{"product_id":"square-d-sd4203-30a-240v-fusible-bus-plug","title":"Square D SD4203 - 30A, 240V, Fusible Bus Plug","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Square D SD4203 Fusible Bus Plug—a purpose-built solution for dependable power distribution in demanding industrial and commercial environments. With a 30A current rating and 240V operating voltage, this fusible plug is engineered to integrate seamlessly into busway and panelboard systems, delivering reliable, fuse-protected distribution for critical feeders and process equipment.\u003c\/p\u003e \u003ch2\u003eWhat it is and how it works\u003c\/h2\u003e \u003cp\u003eThe SD4203 combines a robust bus plug form factor with integrated fusible protection. Designed for use in Square D busway and panelboard power distribution systems, it provides a dedicated, fuse-protected connection point that supports efficient maintenance, retrofit, and upgrade work in challenging facilities.\u003c\/p\u003e \u003ch2\u003eKey specifications\u003c\/h2\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Square D\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e SD4203\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Fusible Bus Plug\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 30A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 240V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Busway and panelboard power distribution systems\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eIdeal use cases\u003c\/h2\u003e \u003cp\u003eThis listing is ideal for maintenance, repair, and upgrade projects where compatible, hard-to-find busplugs are required. Typical scenarios include:\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003eIndustrial plants that depend on reliable, protected feeders within a busway layout\u003c\/li\u003e\n\u003cli\u003eCommercial facilities undergoing retrofit or expansion of power distribution without extensive rewiring\u003c\/li\u003e\n\u003cli\u003eProcess equipment installations needing consistent, fuse-protected connections\u003c\/li\u003e\n\u003cli\u003eDowntime-sensitive projects where authentic, compatible bus plugs minimize disruption\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy choose the Square D SD4203\u003c\/h2\u003e \u003cp\u003eChoosing a genuine Square D bus plug ensures seamless integration with your existing Square D infrastructure. The SD4203 supports dependable overcurrent protection at the point of distribution, helping to protect feeders and critical equipment while simplifying maintenance and future upgrades. Its compatibility with Square D busways and panelboards means fewer compatibility concerns and smoother project execution.\u003c\/p\u003e \u003ch2\u003eInstallation and compatibility notes\u003c\/h2\u003e \u003cp\u003eEngineered for use in Square D busway and panelboard systems, the SD4203 is the right choice for professionals who require a trustworthy, form-fit fuse plug for their power distribution architecture. Always confirm compatibility with your specific busway model and adhere to all local electrical codes and safety best practices during installation and servicing.\u003c\/p\u003e \u003ch2\u003eWho this is for\u003c\/h2\u003e \u003cp\u003eMaintenance teams, electrical contractors, facilities engineers, and retrofit project managers who need authentic, hard-to-find Square D bus plugs will find the SD4203 to be a reliable, straightforward option for protecting feeders and enabling efficient upgrades in demanding environments.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default","offer_id":46392223006882,"sku":"SD4203","price":882.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_d1ee3871-ff0f-438e-a5ee-864a1ce86732.png?v=1765406349","url":"https:\/\/www.ampstate.com\/products\/square-d-sd4203-30a-240v-fusible-bus-plug","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}