{"product_id":"square-d-qo320gfi-20a-240v-3-pole-plug-in-circuit-breaker","title":"Square D QO320GFI - 20 A, 240 V, 3-Pole Plug-In Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Square D QO320GFI — a rugged 20A, 240V, 3-pole plug-in molded case circuit breaker designed to deliver reliable branch circuit protection in panelboards and load centers. This QO320GFI model blends a fast plug-in connection with a thermal-magnetic trip unit, providing stable, repeatable protection against both overloads and short circuits.\u003c\/p\u003e \u003ch2\u003eWhy this breaker stands out\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eFast plug-in installation\u003c\/strong\u003e — minimizes downtime during replacement or upgrades in panelboards and load centers.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal‑magnetic trip\u003c\/strong\u003e — combines temperature-based and magnetic response to deliver precise, dependable protection across varying electrical loads.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole, 240V, 20A configuration\u003c\/strong\u003e — ideal for multi‑wire or 3‑phase circuits in residential, commercial, and light industrial settings.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMolded‑case, plug‑in design\u003c\/strong\u003e — compact, sturdy housing engineered for compatibility with OEM load centers and panelboards.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM compatibility\u003c\/strong\u003e — crafted to pair with matching Square D panels for smooth installation and reliable performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applications\u003c\/strong\u003e — suitable for a range of environments from home electrical panels to small commercial setups and light industrial equipment.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eTechnical specifications\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 QO320GFI\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermal‑magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage Rating:\u003c\/strong\u003e 20A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of Poles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting Style:\u003c\/strong\u003e Plug‑in\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Branch circuit overcurrent and short‑circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eIdeal use cases and scenarios\u003c\/h2\u003e\n\u003cp\u003eUse the QO320GFI in panelboards and load centers where a robust 3‑pole solution is needed to protect 240V circuits. It’s well suited for multi‑wire branch circuits in residential basements, commercial electrical rooms, and light industrial equipment feeds. If you’re upgrading an aging panel or replacing a tripped breaker, this plug‑in unit offers a straightforward swap that minimizes downtime and maintains consistent protection performance.\u003c\/p\u003e \u003ch2\u003eWhat you gain with this model\u003c\/h2\u003e\n\u003cp\u003eWith the Square D QO320GFI, you’re choosing a dependable, industry‑standard breaker that delivers:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eClear protection with a reliable thermal‑magnetic trip curve that responds predictably to overloads and short circuits.\u003c\/li\u003e \u003cli\u003eSimple maintenance and faster service thanks to a plug‑in design that simplifies installation and replacements.\u003c\/li\u003e \u003cli\u003eConfidence in compatibility across OEM panelboards and load centers for a unified electrical system.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355404751010,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-qo320gfi-20-a-240-v-3-pole-plug-in-circuit-breaker-772.webp?v=1788754963","url":"https:\/\/www.ampstate.com\/products\/square-d-qo320gfi-20a-240v-3-pole-plug-in-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}