{"product_id":"dfpba421-30a-240v-3-phase-fusible-bus-plug","title":"DFPBA421 - 30A, 240V, 3-Phase, Fusible Bus Plug","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the DFPBA421—the 30A, 240V, 3-Phase Fusible Bus Plug engineered for dependable power distribution in demanding industrial and commercial settings. This plug-in protection solution slides into busway and panelboard systems to deliver fast, reliable overcurrent protection where it matters most, keeping critical equipment up and running.\u003c\/p\u003e \u003ch2\u003eCore capabilities that make a difference\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eExact protection for 3-phase feeds:\u003c\/strong\u003e 30A fusible bus plug designed to interrupt fault currents and safeguard downstream equipment in 3-phase distribution networks.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e240V operation:\u003c\/strong\u003e Suitable for a wide range of industrial feeders and commercial power paths that use standard 240V services.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePlug-in convenience:\u003c\/strong\u003e Quick installation into compatible busway and panelboard architectures, enabling fast maintenance or upgrades with minimal downtime.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReliable, field-ready design:\u003c\/strong\u003e Built to withstand the rigors of industrial environments, with a form factor optimized for retrofit projects and ongoing service.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHard-to-find compatibility:\u003c\/strong\u003e Specifically ideal for maintenance, repair, and upgrade efforts where matching busplugs is crucial to restore or expand distribution without custom fabrication.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eIdeal applications and use cases\u003c\/h2\u003e\n\u003cp\u003eDesigned for spaces where robust protection and flexible distribution matter, the DFPBA421 shines in:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eIndustrial plants needing dependable 3-phase protection for essential feeders.\u003c\/li\u003e \u003cli\u003eCommercial facilities undergoing power distribution upgrades or retrofits where compatible busplugs are in short supply.\u003c\/li\u003e \u003cli\u003eProcesses and equipment that require rapid replacement or upgrade without reconfiguring the entire busway or panelboard layout.\u003c\/li\u003e \u003cli\u003eMaintenance and service projects seeking a proven, readily available fusible plug to minimize downtime during reliability improvements.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eSpecifications at a glance\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e DFPBA421\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 30A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 240V\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 \u003ch2\u003eWhy this fusible bus plug matters for your project\u003c\/h2\u003e\n\u003cp\u003eIn complex power layouts, downtime is costly and compatibility gaps can stall progress. The DFPBA421 is purpose-built to bridge that gap, providing a reliable, compatible protection point where you need it most. Its fusible design brings immediate current interruption in fault conditions, helping to protect transformers, drives, motors, and other critical loads. And because it’s a recognized option for retrofit work, you can source it with confidence, reducing the time and complexity of parts procurement.\u003c\/p\u003e \u003ch2\u003ePractical installation and planning tips\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eVerify busway or panelboard compatibility before installation to ensure a clean fit and proper electrical contact.\u003c\/li\u003e \u003cli\u003eMatch the fuse type and rating to your feeder requirements and upstream protection strategy to ensure coordinated protection.\u003c\/li\u003e \u003cli\u003eMaintain a small запас of replacement bus plugs for critical feeders to minimize downtime during routine service or upgrades.\u003c\/li\u003e \u003cli\u003eFollow all applicable safety procedures and lockout\/tagout practices during installation or replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default","offer_id":46392191123618,"sku":"DFPBA421","price":533.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_5ff0c48d-396f-40e2-a05d-3584908d7aa9.png?v=1765405358","url":"https:\/\/www.ampstate.com\/products\/dfpba421-30a-240v-3-phase-fusible-bus-plug","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}