{"product_id":"square-d-qo120cafi-20a-1p-120v-circuit-breaker","title":"Square D QO120CAFI 20A 1P 120V Circuit Breaker, QO, AFCI, Combination AFCI | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D QO120CAFI is a purpose-built arc-fault circuit interrupter designed for robust protection in residential electrical systems. As a 1-pole, 20-amp, 120-volt AFCI breaker, it protects circuits in panelboards, load centers, and electrical distribution setups while preserving a consistent part number for retrofit projects and ongoing maintenance.\u003c\/p\u003e \u003cp\u003eKey features that matter in real-world installations:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eType and compatibility:\u003c\/strong\u003e QO family AFCI (Combination AFCI) designed for Square D panelboards and load centers, ensuring reliable fitment within existing QO setups.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eElectrical specs:\u003c\/strong\u003e 20 A, 1-pole, 120 V — a common configuration for living spaces and branch circuits requiring arc-fault protection.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRetrofit-friendly:\u003c\/strong\u003e Keeps part-number consistency for easier replacements and maintenance planning, minimizing downtime during upgrades or service work.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e Offered through AmpState, making it accessible for order-and-ship needs or replacement programs.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this AFCI breaker matters\u003c\/h3\u003e\n\u003cp\u003eArc-fault protection helps mitigate fire hazards by detecting dangerous arcing conditions and disconnecting the circuit before damage occurs. The QO120CAFI combines reliable circuit interruption with the convenience of a single-pole AFCI unit, making it a practical upgrade for spaces where electrical safety and code compliance are priorities.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eUpgrading aging circuits in existing panelboards and load centers to meet modern AFCI requirements.\u003c\/li\u003e \u003cli\u003eRetrofit projects where maintaining the same part number simplifies inventory and maintenance schedules.\u003c\/li\u003e \u003cli\u003eResidential electrical distribution where compact, reliable arc-fault protection is needed on standard 120V circuits.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eNeed help matching a part number or confirming compatibility with your panel? Message us and we’ll help you verify fit before you buy.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46410841522338,"sku":"QO120CAFI","price":330.0,"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\/square-d-qo120cafi-20a-1p-120v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}