{"product_id":"square-d-qda221254-circuit-breaker","title":"Square D | QDA221254 | Circuit Breaker | 125A | 2-Pole","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D QDA221254 circuit breaker — a precise, reliable 125A, 2-pole protection device crafted for maintenance, retrofit, and replacement projects where exact compatibility matters. Built to integrate with Square D panels that accept QDA family breakers, this unit helps you maintain consistent electrical protection across your system.\u003c\/p\u003e \u003cp\u003eKey specifications at a glance:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage\u003c\/strong\u003e: 125A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles\u003c\/strong\u003e: 2-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eModel\u003c\/strong\u003e: QDA221254 (Square D)\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this breaker stands out\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eDefinitive compatibility reference\u003c\/strong\u003e: The part number QDA221254 is your best reference for matching breakers to panels that accept QDA family devices, reducing ordering guesswork.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDesigned for demanding 240V circuits\u003c\/strong\u003e: The 125A rating is ideal for high-load applications while preserving precise protection characteristics.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTwo-pole safety\u003c\/strong\u003e: Simultaneous disconnection of both hot legs improves protection for 240V loads and shared neutrals.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaintenance-friendly replacement\u003c\/strong\u003e: A straightforward drop-in replacement minimizes downtime during panel maintenance or upgrades.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eCompatibility and fit guidance\u003c\/p\u003e\n\u003cp\u003eBefore ordering, confirm fit and ratings by cross-referencing your panel's labeling and the equipment schedule. The QDA221254 is the best reference for compatibility, ensuring the breaker will engage correctly with your bus system and trip at the intended level.\u003c\/p\u003e \u003cp\u003eIdeal use scenarios\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eResidential or commercial panels that require a reliable 125A, 2-pole breaker for large 240V circuits.\u003c\/li\u003e \u003cli\u003eRetrofits where panels are upgraded to support QDA family devices for consistent protection characteristics.\u003c\/li\u003e \u003cli\u003eNew installations needing robust protection for high-draw equipment such as HVAC, electric water heating, or subpanel feeders.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eInstallation considerations\u003c\/p\u003e\n\u003cp\u003eProfessional installation is recommended. Ensure the panel is de-energized and follow all applicable electrical codes. The QDA221254 is designed to fit Square D panels that are listed to accept QDA breakers; verify bus login and mounting style before installation.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46425621037218,"sku":"QDA221254","price":310.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-qda221254-circuit-breaker-125a-2-pole-100.webp?v=1789431676","url":"https:\/\/www.ampstate.com\/products\/square-d-qda221254-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}