{"product_id":"dfc421-20a-125-250v-3-phase-fusible-bus-plug","title":"DFC421 - 20A, 125\/250V, 3-Phase, Fusible Bus Plug","description":"\u003cdiv\u003e\n\u003cp\u003eThe DFC421 Fusible Bus Plug is engineered to deliver dependable power distribution in the most demanding industrial and commercial environments. With a 20A amperage, a versatile 125\/250V rating, and a true 3‑phase design, this bus plug keeps critical equipment energized while preserving system protection and reliability.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e DFC421\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Fusible Bus Plug\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 20A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 125\/250V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePhase \/ Poles:\u003c\/strong\u003e 3‑Phase\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Busway and panelboard power distribution systems\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eDesigned for maintenance, repair, and upgrade projects, the DFC421 excels where compatible, hard-to-find busplugs are required. It’s an ideal fit for facilities that rely on uninterrupted power to drive process equipment, assembly lines, and critical service circuits.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhy choose the DFC421?\u003c\/strong\u003e Its fusible design provides targeted overcurrent protection within a compact bus plug form factor, enabling quick replacements and simplified protection coordination in complex power networks. This makes it especially valuable during retrofits or capacity upgrades where downtime must be minimized and compatibility with existing busways and panelboards is essential.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eOptimal use scenarios:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eIndustrial plants upgrading motor drives, conveyors, or processing equipment\u003c\/li\u003e \u003cli\u003eCommercial facilities incorporating new electrical feeders into existing busway systems\u003c\/li\u003e \u003cli\u003eRetrofit projects where traditional bus plugs are scarce or hard to source\u003c\/li\u003e \u003cli\u003eMaintenance shutdowns requiring a reliable, readily available fusible bus plug solution\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThe DFC421 is a practical, purpose-built solution for professionals who demand stable power distribution, precise protection, and easy integration with 3‑phase busway and panelboard architectures. If you’re coordinating upgrades or replacements in busy facilities, this fusible bus plug helps you keep systems running smoothly with confidence.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default","offer_id":46392185094306,"sku":"DFC421","price":1057.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_41b8024b-a3ed-43a7-b71c-468f619ee647.png?v=1765405196","url":"https:\/\/www.ampstate.com\/products\/dfc421-20a-125-250v-3-phase-fusible-bus-plug","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}