{"id":10727,"date":"2026-03-19T09:30:00","date_gmt":"2026-03-19T08:30:00","guid":{"rendered":"https:\/\/tps-elektronik.com\/?p=10727"},"modified":"2026-04-09T11:10:01","modified_gmt":"2026-04-09T09:10:01","slug":"limiteur-courant-appel-rail-din","status":"publish","type":"post","link":"https:\/\/tps-elektronik.com\/fr\/limiteur-courant-appel-rail-din\/","title":{"rendered":"Guide complet des limiteurs de courant d\u2019appel : technologies, s\u00e9lection et solutions sur rail DIN"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Points cl\u00e9s<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Le courant d\u2019appel, \u00e9galement appel\u00e9 courant de d\u00e9marrage, peut d\u00e9passer nettement le courant en r\u00e9gime \u00e9tabli et solliciter les dispositifs de protection ainsi que certains composants.<\/li>\n\n\n\n<li>Les limiteurs \u00e0 thermistance NTC sont simples \u00e0 mettre en \u0153uvre, mais peuvent entra\u00eener un temps de refroidissement entre deux mises sous tension et une dissipation continue en fonctionnement.<\/li>\n\n\n\n<li>Les conceptions avec relais de d\u00e9rivation int\u00e9gr\u00e9 permettent de r\u00e9duire les pertes en r\u00e9gime \u00e9tabli et d\u2019am\u00e9liorer le comportement lors d\u2019un red\u00e9marrage.<\/li>\n\n\n\n<li>Les modules sur rail DIN (TS35) offrent une approche structur\u00e9e pour l\u2019int\u00e9gration dans les armoires \u00e9lectriques et les syst\u00e8mes de distribution.<\/li>\n\n\n\n<li>Le choix d\u2019un limiteur d\u00e9pend notamment du type de charge, du courant nominal, du mode de commutation et des conditions d\u2019environnement.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">1. Comprendre le courant d\u2019appel<\/h2>\n\n\n\n<section id=\"tps-din-rail-carousel\" class=\"tps-carousel-section\">\n\n  <p class=\"tps-carousel-intro\">\n    D\u00e9couvrez la s\u00e9rie TPS-ICL-3P de limiteurs de courant d\u2019appel pour entr\u00e9es triphas\u00e9es 400&nbsp;V AC, disponibles en 12&nbsp;A, 16&nbsp;A et 25&nbsp;A, adapt\u00e9s aux onduleurs photovolta\u00efques et aux armoires de commande industrielles.\n  <\/p>\n\n  <div class=\"tps-carousel-wrapper\">\n    <button class=\"tps-carousel-nav tps-carousel-nav--prev\" type=\"button\" aria-label=\"Produits pr\u00e9c\u00e9dents\">\n      &#10094;\n    <\/button>\n\n    <div class=\"tps-carousel-track\" id=\"tpsCarouselTrack\">\n      <!-- Product 1: TPS-ICL-3P-12A -->\n      <article class=\"tps-carousel-item\">\n        <a href=\"https:\/\/www.shop-tps.com\/de\/shop\/tps-icl-3p-12a-20498#attr=\" class=\"tps-carousel-link\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">\n          <img decoding=\"async\"\n            src=\"https:\/\/www.shop-tps.com\/web\/image\/product.product\/20389\/image_1024\/%5BIL1004%5D%20TPS-ICL-3P-12A?unique=f7d4b3e\"\n            alt=\"TPS-ICL-3P-12A limiteur de courant d\u2019appel triphas\u00e9\"\n            class=\"tps-carousel-image\"\n          \/>\n\n          <h3 class=\"tps-carousel-product-name\">TPS-ICL-3P-12A<\/h3>\n          <p class=\"tps-carousel-product-spec\">\n            Limiteur de courant d\u2019appel triphas\u00e9, 12&nbsp;A. Adapt\u00e9 aux onduleurs photovolta\u00efques triphas\u00e9s de petite puissance et aux armoires de commande industrielles compactes.\n          <\/p>\n          <span class=\"tps-carousel-cta\">Voir le produit<\/span>\n        <\/a>\n      <\/article>\n\n      <!-- Product 2: TPS-ICL-3P-16A -->\n      <article class=\"tps-carousel-item\">\n        <a href=\"https:\/\/www.shop-tps.com\/de\/shop\/tps-icl-3p-16a-20499#attr=\" class=\"tps-carousel-link\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">\n          <img decoding=\"async\"\n            src=\"https:\/\/www.shop-tps.com\/web\/image\/product.product\/20390\/image_1024\/%5BIL1005%5D%20TPS-ICL-3P-16A?unique=d3583ef\"\n            alt=\"TPS-ICL-3P-16A limiteur de courant d\u2019appel triphas\u00e9\"\n            class=\"tps-carousel-image\"\n          \/>\n\n          <h3 class=\"tps-carousel-product-name\">TPS-ICL-3P-16A<\/h3>\n          <p class=\"tps-carousel-product-spec\">\n            Limiteur de courant d\u2019appel triphas\u00e9, 16&nbsp;A. Adapt\u00e9 \u00e0 la protection des moteurs, transformateurs et autres charges inductives ou capacitives triphas\u00e9es lors de la mise sous tension.\n          <\/p>\n          <span class=\"tps-carousel-cta\">Voir le produit<\/span>\n        <\/a>\n      <\/article>\n\n      <!-- Product 3: TPS-ICL-3P-25A -->\n      <article class=\"tps-carousel-item\">\n        <a href=\"https:\/\/www.shop-tps.com\/de\/shop\/tps-icl-3p-25a-20500#attr=\" class=\"tps-carousel-link\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">\n          <img decoding=\"async\"\n            src=\"https:\/\/www.shop-tps.com\/web\/image\/product.product\/20391\/image_1024\/%5BIL1006%5D%20TPS-ICL-3P-25A?unique=b33bc9c\"\n            alt=\"TPS-ICL-3P-25A limiteur de courant d\u2019appel triphas\u00e9\"\n            class=\"tps-carousel-image\"\n          \/>\n\n          <h3 class=\"tps-carousel-product-name\">TPS-ICL-3P-25A<\/h3>\n          <p class=\"tps-carousel-product-spec\">\n            Limiteur de courant d\u2019appel triphas\u00e9, 25&nbsp;A. Con\u00e7u pour des onduleurs photovolta\u00efques d\u2019environ 10 \u00e0 30&nbsp;kW et des applications industrielles n\u00e9cessitant des courants plus \u00e9lev\u00e9s.\n          <\/p>\n          <span class=\"tps-carousel-cta\">Voir le produit<\/span>\n        <\/a>\n      <\/article>\n    <\/div>\n\n    <button class=\"tps-carousel-nav tps-carousel-nav--next\" type=\"button\" aria-label=\"Produits suivants\">\n      &#10095;\n    <\/button>\n  <\/div>\n<\/section>\n\n<style>\n  .tps-carousel-section {\n    margin: 3rem 0;\n    font-family: inherit;\n  }\n\n  .tps-carousel-title {\n    font-size: 1.6rem;\n    margin-bottom: 0.5rem;\n  }\n\n  .tps-carousel-intro {\n    max-width: 720px;\n    margin-bottom: 1.5rem;\n    line-height: 1.5;\n  }\n\n  .tps-carousel-wrapper {\n    position: relative;\n    display: flex;\n    align-items: center;\n  }\n\n  .tps-carousel-track {\n    display: flex;\n    gap: 1rem;\n    overflow-x: auto;\n    scroll-behavior: smooth;\n    padding: 0.5rem 0;\n  }\n\n  .tps-carousel-track::-webkit-scrollbar {\n    height: 6px;\n  }\n\n  .tps-carousel-track::-webkit-scrollbar-thumb {\n    background: #ccc;\n    border-radius: 3px;\n  }\n\n  .tps-carousel-item {\n    min-width: 230px;\n    max-width: 260px;\n    flex: 0 0 auto;\n    border: 1px solid #e1e1e1;\n    border-radius: 8px;\n    padding: 1rem;\n    background: #fff;\n    box-shadow: 0 2px 6px rgba(0,0,0,0.04);\n  }\n\n  .tps-carousel-link {\n    text-decoration: none;\n    color: inherit;\n    display: block;\n    height: 100%;\n  }\n\n  .tps-carousel-image {\n    width: 100%;\n    border-radius: 6px;\n    margin-bottom: 0.75rem;\n  }\n\n  .tps-carousel-product-name {\n    font-size: 1rem;\n    margin: 0 0 0.4rem;\n  }\n\n  .tps-carousel-product-spec {\n    font-size: 0.9rem;\n    line-height: 1.4;\n    margin-bottom: 0.8rem;\n  }\n\n  .tps-carousel-cta {\n    display: inline-block;\n    font-size: 0.9rem;\n    font-weight: 600;\n    border-radius: 999px;\n    padding: 0.35rem 0.9rem;\n    border: 1px solid #0072b8;\n    color: #0072b8;\n  }\n\n  .tps-carousel-cta:hover {\n    background: #0072b8;\n    color: #fff;\n  }\n\n  .tps-carousel-nav {\n    border: none;\n    background: #ffffff;\n    border-radius: 50%;\n    width: 32px;\n    height: 32px;\n    box-shadow: 0 2px 6px rgba(0,0,0,0.15);\n    display: flex;\n    align-items: center;\n    justify-content: center;\n    cursor: pointer;\n    margin: 0 0.25rem;\n    flex-shrink: 0;\n  }\n\n  .tps-carousel-nav--prev {\n    margin-right: 0.5rem;\n  }\n\n  .tps-carousel-nav--next {\n    margin-left: 0.5rem;\n  }\n\n  @media (max-width: 768px) {\n    .tps-carousel-wrapper {\n      align-items: stretch;\n    }\n\n    .tps-carousel-item {\n      min-width: 75%;\n    }\n\n    .tps-carousel-nav {\n      display: none;\n    }\n  }\n<\/style>\n\n<script>\n  (function() {\n    const track = document.getElementById('tpsCarouselTrack');\n    if (!track) return;\n\n    const prevBtn = document.querySelector('.tps-carousel-nav--prev');\n    const nextBtn = document.querySelector('.tps-carousel-nav--next');\n\n    function scrollByCard(direction) {\n      const firstItem = track.querySelector('.tps-carousel-item');\n      if (!firstItem) return;\n      const cardWidth = firstItem.getBoundingClientRect().width + 16;\n      track.scrollBy({\n        left: direction * cardWidth,\n        behavior: 'smooth'\n      });\n    }\n\n    if (prevBtn) {\n      prevBtn.addEventListener('click', function() {\n        scrollByCard(-1);\n      });\n    }\n\n    if (nextBtn) {\n      nextBtn.addEventListener('click', function() {\n        scrollByCard(1);\n      });\n    }\n  })();\n<\/script>\n\n\n\n<p>Le courant d\u2019appel correspond au courant initial \u00e9lev\u00e9 absorb\u00e9 lors de la mise sous tension d\u2019un \u00e9quipement \u00e9lectrique. Ce ph\u00e9nom\u00e8ne appara\u00eet g\u00e9n\u00e9ralement parce que la charge pr\u00e9sente une faible imp\u00e9dance au d\u00e9marrage.<\/p>\n\n\n\n<p>Exemples courants :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>les condensateurs se comportent initialement comme des quasi-courts-circuits ;<\/li>\n\n\n\n<li>les transformateurs peuvent conna\u00eetre une saturation du noyau ;<\/li>\n\n\n\n<li>les moteurs ne disposent pas encore de force contre-\u00e9lectromotrice (back EMF) \u00e0 l\u2019arr\u00eat.<\/li>\n<\/ul>\n\n\n\n<p>Il en r\u00e9sulte des pointes de courant qui peuvent durer de quelques microsecondes \u00e0 plusieurs centaines de millisecondes.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1.1 Contexte physique<\/h3>\n\n\n\n<p>L\u2019amplitude du courant d\u2019appel d\u00e9pend notamment de :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>l\u2019instant de commutation sur la forme d\u2019onde AC ;<\/li>\n\n\n\n<li>le magn\u00e9tisme r\u00e9siduel dans les composants inductifs ;<\/li>\n\n\n\n<li>l\u2019imp\u00e9dance totale du circuit.<\/li>\n<\/ul>\n\n\n\n<p>Pour les charges capacitives, la relation peut \u00eatre approch\u00e9e par :<\/p>\n\n\n\n<p><strong>I = C \u00b7 dV\/dt<\/strong><\/p>\n\n\n\n<p>Cela explique pourquoi des variations rapides de tension peuvent g\u00e9n\u00e9rer des pics de courant \u00e9lev\u00e9s.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2. Effets d\u2019un courant d\u2019appel non ma\u00eetris\u00e9<\/h2>\n\n\n\n<p>Un courant d\u2019appel non limit\u00e9 peut entra\u00eener :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>des d\u00e9clenchements intempestifs de disjoncteurs ;<\/li>\n\n\n\n<li>l\u2019ouverture de fusibles au d\u00e9marrage ;<\/li>\n\n\n\n<li>une sollicitation accrue des redresseurs et des condensateurs ;<\/li>\n\n\n\n<li>une usure des contacts dans les relais et les contacteurs.<\/li>\n<\/ul>\n\n\n\n<p>Des creux de tension peuvent \u00e9galement perturber d\u2019autres \u00e9quipements connect\u00e9s.<\/p>\n\n\n\n<p>Pour ces raisons, la limitation du courant d\u2019appel est souvent prise en compte d\u00e8s la conception, en particulier dans les environnements industriels.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">3. Technologies de limitation du courant d\u2019appel<\/h2>\n\n\n\n<p>Diff\u00e9rentes technologies existent selon les exigences de l\u2019application.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3.1 Thermistances NTC<\/h3>\n\n\n\n<p>Les thermistances NTC (Negative Temperature Coefficient) sont largement utilis\u00e9es.<\/p>\n\n\n\n<p><strong>Principe de fonctionnement :<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>r\u00e9sistance \u00e9lev\u00e9e \u00e0 froid, ce qui limite le courant initial ;<\/li>\n\n\n\n<li>diminution de la r\u00e9sistance lorsque la temp\u00e9rature augmente, ce qui permet le fonctionnement normal.<\/li>\n<\/ul>\n\n\n\n<p><strong>Avantages :<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>mise en \u0153uvre simple ;<\/li>\n\n\n\n<li>composant passif ;<\/li>\n\n\n\n<li>solution \u00e9conomiquement accessible.<\/li>\n<\/ul>\n\n\n\n<p><strong>Limites :<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>n\u00e9cessit\u00e9 d\u2019un temps de refroidissement avant une nouvelle mise sous tension ;<\/li>\n\n\n\n<li>dissipation continue en fonctionnement.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">3.2 Limiteurs avec relais de d\u00e9rivation<\/h3>\n\n\n\n<p>Pour r\u00e9duire ces limites, certaines conceptions int\u00e8grent un relais de d\u00e9rivation.<\/p>\n\n\n\n<p><strong>Fonctionnement type :<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>au d\u00e9marrage, le courant traverse un \u00e9l\u00e9ment de limitation ;<\/li>\n\n\n\n<li>apr\u00e8s un court d\u00e9lai, un relais shunte cet \u00e9l\u00e9ment ;<\/li>\n\n\n\n<li>en r\u00e9gime \u00e9tabli, le courant circule dans un chemin \u00e0 faible r\u00e9sistance.<\/li>\n<\/ul>\n\n\n\n<p><strong>Int\u00e9r\u00eats :<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>r\u00e9duction des pertes en r\u00e9gime \u00e9tabli ;<\/li>\n\n\n\n<li>meilleure aptitude aux red\u00e9marrages.<\/li>\n<\/ul>\n\n\n\n<p>Cette approche est souvent retenue lorsque la fr\u00e9quence de commutation est \u00e9lev\u00e9e ou lorsque l\u2019optimisation \u00e9nerg\u00e9tique fait partie des crit\u00e8res du projet.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3.3 Limitation du courant de d\u00e9faut<\/h3>\n\n\n\n<p>Les limiteurs de courant de d\u00e9faut sont con\u00e7us pour r\u00e9agir \u00e0 des conditions anormales telles que les courts-circuits.<\/p>\n\n\n\n<p>Exemples :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>limiteurs \u00e0 semi-conducteurs dans des syst\u00e8mes d\u2019\u00e9lectronique de puissance ;<\/li>\n\n\n\n<li>solutions sp\u00e9cialis\u00e9es dans les r\u00e9seaux de distribution.<\/li>\n<\/ul>\n\n\n\n<p>Dans de nombreuses applications industrielles, un limiteur d\u00e9di\u00e9 au courant d\u2019appel reste toutefois suffisant.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3.4 Symboles et sch\u00e9mas<\/h3>\n\n\n\n<p>Les repr\u00e9sentations sch\u00e9matiques usuelles incluent :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>une thermistance NTC repr\u00e9sent\u00e9e par une r\u00e9sistance avec marquage li\u00e9 \u00e0 la temp\u00e9rature ;<\/li>\n\n\n\n<li>un limiteur actif repr\u00e9sent\u00e9 par un bloc fonctionnel ou un symbole de commande de courant ;<\/li>\n\n\n\n<li>une conception avec relais de d\u00e9rivation repr\u00e9sent\u00e9e par une thermistance avec contact en parall\u00e8le.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1920\" height=\"791\" src=\"https:\/\/tps-elektronik.com\/wp-content\/uploads\/2026\/03\/1773040182844.jpeg\" alt=\"Vergleich der Schaltsymbole f\u00fcr einen NTC-Thermistor, eine Stromregeldiode und einen aktiven Einschaltstrombegrenzer-Schaltungsblock. Jedes Symbol ist klar beschriftet.\" class=\"wp-image-9054\"\/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">4. Limiteurs de courant d\u2019appel mont\u00e9s sur rail DIN<\/h2>\n\n\n\n<p>Les modules sur rail DIN (TS35) apportent une approche modulaire pour l\u2019installation dans les armoires de commande et les syst\u00e8mes de distribution.<\/p>\n\n\n\n<p><strong>Caract\u00e9ristiques typiques :<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>montage sur rail DIN standard de 35 mm ;<\/li>\n\n\n\n<li>bo\u00eetier compact ;<\/li>\n\n\n\n<li>raccordement par bornes \u00e0 vis ;<\/li>\n\n\n\n<li>int\u00e9gration dans des architectures d\u2019armoire existantes.<\/li>\n<\/ul>\n\n\n\n<p><strong>Avantages pratiques :<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>installation simplifi\u00e9e ;<\/li>\n\n\n\n<li>conception \u00e9volutive du syst\u00e8me ;<\/li>\n\n\n\n<li>c\u00e2blage plus structur\u00e9.<\/li>\n<\/ul>\n\n\n\n<p>La plupart des modules sont pr\u00e9vus pour une installation \u00e0 l\u2019int\u00e9rieur d\u2019une enveloppe, avec un indice de protection IP20 et un refroidissement par convection naturelle.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1920\" height=\"1280\" src=\"https:\/\/tps-elektronik.com\/wp-content\/uploads\/2026\/03\/ef9c78b8-a131-4da0-8132-91a39f1b5f76.jpg\" alt=\"Eine Reihe von DIN-TS35-Hutschienen-Begrenzermodulen, installiert in einem Elektroschrank.\" class=\"wp-image-9058\" srcset=\"https:\/\/tps-elektronik.com\/wp-content\/uploads\/2026\/03\/ef9c78b8-a131-4da0-8132-91a39f1b5f76.jpg 1920w, https:\/\/tps-elektronik.com\/wp-content\/uploads\/2026\/03\/ef9c78b8-a131-4da0-8132-91a39f1b5f76-600x400.jpg 600w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">5. Param\u00e8tres cl\u00e9s de performance<\/h2>\n\n\n\n<p>Lors de la s\u00e9lection d\u2019un limiteur, plusieurs param\u00e8tres doivent \u00eatre \u00e9valu\u00e9s.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5.1 Limitation du courant de cr\u00eate<\/h3>\n\n\n\n<p>Ce param\u00e8tre d\u00e9finit le courant d\u2019appel maximal autoris\u00e9 pendant une dur\u00e9e donn\u00e9e. Les valeurs typiques d\u00e9pendent du dispositif et de l\u2019application.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5.2 Intervalle de r\u00e9p\u00e9tition<\/h3>\n\n\n\n<p>Il indique la rapidit\u00e9 avec laquelle le dispositif peut g\u00e9rer un nouveau cycle de mise sous tension.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>solutions NTC seules : temps de r\u00e9cup\u00e9ration g\u00e9n\u00e9ralement plus long ;<\/li>\n\n\n\n<li>solutions avec relais : intervalles plus courts possibles.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">5.3 Conditions d\u2019environnement<\/h3>\n\n\n\n<p>V\u00e9rifier notamment :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>la plage de temp\u00e9rature de fonctionnement ;<\/li>\n\n\n\n<li>les limites d\u2019humidit\u00e9 ;<\/li>\n\n\n\n<li>l\u2019altitude d\u2019installation.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">5.4 Conformit\u00e9 et normes<\/h3>\n\n\n\n<p>Selon l\u2019application, les r\u00e9f\u00e9rences pertinentes peuvent inclure :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>EN 62368-1 ;<\/li>\n\n\n\n<li>la s\u00e9rie EN 61000 (EMC).<\/li>\n<\/ul>\n\n\n\n<p>La conformit\u00e9 d\u00e9pend du produit consid\u00e9r\u00e9 et de la documentation fournie par le fabricant.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1920\" height=\"1280\" src=\"https:\/\/tps-elektronik.com\/wp-content\/uploads\/2026\/03\/IMG_9152.jpg\" alt=\"Eine Nahaufnahme der Zertifizierungszeichen auf dem Geh\u00e4use des Einschaltstrombegrenzers, einschlie\u00dflich Konformit\u00e4tskennzeichnungen wie CE und RoHS.\" class=\"wp-image-9063\" srcset=\"https:\/\/tps-elektronik.com\/wp-content\/uploads\/2026\/03\/IMG_9152.jpg 1920w, https:\/\/tps-elektronik.com\/wp-content\/uploads\/2026\/03\/IMG_9152-600x400.jpg 600w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">6. Domaines d\u2019application typiques<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">6.1 \u00c9quipements industriels<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>moteurs ;<\/li>\n\n\n\n<li>convoyeurs ;<\/li>\n\n\n\n<li>compresseurs.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">6.2 Syst\u00e8mes HVAC<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>compresseurs ;<\/li>\n\n\n\n<li>\u00e9lectronique de commande.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">6.3 Syst\u00e8mes d\u2019\u00e9clairage<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>drivers LED ;<\/li>\n\n\n\n<li>ballasts \u00e9lectroniques.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">6.4 Syst\u00e8mes UPS<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>red\u00e9marrage contr\u00f4l\u00e9 des charges en aval.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">6.5 Variateurs de fr\u00e9quence (VFD)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>charge des condensateurs du bus DC.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">6.6 Distribution d\u2019\u00e9nergie<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>protection centralis\u00e9e dans les tableaux et infrastructures.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">7. Crit\u00e8res de s\u00e9lection<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">7.1 D\u00e9finir les param\u00e8tres \u00e9lectriques<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>courant en r\u00e9gime \u00e9tabli (RMS) ;<\/li>\n\n\n\n<li>pic de courant d\u2019appel attendu ;<\/li>\n\n\n\n<li>tension et fr\u00e9quence d\u2019alimentation.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">7.2 Prendre en compte le type de charge<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>charge capacitive ;<\/li>\n\n\n\n<li>charge inductive ;<\/li>\n\n\n\n<li>charge mixte.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">7.3 \u00c9valuer les conditions de fonctionnement<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>temp\u00e9rature ;<\/li>\n\n\n\n<li>fr\u00e9quence de commutation ;<\/li>\n\n\n\n<li>espace disponible pour l\u2019installation.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">7.4 Choisir la technologie adapt\u00e9e<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>NTC : solution simple et \u00e9conomique ;<\/li>\n\n\n\n<li>solution \u00e0 relais : pertes r\u00e9duites en r\u00e9gime \u00e9tabli et red\u00e9marrage facilit\u00e9.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">8. Recommandations d\u2019installation<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Couper l\u2019alimentation avant toute intervention.<\/li>\n\n\n\n<li>Utiliser des outils appropri\u00e9s et une isolation adapt\u00e9e.<\/li>\n\n\n\n<li>Respecter l\u2019orientation de montage prescrite.<\/li>\n\n\n\n<li>Pr\u00e9voir une ventilation suffisante.<\/li>\n\n\n\n<li>Suivre les sections de conducteurs et les couples de serrage sp\u00e9cifi\u00e9s.<\/li>\n<\/ul>\n\n\n\n<p>Les modules sur rail DIN sont g\u00e9n\u00e9ralement destin\u00e9s \u00e0 un usage en int\u00e9rieur, \u00e0 l\u2019int\u00e9rieur d\u2019une enveloppe adapt\u00e9e.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">9. FAQ<\/h2>\n\n\n\n<p><strong>Q : Le courant d\u2019appel est-il identique au courant de d\u00e9marrage ?<\/strong><br>Oui. Les deux termes sont g\u00e9n\u00e9ralement utilis\u00e9s de mani\u00e8re interchangeable.<\/p>\n\n\n\n<p><strong>Q : Une thermistance NTC peut-elle \u00eatre utilis\u00e9e seule ?<\/strong><br>Oui, selon la fr\u00e9quence de commutation et les conditions thermiques de l\u2019application.<\/p>\n\n\n\n<p><strong>Q : Les limiteurs sur rail DIN conviennent-ils aux syst\u00e8mes triphas\u00e9s ?<\/strong><br>Il convient d\u2019utiliser des versions triphas\u00e9es d\u00e9di\u00e9es lorsque cela est n\u00e9cessaire.<\/p>\n\n\n\n<p><strong>Q : Qu\u2019est-ce qu\u2019un limiteur \u00e0 large plage de tension ?<\/strong><br>Il s\u2019agit d\u2019un dispositif con\u00e7u pour accepter une plage de tension d\u2019entr\u00e9e plus \u00e9tendue, par exemple pour des applications internationales.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">10. Perspectives<\/h2>\n\n\n\n<p>Les \u00e9volutions de l\u2019\u00e9lectronique de puissance, notamment les semi-conducteurs \u00e0 large bande interdite et les commandes num\u00e9riques, influencent les concepts de limitation du courant. N\u00e9anmoins, les solutions \u00e9prouv\u00e9es, telles que les limiteurs \u00e0 relais et les composants passifs, restent largement utilis\u00e9es dans les applications industrielles.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">11. Conclusion<\/h2>\n\n\n\n<p>Le courant d\u2019appel est un ph\u00e9nom\u00e8ne courant dans les syst\u00e8mes \u00e9lectriques. Avec une conception appropri\u00e9e et un choix coh\u00e9rent des composants, son impact peut \u00eatre ma\u00eetris\u00e9 de mani\u00e8re efficace.<\/p>\n\n\n\n<p>La s\u00e9lection d\u2019un limiteur de courant d\u2019appel adapt\u00e9 suppose de :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>comprendre le comportement de la charge ;<\/li>\n\n\n\n<li>ajuster les param\u00e8tres \u00e9lectriques ;<\/li>\n\n\n\n<li>tenir compte des conditions d\u2019exploitation et de l\u2019environnement.<\/li>\n<\/ul>\n\n\n\n<p>Il convient de se r\u00e9f\u00e9rer \u00e0 la documentation du fabricant pour v\u00e9rifier l\u2019ad\u00e9quation \u00e0 l\u2019application et la conformit\u00e9 aux exigences du projet.<\/p>\n\n\n<style id=\"wpforms-css-vars-4336-block-18001dbb-e4b9-49b2-888b-f379bfac79b0\">\n\t\t\t\t#wpforms-4336.wpforms-block-18001dbb-e4b9-49b2-888b-f379bfac79b0 {\n\t\t\t\t--wpforms-field-size-input-height: 43px;\n--wpforms-field-size-input-spacing: 15px;\n--wpforms-field-size-font-size: 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https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Limiteur de courant d\u2019appel : technologies, s\u00e9lection et solutions rail DIN<\/title>\n<meta name=\"description\" content=\"D\u00e9couvrez le fonctionnement des limiteurs de courant d\u2019appel, comparez les technologies NTC et relais, et choisissez une solution rail DIN adapt\u00e9e aux applications industrielles.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/tps-elektronik.com\/fr\/limiteur-courant-appel-rail-din\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Limiteur de courant d\u2019appel : technologies, s\u00e9lection et solutions rail DIN\" \/>\n<meta property=\"og:description\" content=\"D\u00e9couvrez le fonctionnement des limiteurs de courant d\u2019appel, comparez les technologies NTC 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