{"product_id":"siemens-qf120a-20a-1p-120v-circuit-breaker","title":"Siemens QF120A 20A 1P 120V Circuit Breaker, GFCI, Plug-On | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Siemens QF120A 20A 1P 120V GFCI Plug-On Circuit Breaker — a purpose-built solution for reliable, code-compliant protection in panelboards, load centers, and electrical distribution setups. Engineered for everyday electrical work, this single-pole breaker delivers precise ground-fault protection where it matters most, helping to reduce shock risk in wet or damp environments.\u003c\/p\u003e \u003cp\u003eWhy the QF120A stands out\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eGFCI protection in a plug-on form factor\u003c\/strong\u003e — fast, straightforward installation that snaps into compatible Siemens panel systems, delivering enhanced safety without complicated wiring.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e20 Amp, 1-Pole, 120V\u003c\/strong\u003e configuration — ideal for branch circuits that require reliable overcurrent and ground-fault protection in standard residential or light commercial applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDirect part-number match\u003c\/strong\u003e — designed for seamless replacement or integration in panels that specify QF120A, minimizing guesswork and downtime for maintenance teams and panel builders.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTargeted use in distribution systems\u003c\/strong\u003e — purpose-built for panelboards and load centers where dependable protection and quick-service replacements are essential.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAvailable from AmpState\u003c\/strong\u003e — a dependable source for Siemens components with support to confirm fit and compatibility when you’re building or stocking inventory.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical benefits and real-world applications\u003c\/h3\u003e\n\u003cp\u003eIn everyday electrical projects, the QF120A gives you immediate ground-fault protection on circuits that pass through wet or damp spaces, increasing safety for occupants and reducing nuisance shocks. It’s particularly useful when wiring kitchens, laundry rooms, garages, basements, or outdoor outlets where code-driven GFCI protection is required. For panel builders, the plug-on design accelerates installations and streamlines field service replacements, helping projects stay on schedule.\u003c\/p\u003e \u003ch3\u003eWho benefits most\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance teams performing routine panel servicing who need a reliable, exact-fit replacement\u003c\/li\u003e \u003cli\u003ePanel builders specifying Siemens parts for standardized, code-compliant systems\u003c\/li\u003e \u003cli\u003eFacilities managers stocking spare inventory to minimize downtime on critical circuits\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eKey details at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Siemens\u003c\/li\u003e \u003cli\u003ePart Number: QF120A\u003c\/li\u003e \u003cli\u003eType: GFCI Circuit Breaker\u003c\/li\u003e \u003cli\u003eAmperage: 20 A\u003c\/li\u003e \u003cli\u003ePoles: 1\u003c\/li\u003e \u003cli\u003eVoltage: 120 V\u003c\/li\u003e \u003cli\u003eMounting: Plug-On\u003c\/li\u003e \u003cli\u003eAvailability: AmpState\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eHow to ensure the perfect fit\u003c\/h3\u003e\n\u003cp\u003eWhen your project requires a direct part-number match, the QF120A is the clear choice. If you’re unsure about fit for a specific panel model or distribution setup, AmpState experts can help confirm compatibility and guide you to the exact configuration you need. This proactive support helps you avoid delays and ensures your protection solution aligns with your panel’s design.\u003c\/p\u003e \u003cp\u003eChoose the Siemens QF120A 20A 1P 120V GFCI Plug-On Circuit Breaker for dependable, code-ready protection that simplifies installation, supports safe operation, and keeps your electrical distribution running smoothly. \u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46410844438690,"sku":"QF120A","price":227.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_83963f7f-600e-419f-90c6-e7677089642b.png?v=1765492973","url":"https:\/\/www.ampstate.com\/products\/siemens-qf120a-20a-1p-120v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}