{"product_id":"square-d-q221150ac-circuit-breaker","title":"Square D | Q221150AC | Circuit Breaker | 150A | 2-Pole | 240V","description":"\u003cdiv\u003e\n\u003cp\u003eSquare D Q221150AC Circuit Breaker is your OEM-grade solution for 240V systems, delivering dependable 150A protection in a compact 2-Pole design. Built for maintenance, retrofit, and replacement projects, this breaker helps keep panels performing as intended with minimal downtime.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 150 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 2-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240V\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eImportant compatibility note:\u003c\/strong\u003e Confirm fit and ratings before ordering. The part number Q221150AC is the best reference for compatibility across Square D panels and configurations.\u003c\/p\u003e \u003cp\u003eWhy this Q221150AC is a smart choice for your electrical protection needs:\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eOEM reliability\u003c\/strong\u003e — Designed and manufactured by Square D to match the original equipment’s performance, ensuring predictable protection characteristics and seamless integration with existing panel infrastructure.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e Retrofit-ready\u003c\/strong\u003e — Ideal for upgrading or replacing aging breakers in service panels, with a footprint and connection approach that aligns with standard Square D configurations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e Practical applicability\u003c\/strong\u003e — Suitable for residential, commercial, or light industrial circuits that require robust 150A, 240V two-pole protection, helping to safeguard feeders and branch circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e Clear compatibility guidance\u003c\/strong\u003e — Rely on the part number as the primary reference to verify exact fitment and ratings, reducing guesswork during procurement.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse scenarios and tips for getting it right:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eWhen performing panel maintenance or upgrades, keep Q221150AC on hand as a direct replacement to minimize panel downtime.\u003c\/li\u003e \u003cli\u003eBefore ordering, check your panel label and service panel model to ensure the Q221150AC aligns with your system’s amperage, voltage, and bus connection requirements.\u003c\/li\u003e \u003cli\u003eDuring installation, follow standard electrical safety practices and torque specifications for terminal connections to ensure reliable performance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhether you’re refreshing an aging panel, retrofitting to a higher load, or stocking parts for routine maintenance, the Square D Q221150AC 150A 2-Pole 240V circuit breaker delivers dependable protection with straightforward compatibility — backed by the assurance of the Square D legacy.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46425643384994,"sku":"Q221150AC","price":310.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a085eff1-75dd-47ee-b131-4c8df8f0489b.png?v=1765492976","url":"https:\/\/www.ampstate.com\/products\/square-d-q221150ac-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}