{"product_id":"square-d-q1b245-45a-2p-240v-circuit-breaker","title":"Square D Q1B245 45A 2P 240V Circuit Breaker, Bolt-On | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D Q1B245, a purpose-built 2-pole, 45 A, 240 V bolt-on circuit breaker designed to shield panelboards, load centers, and electrical distributions from overloads and faults. Built for retrofit work and maintenance planning, this part keeps your service strategy simple by preserving the exact part number you rely on.\u003c\/p\u003e \u003ch3\u003eWhy choose the Square D Q1B245?\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eBolt-on mounting\u003c\/strong\u003e for secure, straightforward installation in compatible Square D panels—reducing field time and ensuring solid electrical connections.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e2-pole, 240 V configuration\u003c\/strong\u003e provides robust protection for dual‑phase circuits commonly found in commercial and industrial settings.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e45 A rating\u003c\/strong\u003e suits a wide range of branch circuits and motor-start applications, delivering reliable protection where it matters most.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart-number stability\u003c\/strong\u003e ideal for retrofits and service planning—maintain consistent inventory and reduce downtime when replacing worn or failed protection devices.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmpState availability\u003c\/strong\u003e ensures a dependable source for this specific model, making replacements and stocking straightforward.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eRetrofit projects where you must keep the exact part number for compatibility with existing panels and replacement parts.\u003c\/li\u003e \u003cli\u003eMaintenance planning for facilities that rely on Square D protection devices and want consistent spares.\u003c\/li\u003e \u003cli\u003eElectrical distribution setups that require reliable 2-pole, 240 V protection for dual‑phase circuits.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eSpecifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Square D\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e Q1B245\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Circuit Breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 45 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 2\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Bolt-On\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Panelboards, Load Centers, Electrical Distribution\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eNeed help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46413669236898,"sku":"Q1B245","price":810.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_83963f7f-600e-419f-90c6-e7677089642b.png?v=1765492973","url":"https:\/\/www.ampstate.com\/products\/square-d-q1b245-45a-2p-240v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}