{"product_id":"rd40-3-508-40a-3-pole-disconnect-switch","title":"RD40-3-508 - 40A, 3-Pole, Disconnect Switch","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eRD40-3-508\u003c\/strong\u003e is a rugged 40A, 3-pole disconnect switch engineered for reliable on\/off isolation and precise overcurrent protection in demanding industrial and commercial environments.\u003c\/p\u003e\n\u003cp\u003eThis compact, maintainable fusible switch is designed to streamline service and wiring for three-phase systems, delivering predictable operation and straightforward fuse maintenance where space is at a premium.\u003c\/p\u003e \u003ch3\u003eWhy choose RD40-3-508\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole performance:\u003c\/strong\u003e Full three-phase isolation ensures safe shutdown of motors and equipment, reducing downtime during maintenance or fault conditions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompact footprint:\u003c\/strong\u003e A space-efficient design fits tight panelboards and control enclosures without compromising accessibility or safety.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFusible switch capability:\u003c\/strong\u003e Built to integrate overcurrent protection in a single, consolidated unit for streamlined electrical protection strategies.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaintenance-friendly:\u003c\/strong\u003e Engineered for straightforward fuse replacement and servicing, minimizing shop time and operational interruptions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRugged for harsh environments:\u003c\/strong\u003e Constructed to withstand the demands of industrial facilities, guaranteeing dependable performance over time.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal applications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMotor disconnects in manufacturing lines, conveyors, and machine tooling\u003c\/li\u003e \u003cli\u003ePanelboards requiring a dedicated, easily serviceable disconnect switch\u003c\/li\u003e \u003cli\u003eBranch circuit protection for critical equipment in space-constrained installations\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eKey specifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e RD40-3-508\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 40A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIn environments where reliable isolation and robust overcurrent protection are non-negotiable, the RD40-3-508 delivers a focused, practical solution. Its three-pole configuration supports clean, safe shutdowns for three-phase systems, while the compact design makes it a smart choice for panel installations and retrofit projects. When you need a dependable disconnect switch that blends protection, accessibility, and space efficiency, RD40-3-508 is engineered to perform.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp-State","offers":[{"title":"Default","offer_id":46390365061282,"sku":"RD40-3-508","price":533.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/fusible_disconnect_generic_f59c2311-500f-4b73-8237-bea5b9262a3a.png?v=1765369139","url":"https:\/\/www.ampstate.com\/products\/rd40-3-508-40a-3-pole-disconnect-switch","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}