{"product_id":"eaton-cutler-hammer-lk3r9fn-disconnect-switch","title":"Eaton Cutler-Hammer LK3R9FN - 600A, Fused Disconnect Switch","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Eaton Cutler-Hammer LK3R9FN, a 600A fused disconnect switch engineered for industrial and commercial spaces where safe electrical isolation and dependable disconnection under load are essential. Built to support proper lockout\/tagout (LOTO) procedures, this switch helps maintenance teams work confidently, knowing the circuit is safely isolated when service is required.\u003c\/p\u003e \u003ch3\u003eKey features that matter in the real world\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e600A amperage rating\u003c\/strong\u003e handles demanding loads, making it suitable for feeders, motor circuits, and other high-current applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFused disconnect design\u003c\/strong\u003e delivers integrated overcurrent protection, reducing the need for additional external safety components.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSafe electrical isolation\u003c\/strong\u003e ensures a clear, verifiable disconnect point during maintenance or servicing, minimizing exposure to live circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLockout\/Tagout compatibility\u003c\/strong\u003e supports standard safety procedures, helping facilities maintain compliance and protect personnel.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDurable, long-term performance\u003c\/strong\u003e built to withstand the demands of busy commercial and industrial environments, providing reliable operation over years of service.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this model stands out\u003c\/h3\u003e\n\u003cp\u003eThe LK3R9FN combines high-current capability with practical safety features in a compact, robust package. Its fused design offers immediate protection against overloads, while its integration with lockout\/tagout workflows minimizes downtime during maintenance. For facilities that require a dedicated, reliable isolation device at the point of service, this switch provides a proven, durable solution from a trusted brand in electrical distribution.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eService disconnects for feeders feeding large motors or equipment in manufacturing floors.\u003c\/li\u003e \u003cli\u003eElectrical rooms in commercial facilities that require safe isolation during preventive maintenance or repairs.\u003c\/li\u003e \u003cli\u003eStandby or emergency power arrangements where a rugged, dependable disconnect is needed.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage Rating:\u003c\/strong\u003e 600A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Fused Disconnect Switch\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Eaton Cutler-Hammer\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e LK3R9FN\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Amp-State","offers":[{"title":"Default Title","offer_id":46383555182754,"sku":"LK3R9FN","price":1010.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/eaton-cutler-hammer-lk3r9fn-600a-fused-disconnect-switch-698.webp?v=1788805616","url":"https:\/\/www.ampstate.com\/products\/eaton-cutler-hammer-lk3r9fn-disconnect-switch","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}