{"product_id":"square-d-q221100ac-circuit-breaker","title":"Square D | Q221100AC | Circuit Breaker | 100A | 2-Pole | 240V","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Square D Q221100AC circuit breaker—an exact-fit protection device designed for 100A circuits in 240V systems. Built for maintenance, retrofit, and replacement projects, this two-pole breaker delivers reliable overcurrent protection when you need it most, matching the original specifications in compatible panels.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 100A\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\u003eWhy choose this exact part?\u003c\/strong\u003e The Q221100AC is the proven reference for compatibility with Square D panels and enclosures. Using the exact part number reduces guesswork, speeds up procurement, and helps maintain code-compliant protection for your electrical system. When you’re upgrading a panel, replacing a failed breaker, or balancing a retrofit, this model ensures consistent performance and a straightforward swap.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWho it's for\u003c\/strong\u003e: electricians handling panel refurbishments, facility managers upgrading electrical infrastructure, and homeowners restoring a legacy electrical system where the original 100A, 2-pole, 240V protection is required.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eUse cases and benefits\u003c\/strong\u003e:\n\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMaintenance: replace a worn or tripped 100A\/main feeder circuit without altering panel wiring.\u003c\/li\u003e \u003cli\u003eRetrofit: update older installations to current protection standards while preserving panel compatibility.\u003c\/li\u003e \u003cli\u003eReplacement: restore reliable, code-compliant overcurrent protection in 240V circuits quickly with an exact-match component.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eTo ensure a perfect fit, \u003cem\u003econfirm the panel’s compatibility by referencing the part number Q221100AC\u003c\/em\u003e and reviewing the panel’s ratings before ordering. This ensures you maintain proper protection levels and electrical safety across your system.\u003c\/p\u003e \u003cp\u003eInstallation note: rely on a licensed professional or refer to your panel’s manufacturer guidance when replacing breakers, and keep the original labeling for future maintenance checks. This Square D Q221100AC 100A, 2-pole, 240V breaker is designed to integrate smoothly into compatible Square D setups, delivering dependable performance where it matters most.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426627342498,"sku":"Q221100AC","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_16d3a2fb-5d93-424c-9206-5031ec4b178f.png?v=1765492977","url":"https:\/\/www.ampstate.com\/products\/square-d-q221100ac-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}