{"product_id":"katko-63a-manual-changeover-switch-i-0-ii-power-transfer-switch","title":"Katko 63A Manual Changeover Switch – I-0-II Power Transfer Switch","description":"\u003cdiv class=\"relative basis-auto flex-col -mb-(--composer-overlap-px) pb-(--composer-overlap-px) [--composer-overlap-px:28px] grow flex\"\u003e\n\u003cdiv class=\"flex min-h-0 grow flex-col text-sm\"\u003e\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-8 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eThe \u003cstrong\u003eKatko 63A Manual Changeover Switch\u003c\/strong\u003e is a heavy-duty rotary switch designed for safely selecting between two AC power sources, such as \u003cstrong\u003emains electricity and a generator or inverter\u003c\/strong\u003e.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIt uses a clear \u003cstrong\u003eI-0-II switching arrangement\u003c\/strong\u003e, giving you Source I, OFF, and Source II positions. Katko’s 63A changeover range is built for reliable power-source switching and is tested to \u003cstrong\u003eIEC 60947-3\u003c\/strong\u003e standards. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e⚡ Key Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e🔌 \u003cstrong\u003eRated Current:\u003c\/strong\u003e 63A\u003c\/li\u003e\n\u003cli\u003e🔄 \u003cstrong\u003eManual changeover operation\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e⚙️ \u003cstrong\u003e3 positions:\u003c\/strong\u003e I – 0 – II\u003c\/li\u003e\n\u003cli\u003e🛡️ Heavy-duty load-break switch design\u003c\/li\u003e\n\u003cli\u003e🔋 Suitable for inverter backup systems\u003c\/li\u003e\n\u003cli\u003e⛽ Suitable for generator changeover\u003c\/li\u003e\n\u003cli\u003e☀️ Suitable for solar inverter AC systems\u003c\/li\u003e\n\u003cli\u003e🏠 Ideal for residential backup power\u003c\/li\u003e\n\u003cli\u003e🏢 Suitable for commercial installations\u003c\/li\u003e\n\u003cli\u003e🔒 Padlockable design on compatible enclosed versions\u003c\/li\u003e\n\u003cli\u003e🌞 Good UV resistance\u003c\/li\u003e\n\u003cli\u003e🧪 Resistant to many chemicals\u003c\/li\u003e\n\u003cli\u003e🔥 Self-extinguishing enclosure material\u003c\/li\u003e\n\u003cli\u003e✅ Tested to \u003cstrong\u003eIEC 60947-3\u003c\/strong\u003e \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e🔄 How It Works\u003c\/h2\u003e\n\u003cp\u003eThe rotary selector lets you manually choose which supply powers the connected load:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e⚡ \u003cstrong\u003ePosition I:\u003c\/strong\u003e Primary power source\u003c\/li\u003e\n\u003cli\u003e⭕ \u003cstrong\u003ePosition 0:\u003c\/strong\u003e OFF \/ load isolated\u003c\/li\u003e\n\u003cli\u003e🔋 \u003cstrong\u003ePosition II:\u003c\/strong\u003e Backup power source\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe OFF position provides a clear break between the two supplies before changing over.\u003c\/p\u003e\n\u003ch2\u003e🏠 Suitable Applications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e🏡 Home backup systems\u003c\/li\u003e\n\u003cli\u003e🔋 Inverter installations\u003c\/li\u003e\n\u003cli\u003e⛽ Generator backup systems\u003c\/li\u003e\n\u003cli\u003e☀️ Solar inverter AC systems\u003c\/li\u003e\n\u003cli\u003e🏪 Shops\u003c\/li\u003e\n\u003cli\u003e🏢 Offices\u003c\/li\u003e\n\u003cli\u003e🌾 Farms\u003c\/li\u003e\n\u003cli\u003e🧰 Workshops\u003c\/li\u003e\n\u003cli\u003e🏭 Light commercial installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e🛡️ Durable Enclosed Design\u003c\/h2\u003e\n\u003cp\u003eKatko’s enclosed changeover switches are available in robust enclosure materials with features such as \u003cstrong\u003egood insulating properties, UV resistance, chemical resistance and IP66 enclosure options\u003c\/strong\u003e depending on the exact model. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis makes them suitable for demanding electrical installations where durability and dependable switching are important.\u003c\/p\u003e\n\u003ch2\u003e✅ Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eReliable manual source switching\u003c\/li\u003e\n\u003cli\u003eHeavy-duty 63A capacity\u003c\/li\u003e\n\u003cli\u003eClear I-0-II operation\u003c\/li\u003e\n\u003cli\u003eNo electronic controller required\u003c\/li\u003e\n\u003cli\u003eSuitable for mains, inverter and generator backup\u003c\/li\u003e\n\u003cli\u003eRobust enclosure\u003c\/li\u003e\n\u003cli\u003eEasy to operate\u003c\/li\u003e\n\u003cli\u003eSuitable for residential and commercial systems\u003c\/li\u003e\n\u003cli\u003eBuilt to recognized IEC switching standards\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e⚠️ Installation Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e🔧 Installation should be carried out by a qualified electrician\u003c\/li\u003e\n\u003cli\u003e⚡ Do not exceed the switch’s rated current\u003c\/li\u003e\n\u003cli\u003e🌍 Ensure proper system earthing\u003c\/li\u003e\n\u003cli\u003e🛡️ Use correctly rated breakers or fuses upstream\u003c\/li\u003e\n\u003cli\u003e🔌 Confirm both power sources are electrically compatible\u003c\/li\u003e\n\u003cli\u003e☀️ In solar systems, use the changeover switch on the \u003cstrong\u003eAC side of the inverter\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e🚫 Isolate both supplies before installation or maintenance\u003c\/li\u003e\n\u003cli\u003e📏 Use correctly sized cables and terminals\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden has-[\u0026gt;_:empty]:hidden\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"invisible mt-auto grid\"\u003e\n\u003cdiv class=\"col-start-1 row-start-1\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"visible sticky bottom-(--scroll-root-safe-area-inset-bottom,0px) col-start-1 row-start-1 self-end\"\u003e\n\u003cdiv class=\"\"\u003e\n\u003cdiv class=\"min-h-9 pt-2 text-center text-xs text-token-text-tertiary [view-transition-name:var(--vt-disclaimer)] pb-4 relative overflow-hidden @w-sm\/main:px-[60px]\"\u003e\n\u003cdiv class=\"text-base mx-auto [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Werlar Solar Equipment \u0026 Machinery","offers":[{"title":"Default Title","offer_id":52778422599812,"sku":null,"price":3000.0,"currency_code":"KES","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1018\/2872\/2820\/files\/U2_1-0-2_YR-kopio-1024x1024-1-600x600_1.png?v=1788796068","url":"https:\/\/werlar.com\/products\/katko-63a-manual-changeover-switch-i-0-ii-power-transfer-switch","provider":"Werlar Solar Equipment \u0026 Machinery","version":"1.0","type":"link"}