{"product_id":"square-d-qo320swn-20a-3p-circuit-breaker","title":"Square D QO320SWN 20A 3P Circuit Breaker, QO, Plug-On | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D QO320SWN 20A 3P Circuit Breaker — a plug-on protective solution engineered for dependable performance in panelboards, load centers, and broad electrical distribution setups. Designed to be a direct-fit replacement, it’s ideal for retrofit work and maintenance planning when the part number needs to stay consistent, keeping your electrical system humming without unnecessary downtime.\u003c\/p\u003e \u003ch2\u003eWhat makes the QO320SWN stand out\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePlug-On convenience\u003c\/strong\u003e: Quick, tool-free installation that snaps onto compatible bus bars, reducing service time during upgrades or routine maintenance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole design\u003c\/strong\u003e: Provides balanced protection for multi-phase circuits, enhancing safety and reliability in commercial and larger residential installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e20 Amp protection\u003c\/strong\u003e: Precisely rated to guard dedicated circuits and appliances while supporting efficient electrical distribution.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eQO series compatibility\u003c\/strong\u003e: Part of Square D’s trusted QO family, ensuring consistent performance with a wide range of panelboards and load centers.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart-number stability\u003c\/strong\u003e: Specifically chosen for projects where keeping the same part number simplifies stocking, ordering, and maintenance planning.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eIdeal use cases\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eRetrofit projects in existing electrical panels where quick, reliable replacement is essential.\u003c\/li\u003e \u003cli\u003eMaintenance planning for facilities that require consistent, repeatable part numbers to streamline procurement.\u003c\/li\u003e \u003cli\u003eNew or upgrading installations in commercial settings that rely on robust, multi-pole protection for shared circuits.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy this matters for your project\u003c\/h2\u003e\n\u003cp\u003eThe QO320SWN isn’t just another breaker; it’s a dependable, plug-on solution designed to minimize system downtime and maintenance complexity. The three-pole 20A configuration protects multi-wire branch circuits effectively, while the plug-on design reduces installation time and potential errors. Because it’s part of the Square D QO lineup, you gain familiarity and compatibility across a broad range of panelboards and load centers, helping technicians work faster and with greater confidence.\u003c\/p\u003e \u003ch3\u003eCompatibility and support\u003c\/h3\u003e\n\u003cp\u003eNeed confirmation that this exact part fits your panel or distribution setup? AmpState offers guidance to verify compatibility and ensure a precise match for your electrical system. If you’re unsure about fit, reach out for expert help to confirm the right part number and replacement strategy.\u003c\/p\u003e \u003ch2\u003eTechnical snapshot\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Square D\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e QO320SWN\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Circuit Breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 20 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3 Poles\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e QO (Plug-On)\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoose the QO320SWN for a reliable, consistent, and retrofit-friendly 3-pole 20A protection solution that aligns with your existing Square D QO panel ecosystem. If you need help confirming compatibility or matching a part number, AmpState is ready to assist and keep your electrical project on track.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46410904010914,"sku":"QO320SWN","price":10.0,"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-qo320swn-20a-3p-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}