{"product_id":"square-d-qda320906-circuit-breaker","title":"Square D | QDA320906 | Circuit Breaker | 90A | 3-Pole | Plug-In","description":"\u003cdiv\u003e\n\u003ch2\u003eSquare D QDA320906 Circuit Breaker — 90A, 3-Pole, Plug-In\u003c\/h2\u003e\n\u003cp\u003eThe Square D QDA320906 is a high‑reliability circuit breaker engineered for maintenance, retrofit, and replacement projects where exact compatibility matters. This 90‑amp, 3‑pole plug‑in model protects complex, multi‑wire or three‑phase circuits with robust performance and straightforward installation.\u003c\/p\u003e \u003ch3\u003eKey details at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 90 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePole configuration:\u003c\/strong\u003e 3‑Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting style:\u003c\/strong\u003e Plug-In\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart reference:\u003c\/strong\u003e QDA320906\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy these specs matter: A 90A trip rating provides reliable overload protection for heavy‑duty circuits, while the 3‑pole design supports multi‑wire or three‑phase configurations. The plug‑in form factor enables quicker, cleaner swaps that minimize downtime during service or upgrades.\u003c\/p\u003e \u003ch3\u003eWhat this breaker is best for\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eMaintenance:\u003c\/strong\u003e Swap in minutes without altering bus connections, reducing panel downtime.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRetrofits:\u003c\/strong\u003e Upgrade to a trusted, compatible unit that matches existing panel architecture.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReplacement:\u003c\/strong\u003e Ideal for replacing a failed unit with an exact part reference to maintain protection standards.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility and installation guidance\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, verify fit and ratings — the part number QDA320906 is the most reliable reference for compatibility. This ensures seamless integration with Square D panels that accept QDA‑type plug‑in breakers, helping you avoid mismatches and install delays.\u003c\/p\u003e \u003ch3\u003ePractical considerations and expert tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eCheck your panel labeling and documentation to confirm that QDA plug‑in breakers are supported by your specific model.\u003c\/li\u003e \u003cli\u003eIf you’re replacing a similar 90A, 3‑pole unit, this breaker offers a straightforward, minimal‑downtime swap.\u003c\/li\u003e \u003cli\u003eKeep a small stock of compatible breakers on hand for proactive maintenance and faster service times.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eDesigned for demanding electrical environments, the Square D QDA320906 delivers precise protection, reliable operation, and a plug‑in installation path that helps professionals keep systems running smoothly with less disruption.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46427411611810,"sku":"QDA320906","price":1702.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-qda320906-circuit-breaker-90a-3-pole-plug-920.webp?v=1789718991","url":"https:\/\/www.ampstate.com\/products\/square-d-qda320906-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}