{"id":4178,"date":"2023-01-30T12:57:19","date_gmt":"2023-01-30T12:57:19","guid":{"rendered":"https:\/\/www.led-flash.fr\/?p=4178"},"modified":"2023-01-30T12:57:19","modified_gmt":"2023-01-30T12:57:19","slug":"transformateur-led-choisir","status":"publish","type":"post","link":"https:\/\/www.led-flash.fr\/blog\/transformateur-led-choisir\/","title":{"rendered":"TRANSFORMATEUR LED, QUAND DOIT-ON EN UTILISER ?"},"content":{"rendered":"<p class=\"p1\">L\u2019utilisation de certains spots LED, ampoules et tubes requiert l\u2019utilisation d\u2019un\u00a0<strong>transformateur<\/strong>. Le branchement direct sur le r\u00e9seau \u00e9lectrique d\u00e9boucherait imm\u00e9diatement sur leur destruction. Comment savoir quand il faut utiliser un transformateur LED, lequel choisir\u00a0? La r\u00e9ponse se trouve ci-dessous.<\/p>\n<h2 class=\"p1\">12 V ou 220 V\u00a0?<\/h2>\n<p class=\"p1\">Pour les nuls en \u00e9lectricit\u00e9, la tension d\u2019une installation \u00e9lectrique domestique est de\u00a0<strong>220 V<\/strong>\u00a0en France. On peut donc brancher directement sur le r\u00e9seau une ampoule 220 V. Mais dans le cas d\u2019une ampoule LED 12 V, cette puissance bien trop importante va la griller. D\u2019o\u00f9 l\u2019importance d\u2019installer en amont un transformateur. Comme son nom l\u2019indique, le transformateur LED va donc convertir le voltage de l\u2019<strong>\u00e9lectricit\u00e9 de 220 V \u00e0 12 V<\/strong>.<\/p>\n<p class=\"p1\">Nous disons 12 V par facilit\u00e9, car il s\u2019agit de la puissance la plus courante outre le 220 V. Mais il existe des ampoules LED de diff\u00e9rents voltages. Veuillez n\u00e9anmoins noter que chaque transformateur LED dispose d\u2019un\u00a0<strong>\u00e9cart de tol\u00e9rance<\/strong>. Il est souvent de 5 V, ce qui signifie que vous pouvez brancher un spot LED de disons 15 V sur un transformateur LED 12 V.<\/p>\n<h2 class=\"p1\">Les types d\u2019\u00e9clairage qui ont besoin d\u2019un transformateur LED<\/h2>\n<p class=\"p1\">Le voltage de toute solution d\u2019\u00e9clairage LED figure sur l\u2019\u00e9tiquette, il est donc ais\u00e9 de savoir si vous avez besoin d\u2019un transformateur LED ou pas. Certaines ampoules sont disponibles en versions 12 et 220 volts, il faut donc \u00eatre vigilant. Pour d\u2019autres, elles n\u2019existent qu\u2019en version 12V ou autre voltage basse tension, ce qui facilite la t\u00e2che. Notamment :<\/p>\n<ul class=\"ul1\">\n<li class=\"li1\"><a href=\"https:\/\/led-flash.fr\/6-spot-led-gu53\" target=\"_blank\" rel=\"noopener noreferrer\">Spots LED GU5.3<\/a><\/li>\n<li class=\"li1\"><a href=\"https:\/\/led-flash.fr\/114-ampoule-led-g4\" target=\"_blank\" rel=\"noopener noreferrer\">Spots LED GU4<\/a><\/li>\n<li class=\"li1\"><a href=\"https:\/\/led-flash.fr\/46-bandeaux-led\" target=\"_blank\" rel=\"noopener noreferrer\">Bandeaux LED<\/a><\/li>\n<li class=\"li1\">Ampoules LED pour environnement humide<\/li>\n<\/ul>\n<h2 class=\"p1\">Comment choisir son transformateur LED<\/h2>\n<p class=\"p1\">Bien entendu, le voltage est un param\u00e8tre crucial dans le choix d\u2019un transformateur LED. Mais le nombre de\u00a0<strong>watts<\/strong>\u00a0l\u2019est tout autant. Ce chiffre va permettre de d\u00e9terminer le nombre d\u2019ampoules que le transformateur LED est en mesure de supporter. Il faut donc\u00a0<strong>calculer<\/strong>\u00a0la puissance requise par votre installation (en multipliant la puissance en watts des ampoules qui seront aliment\u00e9es par le transfo). Le total obtenu, vous ajouterez une marge de s\u00e9curit\u00e9 de 10 %. Et vu que vous ne trouverez probablement pas un transformateur d\u00e9livrant exactement la puissance souhait\u00e9e, vous choisirez le mod\u00e8le\u00a0<strong>le plus proche<\/strong>\u00a0\u00e0 la hausse.<\/p>\n<p class=\"p1\">Par exemple, pour alimenter 5 spots LED de 5 W, vous aurez besoin de 5 x 5= 25 + 2,5 de marge de s\u00e9curit\u00e9 (10%)\u00a0: 27,5 watts. Vous ach\u00e8terez donc un transformateur LED de 30 W.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>L\u2019utilisation de certains spots LED, ampoules et tubes requiert l\u2019utilisation d\u2019un\u00a0transformateur. Le branchement direct sur le r\u00e9seau \u00e9lectrique d\u00e9boucherait imm\u00e9diatement sur leur destruction. Comment savoir quand il faut utiliser un transformateur LED, lequel choisir\u00a0? La r\u00e9ponse se trouve ci-dessous. 12 V ou 220 V\u00a0? Pour les nuls en \u00e9lectricit\u00e9, la tension d\u2019une installation \u00e9lectrique domestique &#8230; <a title=\"TRANSFORMATEUR LED, QUAND DOIT-ON EN UTILISER ?\" class=\"read-more\" href=\"https:\/\/www.led-flash.fr\/blog\/transformateur-led-choisir\/\" aria-label=\"Plus sur TRANSFORMATEUR LED, QUAND DOIT-ON EN UTILISER ?\">Lire plus<\/a><\/p>\n","protected":false},"author":1,"featured_media":3490,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[125],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>TRANSFORMATEUR LED, QUAND DOIT-ON EN UTILISER ? - Led : Fournisseur Fran\u00e7ais TechLED<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.led-flash.fr\/blog\/transformateur-led-choisir\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"TRANSFORMATEUR LED, QUAND DOIT-ON EN UTILISER ? - Led : Fournisseur Fran\u00e7ais TechLED\" \/>\n<meta property=\"og:description\" content=\"L\u2019utilisation de certains spots LED, ampoules et tubes requiert l\u2019utilisation d\u2019un\u00a0transformateur. Le branchement direct sur le r\u00e9seau \u00e9lectrique d\u00e9boucherait imm\u00e9diatement sur leur destruction. Comment savoir quand il faut utiliser un transformateur LED, lequel choisir\u00a0? La r\u00e9ponse se trouve ci-dessous. 12 V ou 220 V\u00a0? Pour les nuls en \u00e9lectricit\u00e9, la tension d\u2019une installation \u00e9lectrique domestique ... 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