{"product_id":"square-d-qba221104-110a-2-pole-plug-in-circuit-breaker","title":"Square D QBA221104 - 110 A, 2-Pole Plug-In Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Square D QBA221104—a 110 A, 2-pole plug-in molded case circuit breaker built for dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. With a fast plug-in connection and a thermal-magnetic trip unit, this breaker delivers quick installation, reliable protection, and straightforward maintenance in a single, compact package.\u003c\/p\u003e \u003ch2\u003eWhy this breaker stands out\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eQuick plug-in connection\u003c\/strong\u003e supports fast installation or replacement, minimizing downtime during panel upgrades or servicing.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection—responding precisely to overload conditions while instantly interrupting severe short circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible design\u003c\/strong\u003e engineered to pair with matching Square D load centers and panelboards for seamless integration and consistent performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile for multiple environments\u003c\/strong\u003e suited to residential, commercial, and light industrial applications where dependable circuit protection is essential.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhat it protects\u003c\/h2\u003e\n\u003cp\u003eThis 2-pole molded case breaker safeguards against branch circuit overcurrent and short-circuit events. By delivering a fast, predictable trip response, it helps prevent wiring damage, minimizes fire risk, and preserves the longevity of your electrical system.\u003c\/p\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 QBA221104\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 110 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of poles:\u003c\/strong\u003e 2\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 scenarios\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eUpgrading or expanding panelboards and load centers in both new installations and retrofit projects.\u003c\/li\u003e \u003cli\u003eReplacing aging or non-functioning breakers in compatible Square D systems to restore reliable protection.\u003c\/li\u003e \u003cli\u003eResidential service panels that require robust 2-pole protection for large branch circuits.\u003c\/li\u003e \u003cli\u003eCommercial or light industrial distribution where rapid serviceability and dependable trip performance are priorities.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eInstallation and compatibility tips\u003c\/h2\u003e\n\u003cp\u003eEnsure you pair this plug-in breaker with a matching OEM load center or panelboard designed for Square D molded case breakers. Always verify panel labeling and rating to confirm 110 A, 2-pole protection is appropriate for the circuit in question. The plug-in design simplifies field replacements, but proper shutdown and lockout procedures should be followed during installation or servicing.\u003c\/p\u003e \u003cp\u003eChoose the Square D QBA221104 for a reliable, easy-to-install protection solution that aligns with your existing Square D infrastructure, delivering consistent performance across residential, commercial, and light industrial electrical systems.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355368181922,"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_00be7d97-5281-4c05-b4e1-f7c3d9d91b8b.png?v=1764691563","url":"https:\/\/www.ampstate.com\/products\/square-d-qba221104-110a-2-pole-plug-in-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}