{"id":27526,"date":"2025-06-21T14:04:54","date_gmt":"2025-06-21T06:04:54","guid":{"rendered":"https:\/\/cnspd.com\/?p=27526"},"modified":"2026-04-11T13:10:24","modified_gmt":"2026-04-11T05:10:24","slug":"what-do-surge-protectors-do","status":"publish","type":"post","link":"https:\/\/www.cnspd.com\/fr\/que-font-les-parasurtenseurs-\uff1f\/","title":{"rendered":"Quel est le r\u00f4le des parasurtenseurs ?"},"content":{"rendered":"<p data-start=\"130\" data-end=\"203\"><strong data-start=\"130\" data-end=\"203\">Analyse technique et guide de s\u00e9lection pour les professionnels du secteur de l'\u00e9nergie<\/strong><\/p>\n<p data-start=\"205\" data-end=\"909\">Les pics de tension inattendus, qu'ils soient caus\u00e9s par la foudre, la commutation de batteries de condensateurs ou le red\u00e9marrage de moteurs, peuvent entra\u00eener des dommages permanents \u00e0 l'infrastructure \u00e9lectrique et \u00e0 l'\u00e9quipement connect\u00e9. Dans les champs solaires, les installations industrielles ou les centres de donn\u00e9es, cela se traduit par des temps d'arr\u00eat, des risques d'incendie et des pertes de capital importantes. La solution est une strat\u00e9gie de protection contre les surtensions. <span style=\"color: #0000ff;\"><strong>LEEYEE, <\/strong><span style=\"color: #000000;\">fabricant certifi\u00e9 dans le domaine de la protection contre les surtensions, fournit <strong>DOCUP de type 1, de type 2 et de type 3<\/strong> des solutions avec<strong> CE, CB, ISO9001 et TUV<\/strong> certifications. Con\u00e7us pour les syst\u00e8mes AC et DC (jusqu'\u00e0 1500VDC), les SPD LEEYEE offrent une capacit\u00e9 de d\u00e9charge allant jusqu'\u00e0 100kA avec des temps de r\u00e9ponse inf\u00e9rieurs \u00e0 25ns - des performances qui les placent dans le peloton de t\u00eate des fournisseurs mondiaux de SPD.<\/span><\/span><\/p>\n<p data-start=\"911\" data-end=\"1074\"><strong data-start=\"911\" data-end=\"1074\">Les parasurtenseurs limitent les surtensions transitoires en d\u00e9tournant l'\u00e9nergie de la surtension vers la terre en quelques nanosecondes, garantissant ainsi la s\u00e9curit\u00e9 et la continuit\u00e9 des syst\u00e8mes d'alimentation critiques.<\/strong><\/p>\n<p data-start=\"1076\" data-end=\"1214\">Une s\u00e9lection et une coordination correctes des SPD sont essentielles pour \u00e9viter les pannes, les d\u00e9clenchements intempestifs ou la non-conformit\u00e9 aux r\u00e9glementations. Voyons cela en d\u00e9tail.<\/p>\n<p data-start=\"1076\" data-end=\"1214\"><a href=\"https:\/\/www.cnspd.com\/fr\/download-category\/all\/\" target=\"_blank\" rel=\"noopener\"><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter wp-image-26994 size-full\" src=\"https:\/\/cnspd.com\/wp-content\/uploads\/2024\/12\/BookCover-3.jpg\" alt=\"Que font les parasurtenseurs ?\" width=\"600\" height=\"408\" srcset=\"https:\/\/www.cnspd.com\/wp-content\/uploads\/2024\/12\/BookCover-3.jpg 600w, https:\/\/www.cnspd.com\/wp-content\/uploads\/2024\/12\/BookCover-3-150x102.jpg 150w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/a><\/p>\n<hr data-start=\"1216\" data-end=\"1219\" \/>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_83 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\">Table des mati\u00e8res<\/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 Table des mati\u00e8res\"><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=\"#\" data-href=\"https:\/\/www.cnspd.com\/fr\/que-font-les-parasurtenseurs-\uff1f\/#surge-protection-basics-%e2%80%93-what-do-surge-protectors-really-do\" >Principes de base de la protection contre les surtensions - Quel est le r\u00f4le r\u00e9el des parasurtenseurs ?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/fr\/que-font-les-parasurtenseurs-\uff1f\/#where-surge-protection-is-mandatory\" >Lorsque la protection contre les surtensions est obligatoire<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/fr\/que-font-les-parasurtenseurs-\uff1f\/#leeyee-spd-technical-parameters\" >LEEYEE SPD Param\u00e8tres techniques<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/fr\/que-font-les-parasurtenseurs-\uff1f\/#application-engineering-how-to-configure-spds\" >Ing\u00e9nierie d'application : Comment configurer les DOCUP<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/fr\/que-font-les-parasurtenseurs-\uff1f\/#for-ac-power-distribution-systems\" >Pour les syst\u00e8mes de distribution de courant alternatif :<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/fr\/que-font-les-parasurtenseurs-\uff1f\/#for-pv-systems\" >Pour les syst\u00e8mes PV :<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/fr\/que-font-les-parasurtenseurs-\uff1f\/#field-integration-how-leeyee-adds-value\" >Int\u00e9gration sur le terrain : Comment LEEYEE ajoute de la valeur<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/fr\/que-font-les-parasurtenseurs-\uff1f\/#faqs-%e2%80%93-what-do-surge-protectors-do\" >FAQ - Que font les parasurtenseurs ?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/fr\/que-font-les-parasurtenseurs-\uff1f\/#%e2%9a%a0%ef%b8%8f-disclaimer\" >\u26a0\ufe0f Avis de non-responsabilit\u00e9<\/a><\/li><\/ul><\/nav><\/div>\n<h2 data-start=\"1221\" data-end=\"1285\"><span class=\"ez-toc-section\" id=\"surge-protection-basics-%e2%80%93-what-do-surge-protectors-really-do\"><\/span>Principes de base de la protection contre les surtensions - Quel est le r\u00f4le r\u00e9el des parasurtenseurs ?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"1287\" data-end=\"1586\">A <strong data-start=\"1289\" data-end=\"1322\">dispositif de protection contre les surtensions (SPD)<\/strong> fonctionne en bloquant et en redirigeant les surtensions transitoires, souvent sous la forme de milliers de volts en quelques microsecondes. D'apr\u00e8s le <strong data-start=\"1455\" data-end=\"1471\">IEC 61643-11<\/strong>Un SPD doit r\u00e9pondre rapidement (typiquement &lt;25ns) et g\u00e9rer l&#039;\u00e9nergie de surtension sp\u00e9cifi\u00e9e (mesur\u00e9e en kA) sans d\u00e9faillance.<\/p>\n<p data-start=\"1588\" data-end=\"1660\">Dans les syst\u00e8mes d'alimentation \u00e9lectrique, les types suivants sont g\u00e9n\u00e9ralement d\u00e9ploy\u00e9s :<\/p>\n<ul data-start=\"1662\" data-end=\"1998\">\n<li data-start=\"1662\" data-end=\"1785\">\n<p data-start=\"1664\" data-end=\"1785\"><strong data-start=\"1664\" data-end=\"1678\">DOCUP de type 1<\/strong>: Pour les coups de foudre directs (classe I), souvent install\u00e9s \u00e0 l'entr\u00e9e des services ou dans des zones expos\u00e9es \u00e0 la foudre.<\/p>\n<\/li>\n<li data-start=\"1786\" data-end=\"1903\">\n<p data-start=\"1788\" data-end=\"1903\"><strong data-start=\"1788\" data-end=\"1802\">DOCUP de type 2<\/strong>: Pour les surtensions de commutation et la foudre indirecte (classe II), utilis\u00e9 dans les panneaux de distribution et les syst\u00e8mes photovolta\u00efques.<\/p>\n<\/li>\n<li data-start=\"1904\" data-end=\"1998\">\n<p data-start=\"1906\" data-end=\"1998\"><strong data-start=\"1906\" data-end=\"1920\">DOCUP de type 3<\/strong>: Pour la protection au point d'utilisation (classe III), appliqu\u00e9e \u00e0 proximit\u00e9 d'appareils \u00e9lectroniques sensibles.<\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"2000\" data-end=\"2003\" \/>\n<h2 data-start=\"2005\" data-end=\"2043\"><span class=\"ez-toc-section\" id=\"where-surge-protection-is-mandatory\"><\/span>Lorsque la protection contre les surtensions est obligatoire<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"2045\" data-end=\"2125\">Les parasurtenseurs sont <strong data-start=\"2066\" data-end=\"2106\">requis par des codes tels que IEC60364-4-44<\/strong>, en particulier dans les cas o\u00f9 :<\/p>\n<ul data-start=\"2127\" data-end=\"2386\">\n<li data-start=\"2127\" data-end=\"2173\">\n<p data-start=\"2129\" data-end=\"2173\">Le risque de foudre est \u00e9lev\u00e9 (niveau LPL I-II)<\/p>\n<\/li>\n<li data-start=\"2174\" data-end=\"2246\">\n<p data-start=\"2176\" data-end=\"2246\">La perte de vies humaines, de services essentiels ou de donn\u00e9es \u00e9conomiques est possible.<\/p>\n<\/li>\n<li data-start=\"2247\" data-end=\"2316\">\n<p data-start=\"2249\" data-end=\"2316\">Les syst\u00e8mes photovolta\u00efques d\u00e9passent 600VDC (n\u00e9cessitent g\u00e9n\u00e9ralement un SPD de type 2 ou hybride).<\/p>\n<\/li>\n<li data-start=\"2317\" data-end=\"2386\">\n<p data-start=\"2319\" data-end=\"2386\">Les charges \u00e9lectriques impliquent des variateurs de fr\u00e9quence, des ascenseurs ou des syst\u00e8mes \u00e0 moteur.<\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"2388\" data-end=\"2391\" \/>\n<h2 data-start=\"2393\" data-end=\"2427\"><span class=\"ez-toc-section\" id=\"leeyee-spd-technical-parameters\"><\/span>LEEYEE SPD Param\u00e8tres techniques<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div class=\"_tableContainer_16hzy_1\">\n<div class=\"_tableWrapper_16hzy_14 group flex w-fit flex-col-reverse\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"2429\" data-end=\"3210\">\n<thead data-start=\"2429\" data-end=\"2501\">\n<tr data-start=\"2429\" data-end=\"2501\">\n<th data-start=\"2429\" data-end=\"2456\" data-col-size=\"sm\">Param\u00e8tres<\/th>\n<th data-start=\"2456\" data-end=\"2501\" data-col-size=\"sm\">Plage de valeurs<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"2575\" data-end=\"3210\">\n<tr data-start=\"2575\" data-end=\"2653\">\n<td data-start=\"2575\" data-end=\"2615\" data-col-size=\"sm\">Tension de fonctionnement continue maximale (Uc)<\/td>\n<td data-col-size=\"sm\" data-start=\"2615\" data-end=\"2653\">275V-1500V AC\/DC<\/td>\n<\/tr>\n<tr data-start=\"2654\" data-end=\"2732\">\n<td data-start=\"2654\" data-end=\"2694\" data-col-size=\"sm\">Courant de d\u00e9charge nominal (In)<\/td>\n<td data-col-size=\"sm\" data-start=\"2694\" data-end=\"2732\">20kA-40kA<\/td>\n<\/tr>\n<tr data-start=\"2733\" data-end=\"2811\">\n<td data-start=\"2733\" data-end=\"2773\" data-col-size=\"sm\">Courant de d\u00e9charge maximal (Imax)<\/td>\n<td data-col-size=\"sm\" data-start=\"2773\" data-end=\"2811\">Jusqu'\u00e0 100 kA<\/td>\n<\/tr>\n<tr data-start=\"2812\" data-end=\"2891\">\n<td data-start=\"2812\" data-end=\"2852\" data-col-size=\"sm\">Niveau de protection de la tension (vers le haut)<\/td>\n<td data-col-size=\"sm\" data-start=\"2852\" data-end=\"2891\">&lt;1,8kV (classe II), &lt;2,5kV (classe I)<\/td>\n<\/tr>\n<tr data-start=\"2892\" data-end=\"2969\">\n<td data-start=\"2892\" data-end=\"2931\" data-col-size=\"sm\">Temps de r\u00e9ponse<\/td>\n<td data-col-size=\"sm\" data-start=\"2931\" data-end=\"2969\">&lt;25ns<\/td>\n<\/tr>\n<tr data-start=\"2970\" data-end=\"3049\">\n<td data-start=\"2970\" data-end=\"3010\" data-col-size=\"sm\">Normes<\/td>\n<td data-col-size=\"sm\" data-start=\"3010\" data-end=\"3049\">IEC61643-11, EN50539, GB18802<\/td>\n<\/tr>\n<tr data-start=\"3050\" data-end=\"3128\">\n<td data-start=\"3050\" data-end=\"3090\" data-col-size=\"sm\">Certifications<\/td>\n<td data-col-size=\"sm\" data-start=\"3090\" data-end=\"3128\">CE, CB, ISO9001, TUV<\/td>\n<\/tr>\n<tr data-start=\"3129\" data-end=\"3210\">\n<td data-start=\"3129\" data-end=\"3169\" data-col-size=\"sm\">Caract\u00e9ristiques de s\u00e9curit\u00e9<\/td>\n<td data-col-size=\"sm\" data-start=\"3169\" data-end=\"3210\">Disjoncteur thermique, indicateur de d\u00e9faut<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div class=\"sticky end-(--thread-content-margin) h-0 self-end select-none\">\n<div class=\"absolute end-0 flex items-end\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<p data-start=\"3212\" data-end=\"3334\">Les SPD LEEYEE sont modulaires, montables sur rail DIN et disponibles en configurations monophas\u00e9es, triphas\u00e9es ou multi-MPP (PV).<\/p>\n<hr data-start=\"3336\" data-end=\"3339\" \/>\n<h2 data-start=\"3341\" data-end=\"3390\"><span class=\"ez-toc-section\" id=\"application-engineering-how-to-configure-spds\"><\/span>Ing\u00e9nierie d'application : Comment configurer les DOCUP<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3 data-start=\"3392\" data-end=\"3430\"><span class=\"ez-toc-section\" id=\"for-ac-power-distribution-systems\"><\/span><a href=\"https:\/\/www.cnspd.com\/fr\/shop\/ac-surge-protective-device\/\">Pour les syst\u00e8mes de distribution de courant alternatif<\/a>:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul data-start=\"3432\" data-end=\"3706\">\n<li data-start=\"3432\" data-end=\"3509\">\n<p data-start=\"3434\" data-end=\"3509\"><strong data-start=\"3434\" data-end=\"3456\">Syst\u00e8me TN-S\/TN-C-S<\/strong>: Utiliser un disjoncteur 4P de type 2 (par exemple, mod\u00e8le LEEYEE 40kA@275V AC).<\/p>\n<\/li>\n<li data-start=\"3510\" data-end=\"3569\">\n<p data-start=\"3512\" data-end=\"3569\"><strong data-start=\"3512\" data-end=\"3526\">Syst\u00e8mes TT<\/strong>: N\u00e9cessite un module de protection N-PE suppl\u00e9mentaire<\/p>\n<\/li>\n<li data-start=\"3570\" data-end=\"3706\">\n<p data-start=\"3572\" data-end=\"3706\"><strong data-start=\"3572\" data-end=\"3609\">Coordination avec le MCB\/fusible de secours<\/strong>: Le SPD doit \u00eatre coordonn\u00e9 avec la protection contre les courts-circuits en amont, conform\u00e9ment \u00e0 l'indice Icc du fabricant.<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"3708\" data-end=\"3727\"><span class=\"ez-toc-section\" id=\"for-pv-systems\"><\/span><a href=\"https:\/\/www.cnspd.com\/fr\/shop\/dc-surge-protective-device\/\">Pour les syst\u00e8mes PV :<\/a><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul data-start=\"3729\" data-end=\"3996\">\n<li data-start=\"3729\" data-end=\"3791\">\n<p data-start=\"3731\" data-end=\"3791\"><strong data-start=\"3731\" data-end=\"3752\">1000VDC &amp; 1500VDC<\/strong>: Utiliser le PV SPD avec VPR &lt;3kV, In \u2265 20kA<\/p>\n<\/li>\n<li data-start=\"3792\" data-end=\"3882\">\n<p data-start=\"3794\" data-end=\"3882\"><strong data-start=\"3794\" data-end=\"3815\">Protection des cordes<\/strong>: Installer un SPD \u00e0 l'entr\u00e9e CC de l'onduleur, au niveau de la bo\u00eete de couplage et au niveau du r\u00e9seau.<\/p>\n<\/li>\n<li data-start=\"3883\" data-end=\"3996\">\n<p data-start=\"3885\" data-end=\"3996\"><strong data-start=\"3885\" data-end=\"3916\">Protection contre l'inversion de polarit\u00e9<\/strong>: Les modules PV SPD de LEEYEE comprennent des modules hybrides varistance + GDT avec une conception non polaris\u00e9e.<\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"3998\" data-end=\"4001\" \/>\n<h2 data-start=\"4003\" data-end=\"4046\"><span class=\"ez-toc-section\" id=\"field-integration-how-leeyee-adds-value\"><\/span>Int\u00e9gration sur le terrain : Comment LEEYEE ajoute de la valeur<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"4048\" data-end=\"4120\">LEEYEE ne se contente pas de fournir des SPD, mais offre \u00e9galement une assistance compl\u00e8te en mati\u00e8re d'int\u00e9gration :<\/p>\n<ul data-start=\"4122\" data-end=\"4411\">\n<li data-start=\"4122\" data-end=\"4172\">\n<p data-start=\"4124\" data-end=\"4172\">OEM\/ODM Marquage avec logo laser ou s\u00e9rigraphi\u00e9<\/p>\n<\/li>\n<li data-start=\"4173\" data-end=\"4230\">\n<p data-start=\"4175\" data-end=\"4230\">Couleur du bo\u00eetier ou indice de protection IP personnalis\u00e9 (IP20-IP65)<\/p>\n<\/li>\n<li data-start=\"4231\" data-end=\"4316\">\n<p data-start=\"4233\" data-end=\"4316\">Rapports d'inspection d'usine, scans de certificats de tierce partie et garantie de qualit\u00e9 PICC<\/p>\n<\/li>\n<li data-start=\"4317\" data-end=\"4411\">\n<p data-start=\"4319\" data-end=\"4411\">Sur demande : Test de la courbe I-V, conformit\u00e9 \u00e0 la norme UL94-V0 relative aux retardateurs de flamme, sortie d'alarme \u00e0 distance en cas de d\u00e9faillance<\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"4413\" data-end=\"4416\" \/>\n<h2 data-start=\"4418\" data-end=\"4456\"><span class=\"ez-toc-section\" id=\"faqs-%e2%80%93-what-do-surge-protectors-do\"><\/span>FAQ - Que font les parasurtenseurs ?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"4458\" data-end=\"4656\"><strong data-start=\"4458\" data-end=\"4517\">1. <a href=\"https:\/\/www.cnspd.com\/fr\/spd-type-1-vs-type-2-vs-type-3\/\">Quelle est la diff\u00e9rence entre le SPD de type 1 et le SPD de type 2 ?<\/a><\/strong><br data-start=\"4517\" data-end=\"4520\" \/>Le type 1 traite le courant de foudre direct (forme d'onde de 10\/350\u00b5s), le type 2 est destin\u00e9 aux surtensions dues \u00e0 la commutation ou \u00e0 la foudre indirecte (8\/20\u00b5s).<\/p>\n<p data-start=\"4658\" data-end=\"4802\"><strong data-start=\"4658\" data-end=\"4710\">2. Comment s\u00e9lectionner le courant nominal du SPD (In\/Imax) ?<\/strong><br data-start=\"4710\" data-end=\"4713\" \/>Il faut se baser sur l'\u00e9valuation des risques, la densit\u00e9 de foudre (Ng), la hauteur du b\u00e2timent et l'exposition du syst\u00e8me.<\/p>\n<p data-start=\"4804\" data-end=\"4943\"><strong data-start=\"4804\" data-end=\"4848\">3. Puis-je utiliser un seul DOCUP pour le courant alternatif et le courant continu ?<\/strong><br data-start=\"4848\" data-end=\"4851\" \/>Non. Utilisez s\u00e9par\u00e9ment les SPD sp\u00e9cifiques au courant alternatif et les SPD adapt\u00e9s au courant continu. LEEYEE fournit des mod\u00e8les d\u00e9di\u00e9s pour les deux.<\/p>\n<p data-start=\"4945\" data-end=\"5130\"><strong data-start=\"4945\" data-end=\"4990\">4. Un DOCUP doit-il \u00eatre remplac\u00e9 p\u00e9riodiquement ?<\/strong><br data-start=\"4990\" data-end=\"4993\" \/>Oui. Si le MOV est d\u00e9connect\u00e9 thermiquement ou si l'indicateur est rouge, remplacez-le. Tenir compte \u00e9galement du cycle de fin de vie de ~5 ans dans les zones sujettes aux surtensions.<\/p>\n<p data-start=\"5132\" data-end=\"5281\"><strong data-start=\"5132\" data-end=\"5165\">5.<a href=\"https:\/\/www.cnspd.com\/fr\/how-to-choose-fuses-or-miniature-circuit-breakers-mcb-for-surge-protective-devices-spd\/\"> Puis-je utiliser le SPD sans MCB ?<\/a><\/strong><br data-start=\"5165\" data-end=\"5168\" \/>Uniquement si une protection int\u00e9gr\u00e9e est pr\u00e9vue. LEEYEE recommande une coordination avec des MCB certifi\u00e9s ou des fusibles de secours gG.<\/p>\n<p data-start=\"5283\" data-end=\"5435\"><strong data-start=\"5283\" data-end=\"5336\">6. Les SPD LEEYEE sont-ils conformes aux codes solaires de l'UE ?<\/strong><br data-start=\"5336\" data-end=\"5339\" \/>Oui. Nos SPD PV sont conformes aux normes EN50539-11 et IEC 61643-31, et conviennent aux projets des services publics europ\u00e9ens.<\/p>\n<p data-start=\"5437\" data-end=\"5612\"><strong data-start=\"5437\" data-end=\"5488\">7. Comment le DOCUP affecte-t-il la coordination de l'isolation ?<\/strong><br data-start=\"5488\" data-end=\"5491\" \/>Il abaisse les tensions transitoires en dessous du niveau d'isolation de base (BIL), assurant ainsi la protection di\u00e9lectrique des composants du syst\u00e8me.<\/p>\n<hr data-start=\"5614\" data-end=\"5617\" \/>\n<h2 data-start=\"5619\" data-end=\"5635\"><span class=\"ez-toc-section\" id=\"%e2%9a%a0%ef%b8%8f-disclaimer\"><\/span>\u26a0\ufe0f Avis de non-responsabilit\u00e9<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"5637\" data-end=\"5844\">Cet article s'adresse aux professionnels qualifi\u00e9s de l'industrie et aux concepteurs de syst\u00e8mes. Il convient de toujours se r\u00e9f\u00e9rer aux codes \u00e9lectriques locaux et de consulter un ing\u00e9nieur certifi\u00e9 pour l'installation, l'analyse des risques de surtension et la coordination des dispositifs de protection contre les surtensions.<\/p>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>Analyse technique et guide de s\u00e9lection pour les professionnels de l'industrie \u00e9lectrique Les pics de tension inattendus, qu'ils soient caus\u00e9s par la foudre, la commutation de batteries de condensateurs ou le red\u00e9marrage de moteurs, peuvent entra\u00eener des dommages permanents \u00e0 l'infrastructure \u00e9lectrique et \u00e0 l'\u00e9quipement connect\u00e9. Dans les champs solaires, les installations industrielles ou les centres de donn\u00e9es, cela se traduit par des temps d'arr\u00eat, des risques d'incendie et des pertes de capital importantes. La solution est une protection contre les surtensions...<\/p>","protected":false},"author":18,"featured_media":27532,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1,488,422],"tags":[],"class_list":["post-27526","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","category-surge-protection","category-industry-news"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>What Do Surge Protectors Do? | LEEYEE Electrics<\/title>\n<meta name=\"description\" content=\"What do surge protectors do? 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