{"product_id":"cct-tunable-white-cob-led-strip-48v-10mm-480leds-m-ip20-20m","title":"CCT Tunable White COB LED Strip 48V 10mm 480LEDs\/m IP20 2700K-6500K 20m Run","description":"\u003cp\u003eA tunable white COB LED strip that shifts from warm 2700K to cool 6500K on the same run, so one installation covers evening warmth and daytime task light. Dot-free 48V COB, CRI over 90, cut to any length you need.\u003c\/p\u003e\u003cp\u003e48V DC · 480 chips\/m · 10W\/m · 780 lm\/m · 2700K–6500K · Ra\u0026gt;90 · 10mm × 2mm · IP20 · cut every 50mm · 20m single feed · UKCA, CE, RoHS\u003c\/p\u003e\u003ch2 id=\"s1\"\u003eHow does a tunable white LED strip work?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eTwo LED channels sit under one phosphor layer — a warm set and a cool set. A CCT controller varies the balance between them and your eye blends the result. The strip is mixing two fixed whites, not changing colour. Hence three wires: a shared positive marked 48V+, and C− and W− for the two channels.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2 id=\"s2\"\u003eWill an ordinary dimmer work?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eNo. A dimmer has one output channel, so it varies brightness only and leaves the colour fixed wherever the wiring lands it. You need a \u003ca href=\"https:\/\/atomled.co.uk\/collections\/48v-led-driver\" target=\"_blank\" rel=\"noopener\"\u003e48V constant-voltage driver\u003c\/a\u003e for power plus a \u003ca href=\"https:\/\/atomled.co.uk\/collections\/controllers\" target=\"_blank\" rel=\"noopener\"\u003eCCT controller\u003c\/a\u003e to mix the two channels.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eWire it mains → driver → controller → strip, and size the supply on metres × 10W plus 25%%: 10 metres is 100W, so take a 150W supply. If warm and cool come out reversed, swap C− and W− at the controller — nothing is damaged, both are negatives.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0500\/5315\/2935\/files\/cct-tunable-white-cob-led-strip-48v-10mm-dimensions-20m-single-feed-50mm-cut-points-wide.webp?v=1787636066\u0026amp;width=2400\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0500\/5315\/2935\/files\/cct-tunable-white-cob-led-strip-48v-10mm-dimensions-20m-single-feed-50mm-cut-points-wide.webp?v=1787636066\u0026amp;width=900 900w, https:\/\/cdn.shopify.com\/s\/files\/1\/0500\/5315\/2935\/files\/cct-tunable-white-cob-led-strip-48v-10mm-dimensions-20m-single-feed-50mm-cut-points-wide.webp?v=1787636066\u0026amp;width=1800 1800w, https:\/\/cdn.shopify.com\/s\/files\/1\/0500\/5315\/2935\/files\/cct-tunable-white-cob-led-strip-48v-10mm-dimensions-20m-single-feed-50mm-cut-points-wide.webp?v=1787636066\u0026amp;width=2400 2400w\" sizes=\"(min-width: 1180px) 760px, 100vw\" width=\"3924\" height=\"594\" alt=\"CCT LED strip 48V dimensions, 20m single feed, 50mm cuts\" loading=\"lazy\" decoding=\"async\" style=\"margin:0 auto\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cem\u003eDimensions in millimetres\u003c\/em\u003e\u003c\/p\u003e\u003ch2 id=\"s3\"\u003eIs it equally bright at every colour temperature?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eNo, and most suppliers do not say so. The 780 lm\/m headline is both channels at full, which lands mid-range. At the extremes only one channel works: roughly 350 lm\/m at 2700K and 400 lm\/m at 6500K.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eIf a room will sit at 2700K permanently, size the run on the single-channel figure — or buy a fixed 2700K strip and get the full output for less.\u003c\/p\u003e\u003ch2 id=\"s4\"\u003eHow long a run will one feed carry?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e20 metres. Double the 24V version, because 48V halves the current for the same wattage.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003ePast that the far end dims and drifts warm — that is voltage drop, not a faulty strip. Feed both ends, or a second feed in parallel, never in series. The 24V strip is brighter at 930 lm\/m — pick 48V for reach, not output.\u003c\/p\u003e\u003ch2 id=\"s5\"\u003eWhere can it be fitted?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eDry interiors only — IP20. Cut every 50mm on the marked pads. For a bathroom or anywhere damp, specify an IP67 strip instead.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e3M adhesive holds on clean, cool surfaces; on longer runs use an \u003ca href=\"https:\/\/atomled.co.uk\/collections\/led-strip-profiles\" target=\"_blank\" rel=\"noopener\"\u003ealuminium profile\u003c\/a\u003e as a heatsink. Never power it while still coiled.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eRight for: kitchens, bedrooms, home offices, hospitality and showrooms — anywhere one room does more than one job.\u003c\/li\u003e\n\u003cli\u003eNot right for: bathrooms, outdoors, or any run that needs one fixed colour.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eMade to measure with a 150mm lead fitted. Free UK delivery from Telford, 7-year guarantee, 30-day returns. Not sure which driver and controller pair with it? Call \u003cstrong\u003e01952 370028\u003c\/strong\u003e or email \u003cstrong\u003eoperations@atomled.co.uk\u003c\/strong\u003e with your run length and we will spec it.\u003c\/p\u003e","brand":"ATOM LED","offers":[{"title":"1 Metre","offer_id":58767350497664,"sku":"COBCCT48V-10MM-IP20","price":15.75,"currency_code":"GBP","in_stock":true},{"title":"2 Metre","offer_id":58767351021952,"sku":"COBCCT48V-10MM-IP20","price":31.5,"currency_code":"GBP","in_stock":true},{"title":"3 Metre","offer_id":58767351054720,"sku":"COBCCT48V-10MM-IP20","price":47.25,"currency_code":"GBP","in_stock":true},{"title":"4 Metre","offer_id":58767351087488,"sku":"COBCCT48V-10MM-IP20","price":63.0,"currency_code":"GBP","in_stock":true},{"title":"5 Metre","offer_id":58767351120256,"sku":"COBCCT48V-10MM-IP20","price":78.75,"currency_code":"GBP","in_stock":true},{"title":"6 Metre","offer_id":58767351153024,"sku":"COBCCT48V-10MM-IP20","price":94.5,"currency_code":"GBP","in_stock":true},{"title":"7 Metre","offer_id":58767351185792,"sku":"COBCCT48V-10MM-IP20","price":110.25,"currency_code":"GBP","in_stock":true},{"title":"8 Metre","offer_id":58767351218560,"sku":"COBCCT48V-10MM-IP20","price":126.0,"currency_code":"GBP","in_stock":true},{"title":"9 Metre","offer_id":58767351251328,"sku":"COBCCT48V-10MM-IP20","price":141.75,"currency_code":"GBP","in_stock":true},{"title":"10 Metre","offer_id":58767351284096,"sku":"COBCCT48V-10MM-IP20","price":157.5,"currency_code":"GBP","in_stock":true},{"title":"11 Metre","offer_id":58767351316864,"sku":"COBCCT48V-10MM-IP20","price":173.25,"currency_code":"GBP","in_stock":true},{"title":"12 Metre","offer_id":58767351349632,"sku":"COBCCT48V-10MM-IP20","price":189.0,"currency_code":"GBP","in_stock":true},{"title":"13 Metre","offer_id":58767351382400,"sku":"COBCCT48V-10MM-IP20","price":204.75,"currency_code":"GBP","in_stock":true},{"title":"14 Metre","offer_id":58767351415168,"sku":"COBCCT48V-10MM-IP20","price":220.5,"currency_code":"GBP","in_stock":true},{"title":"15 Metre","offer_id":58767351447936,"sku":"COBCCT48V-10MM-IP20","price":236.25,"currency_code":"GBP","in_stock":true},{"title":"16 Metre","offer_id":58767351480704,"sku":"COBCCT48V-10MM-IP20","price":252.0,"currency_code":"GBP","in_stock":true},{"title":"17 Metre","offer_id":58767351513472,"sku":"COBCCT48V-10MM-IP20","price":267.75,"currency_code":"GBP","in_stock":true},{"title":"18 Metre","offer_id":58767351546240,"sku":"COBCCT48V-10MM-IP20","price":283.5,"currency_code":"GBP","in_stock":true},{"title":"19 Metre","offer_id":58767351579008,"sku":"COBCCT48V-10MM-IP20","price":299.25,"currency_code":"GBP","in_stock":true},{"title":"20 Metre","offer_id":58767351611776,"sku":"COBCCT48V-10MM-IP20","price":315.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0500\/5315\/2935\/files\/cct-tunable-white-cob-led-strip-48v-10mm-three-wire-c-w-channel-solder-pads.webp?v=1787636682","url":"https:\/\/atomled.co.uk\/products\/cct-tunable-white-cob-led-strip-48v-10mm-480leds-m-ip20-20m","provider":"ATOM LED","version":"1.0","type":"link"}