{"id":23106,"date":"2026-10-01T07:00:00","date_gmt":"2026-10-01T06:00:00","guid":{"rendered":"https:\/\/www.sunflux.dk\/da\/?p=23106"},"modified":"2026-09-23T19:32:29","modified_gmt":"2026-09-23T18:32:29","slug":"12-v-kontra-24-v-led-remsor","status":"publish","type":"post","link":"https:\/\/www.sunflux.dk\/sv\/blog\/led-strips-blog\/12v-vs-24v-led-strips","title":{"rendered":"12 V kontra 24 V LED-remsor \u2013 vilken sp\u00e4nning ska du v\u00e4lja?"},"content":{"rendered":"<p><strong>Kort svar:<\/strong> F\u00f6r korta LED-remsor fungerar b\u00e5de 12 V och 24 V utm\u00e4rkt. F\u00f6r l\u00e4ngre str\u00e4ckor \u00e4r 24 V ofta den tekniskt b\u00e4ttre l\u00f6sningen, eftersom str\u00f6mmen blir l\u00e4gre vid samma effekt. Det minskar sp\u00e4nningsfallet och underl\u00e4ttar kabeldragning och effektf\u00f6rdelning.<\/p>\n<p>Se <a href=\"https:\/\/www.sunflux.dk\/sv\/12-v-dc-led-remsa\">12V LED-remsor<\/a> och <a href=\"https:\/\/www.sunflux.dk\/sv\/24vdc-led-remsa\">24V LED-remsor<\/a>.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_88 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Inneh\u00e5llsf\u00f6rteckning<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Inneh\u00e5llsf\u00f6rteckning\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.sunflux.dk\/sv\/blog\/led-strips-blog\/12v-vs-24v-led-strips\/#Hvorfor_findes_LED_strips_i_forskellige_spaendinger\" >Varf\u00f6r finns det LED-remsor med olika sp\u00e4nningar?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.sunflux.dk\/sv\/blog\/led-strips-blog\/12v-vs-24v-led-strips\/#Den_elektriske_forskel\" >Den elektriska skillnaden<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.sunflux.dk\/sv\/blog\/led-strips-blog\/12v-vs-24v-led-strips\/#Spaendingsfald\" >Sp\u00e4nningsfall<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.sunflux.dk\/sv\/blog\/led-strips-blog\/12v-vs-24v-led-strips\/#Hvornar_skal_du_vaelge_12V\" >N\u00e4r ska du v\u00e4lja 12 V?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.sunflux.dk\/sv\/blog\/led-strips-blog\/12v-vs-24v-led-strips\/#Hvornar_skal_du_vaelge_24V\" >N\u00e4r ska du v\u00e4lja 24 V?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.sunflux.dk\/sv\/blog\/led-strips-blog\/12v-vs-24v-led-strips\/#Hvor_langt_kan_en_strip_vaere\" >Hur l\u00e5ng kan en remsa vara?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.sunflux.dk\/sv\/blog\/led-strips-blog\/12v-vs-24v-led-strips\/#Stromforsyning_og_reserve\" >Str\u00f6mf\u00f6rs\u00f6rjning och reserv<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.sunflux.dk\/sv\/blog\/led-strips-blog\/12v-vs-24v-led-strips\/#Kan_12V_og_24V_blandes\" >Kan 12 V och 24 V blandas?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.sunflux.dk\/sv\/blog\/led-strips-blog\/12v-vs-24v-led-strips\/#Daempning\" >D\u00e4mpning<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.sunflux.dk\/sv\/blog\/led-strips-blog\/12v-vs-24v-led-strips\/#Kabeldimension_betyder_noget\" >Kabelns dimension spelar roll<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.sunflux.dk\/sv\/blog\/led-strips-blog\/12v-vs-24v-led-strips\/#Hvorfor_bliver_strommen_halveret_ved_24V\" >Varf\u00f6r halveras str\u00f6mmen vid 24 V?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.sunflux.dk\/sv\/blog\/led-strips-blog\/12v-vs-24v-led-strips\/#Spaendingsfald_%E2%80%93_praktisk_eksempel\" >Sp\u00e4nningsfall \u2013 praktiskt exempel<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.sunflux.dk\/sv\/blog\/led-strips-blog\/12v-vs-24v-led-strips\/#12V_giver_kortere_segmenter\" >12 V ger kortare segment<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.sunflux.dk\/sv\/blog\/led-strips-blog\/12v-vs-24v-led-strips\/#24V_til_professionelle_installationer\" >24 V f\u00f6r professionella installationer<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.sunflux.dk\/sv\/blog\/led-strips-blog\/12v-vs-24v-led-strips\/#Kabeldimension\" >Kabeldimension<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.sunflux.dk\/sv\/blog\/led-strips-blog\/12v-vs-24v-led-strips\/#Eksempel_3_meter_under_kokkenskabe\" >Exempel: 3 meter under k\u00f6kssk\u00e5pen<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.sunflux.dk\/sv\/blog\/led-strips-blog\/12v-vs-24v-led-strips\/#Eksempel_15_meter_rundt_om_et_rum\" >Exempel: 15 meter runt ett rum<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.sunflux.dk\/sv\/blog\/led-strips-blog\/12v-vs-24v-led-strips\/#Controllerens_stromkapacitet\" >Styrenhetens str\u00f6mkapacitet<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.sunflux.dk\/sv\/blog\/led-strips-blog\/12v-vs-24v-led-strips\/#Samme_watt_%E2%80%93_samme_energiforbrug\" >Samma watt \u2013 samma energif\u00f6rbrukning<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/www.sunflux.dk\/sv\/blog\/led-strips-blog\/12v-vs-24v-led-strips\/#Kan_man_koble_12V_strips_i_serie_til_24V\" >Kan man koppla ihop 12 V-strips i serie till 24 V?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/www.sunflux.dk\/sv\/blog\/led-strips-blog\/12v-vs-24v-led-strips\/#Driverens_placering\" >Drivrutinens placering<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/www.sunflux.dk\/sv\/blog\/led-strips-blog\/12v-vs-24v-led-strips\/#Daempning_og_PWM-frekvens\" >D\u00e4mpning och PWM-frekvens<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/www.sunflux.dk\/sv\/blog\/led-strips-blog\/12v-vs-24v-led-strips\/#Kobstjekliste\" >Ink\u00f6pslista<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/www.sunflux.dk\/sv\/blog\/led-strips-blog\/12v-vs-24v-led-strips\/#Relaterede_guides_til_dimensionering_af_LED_strips\" >Relaterade guider f\u00f6r dimensionering av LED-remsor<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/www.sunflux.dk\/sv\/blog\/led-strips-blog\/12v-vs-24v-led-strips\/#FAQ\" >Vanliga fr\u00e5gor<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/www.sunflux.dk\/sv\/blog\/led-strips-blog\/12v-vs-24v-led-strips\/#Lyser_24V_kraftigere_end_12V\" >Lyser 24 V starkare \u00e4n 12 V?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/www.sunflux.dk\/sv\/blog\/led-strips-blog\/12v-vs-24v-led-strips\/#Bruger_24V_mindre_strom\" >F\u00f6rbrukar 24 V mindre str\u00f6m?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/www.sunflux.dk\/sv\/blog\/led-strips-blog\/12v-vs-24v-led-strips\/#Kan_jeg_bruge_en_24V_driver_pa_en_12V_strip\" >Kan jag anv\u00e4nda en 24 V-drivrutin p\u00e5 en 12 V-ljusslinga?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/www.sunflux.dk\/sv\/blog\/led-strips-blog\/12v-vs-24v-led-strips\/#Er_24V_altid_bedst\" >\u00c4r 24 V alltid b\u00e4st?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Hvorfor_findes_LED_strips_i_forskellige_spaendinger\"><\/span>Varf\u00f6r finns det LED-remsor med olika sp\u00e4nningar?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>LED-remsor best\u00e5r av sm\u00e5 LED-segment som \u00e4r kopplade i serie. Konstruktionen avg\u00f6r vilken matningssp\u00e4nning remsan kr\u00e4ver. Str\u00f6mf\u00f6rs\u00f6rjningen m\u00e5ste alltid vara exakt anpassad till remsan.<\/p>\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"1942\" height=\"809\" src=\"https:\/\/www.sunflux.dk\/wp-content\/uploads\/2026\/09\/12v-vs-24v-led-strips-12v-24v-opsaetning.webp\" alt=\"12 V och 24 V LED-remsor med olika str\u00f6mf\u00f6rs\u00f6rjningar\" class=\"wp-image-23202\" decoding=\"async\" srcset=\"https:\/\/www.sunflux.dk\/wp-content\/uploads\/2026\/09\/12v-vs-24v-led-strips-12v-24v-opsaetning.webp 1942w, https:\/\/www.sunflux.dk\/wp-content\/uploads\/2026\/09\/12v-vs-24v-led-strips-12v-24v-opsaetning-300x125.webp 300w, https:\/\/www.sunflux.dk\/wp-content\/uploads\/2026\/09\/12v-vs-24v-led-strips-12v-24v-opsaetning-1024x427.webp 1024w, https:\/\/www.sunflux.dk\/wp-content\/uploads\/2026\/09\/12v-vs-24v-led-strips-12v-24v-opsaetning-768x320.webp 768w, https:\/\/www.sunflux.dk\/wp-content\/uploads\/2026\/09\/12v-vs-24v-led-strips-12v-24v-opsaetning-1536x640.webp 1536w, https:\/\/www.sunflux.dk\/wp-content\/uploads\/2026\/09\/12v-vs-24v-led-strips-12v-24v-opsaetning-18x7.webp 18w, https:\/\/www.sunflux.dk\/wp-content\/uploads\/2026\/09\/12v-vs-24v-led-strips-12v-24v-opsaetning-500x208.webp 500w\" sizes=\"auto, (max-width: 1942px) 100vw, 1942px\" \/><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"Den_elektriske_forskel\"><\/span>Den elektriska skillnaden<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Effekten ber\u00e4knas som sp\u00e4nning g\u00e5nger str\u00f6m. En installation p\u00e5 120 W drar ungef\u00e4r 10 A vid 12 V, men endast 5 A vid 24 V. Den l\u00e4gre str\u00f6mmen vid 24 V inneb\u00e4r mindre f\u00f6rluster i kablar och kopparledningar.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Spaendingsfald\"><\/span>Sp\u00e4nningsfall<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Sp\u00e4nningsfall m\u00e4rks vanligtvis genom att LED-remsan blir svagare eller byter f\u00e4rg mot \u00e4nden. Problemet f\u00f6rv\u00e4rras med l\u00e4ngd, str\u00f6mstyrka och tunna kablar. 24 V \u00e4r d\u00e4rf\u00f6r ofta enklare att arbeta med vid l\u00e4ngre installationer.<\/p>\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"1942\" height=\"809\" src=\"https:\/\/www.sunflux.dk\/wp-content\/uploads\/2026\/09\/12v-vs-24v-led-strips-sammenligning-af-spaending.webp\" alt=\"Illustration som visar skillnaderna mellan 12 V- och 24 V-LED-remsor\" class=\"wp-image-23203\" decoding=\"async\" srcset=\"https:\/\/www.sunflux.dk\/wp-content\/uploads\/2026\/09\/12v-vs-24v-led-strips-sammenligning-af-spaending.webp 1942w, https:\/\/www.sunflux.dk\/wp-content\/uploads\/2026\/09\/12v-vs-24v-led-strips-sammenligning-af-spaending-300x125.webp 300w, https:\/\/www.sunflux.dk\/wp-content\/uploads\/2026\/09\/12v-vs-24v-led-strips-sammenligning-af-spaending-1024x427.webp 1024w, https:\/\/www.sunflux.dk\/wp-content\/uploads\/2026\/09\/12v-vs-24v-led-strips-sammenligning-af-spaending-768x320.webp 768w, https:\/\/www.sunflux.dk\/wp-content\/uploads\/2026\/09\/12v-vs-24v-led-strips-sammenligning-af-spaending-1536x640.webp 1536w, https:\/\/www.sunflux.dk\/wp-content\/uploads\/2026\/09\/12v-vs-24v-led-strips-sammenligning-af-spaending-18x7.webp 18w, https:\/\/www.sunflux.dk\/wp-content\/uploads\/2026\/09\/12v-vs-24v-led-strips-sammenligning-af-spaending-500x208.webp 500w\" sizes=\"auto, (max-width: 1942px) 100vw, 1942px\" \/><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"Hvornar_skal_du_vaelge_12V\"><\/span>N\u00e4r ska du v\u00e4lja 12 V?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>Korta str\u00e4ckor<\/li>\n<li>Befintliga 12 V-installationer<\/li>\n<li>Bil, camping eller andra 12 V-system<\/li>\n<li>Produkter som endast finns i 12 V-utf\u00f6rande<\/li>\n<\/ul>\n<p>Se \u00e4ven <a href=\"https:\/\/www.sunflux.dk\/sv\/12v-transformator\">12 V LED-drivdon<\/a>.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Hvornar_skal_du_vaelge_24V\"><\/span>N\u00e4r ska du v\u00e4lja 24 V?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>L\u00e4ngre LED-remsa<\/li>\n<li>H\u00f6gre sammanlagd effekt<\/li>\n<li>M\u00f6bel-, k\u00f6ks- och kommersiella installationer<\/li>\n<li>Anl\u00e4ggningar med flera parallella str\u00e4ckor<\/li>\n<\/ul>\n<p>Se <a href=\"https:\/\/www.sunflux.dk\/sv\/24v-transformator\">24 V LED-drivdon<\/a>.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Hvor_langt_kan_en_strip_vaere\"><\/span>Hur l\u00e5ng kan en remsa vara?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Det finns ingen universell maximal l\u00e4ngd. Den beror p\u00e5 kopparledningar, watt per meter och produktens konstruktion. F\u00f6lj alltid den maximala l\u00e4ngd som anges av tillverkaren. Vid l\u00e5nga installationer b\u00f6r str\u00f6m ofta matas in p\u00e5 flera st\u00e4llen.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Stromforsyning_og_reserve\"><\/span>Str\u00f6mf\u00f6rs\u00f6rjning och reserv<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Ber\u00e4kna den totala effekten i watt per meter \u00d7 antal meter. V\u00e4lj sedan en str\u00f6mf\u00f6rs\u00f6rjning med tillr\u00e4cklig reservkapacitet. En 5 meter l\u00e5ng ljusslinga p\u00e5 14,4 W\/m f\u00f6rbrukar 72 W. En drivdon p\u00e5 cirka 80\u201390 W eller mer kan vara l\u00e4mpligt beroende p\u00e5 tillverkarens krav och driftsmilj\u00f6n.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Kan_12V_og_24V_blandes\"><\/span>Kan 12 V och 24 V blandas?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Inte direkt. En 12 V-strip f\u00e5r inte matas med 24 V. Om ett projekt har b\u00e5da sp\u00e4nningarna m\u00e5ste de ha separata, korrekta str\u00f6mf\u00f6rs\u00f6rjningar eller omvandlare.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Daempning\"><\/span>D\u00e4mpning<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>B\u00e5de 12 V- och 24 V-ljuslister kan normalt dimras via PWM med en kompatibel styrenhet. Styrenhetens sp\u00e4nningsomr\u00e5de och str\u00f6mkapacitet m\u00e5ste passa installationen.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Kabeldimension_betyder_noget\"><\/span>Kabelns dimension spelar roll<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>L\u00e5g sp\u00e4nning kan ge h\u00f6g str\u00f6m. D\u00e4rf\u00f6r m\u00e5ste kablarna dimensioneras utifr\u00e5n str\u00f6m, l\u00e4ngd och till\u00e5tet sp\u00e4nningsfall. En f\u00f6r tunn kabel kan orsaka m\u00e4rkbar ljusf\u00f6rlust och on\u00f6dig v\u00e4rme.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Hvorfor_bliver_strommen_halveret_ved_24V\"><\/span>Varf\u00f6r halveras str\u00f6mmen vid 24 V?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Effekt \u00e4r sp\u00e4nning g\u00e5nger str\u00f6m: <strong>P = U \u00d7 I<\/strong>. Om en LED-remsa f\u00f6rbrukar 120 W blir str\u00f6mmen ungef\u00e4r:<\/p>\n<ul>\n<li>120 W \/ 12 V = 10 A<\/li>\n<li>120 W \/ 24 V = 5 A<\/li>\n<\/ul>\n<p>Den l\u00e4gre str\u00f6mmen vid 24 V inneb\u00e4r ett mindre sp\u00e4nningsfall i kablar och kopparledningar och g\u00f6r det enklare att dimensionera styrenheter och kontakter.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Spaendingsfald_%E2%80%93_praktisk_eksempel\"><\/span>Sp\u00e4nningsfall \u2013 praktiskt exempel<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>T\u00e4nk dig en 10 meter l\u00e5ng LED-remsa med en effekt p\u00e5 14,4 W\/m. Den totala effekten blir 144 W. Vid 12 V motsvarar detta cirka 12 A, medan det vid 24 V motsvarar cirka 6 A.<\/p>\n<p>Om hela str\u00f6mmen leds genom kabelstr\u00e4ngen fr\u00e5n ena \u00e4nden blir sp\u00e4nningsfallet betydande, s\u00e4rskilt vid 12 V. D\u00e4rf\u00f6r b\u00f6r l\u00e5nga str\u00e4ckor delas upp eller f\u00f6rs\u00f6rjas med str\u00f6m fr\u00e5n flera punkter.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"12V_giver_kortere_segmenter\"><\/span>12 V ger kortare segment<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>En f\u00f6rdel med 12 V-ljusslingor \u00e4r ofta kortare avst\u00e5nd mellan lysdioderna. Det kan vara anv\u00e4ndbart i m\u00f6bler och nischer d\u00e4r ljusslingan m\u00e5ste anpassas mycket exakt. 24 V-ljusslingor har vanligtvis l\u00e4ngre segment, eftersom fler lysdioder kopplas i serie.<\/p>\n<p>Det varierar dock mellan olika produkter, s\u00e5 kontrollera alltid klippm\u00e4rkena.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"24V_til_professionelle_installationer\"><\/span>24 V f\u00f6r professionella installationer<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>F\u00f6r l\u00e4ngre k\u00f6ksbelysningsstr\u00e4ckor, hyllsystem, butiker och arkitektonisk belysning v\u00e4ljer man ofta 24 V. Det beror inte p\u00e5 att 24 V i sig ger b\u00e4ttre ljus, utan p\u00e5 att str\u00f6mf\u00f6rdelningen blir enklare.<\/p>\n<p>Vid mycket l\u00e5nga installationer kan \u00e4ven 48 V- eller konstantstr\u00f6msl\u00f6sningar f\u00f6rekomma, men 24 V \u00e4r i praktiken mycket vanligt i LED-remsprojekt.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Kabeldimension\"><\/span>Kabeldimension<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u00c4ven om str\u00f6mmen vid 24 V \u00e4r l\u00e4gre kan l\u00e5nga kablar \u00e4nd\u00e5 orsaka sp\u00e4nningsfall. Kabelens tv\u00e4rsnitt m\u00e5ste v\u00e4ljas utifr\u00e5n str\u00f6mstyrka och l\u00e4ngd. Om str\u00f6mk\u00e4llan st\u00e5r l\u00e5ngt fr\u00e5n eluttaget \u00e4r det ofta b\u00e4ttre att dra en kraftigare kabel fram till en lokal f\u00f6rdelningspunkt.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Eksempel_3_meter_under_kokkenskabe\"><\/span>Exempel: 3 meter under k\u00f6kssk\u00e5pen<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>En tre meter l\u00e5ng ljuslist p\u00e5 10 W\/m f\u00f6rbrukar 30 W. H\u00e4r fungerar b\u00e5de 12 V och 24 V utm\u00e4rkt. Om anl\u00e4ggningen redan har en 12 V-drivrutin finns det kanske ingen anledning att byta. Vid en ny installation ger dock 24 V ofta st\u00f6rre flexibilitet f\u00f6r senare utbyggnad.<\/p>\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"1672\" height=\"941\" src=\"https:\/\/www.sunflux.dk\/wp-content\/uploads\/2026\/09\/12v-vs-24v-led-strips-12v-24v-lys-i-koekken.webp\" alt=\"J\u00e4mf\u00f6relse mellan 12 V- och 24 V-LED-remsor i k\u00f6ket\" class=\"wp-image-23201\" decoding=\"async\" srcset=\"https:\/\/www.sunflux.dk\/wp-content\/uploads\/2026\/09\/12v-vs-24v-led-strips-12v-24v-lys-i-koekken.webp 1672w, https:\/\/www.sunflux.dk\/wp-content\/uploads\/2026\/09\/12v-vs-24v-led-strips-12v-24v-lys-i-koekken-300x169.webp 300w, https:\/\/www.sunflux.dk\/wp-content\/uploads\/2026\/09\/12v-vs-24v-led-strips-12v-24v-lys-i-koekken-1024x576.webp 1024w, https:\/\/www.sunflux.dk\/wp-content\/uploads\/2026\/09\/12v-vs-24v-led-strips-12v-24v-lys-i-koekken-768x432.webp 768w, https:\/\/www.sunflux.dk\/wp-content\/uploads\/2026\/09\/12v-vs-24v-led-strips-12v-24v-lys-i-koekken-1536x864.webp 1536w, https:\/\/www.sunflux.dk\/wp-content\/uploads\/2026\/09\/12v-vs-24v-led-strips-12v-24v-lys-i-koekken-18x10.webp 18w, https:\/\/www.sunflux.dk\/wp-content\/uploads\/2026\/09\/12v-vs-24v-led-strips-12v-24v-lys-i-koekken-800x450.webp 800w, https:\/\/www.sunflux.dk\/wp-content\/uploads\/2026\/09\/12v-vs-24v-led-strips-12v-24v-lys-i-koekken-500x281.webp 500w\" sizes=\"auto, (max-width: 1672px) 100vw, 1672px\" \/><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"Eksempel_15_meter_rundt_om_et_rum\"><\/span>Exempel: 15 meter runt ett rum<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>H\u00e4r b\u00f6r du inte bara ansluta en 15 meter l\u00e5ng kabel fr\u00e5n ena \u00e4nden. Dela upp installationen i sektioner och dra str\u00f6m till flera punkter. 24 V \u00e4r vanligtvis mer praktiskt \u00e4n 12 V.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Controllerens_stromkapacitet\"><\/span>Styrenhetens str\u00f6mkapacitet<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>En RGBW-styrenhet kan till exempel vara m\u00e4rkt 4 \u00d7 5 A. Det betyder inte n\u00f6dv\u00e4ndigtvis 20 A kontinuerligt i alla situationer; den totala gr\u00e4nsen m\u00e5ste ocks\u00e5 kontrolleras. Vid 12 V n\u00e5r man str\u00f6mgr\u00e4nserna snabbare \u00e4n vid 24 V.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Samme_watt_%E2%80%93_samme_energiforbrug\"><\/span>Samma watt \u2013 samma energif\u00f6rbrukning<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>En 100 W-ljusstripsinstallation f\u00f6rbrukar ungef\u00e4r lika mycket energi, oavsett om den \u00e4r 12 V eller 24 V. 24 V \u00e4r allts\u00e5 inte automatiskt mer energisn\u00e5lt. F\u00f6rdelen ligger fr\u00e4mst i elf\u00f6rdelningen och den l\u00e4gre str\u00f6mstyrkan.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Kan_man_koble_12V_strips_i_serie_til_24V\"><\/span>Kan man koppla ihop 12 V-strips i serie till 24 V?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Det b\u00f6r man normalt inte g\u00f6ra som en hemmagjord l\u00f6sning. LED-remsor \u00e4r konstruerade f\u00f6r en viss sp\u00e4nning och segmentstruktur. Anv\u00e4nd en remsa som \u00e4r konstruerad f\u00f6r den \u00f6nskade sp\u00e4nningen.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Driverens_placering\"><\/span>Drivrutinens placering<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>L\u00e5gsp\u00e4nningsledningen fr\u00e5n drivdonet till skivan b\u00f6r inte vara on\u00f6digt l\u00e5ng. Om drivdonet kan placeras n\u00e4rmare lasten och \u00e4nd\u00e5 ha god ventilation och tillg\u00e5ng f\u00f6r underh\u00e5ll minskar kabelf\u00f6rlusterna.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Daempning_og_PWM-frekvens\"><\/span>D\u00e4mpning och PWM-frekvens<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>B\u00e5de 12 V- och 24 V-ljuslister dimras normalt via PWM. Se till att styrenheten st\u00f6der den valda sp\u00e4nningen och den totala str\u00f6mmen. I kamera- eller videomilj\u00f6er kan en h\u00f6g PWM-frekvens vara viktig f\u00f6r att undvika synligt flimmer i inspelningarna.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Kobstjekliste\"><\/span>Ink\u00f6pslista<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>Hur l\u00e5ng \u00e4r den totala remsan?<\/li>\n<li>Watt per meter?<\/li>\n<li>Total effekt?<\/li>\n<li>Hur m\u00e5nga str\u00f6manslutningspunkter?<\/li>\n<li>12 V- eller 24 V-drivdon?<\/li>\n<li>Str\u00f6mgr\u00e4nsen f\u00f6r styrenheten?<\/li>\n<li>Kabell\u00e4ngd och tv\u00e4rsnitt?<\/li>\n<li>Klippningsl\u00e4ngd?<\/li>\n<li>Beh\u00f6ver du d\u00e4mpning eller RGB?<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Relaterede_guides_til_dimensionering_af_LED_strips\"><\/span>Relaterade guider f\u00f6r dimensionering av LED-remsor<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>N\u00e4r sp\u00e4nningen har valts \u00e4r n\u00e4sta steg att v\u00e4lja r\u00e4tt str\u00f6mf\u00f6rs\u00f6rjning. Se d\u00e4rf\u00f6r <a href=\"https:\/\/www.sunflux.dk\/sv\/blogg\/saa-har-valjer-du-en-led-drivkrets-for-12-v-eller-24-v-med-konstant-strom\">Guide till LED-drivdon<\/a>. Om du samtidigt vill ha bra ljuskvalitet och en j\u00e4mn ljuslinje, s\u00e5 j\u00e4mf\u00f6r <a href=\"https:\/\/www.sunflux.dk\/sv\/blogg\/cob-led-remsa-jamfort-med-vanlig-led-remsa\">COB och vanlig LED-remsa<\/a>.<\/p>\n<p>N\u00e4r det g\u00e4ller d\u00e4mpning och styrning b\u00f6r du ocks\u00e5 l\u00e4sa <a href=\"https:\/\/www.sunflux.dk\/sv\/blogg\/led-daempning-fase-pwm-1-10v-dali\">Guide till LED-d\u00e4mpning<\/a>. F\u00f6r ber\u00e4kning av effekt och energif\u00f6rbrukning finns dessutom den befintliga guiden <a href=\"https:\/\/www.sunflux.dk\/sv\/blogg\/led-remsor-energiforbrukning\">LED-remsor och deras str\u00f6mf\u00f6rbrukning<\/a>.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"FAQ\"><\/span>Vanliga fr\u00e5gor<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Lyser_24V_kraftigere_end_12V\"><\/span>Lyser 24 V starkare \u00e4n 12 V?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Inte n\u00f6dv\u00e4ndigtvis. Ljusstyrkan best\u00e4ms av den specifika lysdiodremsan, inte enbart av sp\u00e4nningen.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Bruger_24V_mindre_strom\"><\/span>F\u00f6rbrukar 24 V mindre str\u00f6m?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Vid samma effekt f\u00f6rbrukar 24 V mindre str\u00f6m i ampere \u00e4n 12 V, men energif\u00f6rbrukningen i watt kan vara densamma.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Kan_jeg_bruge_en_24V_driver_pa_en_12V_strip\"><\/span>Kan jag anv\u00e4nda en 24 V-drivrutin p\u00e5 en 12 V-ljusslinga?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Nej.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Er_24V_altid_bedst\"><\/span>\u00c4r 24 V alltid b\u00e4st?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Nej. 12 V fungerar bra f\u00f6r korta och befintliga 12 V-system. 24 V \u00e4r ofta mer praktiskt vid l\u00e4ngre och kraftfullare installationer.<\/p>\n<p><strong>Facklig anm\u00e4rkning:<\/strong> Vid l\u00e4ngre LED-remsprojekt b\u00f6r sp\u00e4nningsfallet ber\u00e4knas, och str\u00f6mf\u00f6rs\u00f6rjningen b\u00f6r vid behov anslutas p\u00e5 flera st\u00e4llen. Dimensionera b\u00e5de drivdon, styrenhet och kabel efter den totala belastningen.<\/p>","protected":false},"excerpt":{"rendered":"<p>En guide till skillnaden mellan 12 V- och 24 V-LED-remsor med fokus p\u00e5 sp\u00e4nningsfall, l\u00e4ngd, str\u00f6m, drivdon, kabeldimension, dimning och praktisk anv\u00e4ndning.<\/p>","protected":false},"author":1,"featured_media":23200,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"ocean_front_end_style_editor":"no","ocean_post_layout":"","ocean_both_sidebars_style":"","ocean_both_sidebars_content_width":0,"ocean_both_sidebars_sidebars_width":0,"ocean_sidebar":"","ocean_second_sidebar":"","ocean_disable_margins":"enable","ocean_add_body_class":"","ocean_shortcode_before_top_bar":"","ocean_shortcode_after_top_bar":"","ocean_shortcode_before_header":"","ocean_shortcode_after_header":"","ocean_has_shortcode":"","ocean_shortcode_after_title":"","ocean_shortcode_before_footer_widgets":"","ocean_shortcode_after_footer_widgets":"","ocean_shortcode_before_footer_bottom":"","ocean_shortcode_after_footer_bottom":"","ocean_display_top_bar":"default","ocean_display_header":"default","ocean_header_style":"","ocean_center_header_left_menu":"","ocean_custom_header_template":"","ocean_custom_logo":0,"ocean_custom_retina_logo":0,"ocean_custom_logo_max_width":0,"ocean_custom_logo_tablet_max_width":0,"ocean_custom_logo_mobile_max_width":0,"ocean_custom_logo_max_height":0,"ocean_custom_logo_tablet_max_height":0,"ocean_custom_logo_mobile_max_height":0,"ocean_header_custom_menu":"","ocean_menu_typo_font_family":"","ocean_menu_typo_font_subset":"","ocean_menu_typo_font_size":0,"ocean_menu_typo_font_size_tablet":0,"ocean_menu_typo_font_size_mobile":0,"ocean_menu_typo_font_size_unit":"px","ocean_menu_typo_font_weight":"","ocean_menu_typo_font_weight_tablet":"","ocean_menu_typo_font_weight_mobile":"","ocean_menu_typo_transform":"","ocean_menu_typo_transform_tablet":"","ocean_menu_typo_transform_mobile":"","ocean_menu_typo_line_height":0,"ocean_menu_typo_line_height_tablet":0,"ocean_menu_typo_line_height_mobile":0,"ocean_menu_typo_line_height_unit":"","ocean_menu_typo_spacing":0,"ocean_menu_typo_spacing_tablet":0,"ocean_menu_typo_spacing_mobile":0,"ocean_menu_typo_spacing_unit":"","ocean_menu_link_color":"","ocean_menu_link_color_hover":"","ocean_menu_link_color_active":"","ocean_menu_link_background":"","ocean_menu_link_hover_background":"","ocean_menu_link_active_background":"","ocean_menu_social_links_bg":"","ocean_menu_social_hover_links_bg":"","ocean_menu_social_links_color":"","ocean_menu_social_hover_links_color":"","ocean_disable_title":"default","ocean_disable_heading":"default","ocean_post_title":"","ocean_post_subheading":"","ocean_post_title_style":"","ocean_post_title_background_color":"","ocean_post_title_background":0,"ocean_post_title_bg_image_position":"","ocean_post_title_bg_image_attachment":"","ocean_post_title_bg_image_repeat":"","ocean_post_title_bg_image_size":"","ocean_post_title_height":0,"ocean_post_title_bg_overlay":0.5,"ocean_post_title_bg_overlay_color":"","ocean_disable_breadcrumbs":"default","ocean_breadcrumbs_color":"","ocean_breadcrumbs_separator_color":"","ocean_breadcrumbs_links_color":"","ocean_breadcrumbs_links_hover_color":"","ocean_display_footer_widgets":"default","ocean_display_footer_bottom":"default","ocean_custom_footer_template":"","ocean_post_oembed":"","ocean_post_self_hosted_media":"","ocean_post_video_embed":"","ocean_link_format":"","ocean_link_format_target":"self","ocean_quote_format":"","ocean_quote_format_link":"post","ocean_gallery_link_images":"on","ocean_gallery_id":[],"footnotes":""},"categories":[1577],"tags":[],"class_list":["post-23106","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-led-strips-blog","entry","has-media","owp-thumbs-layout-horizontal","owp-btn-normal","owp-tabs-layout-horizontal","has-no-thumbnails","has-product-nav"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.sunflux.dk\/sv\/wp-json\/wp\/v2\/posts\/23106","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.sunflux.dk\/sv\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.sunflux.dk\/sv\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.sunflux.dk\/sv\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sunflux.dk\/sv\/wp-json\/wp\/v2\/comments?post=23106"}],"version-history":[{"count":0,"href":"https:\/\/www.sunflux.dk\/sv\/wp-json\/wp\/v2\/posts\/23106\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.sunflux.dk\/sv\/wp-json\/wp\/v2\/media\/23200"}],"wp:attachment":[{"href":"https:\/\/www.sunflux.dk\/sv\/wp-json\/wp\/v2\/media?parent=23106"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.sunflux.dk\/sv\/wp-json\/wp\/v2\/categories?post=23106"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.sunflux.dk\/sv\/wp-json\/wp\/v2\/tags?post=23106"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}