{"product_id":"siemens-qa120afcn-20a-1p-120v-circuit-breaker","title":"Siemens QA120AFCN 20A 1P 120V Circuit Breaker, AFCI, Combination AFCI, Plug-On Neutral, Plug-On | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens QA120AFCN 20A 1P 120V AFCI circuit breaker is built to elevate safety in your electrical distribution system. Designed for panelboards, load centers, and general distribution networks, this unit delivers reliable arc-fault protection while simplifying retrofits where part numbers need to stay consistent. If you’re upgrading older panels or planning maintenance, the QA120AFCN keeps your spare parts streamlined and ready.\u003c\/p\u003e \u003ch3\u003eSmart protection that fits real-world needs\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAFCI Combination protection\u003c\/strong\u003e detects both series and parallel arc faults, reducing the risk of arc-induced fires on living and working spaces.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePlug-On Neutral\u003c\/strong\u003e design provides a clean, integrated neutral connection, helping to simplify retrofit installations and minimize wiring complexity.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e20 A, 1-Pole, 120 V\u003c\/strong\u003e specifications cover common branch circuits in residential and light-commercial applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePlug-On convenience\u003c\/strong\u003e enables faster swaps and replacements without sacrificing reliability.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number QA120AFCN\u003c\/strong\u003e ensures continuity for maintenance planning and easy identification during replacements.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmpState availability\u003c\/strong\u003e means you can source this Siemens AFCI breaker when you need it, reducing downtime on critical panels.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWho benefits from this AFCI breaker\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eElectricians tackling panel upgrades or retrofits where arc-fault protection is required.\u003c\/li\u003e \u003cli\u003eFacilities managers maintaining electrical distribution in multi-zone environments.\u003c\/li\u003e \u003cli\u003eHomeowners looking to upgrade living-area circuits to modern arc-fault protection without changing the rest of the panel design.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical use cases and value\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eRetrofit projects where preserving the exact part number simplifies ordering and reduces assembly risk.\u003c\/li\u003e \u003cli\u003eLiving spaces with higher arc-fault risk—kitchens, family rooms, and home offices—where added protection provides peace of mind.\u003c\/li\u003e \u003cli\u003eNew installations requiring reliable AFCI performance on dedicated 20A circuits within panelboards and load centers.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eSpecifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Siemens\u003c\/li\u003e \u003cli\u003ePart Number: QA120AFCN\u003c\/li\u003e \u003cli\u003eType: AFCI Combination, Plug-On Neutral\u003c\/li\u003e \u003cli\u003eAmperage: 20 A\u003c\/li\u003e \u003cli\u003ePoles: 1 Pole\u003c\/li\u003e \u003cli\u003eVoltage: 120 V\u003c\/li\u003e \u003cli\u003eApplications: Panelboards, Load Centers, Electrical Distribution\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eNeed help matching this part to your exact panel or confirming compatibility? Message us and we’ll help you confirm fit. Upgrade your electrical protection with the Siemens QA120AFCN and enjoy dependable arc-fault safety backed by AmpState’s ready-to-ship availability.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46410842996898,"sku":"QA120AFCN","price":200.0,"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-qa120afcn-20a-1p-120v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}