{"product_id":"square-d-sd9453-fusible-bus-plug","title":"Square D | SD9453 | Fusible Bus Plug | 100A | 240V","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D SD9453 Fusible Bus Plug is a purpose-built solution for maintenance, retrofit, and replacement tasks within compatible Square D gear. engineered to handle 100A at 240V, this fusible bus plug delivers targeted protection where you need it most—without rebuilding your entire panel.\u003c\/p\u003e \u003cp\u003eDesigned for reliability and ease of use, the SD9453 plugs into compatible bus configurations to restore or upgrade protective capability in existing switchgear. Its clear, part-numbered identity helps you verify compatibility quickly, so you can minimize downtime and keep critical circuits protected during service work or lifecycle upgrades.\u003c\/p\u003e \u003ch3\u003eKey details\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 100A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e SD9453\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIntended use:\u003c\/strong\u003e Maintenance, retrofit, and replacement where matching specs are required\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy choose this fusible bus plug\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eTargeted protection that avoids a full panel replacement, reducing downtime and costs while keeping your distribution system secure.\u003c\/li\u003e \u003cli\u003eSeamless compatibility with Square D equipment—using the exact SD9453 part number ensures you’re selecting the right fit for your switchgear.\u003c\/li\u003e \u003cli\u003eClear fit verification with a straightforward rating match: 100A at 240V supports mid-range feeders and essential circuits in many industrial and commercial applications.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eHow it solves real-world problems\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eMaintenance windows shortened:\u003c\/strong\u003e Swap in the fusible bus plug to restore protected service quickly during preventive maintenance or fuse-related issues.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRetrofits made simple:\u003c\/strong\u003e Upgrade non-fusible configurations to a fusible protection scheme without a full panel redesign.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReplacement confidence:\u003c\/strong\u003e When a bus plug is damaged or worn, SD9453 provides a direct, compatible replacement reference to maintain system integrity.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWho this is for\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eElectrical contractors performing panel maintenance, retrofits, or protective upgrades in Square D installations.\u003c\/li\u003e \u003cli\u003eFacility engineers and maintenance teams seeking reliable, install-ready protection that matches existing specs.\u003c\/li\u003e \u003cli\u003eIndustrial operators needing efficient downtime management while preserving equipment compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and best practices\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAlways confirm fit and ratings before ordering, since the part number is the best reference for compatibility.\u003c\/li\u003e \u003cli\u003eHave a qualified electrician perform installation to ensure proper seating, connections, and adherence to safety standards.\u003c\/li\u003e \u003cli\u003eKeep a spare SD9453 on hand for rapid maintenance cycles and minimized outage time.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWith the Square D SD9453 Fusible Bus Plug, you gain a precise, compatible, and practical solution for maintaining, upgrading, or replacing protection on your Square D distribution system—delivering peace of mind with every connection.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46425718456482,"sku":"SD9453","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-sd9453-fusible-bus-plug","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}