{"product_id":"square-d-qda221101-circuit-breaker","title":"Square D | QDA221101 | Circuit Breaker | 110A | 2-Pole","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D QDA221101 circuit breaker — a purpose-built protection device engineered for reliability in maintenance, retrofit, and replacement projects where exact specifications matter. With a 110A rating and a two-pole design, this breaker provides coordinated protection for two conductors, helping you safeguard multi‑wire circuits and essential equipment.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eExact compatibility for your project\u003c\/strong\u003e: Part number QDA221101 is the most reliable reference for matching your panel requirements. Always confirm fit and ratings before ordering to ensure a seamless installation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e110A, 2-pole design\u003c\/strong\u003e: Delivers robust overcurrent protection across both hot legs, promoting safer shutdown and reducing the risk of nuisance trips in demanding electrical environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaintenance, retrofit, and replacement ready\u003c\/strong\u003e: Specifically suited for upgrading aging systems, replacing failed breakers, or retrofitting panels that require the 110A, 2-pole configuration.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBuilt by Square D for dependable performance\u003c\/strong\u003e: Designed to meet industry standards and deliver long-term reliability in commercial, industrial, and residential panels that rely on quality protective devices.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWho benefits most: electricians, facilities managers, and property owners tackling panel maintenance or upgrades where precise protection levels and pole configuration are critical. Use cases include upgrading legacy panels to maintain code compliance, replacing a worn-out breaker without compromising circuit protection, or integrating into a new installation that demands an exact 110A, two‑pole solution.\u003c\/p\u003e \u003cp\u003ePractical guidance: always verify the panel’s acceptance of QDA-type breakers and compare both amperage and pole count to your existing setup. Since the part number is your best compatibility reference, keep it handy during ordering and cross-check against your panel label or manufacturer documentation. When in doubt, consult a licensed electrician to confirm proper fit and safe installation.\u003c\/p\u003e \u003cp\u003eIn short, the Square D QDA221101 110A 2-pole circuit breaker is a precise, reliable choice for maintenance, retrofit, and replacement tasks where matching specs is non-negotiable. It’s more than a component — it’s a safeguard for the systems you rely on.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426868514978,"sku":"QDA221101","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-qda221101-circuit-breaker-110a-2-pole-952.webp?v=1789633232","url":"https:\/\/www.ampstate.com\/products\/square-d-qda221101-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}