{"product_id":"square-d-qo120af-circuit-breaker","title":"Square D | QO120AF | Circuit Breaker | 120A | 1-Pole | 120V","description":"\u003cdiv\u003e\n\u003cp\u003eThe \u003cstrong\u003eSquare D QO120AF\u003c\/strong\u003e circuit breaker is a precise, single‑pole protection device designed for reliable 120V circuits in residential and light commercial panels. With a 120A rating, it provides dependable overcurrent protection for a dedicated hot leg, helping keep your electrical system safe and compliant.\u003c\/p\u003e \u003cp\u003eKey reasons to choose the QO120AF for your panel work:\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eExact-fit for Square D QO panels\u003c\/strong\u003e: This breaker is part of the QO family, and the part number \u003cstrong\u003eQO120AF\u003c\/strong\u003e is the best reference for compatibility. Always confirm fit and ratings before ordering.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaintenance, retrofit, and replacement ready\u003c\/strong\u003e: Ideal for servicing existing installations, upgrading aging panels, or stocking up for scheduled maintenance so you’re prepared when a breaker trips or wears out.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear electrical spec\u003c\/strong\u003e: 1‑Pole design for a single hot leg, operating at \u003cstrong\u003e120V\u003c\/strong\u003e with a \u003cstrong\u003e120A\u003c\/strong\u003e rating—suited to circuits that require higher current protection in a compact, easy-to-install package.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical considerations and tips:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eAlways verify the exact panel model and slot compatibility using the \u003cstrong\u003eQO120AF\u003c\/strong\u003e part number as your primary reference before purchasing.\u003c\/li\u003e \u003cli\u003eFollow local electrical codes and use proper safety procedures during installation. If you’re unsure about compatibility or installation, consult a licensed electrician.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse cases to consider:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eReplacing a damaged or worn one-pole breaker in a residential QO-panel to restore circuit protection for a dedicated 120V circuit such as lighting or outlets on that leg.\u003c\/li\u003e \u003cli\u003eRetrofit scenarios where a panel requires a 1‑pole, 120V solution with a straightforward, reliable form factor for quick servicing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426165051554,"sku":"QO120AF","price":1038.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-qo120af-circuit-breaker-120a-1-pole-120v-943.webp?v=1789525657","url":"https:\/\/www.ampstate.com\/products\/square-d-qo120af-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}