{"product_id":"square-d-q1245-circuit-breaker","title":"Square D | Q1245 | Circuit Breaker | 45A | 2-Pole | 240V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D Q1245 circuit breaker—a precise, reliable protection device designed for maintenance, retrofit, and replacement projects where exact specifications matter. With a 45A rating, 2-pole configuration, and 240V operation, this unit ensures your electrical circuits stay guarded under demanding conditions while matching the original panel design.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 45A\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 \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e Q1245\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility and installation notes\u003c\/h3\u003e\n\u003cp\u003eFor a successful fit, always \u003cstrong\u003econfirm the exact fit and ratings before ordering\u003c\/strong\u003e. The part number (Q1245) is your best reference when checking compatibility with your panel or load center, ensuring you maintain proper protection without unintended interruptions.\u003c\/p\u003e \u003ch3\u003eUse cases and who benefits\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eMaintenance:\u003c\/strong\u003e Replace aging or failed breakers to restore reliable overcurrent protection in your electrical system.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRetrofit:\u003c\/strong\u003e Update or modify panels to accommodate circuits that require a 45A, 240V, 2-pole solution.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReplacement:\u003c\/strong\u003e Remove a damaged or obsolete breaker and swap in a like-for-like Q1245 to preserve panel continuity.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this matters\u003c\/h3\u003e\n\u003cp\u003eChoosing the \u003cstrong\u003eQ1245\u003c\/strong\u003e ensures you’re aligning with Square D’s established protection standards. A precise match to 45A, 2-pole, 240V specifications minimizes compatibility risk and helps maintain panel reliability, protection coordination, and code-compliant operation across your electrical system.\u003c\/p\u003e \u003ch3\u003ePractical guidance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eKeep a record of the exact part number (Q1245) to streamline future maintenance and replacements.\u003c\/li\u003e \u003cli\u003eBefore installation, verify that the panel’s labeling, bus type, and space accommodate a 2-pole 240V device of this rating.\u003c\/li\u003e \u003cli\u003eStore and handle circuit breakers in a clean, dry environment to prevent corrosion or mechanical damage that could affect performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46427413971106,"sku":"Q1245","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-q1245-circuit-breaker-45a-2-pole-240v-680.webp?v=1789719493","url":"https:\/\/www.ampstate.com\/products\/square-d-q1245-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}