{"id":14226,"date":"2026-04-15T14:11:44","date_gmt":"2026-04-15T06:11:44","guid":{"rendered":"https:\/\/www.wehopower.com\/?post_type=product&#038;p=10774"},"modified":"2026-04-28T19:46:22","modified_gmt":"2026-04-28T11:46:22","slug":"48v-to-12v-40a-480w-dc-to-dc-converter","status":"publish","type":"product","link":"https:\/\/www.wehopower.com\/fr\/product\/48v-to-12v-40a-480w-dc-to-dc-converter\/","title":{"rendered":"48V to 12V 40A 480W DC to DC Converter"},"content":{"rendered":"<p><strong>R\u00e9sum\u00e9<\/strong><br \/>\nPuissance nominale\u00a0: puissance 480W<br \/>\nTension d'entr\u00e9e: 48VDC<br \/>\nLongueur du fil\u00a0: 160 mm \u00b1 10\u00a0mm<\/p>\n<p>&nbsp;<\/p>\n<p><strong>Sp\u00e9cification g\u00e9n\u00e9rale<\/strong><\/p>\n<table style=\"width: 884px;\">\n<tbody>\n<tr style=\"height: 30px;\">\n<td style=\"width: 260px; height: 30px;\" width=\"25%\">Mod\u00e8le<\/td>\n<td style=\"width: 624px; height: 30px;\" width=\"60%\">WH-C481240<\/td>\n<\/tr>\n<tr style=\"height: 30px;\">\n<td style=\"width: 260px; height: 30px;\" width=\"25%\">Puissance de sortie nominale (W)<\/td>\n<td style=\"width: 624px; height: 30px;\" width=\"60%\">480W<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 260px;\" width=\"213\">Rated input voltage(V)<\/td>\n<td style=\"width: 624px;\" width=\"598\">48 V CC<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 260px;\" width=\"213\">Rated output voltage(V)<\/td>\n<td style=\"width: 624px;\" width=\"598\">12 V CC<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 260px;\" width=\"213\">Input voltage range(V)<\/td>\n<td style=\"width: 624px;\" width=\"598\">30V-60VCC<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 260px;\" width=\"213\">Input starting voltage(V)<\/td>\n<td style=\"width: 624px;\" width=\"598\">30VDC 100%Load<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 260px;\" width=\"213\">Input low voltage protection(V)<\/td>\n<td style=\"width: 624px;\" width=\"598\">\u00c9teindre la sortie lorsque \u2264 26VDC, et r\u00e9cup\u00e9rer automatiquement lorsque \u2265 29VDC<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 260px;\" width=\"213\">Consommation \u00e9lectrique \u00e0 vide (W)<\/td>\n<td style=\"width: 624px;\" width=\"598\">\u00ab 4W<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 260px;\" width=\"213\">Efficacit\u00e9<\/td>\n<td style=\"width: 624px;\" width=\"598\">95%<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 260px;\" width=\"213\">Output voltage(V)<\/td>\n<td style=\"width: 624px;\" width=\"598\">12 V CC<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 260px;\" width=\"213\">Courant de sortie<\/td>\n<td style=\"width: 624px;\" width=\"598\">40a<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 260px;\" width=\"213\">Tol\u00e9rance de tension<\/td>\n<td style=\"width: 624px;\" width=\"598\">1%<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 260px;\" width=\"213\">R\u00e9gulation de charge<\/td>\n<td style=\"width: 624px;\" width=\"598\">3%<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 260px;\" width=\"213\">Vague (MVP-p)<\/td>\n<td style=\"width: 624px;\" width=\"598\">100\u00a0mv\u00a0Condensateur externe 22UF ESR &lt; 0,\u00a01\u00a0\u03a9\u00a0100\u00a0KHZ<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 260px;\" width=\"213\">Protection contre les surintensit\u00e9s<\/td>\n<td style=\"width: 624px;\" width=\"598\">Dans le cas d'une sortie nominale, si le courant d\u00e9passe 1\u00a0201\u00a0TP3T du courant nominal, la protection contre les surintensit\u00e9s agira et elle se r\u00e9tablira automatiquement apr\u00e8s la disparition de la surintensit\u00e9.<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 260px;\" width=\"213\">Protection contre les courts-circuits de sortie<\/td>\n<td style=\"width: 624px;\" width=\"598\">\u00c9quivalent \u00e0 un courant maximal de 35A et une tension de sortie de 0V<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 260px;\" width=\"213\">Entr\u00e9e-sortie<\/td>\n<td style=\"width: 624px;\" width=\"598\">Non isol\u00e9<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 260px;\" width=\"213\">\u00c9tanche<\/td>\n<td style=\"width: 624px;\" width=\"598\">Enti\u00e8rement scell\u00e9 et \u00e9tanche<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 260px;\" width=\"213\">Dimension<\/td>\n<td style=\"width: 624px;\" width=\"598\">118\u00d780\u00d728mm<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 260px;\" width=\"213\">N.W.<\/td>\n<td style=\"width: 624px;\" width=\"598\">500g<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 260px;\" width=\"213\">M\u00e9thode de refroidissement<\/td>\n<td style=\"width: 624px;\" width=\"598\">M\u00e9thode naturelle<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 260px;\" width=\"213\">Augmentation de la temp\u00e9rature nominale (\u2103)<\/td>\n<td style=\"width: 624px;\" width=\"598\">45 \u2103<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 260px;\" width=\"213\">Fiabilit\u00e9<\/td>\n<td style=\"width: 624px;\" width=\"598\">&gt;100 000 heures<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 260px;\" width=\"213\">Indicateur de fil<\/td>\n<td style=\"width: 624px;\" width=\"598\">Entr\u00e9e positive (rouge), entr\u00e9e sortie n\u00e9gative (noir), sortie positive (jaune), longueur de fil = 160mm \u00b1 10mm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>","protected":false},"excerpt":{"rendered":"<p>Summary Rated output: power 480W Input voltage: 48VDC Wire Length: 160mm\u00b110mm &nbsp; General\u00a0specification Model WH-C481240 Rated Output Power (W) 480W Rated input voltage(V) 48VDC Rated output voltage(V) 12VDC Input voltage range(V) 30V-60VDC Input starting voltage(V) 30VDC 100%Load Input low voltage protection(V) Turn off the output when\u00a0\u2264 26VDC, and self recover when\u00a0\u2265 29VDC No-load power consumption&hellip; <a class=\"more-link\" href=\"https:\/\/www.wehopower.com\/fr\/product\/48v-to-12v-40a-480w-dc-to-dc-converter\/\">Continuer la lecture <span class=\"screen-reader-text\">48V to 12V 40A 480W DC to DC Converter<\/span><\/a><\/p>","protected":false},"author":1,"featured_media":13794,"comment_status":"closed","ping_status":"closed","template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"product_category":[75],"product_categories_new":[134],"class_list":["post-14226","product","type-product","status-publish","format-standard","has-post-thumbnail","hentry","product_category-dc-dc-converter","product_categories_new-wh-c-b-series","entry"],"acf":[],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/www.wehopower.com\/fr\/wp-json\/wp\/v2\/product\/14226","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wehopower.com\/fr\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.wehopower.com\/fr\/wp-json\/wp\/v2\/types\/product"}],"author":[{"embeddable":true,"href":"https:\/\/www.wehopower.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wehopower.com\/fr\/wp-json\/wp\/v2\/comments?post=14226"}],"version-history":[{"count":0,"href":"https:\/\/www.wehopower.com\/fr\/wp-json\/wp\/v2\/product\/14226\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wehopower.com\/fr\/wp-json\/wp\/v2\/media\/13794"}],"wp:attachment":[{"href":"https:\/\/www.wehopower.com\/fr\/wp-json\/wp\/v2\/media?parent=14226"}],"wp:term":[{"taxonomy":"product_category","embeddable":true,"href":"https:\/\/www.wehopower.com\/fr\/wp-json\/wp\/v2\/product_category?post=14226"},{"taxonomy":"product_categories_new","embeddable":true,"href":"https:\/\/www.wehopower.com\/fr\/wp-json\/wp\/v2\/product_categories_new?post=14226"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}