the risk of electrical fires and shock on eligible circuits.
• 20 Amp, 1-Pole—Perfect for standard 120V circuits that require reliable single-pole protection with ample current capacity for outlets and lighting branches.
• Panelboard and Load Center Compatibility—Designed for use in common electrical distribution setups, making it suitable for retrofit projects and maintenance planning.
• Part Number Consistency—The Q120DFH helps you keep part numbers stable during replacements and upgrades, simplifying stocking and procurement in ongoing projects.
• AmpState Availability—This Siemens dual-function breaker is readily available from AmpState, supporting faster turnarounds for repair, retrofit, and new installs.

Why choose the Q120DFH for your project? If you’re upgrading a panelboard or load center to meet modern safety standards or you’re planning a retrofit where you must maintain the exact part number, this is a practical, code-conscious choice. The integrated AFCI and GFCI features provide enhanced protection on a single device, reducing the need for separate protective components and simplifying electrical protection strategies for living spaces, kitchens, garages, and other areas with receptacle circuits.

Need help confirming fit or compatibility? Message us and we’ll help you verify that the Siemens Q120DFH is the right match for your panelboard or distribution setup, ensuring a smooth installation process from start to finish.