{"product_id":"square-d-qo120cp-20a-120v-1-pole-plug-in-circuit-breaker","title":"Square D QO120CP - 20 A, 120 V, 1-Pole Plug-In Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the \u003cstrong\u003eSquare D QO120CP\u003c\/strong\u003e — a \u003cstrong\u003e20A\u003c\/strong\u003e, \u003cstrong\u003e120V\u003c\/strong\u003e, \u003cstrong\u003e1-pole\u003c\/strong\u003e plug-in molded case circuit breaker designed to protect individual branch circuits in panelboards and load centers.\u003c\/p\u003e\n\u003cp\u003eDesigned for rapid installation and straightforward replacement, this plug-in breaker snaps into compatible panelboards and load centers, so you can restore power quickly after an overload or short circuit. The \u003cstrong\u003ethermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection by combining thermal sensing for overload with magnetic trip for instantaneous short-circuit response.\u003c\/p\u003e\n\u003ch3\u003eKey benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast plug-in connection\u003c\/strong\u003e means minimal downtime during maintenance or expansion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal-magnetic protection\u003c\/strong\u003e delivers precise tripping behavior across a wide range of currents, reducing nuisance trips and protecting sensitive devices.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM compatibility\u003c\/strong\u003e with matching Square D load centers and panelboards ensures a reliable, plug-and-play fit without adapters.\u003c\/li\u003e\n\u003cli\u003eIdeal for \u003cstrong\u003eresidential\u003c\/strong\u003e, \u003cstrong\u003ecommercial\u003c\/strong\u003e, and \u003cstrong\u003elight industrial\u003c\/strong\u003e circuits needing dependable branch circuit protection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical snapshot\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer\u003c\/strong\u003e: Square D\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number\u003c\/strong\u003e: QO120CP\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType\u003c\/strong\u003e: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmperage\u003c\/strong\u003e: 20A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage\u003c\/strong\u003e: 120V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoles\u003c\/strong\u003e: 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Style\u003c\/strong\u003e: Plug-in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication\u003c\/strong\u003e: Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePractical use cases\u003c\/h3\u003e\n\u003cp\u003eUse the Square D QO120CP for individual lighting circuits, receptacle branches, or small equipment loads inside panelboards and load centers. When adding a new circuit in a basement remodel, a workshop, or a small office, rely on this 1-pole breaker to protect a dedicated branch with predictable, reliable trip behavior.\u003c\/p\u003e\n\u003ch3\u003eWhy choose this over generic breakers?\u003c\/h3\u003e\n\u003cp\u003eUnlike generic substitutes, the QO120CP is built to the specifications of Square D's QO family, ensuring a snug, secure fit in compatible panelboards and load centers. The combination of a fast plug-in design and a robust thermal-magnetic trip curve minimizes downtime and improves circuit reliability over time.\u003c\/p\u003e\n\u003ch3\u003eTips for best results\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVerify your panelboard accepts QO style plug-in breakers before replacement.\u003c\/li\u003e\n\u003cli\u003eKeep a few on hand for quick swaps during upgrades or repairs—fast replacement reduces downtime.\u003c\/li\u003e\n\u003cli\u003ePair with matching OEM devices and labeling in your panel to maintain organized, safe electrical distribution.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355396034722,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/schnieder_and_square_d_breaker_and_panel_b52f87ec-0ab5-4551-94a4-8c90e06435ca.png?v=1764691772","url":"https:\/\/www.ampstate.com\/products\/square-d-qo120cp-20a-120v-1-pole-plug-in-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}