{"product_id":"rd40-3-508-disconnect-switch","title":"RD40-3-508 - Disconnect Switch","description":"\u003cdiv\u003e\n\u003cp\u003eThe RD40-3-508 Disconnect Switch is engineered for dependable on\/off isolation and robust overcurrent protection in harsh industrial and commercial environments. This compact, maintainable fusible switch delivers precise electrical control where space is at a premium and downtime is costly, making it a smart choice for mission-critical applications.\u003c\/p\u003e \u003ch2\u003eWhy the RD40-3-508 stands out\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eRugged, space-saving design:\u003c\/strong\u003e built to endure demanding environments while fitting into tight panel spaces and control rooms.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReliable isolation and protection:\u003c\/strong\u003e clear separation of circuits when servicing and strong protection against overloads during operation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFusible protection:\u003c\/strong\u003e integrated overcurrent protection through a compact fusible switch design, simplifying protection strategy and fault clearing.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaintenance-friendly:\u003c\/strong\u003e straightforward fuse access and serviceability reduce downtime and simplify routine maintenance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applications:\u003c\/strong\u003e ideal for motor disconnects, panelboards, and branch circuit protection where a compact, maintainable switch is required.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eIdeal use cases\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eMotor disconnects in manufacturing lines and equipment bays where quick isolation is essential for safe maintenance.\u003c\/li\u003e \u003cli\u003ePanelboard protection in space-constrained electrical rooms, enabling organized, centralized switching.\u003c\/li\u003e \u003cli\u003eBranch circuit protection in commercial or industrial power distribution where compact protection is needed without compromising safety.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eHow this design benefits you\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSafety and uptime:\u003c\/strong\u003e reliable on\/off control minimizes risk during servicing and reduces unplanned outages.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOperational simplicity:\u003c\/strong\u003e a single, cohesive solution for both switching and overcurrent protection simplifies wiring diagrams and maintenance routines.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFuture-ready flexibility:\u003c\/strong\u003e compact footprint leaves room for future expansion or reconfiguration in crowded electrical spaces.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical snapshot\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\u003cstrongmodel:\u003e RD40-3-508\u003c\/strongmodel:\u003e\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Fusible disconnect switch\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePrimary role:\u003c\/strong\u003e on\/off isolation with overcurrent protection\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBest for:\u003c\/strong\u003e motor disconnects, panelboards, and branch circuits in demanding environments\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoose the RD40-3-508 when you need a compact, maintenance-friendly disconnect switch that does not compromise on reliability or protection. It’s a practical, purpose-built solution for modern electrical systems that demand safe, simple, and scalable protection across industrial and commercial settings.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp-State","offers":[{"title":"Default","offer_id":46390402154658,"sku":"RD40-3-508","price":394.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/rd40-3-508-disconnect-switch-533.webp?v=1788874770","url":"https:\/\/www.ampstate.com\/products\/rd40-3-508-disconnect-switch","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}