{"product_id":"square-d-pq3603-30a-600v-3-phase-bus-plug","title":"Square D PQ3603 - 30A, 600V, 3-Phase, Bus Plug","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D PQ3603 Bus Plug is a purpose-built connection for demanding industrial and commercial power distribution. Rated at 30A and 600V with a 3-phase configuration, this bus plug is engineered to integrate smoothly into established Square D busway and panelboard ecosystems, delivering dependable power to critical equipment and feeders.\u003c\/p\u003e \u003ch3\u003eKey specifications at a glance\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 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\u003eWhere it shines\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eIndustrial plants\u003c\/strong\u003e needing reliable, plug-in distribution for feeders and process equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCommercial facilities\u003c\/strong\u003e upgrading or expanding electrical capacity with compatible Square D hardware.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e retrofit projects\u003c\/strong\u003e that require a hard-to-find, drop-in bus plug to match existing infrastructure.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaintenance and repair\u003c\/strong\u003e tasks where quick replacement of a known-good component minimizes downtime.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy the PQ3603 stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eDesigned for compatibility\u003c\/strong\u003e with Square D busway and panelboard systems, ensuring a seamless fit with existing infrastructure and reducing installation complexity.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eConcrete 3-phase, 600V capability\u003c\/strong\u003e supports efficient distribution for multi-line feeders and equipment loads common in industrial and commercial environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReliable, field-ready performance\u003c\/strong\u003e—a trusted component for critical electrical distribution that engineers and technicians rely on for predictable operation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStrategic value for procurement\u003c\/strong\u003e—a practical choice for stock during maintenance windows and upgrade cycles where specific bus plugs are required.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical guidance for use\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eConfirm that your busway and panelboard enclosure specify a 3-phase, 30A, 600V bus plug to ensure compatible electrical connections and alignment.\u003c\/li\u003e \u003cli\u003eWhen planning upgrades or replacements, treat the PQ3603 as part of a Square D ecosystem to simplify future maintenance and part availability.\u003c\/li\u003e \u003cli\u003eKeep a spare PQ3603 on hand for planned upgrades or unplanned outages in facilities where downtime is costly.\u003c\/li\u003e \u003cli\u003eFor retrofit scenarios, verify physical fitment and connector alignment with existing busway slots to maintain a secure, code-compliant connection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eFor maintenance, repair, or upgrade projects that require a proven, compatible bus plug in Square D systems, the Square D PQ3603 delivers dependable performance, straightforward integration, and the peace of mind that comes from using genuine, purpose-built power distribution hardware.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default","offer_id":46392136499362,"sku":"PQ3603","price":708.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_af14433a-d414-4554-9c7f-d37eaf7a9d7c.png?v=1765403836","url":"https:\/\/www.ampstate.com\/products\/square-d-pq3603-30a-600v-3-phase-bus-plug","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}