{"product_id":"square-d-qo3020-20a-120v-1-pole-plug-in-circuit-breaker","title":"Square D QO3020 - 20 A, 120 V, 1-Pole Plug-In Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D QO3020 20A, 120V, 1-Pole Plug-In Circuit Breaker—a compact, reliable solution from AmpState for safeguarding electrical circuits. This molded case breaker delivers dependable branch circuit overcurrent and short-circuit protection, designed to snap into compatible panelboards and load centers with ease.\u003c\/p\u003e \u003ch3\u003eWhy this breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eFast plug-in connection:\u003c\/strong\u003e Simplifies installation and replacement, reducing downtime during upgrades or maintenance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit:\u003c\/strong\u003e Delivers stable, repeatable protection by responding to both sustained overloads and sudden faults, even as temperatures shift.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e1-pole, 20A at 120V:\u003c\/strong\u003e Ideal for protecting individual branch circuits in residential, commercial, and light industrial settings.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM compatibility:\u003c\/strong\u003e Specifically designed to work with matching Square D QO load centers and panelboards for a secure, code-compliant fit.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDurable, molded-case construction:\u003c\/strong\u003e Built to endure routine panel maintenance and the demands of real-world electrical environments.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat it protects and where it’s used\u003c\/h3\u003e\n\u003cp\u003eThe QO3020 provides essential protection for branch circuits against overcurrent and short circuits. With its plug-in mounting and QO-series compatibility, it’s well-suited for service panels in homes, small commercial spaces, and light industrial facilities where quick replacements and reliable trip performance matter most.\u003c\/p\u003e \u003ch3\u003eTechnical snapshot\u003c\/h3\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 QO3020\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 120V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of poles:\u003c\/strong\u003e 1\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 \u003ch3\u003ePractical tips and best practices\u003c\/h3\u003e\n\u003cp\u003eWhen upgrading or expanding an electrical panel, choose a breaker that explicitly matches the panel’s labeling and the QO family to ensure a seamless fit and compliant protection. The plug-in design is especially beneficial during panel maintenance or when adding new circuits, as it minimizes downtime and wiring complexity while maintaining solid, code-compliant protection.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355403505826,"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_e26cef9f-e6ee-40f7-a754-869773a9aba0.png?v=1764691851","url":"https:\/\/www.ampstate.com\/products\/square-d-qo3020-20a-120v-1-pole-plug-in-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}