{"id":49442,"date":"2025-08-08T11:10:18","date_gmt":"2025-08-08T10:10:18","guid":{"rendered":"https:\/\/www.gt-engineering.it\/?post_type=normativa_tecnica&#038;p=49442"},"modified":"2026-02-09T09:25:49","modified_gmt":"2026-02-09T08:25:49","slug":"en-50156-1-connexions-dalimentation-dentree-et-dispositifs-de-deconnexion-et-darret-durgence","status":"publish","type":"normativa_tecnica","link":"https:\/\/www.gt-engineering.it\/fr\/reglements-techniques\/normes-iec\/en-50156-1\/en-50156-1-connexions-dalimentation-dentree-et-dispositifs-de-deconnexion-et-darret-durgence\/","title":{"rendered":"EN 50156-1 &#8211; Connexions d&rsquo;alimentation d&rsquo;entr\u00e9e et dispositifs de d\u00e9connexion et d&rsquo;arr\u00eat d&rsquo;urgence"},"content":{"rendered":"\n\n    \n        <section\n            data-name=\"Contenuto testuale con immagine\"\n            class=\"bow-gte-testo-media u-spacer-2xs\"\n            id=\"\"\n        >\n            \n<div class=\"o-text-media px-side-spacer sm:px-side-spacer-sm lg:px-side-spacer-tablet 2xl:px-side-spacer-desktop flex flex-wrap items-start md:block\">\n\n    \n                    <div class=\"mb-6 relative w-full md:mb-4 lg:mb-8 xl:mb-9\">\n                \n        <div                class=\"m-headings\"\n            >\n    \n    \n<h2 class=\"a-heading text-primary font-heading text-lg lg:text-xl font-normal mt-2 first:mt-0\">\n                    Types de connexion    <\/h2>\n        <\/div>\n                <\/div>\n        \n                    <div\n                class=\"h-auto mb-6 md:mb-4 lg:mb-8 xl:mb-9  float-right ml-6 md:ml-4 lg:ml-8 xl:ml-9 overflow-hidden shadow-content-image w-full md:w-1\/2\"\n            >\n                \r\n\r\n    \r\n        \r\n            \r\n                \r\n                    <picture\r\n                        class=\"\"\r\n                                            >\r\n                                                                                                        <source\r\n                                media=\"(max-width: 150px)\"\r\n                                width=\"150\"\r\n                                height=\"150\"\r\n                                srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2025\/08\/Senza-titolo-92-150x150.png.webp\"\r\n                                type=\"image\/webp\"\r\n                            \/>\r\n                                                                                <source\r\n                                media=\"(max-width: 300px)\"\r\n                                width=\"300\"\r\n                                height=\"300\"\r\n                                srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2025\/08\/Senza-titolo-92-300x300.png.webp\"\r\n                                type=\"image\/webp\"\r\n                            \/>\r\n                                                                                <source\r\n                                media=\"(max-width: 768px)\"\r\n                                width=\"768\"\r\n                                height=\"768\"\r\n                                srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2025\/08\/Senza-titolo-92-768x768.png.webp\"\r\n                                type=\"image\/webp\"\r\n                            \/>\r\n                                                                                <source\r\n                                media=\"(max-width: 1024px)\"\r\n                                width=\"1024\"\r\n                                height=\"1024\"\r\n                                srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2025\/08\/Senza-titolo-92-1024x1024.png.webp\"\r\n                                type=\"image\/webp\"\r\n                            \/>\r\n                                                                            <img\r\n                            class=\"a-image transparent border-image h-auto  w-full\"\r\n                                                        srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2025\/08\/Senza-titolo-92.png.webp\"\r\n                                                        title=\"Senza titolo\"\r\n                                                        type=\"image\/webp\"\r\n                        \/>\r\n                    <\/picture>\r\n\r\n                \r\n\r\n                    \r\n    \r\n            <\/div>\n        \n                    <div class=\"relative w-full\">\n                \n<div class=\"a-text font-text text-base normal mt-8 first:mt-0 space-y-4\">\n    <p><span dir=\"auto\">Pour connecter l&rsquo;\u00e9quipement \u00e9lectrique d&rsquo;un four au r\u00e9seau d&rsquo;alimentation d&rsquo;entr\u00e9e, l&rsquo;un des types de connexion suivants doit \u00eatre s\u00e9lectionn\u00e9<\/span><\/p>\n<ul>\n<li><span dir=\"auto\">connexion via des c\u00e2bles install\u00e9s en permanence ;<\/span><\/li>\n<li><span dir=\"auto\">raccordement par c\u00e2bles flexibles reli\u00e9s en permanence au r\u00e9seau d&rsquo;alimentation et aux bornes du syst\u00e8me ;<\/span><\/li>\n<li><span dir=\"auto\">\u00a0connexion via des c\u00e2bles flexibles fix\u00e9s en permanence \u00e0 l&rsquo;\u00e9quipement et connect\u00e9s au r\u00e9seau d&rsquo;alimentation via une combinaison fiche-prise<\/span><\/li>\n<li><span dir=\"auto\">Lors du raccordement \u00e0 l&rsquo;alimentation d&rsquo;entr\u00e9e, utilisez uniquement la combinaison fiche-prise polaris\u00e9e, conform\u00e9ment \u00e0 la norme EN IEC 60309-1:2022. Les circuits de commande ou de s\u00e9curit\u00e9 doivent \u00eatre aliment\u00e9s directement par l&rsquo;alimentation d&rsquo;entr\u00e9e via la combinaison fiche-prise.<\/span><\/li>\n<\/ul>\n<\/div>            <\/div>\n        \n        \n                <div class=\"clear-both\"><\/div>\n        \n\n    <\/div>\n        <\/section>\n\n    \n\n\n\n\n    \n        <section\n            data-name=\"Contenuto testuale con immagine\"\n            class=\"bow-gte-testo-media u-spacer-2xs\"\n            id=\"\"\n        >\n            \n<div class=\"o-text-media px-side-spacer sm:px-side-spacer-sm lg:px-side-spacer-tablet 2xl:px-side-spacer-desktop flex flex-wrap items-start md:block\">\n\n    \n                    <div class=\"mb-6 relative w-full md:mb-4 lg:mb-8 xl:mb-9\">\n                \n        <div                class=\"m-headings\"\n            >\n    \n    \n<h2 class=\"a-heading text-primary font-heading text-xl lg:text-2xl font-normal mt-2 first:mt-0\">\n                    R\u00e9siliations    <\/h2>\n        <\/div>\n                <\/div>\n        \n        \n                    <div class=\"relative w-full\">\n                \n<div class=\"a-text font-text text-base normal mt-8 first:mt-0 space-y-4\">\n    <p><span dir=\"auto\">Les points de connexion doivent \u00eatre adapt\u00e9s \u00e0 la section et au type de conducteurs \u00e0 connecter.<\/span><\/p>\n<p><span dir=\"auto\">Les bornes d&rsquo;alimentation d&rsquo;entr\u00e9e doivent \u00eatre clairement identifi\u00e9es conform\u00e9ment \u00e0 la norme EN IEC 60445:2021. Les d\u00e9signations doivent \u00eatre conformes \u00e0 la documentation du circuit.<\/span><\/p>\n<\/div>            <\/div>\n        \n        \n                <div class=\"clear-both\"><\/div>\n        \n\n    <\/div>\n        <\/section>\n\n    \n\n\n\n\n    \n        <section\n            data-name=\"Contenuto testuale con immagine\"\n            class=\"bow-gte-testo-media u-spacer-2xs\"\n            id=\"\"\n        >\n            \n<div class=\"o-text-media px-side-spacer sm:px-side-spacer-sm lg:px-side-spacer-tablet 2xl:px-side-spacer-desktop flex flex-wrap items-start md:block\">\n\n    \n                    <div class=\"mb-6 relative w-full md:mb-4 lg:mb-8 xl:mb-9\">\n                \n        <div                class=\"m-headings\"\n            >\n    \n    \n<h2 class=\"a-heading text-primary font-heading text-lg lg:text-xl font-normal mt-2 first:mt-0\">\n                    Connexions \u00e0 des \u00e9quipements \u00e9lectriques distants    <\/h2>\n        <\/div>\n                <\/div>\n        \n        \n                    <div class=\"relative w-full\">\n                \n<div class=\"a-text font-text text-base normal mt-8 first:mt-0 space-y-4\">\n    <p><span dir=\"auto\">Le tableau \u00e9lectrique doit \u00eatre \u00e9quip\u00e9 de bornes, de dispositifs \u00e0 fiches et \u00e0 prises ou de connexions \u00e9quivalentes ; leur d\u00e9signation doit \u00eatre coh\u00e9rente avec le sch\u00e9ma de c\u00e2blage.<\/span><\/p>\n<p><span dir=\"auto\">Pour les conducteurs de protection dans l&rsquo;armoire \u00e9lectrique ou la bo\u00eete \u00e0 bornes, un nombre et une conception ad\u00e9quats des connexions doivent \u00eatre pr\u00e9vus afin de permettre le raccordement individuel des conducteurs de protection entrants ou sortants. Toutes les connexions doivent \u00eatre s\u00e9curis\u00e9es pour \u00e9viter tout desserrage accidentel et doivent \u00eatre marqu\u00e9es conform\u00e9ment \u00e0 la norme EN IEC 60445:2021.<\/span><\/p>\n<p><span dir=\"auto\">Les combinaisons fiche-prise doivent \u00eatre polaris\u00e9es si elles ne sont pas situ\u00e9es dans un local d&rsquo;installation \u00e9lectrique et de type \u00e0 verrouillage, pour \u00e9viter et pr\u00e9venir toute d\u00e9connexion accidentelle.<\/span><\/p>\n<\/div>            <\/div>\n        \n        \n                <div class=\"clear-both\"><\/div>\n        \n\n    <\/div>\n        <\/section>\n\n    \n\n\n\n\n    \n        <section\n            data-name=\"Contenuto testuale con immagine\"\n            class=\"bow-gte-testo-media u-spacer-2xs\"\n            id=\"\"\n        >\n            \n<div class=\"o-text-media px-side-spacer sm:px-side-spacer-sm lg:px-side-spacer-tablet 2xl:px-side-spacer-desktop flex flex-wrap items-start md:block\">\n\n    \n                    <div class=\"mb-6 relative w-full md:mb-4 lg:mb-8 xl:mb-9\">\n                \n        <div                class=\"m-headings\"\n            >\n    \n    \n<h2 class=\"a-heading text-primary font-heading text-lg lg:text-xl font-normal mt-2 first:mt-0\">\n                    Dispositifs de d\u00e9connexion de l&rsquo;alimentation \u00e9lectrique    <\/h2>\n        <\/div>\n                <\/div>\n        \n        \n                    <div class=\"relative w-full\">\n                \n<div class=\"a-text font-text text-base normal mt-8 first:mt-0 space-y-4\">\n    <p><span dir=\"auto\">Un dispositif de d\u00e9connexion de l&rsquo;alimentation \u00e9lectrique doit \u00eatre pr\u00e9sent pour isoler les \u00e9quipements \u00e9lectriques lors d&rsquo;activit\u00e9s telles que le nettoyage, l&rsquo;entretien et les r\u00e9parations. Dans les petits syst\u00e8mes, un interrupteur-sectionneur commun peut \u00eatre utilis\u00e9 pour l&rsquo;alimentation \u00e9lectrique entrante. Pour les grands fours, en revanche, il doit \u00eatre possible d&rsquo;isoler chaque appareil individuellement ou en groupe.<\/span><\/p>\n<p><span dir=\"auto\">Pour les alimentations et charges moyenne tension, l&rsquo;isolement est obtenu en utilisant des sectionneurs ou en d\u00e9pla\u00e7ant l&rsquo;interrupteur d&rsquo;un appareil de commutation de type chariot en position de d\u00e9connexion, suivi de l&rsquo;application d&rsquo;une liaison \u00e0 la terre.<\/span><\/p>\n<p><span dir=\"auto\">Il existe plusieurs fa\u00e7ons de proc\u00e9der pour d\u00e9connecter l\u2019alimentation \u00e9lectrique et elles sont les suivantes :<\/span><\/p>\n<ul>\n<li><span dir=\"auto\">interrupteur de d\u00e9connexion<\/span><\/li>\n<li><span dir=\"auto\">circuits exclus<\/span><\/li>\n<\/ul>\n<\/div>            <\/div>\n        \n        \n                <div class=\"clear-both\"><\/div>\n        \n\n    <\/div>\n        <\/section>\n\n    \n\n\n\n\n    \n        <section\n            data-name=\"Contenuto testuale con immagine\"\n            class=\"bow-gte-testo-media u-spacer-2xs\"\n            id=\"\"\n        >\n            \n<div class=\"o-text-media px-side-spacer sm:px-side-spacer-sm lg:px-side-spacer-tablet 2xl:px-side-spacer-desktop flex flex-wrap items-start md:block\">\n\n    \n                    <div class=\"mb-6 relative w-full md:mb-4 lg:mb-8 xl:mb-9\">\n                \n        <div                class=\"m-headings\"\n            >\n    \n    \n<h2 class=\"a-heading text-primary font-heading text-lg lg:text-xl font-normal mt-2 first:mt-0\">\n                    Arr\u00eat d&rsquo;urgence    <\/h2>\n        <\/div>\n                <\/div>\n        \n        \n                    <div class=\"relative w-full\">\n                \n<div class=\"a-text font-text text-base normal mt-8 first:mt-0 space-y-4\">\n    <p><span dir=\"auto\">Afin de r\u00e9duire les risques de blessures corporelles, d&rsquo;endommagement des \u00e9quipements ou de dommages aux travaux en cours, un arr\u00eat d&rsquo;urgence est n\u00e9cessaire. Les exigences d\u00e9pendent du type de danger et du syst\u00e8me.<\/span><\/p>\n<p><span dir=\"auto\">Pour atteindre un \u00e9tat s\u00fbr, il est n\u00e9cessaire d\u2019interrompre la conversion d\u2019\u00e9nergie dans la chaudi\u00e8re en coupant l\u2019alimentation en combustible ou en d\u2019autres formes d\u2019\u00e9nergie le plus rapidement possible.<\/span><\/p>\n<p><span dir=\"auto\">Sa fonction consiste \u00e0 interrompre directement ou indirectement les circuits \u00e9lectriques et les \u00e9quipements d&rsquo;un four devant \u00eatre arr\u00eat\u00e9s pour \u00e9viter une situation dangereuse. Le dispositif d&rsquo;arr\u00eat d&rsquo;urgence peut \u00eatre int\u00e9gr\u00e9 au syst\u00e8me de s\u00e9curit\u00e9.<\/span><\/p>\n<p><span dir=\"auto\">Il peut \u00e9galement \u00eatre utilis\u00e9 comme dispositif de d\u00e9connexion de l&rsquo;alimentation s&rsquo;il r\u00e9pond aux conditions sp\u00e9cifi\u00e9es dans la section o\u00f9 nous avons abord\u00e9 les dispositifs de d\u00e9connexion de l&rsquo;alimentation.<\/span><\/p>\n<\/div>            <\/div>\n        \n        \n                <div class=\"clear-both\"><\/div>\n        \n\n    <\/div>\n        <\/section>\n\n    \n\n\n\n\n    \n        <section\n            data-name=\"Contenuto testuale con immagine\"\n            class=\"bow-gte-testo-media u-spacer-2xs\"\n            id=\"\"\n        >\n            \n<div class=\"o-text-media px-side-spacer sm:px-side-spacer-sm lg:px-side-spacer-tablet 2xl:px-side-spacer-desktop flex flex-wrap items-start md:block\">\n\n    \n                    <div class=\"mb-6 relative w-full md:mb-4 lg:mb-8 xl:mb-9\">\n                \n        <div                class=\"m-headings\"\n            >\n    \n    \n<h2 class=\"a-heading text-primary font-heading text-lg lg:text-xl font-normal mt-2 first:mt-0\">\n                    Non-ouverture des \u00e9l\u00e9ments de contact gr\u00e2ce au soudage permanent    <\/h2>\n        <\/div>\n                <\/div>\n        \n        \n                    <div class=\"relative w-full\">\n                \n<div class=\"a-text font-text text-base normal mt-8 first:mt-0 space-y-4\">\n    <p><span dir=\"auto\">Le document pr\u00e9cise que \u00ab la d\u00e9faillance d&rsquo;une soudure permanente qui emp\u00eache l&rsquo;ouverture des \u00e9l\u00e9ments de contact \u00bb peut \u00eatre exclue si les contacteurs, relais ou interrupteurs auxiliaires sont prot\u00e9g\u00e9s par un dispositif de protection appropri\u00e9, son courant nominal doit \u00eatre multipli\u00e9 par un facteur de s\u00e9curit\u00e9 de 0,6.<\/span><\/p>\n<p><span dir=\"auto\">Cette affirmation n&rsquo;est pas conforme \u00e0 ce qu&rsquo;indique la norme ISO 13849-1, plus pr\u00e9cis\u00e9ment nous ne pouvons pas \u00e9viter la panne elle-m\u00eame mais nous pouvons r\u00e9duire la probabilit\u00e9 que le ph\u00e9nom\u00e8ne se produise, comme le montre l&rsquo;image suivante au point qui dit\u00a0 \u00a0\u00ab\u00a0contacteurs \u00e0 petite charge\u00a0\u00bb .<\/span><\/p>\n<\/div>            <\/div>\n        \n        \n                <div class=\"clear-both\"><\/div>\n        \n\n    <\/div>\n        <\/section>\n\n    \n\n\n\n\n    \n        <section\n            data-name=\"Contenuto testuale con immagine\"\n            class=\"bow-gte-testo-media u-spacer-none\"\n            id=\"\"\n        >\n            \n<div class=\"o-text-media px-side-spacer sm:px-side-spacer-sm lg:px-side-spacer-tablet 2xl:px-side-spacer-desktop flex flex-wrap items-start md:block\">\n\n    \n        \n                    <div\n                class=\"h-auto mb-6 md:mb-4 lg:mb-8 xl:mb-9 float-left mr-6 md:mr-4 lg:mr-8 xl:mr-9  overflow-hidden shadow-content-image w-full md:w-1\/2\"\n            >\n                \r\n\r\n    \r\n        \r\n            \r\n                \r\n                    <picture\r\n                        class=\"\"\r\n                                            >\r\n                                                                                                        <source\r\n                                media=\"(max-width: 150px)\"\r\n                                width=\"150\"\r\n                                height=\"150\"\r\n                                srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2025\/08\/Senza-titolo-93-150x150.png.webp\"\r\n                                type=\"image\/webp\"\r\n                            \/>\r\n                                                                                <source\r\n                                media=\"(max-width: 300px)\"\r\n                                width=\"300\"\r\n                                height=\"188\"\r\n                                srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2025\/08\/Senza-titolo-93-300x188.png.webp\"\r\n                                type=\"image\/webp\"\r\n                            \/>\r\n                                                                                <source\r\n                                media=\"(max-width: 768px)\"\r\n                                width=\"768\"\r\n                                height=\"480\"\r\n                                srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2025\/08\/Senza-titolo-93-768x480.png.webp\"\r\n                                type=\"image\/webp\"\r\n                            \/>\r\n                                                                                <source\r\n                                media=\"(max-width: 1024px)\"\r\n                                width=\"1024\"\r\n                                height=\"640\"\r\n                                srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2025\/08\/Senza-titolo-93-1024x640.png.webp\"\r\n                                type=\"image\/webp\"\r\n                            \/>\r\n                                                                            <img\r\n                            class=\"a-image transparent border-image h-auto  w-full\"\r\n                                                        srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2025\/08\/Senza-titolo-93.png.webp\"\r\n                                                        title=\"Senza titolo\"\r\n                                                        type=\"image\/webp\"\r\n                        \/>\r\n                    <\/picture>\r\n\r\n                \r\n\r\n                    \r\n    \r\n            <\/div>\n        \n        \n        \n                <div class=\"clear-both\"><\/div>\n        \n\n    <\/div>\n        <\/section>\n\n    \n","protected":false},"excerpt":{"rendered":"<p>Pour connecter l\u2019\u00e9quipement \u00e9lectrique d\u2019un four au r\u00e9seau d\u2019alimentation d\u2019entr\u00e9e, l\u2019un des types de connexion suivants doit \u00eatre s\u00e9lectionn\u00e9<\/p>\n","protected":false},"author":2,"featured_media":49360,"parent":49385,"menu_order":2,"template":"","meta":{"_acf_changed":false,"footnotes":""},"normative-tecniche":[165],"class_list":["post-49442","normativa_tecnica","type-normativa_tecnica","status-publish","has-post-thumbnail","hentry","tipologia_normativa-normes-iec"],"acf":{"sottotitolo":"","allegati":null},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>EN 50156-1 - Connexions d&#039;alimentation d&#039;entr\u00e9e et dispositifs de d\u00e9connexion et 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