{"product_id":"square-d-qda221754-175a-2-pole-plug-in-circuit-breaker","title":"Square D QDA221754 - 175 A, 2-Pole Plug-In Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSquare D QDA221754\u003c\/strong\u003e is a 175A, 2-pole plug-in molded case circuit breaker designed to deliver reliable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Built to fit seamlessly into the OEM ecosystem, it ensures safe, code-compliant protection for everyday electrical systems.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eFast plug-in connection:\u003c\/strong\u003e quick installation and easy replacement minimizes downtime during panel servicing.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit:\u003c\/strong\u003e provides stable, repeatable protection characteristics that respond to both overloads (thermal) and short circuits (magnetic).\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible:\u003c\/strong\u003e designed to work with matching Square D load centers and panelboards to maintain proper fit and electrical coordination.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applications:\u003c\/strong\u003e suitable for residential, commercial, and light industrial panel setups needing robust 2-pole protection up to 175A.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eTechnical snapshot\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Square D\u003c\/li\u003e \u003cli\u003ePart Number: QDA221754\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage Rating: 175 A\u003c\/li\u003e \u003cli\u003eNumber of Poles: 2\u003c\/li\u003e \u003cli\u003eMounting Style: Plug-in\u003c\/li\u003e \u003cli\u003eApplication: Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWho is this for? For electricians and facility managers upgrading or maintaining panelboards where a reliable, high-current, 2-pole plug-in breaker is required. If you’re expanding a load center or replacing an aging breaker, the Square D QDA221754 provides a trusted, OEM-compatible solution designed to integrate with existing protection schemes.\u003c\/p\u003e \u003cp\u003ePractical usage and care tips:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eBefore installation, confirm the panelboard accepts a 2-pole plug-in breaker in the 175A range and that the replacement matches the OEM part number and trip characteristics.\u003c\/li\u003e \u003cli\u003eKeep the plug-in connection clean and free of corrosion; handle with the power off and use proper electrical PPE.\u003c\/li\u003e \u003cli\u003eStock spares for service windows in commercial spaces to minimize downtime during panel servicing.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy choose a Square D QDA221754 over alternative breakers? The combination of a fast plug-in connection, a thermal-magnetic trip unit, and explicit OEM compatibility ensures you’re not just buying a breaker—you’re investing in consistent protection coordination, streamlined maintenance, and long-term reliability for your electrical distribution system.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355376111778,"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_1a3289cb-5e26-4e1a-862b-32d2850b7c3c.png?v=1764691633","url":"https:\/\/www.ampstate.com\/products\/square-d-qda221754-175a-2-pole-plug-in-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}