{"product_id":"square-d-pq3603r-fusible-bus-plug","title":"Square D | PQ3603R | Fusible Bus Plug | 30A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Square D PQ3603R Fusible Bus Plug — a purpose-built, plug-in protection module for three-phase systems up to 600V. Designed for maintenance, retrofit, and replacement projects, this 30A, 3-pole device integrates seamlessly with compatible Square D gear to keep your distribution panel safe, reliable, and performing at peak condition.\u003c\/p\u003e \u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmperage\u003c\/strong\u003e: 30 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoles\u003c\/strong\u003e: 3-Pole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage rating\u003c\/strong\u003e: 600 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart number\u003c\/strong\u003e: PQ3603R\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType\u003c\/strong\u003e: Fusible bus plug\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eImportant compatibility note:\u003c\/strong\u003e Confirm fit and ratings before ordering. The part number PQ3603R is your strongest reference for matching compatibility with your Square D equipment.\u003c\/p\u003e \u003ch2\u003eWhy choose the PQ3603R for your Square D system\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eEnsures a precise, factory-compatible fuse connection within 3-phase 600V circuits, reducing the risk of misfit parts and unreliable protection.\u003c\/li\u003e\n\u003cli\u003eOptimized for rapid maintenance and retrofits—pull the old plug, slide in the PQ3603R, and you’re back in service with minimal downtime.\u003c\/li\u003e\n\u003cli\u003eGenuine Square D specification support, helping you maintain code compliance and system integrity.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eUse cases and applications\u003c\/h2\u003e\n\u003cp\u003eThe PQ3603R is ideal for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMaintenance outages where an exact 30A, 3-pole, 600V fusible bus plug is required\u003c\/li\u003e\n\u003cli\u003eRetrofits in older panels that demand a precise compatibility match\u003c\/li\u003e\n\u003cli\u003eReplacement of worn or damaged fusible bus plugs in 3-pole, 600V distribution circuits\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePractical installation and care tips\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAlways de-energize equipment and follow your facility’s electrical safety protocols before replacing bus plugs.\u003c\/li\u003e\n\u003cli\u003eInspect the surrounding bus assembly for signs of wear or contamination; clean and reseat connectors as needed before installation.\u003c\/li\u003e\n\u003cli\u003eStore spare PQ3603R units in a clean, dry environment to prevent corrosion or damage to contacts.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eHow this option stacks up against generic parts\u003c\/h2\u003e\n\u003cp\u003eWith the PQ3603R, you’re choosing a part that’s designed for Square D panels and gear. This isn’t a one-size-fits-all fusible plug—it's a precise, tested fit that aligns with your panel’s electrical architecture, minimizing compatibility surprises and ensuring dependable protection for your three-phase distribution network.\u003c\/p\u003e \u003cp\u003eReliable protection, straightforward maintenance, and a match-for-match fit—that’s the PQ3603R fusible bus plug for Square D systems. If your project requires a 30A, 3-pole, 600V solution, this is the part to reference and order.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46425750241442,"sku":"PQ3603R","price":1168.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a085eff1-75dd-47ee-b131-4c8df8f0489b.png?v=1765492976","url":"https:\/\/www.ampstate.com\/products\/square-d-pq3603r-fusible-bus-plug","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}