{"id":1117,"date":"2021-11-02T02:54:00","date_gmt":"2021-11-02T02:54:00","guid":{"rendered":"https:\/\/www.wehopower.com\/?post_type=product&#038;p=1117"},"modified":"2026-09-28T15:24:37","modified_gmt":"2026-09-28T07:24:37","slug":"s-400w-series-normal-single-switching-power-supply","status":"publish","type":"product","link":"https:\/\/www.wehopower.com\/fr\/product\/s-400w-series-normal-single-switching-power-supply\/","title":{"rendered":"Alimentation \u00e0 d\u00e9coupage unique normale s\u00e9rie S-400W"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><div class=\"vc_row wpb_row vc_row-fluid\"><div class=\"wpb_column vc_column_container vc_col-sm-12\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><div class=\"vc_tta-container\" data-vc-action=\"collapse\"><div class=\"vc_general vc_tta vc_tta-accordion vc_tta-color-grey vc_tta-style-classic vc_tta-shape-rounded vc_tta-o-shape-group vc_tta-controls-align-default\"><div class=\"vc_tta-panels-container\"><div class=\"vc_tta-panels\"><div class=\"vc_tta-panel vc_active\" id=\"1636701172155-32719f5d-02c1\" data-vc-content=\".vc_tta-panel-body\"><div class=\"vc_tta-panel-heading\"><h4 class=\"vc_tta-panel-title vc_tta-controls-icon-position-left\"><a href=\"#1636701172155-32719f5d-02c1\" data-vc-accordion data-vc-container=\".vc_tta-container\"><span class=\"vc_tta-title-text\">Sp\u00e9cifications et mod\u00e8le<\/span><i class=\"vc_tta-controls-icon vc_tta-controls-icon-plus\"><\/i><\/a><\/h4><\/div><div class=\"vc_tta-panel-body\">\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<table style=\"width: 100%; height: 540px;\" border=\"0\" width=\"100%\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr style=\"height: 30px;\">\n<td style=\"width: 27.2408%; height: 30px; text-align: center;\" width=\"210\" height=\"19\">Sp\u00e9cification<\/td>\n<td style=\"width: 18.1019%; height: 30px; text-align: center;\" width=\"74\">S-400-5<\/td>\n<td style=\"width: 18.1019%; height: 30px; text-align: center;\" width=\"78\">S-400-12<\/td>\n<td style=\"width: 18.1019%; height: 30px; text-align: center;\" width=\"94\">S-400-24<\/td>\n<td style=\"width: 18.1019%; height: 30px; text-align: center;\" width=\"86\">S-400-48<\/td>\n<\/tr>\n<tr style=\"height: 30px;\">\n<td style=\"width: 27.2408%; height: 30px; text-align: center;\" width=\"210\" height=\"19\">Tension de sortie CC, courant<\/td>\n<td style=\"width: 18.1019%; height: 30px; text-align: center;\" width=\"74\">5V0 ~ 60A<\/td>\n<td style=\"width: 18.1019%; height: 30px; text-align: center;\" width=\"78\">12V0 ~ 33A<\/td>\n<td style=\"width: 18.1019%; height: 30px; text-align: center;\" width=\"94\">24 V 0 ~ 16,5 A.<\/td>\n<td style=\"width: 18.1019%; height: 30px; text-align: center;\" width=\"86\">48 V 0 ~ 8,3 A.<\/td>\n<\/tr>\n<tr style=\"height: 30px;\">\n<td style=\"width: 27.2408%; height: 30px; text-align: center;\" width=\"210\" height=\"19\">Vague et bruit<\/td>\n<td style=\"width: 18.1019%; height: 30px; text-align: center;\" width=\"74\">100 mVp-P<\/td>\n<td style=\"width: 18.1019%; height: 30px; text-align: center;\" width=\"78\">150 mVp-P<\/td>\n<td style=\"width: 18.1019%; height: 30px; text-align: center;\" width=\"94\">150 mVp-P<\/td>\n<td style=\"width: 18.1019%; height: 30px; text-align: center;\" width=\"86\">200 mVp-P<\/td>\n<\/tr>\n<tr style=\"height: 30px;\">\n<td style=\"width: 27.2408%; height: 30px; text-align: center;\" width=\"210\" height=\"19\">Stabilit\u00e9 du fil d'entr\u00e9e<\/td>\n<td style=\"width: 18.1019%; height: 30px; text-align: center;\" width=\"74\">\u00b10,5%<\/td>\n<td style=\"width: 18.1019%; height: 30px; text-align: center;\" width=\"78\">\u00b10,5%<\/td>\n<td style=\"width: 18.1019%; height: 30px; text-align: center;\" width=\"94\">\u00b10,5%<\/td>\n<td style=\"width: 18.1019%; height: 30px; text-align: center;\" width=\"86\">\u00b10,5%<\/td>\n<\/tr>\n<tr style=\"height: 30px;\">\n<td style=\"width: 27.2408%; height: 30px; text-align: center;\" width=\"210\" height=\"19\">Stabilit\u00e9 de la charge<\/td>\n<td style=\"width: 18.1019%; height: 30px; text-align: center;\" width=\"74\">\u00b11%<\/td>\n<td style=\"width: 18.1019%; height: 30px; text-align: center;\" width=\"78\">\u00b10,5%<\/td>\n<td style=\"width: 18.1019%; height: 30px; text-align: center;\" width=\"94\">\u00b10,5%<\/td>\n<td style=\"width: 18.1019%; height: 30px; text-align: center;\" width=\"86\">\u00b10,5%<\/td>\n<\/tr>\n<tr style=\"height: 30px;\">\n<td style=\"width: 27.2408%; height: 30px; text-align: center;\" width=\"210\" height=\"19\">Efficacit\u00e9<\/td>\n<td style=\"width: 18.1019%; height: 30px; text-align: center;\" width=\"74\">0.73<\/td>\n<td style=\"width: 18.1019%; height: 30px; text-align: center;\" width=\"78\">0.82<\/td>\n<td style=\"width: 18.1019%; height: 30px; text-align: center;\" width=\"94\">0.83<\/td>\n<td style=\"width: 18.1019%; height: 30px; text-align: center;\" width=\"86\">0.85<\/td>\n<\/tr>\n<tr style=\"height: 30px;\">\n<td style=\"width: 27.2408%; height: 30px; text-align: center;\" width=\"210\" height=\"19\">Plage r\u00e9glable pour la tension continue<\/td>\n<td style=\"width: 18.1019%; height: 30px; text-align: center;\" width=\"74\">\u00b110%<\/td>\n<td style=\"width: 18.1019%; height: 30px; text-align: center;\" width=\"78\">\u00b110%<\/td>\n<td style=\"width: 18.1019%; height: 30px; text-align: center;\" width=\"94\">\u00b110%<\/td>\n<td style=\"width: 18.1019%; height: 30px; text-align: center;\" width=\"86\">\u00b110%<\/td>\n<\/tr>\n<tr style=\"height: 30px;\">\n<td style=\"width: 27.2408%; height: 30px; text-align: center;\" width=\"210\" height=\"19\">Plage de tension d'entr\u00e9e<\/td>\n<td style=\"width: 72.4077%; height: 30px; text-align: center;\" colspan=\"4\" width=\"332\">90\uff5e132VAC\/180\uff5e264VAC par interrupteur 254\uff5e370VDC 47~63Hz<\/td>\n<\/tr>\n<tr style=\"height: 30px;\">\n<td style=\"width: 27.2408%; height: 30px; text-align: center;\" width=\"210\" height=\"19\">Courant d'impact<\/td>\n<td style=\"width: 72.4077%; height: 30px; text-align: center;\" colspan=\"4\" width=\"332\">Courant de d\u00e9marrage \u00e0 froid 25A\/115VAC 50A\/230VAC<\/td>\n<\/tr>\n<tr style=\"height: 30px;\">\n<td style=\"width: 27.2408%; height: 30px; text-align: center;\" width=\"210\" height=\"19\">Protection contre les surcharges<\/td>\n<td style=\"width: 72.4077%; height: 30px; text-align: center;\" colspan=\"4\" width=\"332\">105% ~ 135% coupe la sortie, r\u00e9cup\u00e9ration automatique<\/td>\n<\/tr>\n<tr style=\"height: 30px;\">\n<td style=\"width: 27.2408%; height: 30px; text-align: center;\" width=\"210\" height=\"19\">Protection contre les surtensions<\/td>\n<td style=\"width: 72.4077%; height: 30px; text-align: center;\" colspan=\"4\" width=\"332\">115% ~ 1501TP1R\u00e9duire la tension O\/P, remettre sous tension pour r\u00e9cup\u00e9rer<\/td>\n<\/tr>\n<tr style=\"height: 30px;\">\n<td style=\"width: 27.2408%; height: 30px; text-align: center;\" width=\"210\" height=\"19\">Configuration, mont\u00e9e, maintien de la disponibilit\u00e9<\/td>\n<td style=\"width: 72.4077%; height: 30px; text-align: center;\" colspan=\"4\" width=\"332\">200 ms, 50 ms, 20 ms\/230 VAC \u00e0 pleine charge<\/td>\n<\/tr>\n<tr style=\"height: 30px;\">\n<td style=\"width: 27.2408%; height: 30px; text-align: center;\" width=\"210\" height=\"19\">Tension avec<\/td>\n<td style=\"width: 72.4077%; height: 30px; text-align: center;\" colspan=\"4\" width=\"332\">I\/P-O\/P\u00a0:\u00a01,5\u00a0kV I\/P-FG\u00a0:\u00a01,5\u00a0kV O\/P-FG\u00a0:\u00a00,5\u00a0kV 1\u00a0minute<\/td>\n<\/tr>\n<tr style=\"height: 30px;\">\n<td style=\"width: 27.2408%; height: 30px; text-align: center;\" width=\"210\" height=\"19\">R\u00e9sistance d'isolement<\/td>\n<td style=\"width: 72.4077%; height: 30px; text-align: center;\" colspan=\"4\" width=\"332\">E\/P-O\/P I\/P-FG SORTIE\/P-FG\u00a0: 500\u00a0VDC\/100\u00a0M\u03a9<\/td>\n<\/tr>\n<tr style=\"height: 30px;\">\n<td style=\"width: 27.2408%; height: 30px; text-align: center;\" width=\"210\" height=\"19\">Temp\u00e9rature de travail<\/td>\n<td style=\"width: 72.4077%; height: 30px; text-align: center;\" colspan=\"4\" width=\"332\">-10 \u2103 ~ + 50 \u2103<\/td>\n<\/tr>\n<tr style=\"height: 30px;\">\n<td style=\"width: 27.2408%; height: 30px; text-align: center;\" width=\"210\" height=\"19\">Dimension<\/td>\n<td style=\"width: 72.4077%; height: 30px; text-align: center;\" colspan=\"4\" width=\"332\">215\u00d7115\u00d750mm<\/td>\n<\/tr>\n<tr style=\"height: 30px;\">\n<td style=\"width: 27.2408%; height: 30px; text-align: center;\" width=\"210\" height=\"19\">Poids<\/td>\n<td style=\"width: 72.4077%; height: 30px; text-align: center;\" colspan=\"4\" width=\"332\">1,1kg<\/td>\n<\/tr>\n<tr style=\"height: 30px;\">\n<td style=\"width: 27.2408%; height: 30px; text-align: center;\" width=\"210\" height=\"19\">Emballage<\/td>\n<td style=\"width: 72.4077%; height: 30px; text-align: center;\" colspan=\"4\" width=\"332\">45,5 \u00d7 31,5 \u00d7 26 cm\/20 pi\u00e8ces\/22 kg.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><div class=\"vc_tta-panel\" id=\"1636701110045-2231239d-d5c7\" data-vc-content=\".vc_tta-panel-body\"><div class=\"vc_tta-panel-heading\"><h4 class=\"vc_tta-panel-title vc_tta-controls-icon-position-left\"><a href=\"#1636701110045-2231239d-d5c7\" data-vc-accordion data-vc-container=\".vc_tta-container\"><span class=\"vc_tta-title-text\">Conception<\/span><i class=\"vc_tta-controls-icon vc_tta-controls-icon-plus\"><\/i><\/a><\/h4><\/div><div class=\"vc_tta-panel-body\">\n\t<div  class=\"wpb_single_image wpb_content_element vc_align_left wpb_content_element\">\n\t\t\n\t\t<figure class=\"wpb_wrapper vc_figure\">\n\t\t\t<a href=\"https:\/\/www.wehopower.com\/wp-content\/uploads\/2021\/11\/Overall-dimension-s-400-1024x255.jpg\" target=\"_self\" class=\"vc_single_image-wrapper   vc_box_border_grey\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1219\" height=\"304\" src=\"https:\/\/i1.wp.com\/www.wehopower.com\/wp-content\/uploads\/2021\/11\/Overall-dimension-s-400.jpg?quality=85&strip=all\" class=\"vc_single_image-img attachment-full\" alt=\"Dimension hors tout s 400\" title=\"Dimension hors tout s 400\" srcset=\"https:\/\/i1.wp.com\/www.wehopower.com\/wp-content\/uploads\/2021\/11\/Overall-dimension-s-400.jpg?quality=85&strip=all 1219w, https:\/\/i1.wp.com\/www.wehopower.com\/wp-content\/uploads\/2021\/11\/Overall-dimension-s-400-300x75.jpg?quality=85&strip=all 300w, https:\/\/i1.wp.com\/www.wehopower.com\/wp-content\/uploads\/2021\/11\/Overall-dimension-s-400-1024x255.jpg?quality=85&strip=all 1024w, https:\/\/i1.wp.com\/www.wehopower.com\/wp-content\/uploads\/2021\/11\/Overall-dimension-s-400-768x192.jpg?quality=85&strip=all 768w\" sizes=\"(max-width: 1219px) 100vw, 1219px\" style=\"width:100%;height:24.94%;max-width:1219px;\" \/><\/a>\n\t\t<\/figure>\n\t<\/div>\n<\/div><\/div><div class=\"vc_tta-panel\" id=\"1636701110038-e7dfe23b-653a\" data-vc-content=\".vc_tta-panel-body\"><div class=\"vc_tta-panel-heading\"><h4 class=\"vc_tta-panel-title vc_tta-controls-icon-position-left\"><a href=\"#1636701110038-e7dfe23b-653a\" data-vc-accordion data-vc-container=\".vc_tta-container\"><span class=\"vc_tta-title-text\">Caract\u00e9ristiques<\/span><i class=\"vc_tta-controls-icon vc_tta-controls-icon-plus\"><\/i><\/a><\/h4><\/div><div class=\"vc_tta-panel-body\">\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<p>Le capuchon blanc sur le connecteur sert aux pr\u00e9cautions de s\u00e9curit\u00e9 contre les chocs \u00e9lectriques et \u00e0 la protection contre la poussi\u00e8re.<\/p>\n<p>Tous les produits sont soumis \u00e0 des proc\u00e9dures de tests standardis\u00e9es pendant la production.<\/p>\n<p>Tension d'entr\u00e9e de ce produit\u00a0: 90-132\/180-264VAC, modifi\u00e9e par l'interrupteur.<\/p>\n<p>Ce produit est dot\u00e9 de fonctions compl\u00e8tes int\u00e9gr\u00e9es de protection contre les sur\/sous-tensions, les surintensit\u00e9s, les surcharges, les surcharges, les surchauffes et les courts-circuits.<\/p>\n<p>Le produit peut \u00eatre refroidi par convection de l'air naturel.<\/p>\n<p>Le bruit d\u2019ondulation de sortie du produit est de 100 MV.<\/p>\n<p>R\u00e9glage de la tension du produit\u00a0: \u00b1 10%<\/p>\n<p>Le produit a termin\u00e9 le test de vieillissement \u00e0 pleine charge 100%.<\/p>\n<p>Taille du produit: 215*115*50mm (L * L * H)<\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"vc_row wpb_row vc_row-fluid\"><div class=\"wpb_column vc_column_container vc_col-sm-12\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><div  class=\"vc_do_toggle vc_toggle vc_toggle_default vc_toggle_color_white  vc_toggle_size_md vc_toggle_active\"><div class=\"vc_toggle_title\"><h4><\/h4><i class=\"vc_toggle_icon\"><\/i><\/div><div class=\"vc_toggle_content\"><h2><strong>FAQ<\/strong><\/h2>\n<h3><strong><b>Q1: How do I determine whether a 400W switching power supply is sufficient for my equipment?<\/b><\/strong><\/h3>\n<p>Calculate the maximum power consumption of all connected devices and compare it with the power supply&#8217;s rated capacity. The total continuous load should stay below 400W, while additional headroom should be reserved for startup current, temporary load increases, and high-temperature operation.<\/p>\n<h3><strong><b>Q2: What applications can use the S-400W switching power supply?<\/b><\/strong><\/h3>\n<p>The S-400W series is suitable for industrial automation, machinery, control systems, LED equipment, communication devices, electronic equipment, and other systems that require a stable single DC output.<\/p>\n<h3><strong><b>Q3: How much power headroom should I leave when using a 400W power supply?<\/b><\/strong><\/h3>\n<p>The correct power margin depends on the application, but continuously operating at the absolute maximum rating is generally not recommended. Equipment with motors, relays, capacitive loads, or other high-startup-current components may require more headroom.<\/p>\n<h3><strong><b>Q4: What are the advantages of a 400W switch mode power supply?<\/b><\/strong><\/h3>\n<p>A 400W switching power supply provides good power density, high efficiency, compact size, and lower heat loss compared with many linear power supplies. These characteristics make it practical for industrial equipment and control systems with limited installation space.<\/p>\n<h3><strong><b>Q5: How do I choose the correct output voltage for the S-400W series?<\/b><\/strong><\/h3>\n<p>The output voltage must match the rated DC input voltage of the connected equipment. Before ordering, check the equipment specification, maximum current requirement, wiring distance, and total power demand. Using the wrong voltage can damage the connected load.<\/p>\n<\/div><\/div><\/div><\/div><\/div><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"Specifications&amp;Model Specification S-400-5 S-400-12 S-400-24 S-400-48 DC output voltage,current 5V0\uff5e60A 12V0\uff5e33A 24V 0\uff5e16.5A 48V 0\uff5e8.3A Wave and noise 100mVp-P 150mVp-P 150mVp-P 200mVp-P Inlet wire stability \u00b10.5% \u00b10.5% \u00b10.5% \u00b10.5% Load stability \u00b11% \u00b10.5% \u00b10.5% \u00b10.5% Efficiency 0.73 0.82 0.83 0.85 Adjustable range for DC voltage \u00b110% \u00b110% \u00b110% \u00b110% Input voltage range 90\uff5e132VAC\/180\uff5e264VAC by switch&hellip; <a class=\"more-link\" href=\"https:\/\/www.wehopower.com\/fr\/product\/s-400w-series-normal-single-switching-power-supply\/\">Continuer la lecture <span class=\"screen-reader-text\">Alimentation \u00e0 d\u00e9coupage unique normale s\u00e9rie S-400W<\/span><\/a>","protected":false},"author":1,"featured_media":7291,"comment_status":"open","ping_status":"open","template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"product_category":[36,35],"product_categories_new":[126],"class_list":["post-1117","product","type-product","status-publish","format-standard","has-post-thumbnail","hentry","product_category-s-series-single-output-power-supply","product_category-enclosed-switching-power-supply","product_categories_new-s-series","entry"],"acf":[],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/www.wehopower.com\/fr\/wp-json\/wp\/v2\/product\/1117","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=1117"}],"version-history":[{"count":2,"href":"https:\/\/www.wehopower.com\/fr\/wp-json\/wp\/v2\/product\/1117\/revisions"}],"predecessor-version":[{"id":18347,"href":"https:\/\/www.wehopower.com\/fr\/wp-json\/wp\/v2\/product\/1117\/revisions\/18347"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wehopower.com\/fr\/wp-json\/wp\/v2\/media\/7291"}],"wp:attachment":[{"href":"https:\/\/www.wehopower.com\/fr\/wp-json\/wp\/v2\/media?parent=1117"}],"wp:term":[{"taxonomy":"product_category","embeddable":true,"href":"https:\/\/www.wehopower.com\/fr\/wp-json\/wp\/v2\/product_category?post=1117"},{"taxonomy":"product_categories_new","embeddable":true,"href":"https:\/\/www.wehopower.com\/fr\/wp-json\/wp\/v2\/product_categories_new?post=1117"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}