{"product_id":"square-d-pq3603-30a-600v-3-phase-fusible-bus-plug","title":"Square D PQ3603 - 30A, 600V, 3-Phase, Fusible Bus Plug","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSquare D PQ3603 Fusible Bus Plug\u003c\/strong\u003e — a rugged, plug-in solution designed for reliable three‑phase power distribution in demanding industrial and commercial environments.\u003c\/p\u003e \u003cp\u003eBuilt for integration with compatible busway and panelboard systems, the PQ3603 delivers a precise 30A, 600V rating across three phases. This fusible bus plug enables quick isolation for maintenance and targeted fault protection, helping you minimize downtime during outages, repairs, or retrofit projects.\u003c\/p\u003e \u003ch3\u003eKey advantages\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThree‑phase performance:\u003c\/strong\u003e 30A, 600V capacity ensures dependable distribution for motor drives, process equipment, and other demanding loads.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFusible protection:\u003c\/strong\u003e Integrated fusible design provides overcurrent protection for feeder circuits while allowing fast disconnection when service is required.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM‑level reliability:\u003c\/strong\u003e Originating from Square D, built to meet institutional standards and engineered for long service life in tough environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e Retrofit‑friendly:\u003c\/strong\u003e Ideal for maintenance, repair, and upgrades where compatible busplugs are essential to restore or expand system capability.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile compatibility:\u003c\/strong\u003e Specifically intended for use with Square D busway and panelboard power distribution assemblies.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal uses and scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance outages in industrial plants or commercial facilities requiring immediate, reliable power isolation.\u003c\/li\u003e \u003cli\u003eRetrofit projects where a compatible 3‑phase, 600V fusible bus plug is needed to extend or reconfigure existing distribution.\u003c\/li\u003e \u003cli\u003eProcess equipment upgrades that demand predictable fault protection and minimal system downtime.\u003c\/li\u003e \u003cli\u003eNew installations where Square D PQ‑series busway\/panelboard components are specified for standardization and ease of service.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Square D\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e PQ3603\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 600V\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 \u003ch3\u003ePractical considerations\u003c\/h3\u003e\n\u003cp\u003eBefore integrating this bus plug, confirm that your busway or panelboard assembly is designed to accept PQ3603‑style fusible plugs and that the system’s rated voltage and current align with the 600V, 30A specification. This plug‑in solution is especially valuable for facilities needing a reliable, OEM‑built component to support maintenance, upgrades, and retrofits without compromising safety or performance.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default","offer_id":46392151638178,"sku":"PQ3603","price":882.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_2ffee6a4-113b-43dc-a292-d94a6e2e8ca4.png?v=1765404235","url":"https:\/\/www.ampstate.com\/products\/square-d-pq3603-30a-600v-3-phase-fusible-bus-plug","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}