{"product_id":"square-d-qou145-circuit-breaker","title":"Square D | QOU145 | Circuit Breaker | 1-Pole | 240V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D QOU145 1-Pole 240V Bolt-On Circuit Breaker—the precise, ready-to-install solution for maintenance, retrofit, and replacement projects that require a bolt-on, single-pole device. Built to align with Square D panel configurations, this breaker delivers dependable overcurrent protection for 240V circuits when a dedicated 1-pole solution is specified.\u003c\/p\u003e \u003ch2\u003eKey reasons to choose the QOU145\u003c\/h2\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eMakes compatibility clear:\u003c\/strong\u003e Model QOU145 is designed for bolt-on mounting in Square D panels, with a 1-pole, 240V rating that fits specific configurations where a single-pole 240V device is required.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting:\u003c\/strong\u003e The bolt-on design provides a robust, vibration-resistant connection that stays put, reducing the risk of loose connections over time.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIdeal for targeted installations:\u003c\/strong\u003e Optimal for maintenance, retrofit, and replacement tasks where a 1-pole 240V bolt-on breaker is specified by the panel design.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eGuaranteed reference for compatibility:\u003c\/strong\u003e The part number itself (QOU145) is the best reference to ensure you’re selecting the correct device for your panel.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat problems this solves\u003c\/h3\u003e \u003cp\u003eWhen your panel calls for a 1-pole 240V bolt-on breaker, the QOU145 provides precise fitment and reliable protection for your 240V circuit. It helps you maintain electrical safety, reduce downtime during replacements, and keep panel configurations consistent with manufacturer recommendations.\u003c\/p\u003e \u003ch3\u003eUse cases and practical scenarios\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eRetrofit projects where existing equipment relies on Square D bolt-on single-pole 240V breakers.\u003c\/li\u003e \u003cli\u003eMaintenance replacements in commercial spaces that use a 240V single-pole configuration.\u003c\/li\u003e \u003cli\u003eRepairs or upgrades in panels that specify QOU145 as the compatible 1-pole, 240V bolt-on option.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eHow to ensure a confident purchase\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eAlways verify fit and ratings before ordering—use the part number QOU145 as your primary compatibility reference.\u003c\/li\u003e \u003cli\u003eConsult your panel’s documentation to confirm that a bolt-on, 1-pole 240V device matches the required configuration.\u003c\/li\u003e \u003cli\u003eSource and handle with power off, following standard electrical safety practices to protect yourself and the system during replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426714931362,"sku":"QOU145","price":193.0,"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-qou145-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}