{"id":3811,"date":"2023-01-04T17:56:38","date_gmt":"2023-01-04T16:56:38","guid":{"rendered":"https:\/\/www.gt-engineering.it\/normative-tecniche\/%tipologia_normativa%\/411-protective-measure-automatic-disconnection-of-supply\/"},"modified":"2023-06-29T11:39:08","modified_gmt":"2023-06-29T10:39:08","slug":"411-protective-measure-automatic-disconnection-of-supply","status":"publish","type":"normativa_tecnica","link":"https:\/\/www.gt-engineering.it\/en\/technical-standards\/en-iec-standards\/iec-60364-4-41\/411-protective-measure-automatic-disconnection-of-supply\/","title":{"rendered":"411 Protective measure: automatic disconnection of supply"},"content":{"rendered":"\n\n    \n        <section\n            data-name=\"Contenuto testuale con immagine\"\n            class=\"bow-gte-testo-media u-spacer-base\"\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\/3\"\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\/2023\/01\/4-TN-TT-IT-150x150.jpg.webp\"\r\n                                type=\"image\/webp\"\r\n                            \/>\r\n                                                                                <source\r\n                                media=\"(max-width: 300px)\"\r\n                                width=\"300\"\r\n                                height=\"157\"\r\n                                srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2023\/01\/4-TN-TT-IT-300x157.jpg.webp\"\r\n                                type=\"image\/webp\"\r\n                            \/>\r\n                                                                                <source\r\n                                media=\"(max-width: 768px)\"\r\n                                width=\"768\"\r\n                                height=\"402\"\r\n                                srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2023\/01\/4-TN-TT-IT-768x402.jpg.webp\"\r\n                                type=\"image\/webp\"\r\n                            \/>\r\n                                                                                <source\r\n                                media=\"(max-width: 1024px)\"\r\n                                width=\"1024\"\r\n                                height=\"536\"\r\n                                srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2023\/01\/4-TN-TT-IT-1024x536.jpg.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\/2023\/01\/4-TN-TT-IT.jpg.webp\"\r\n                                                        title=\"4 TN TT IT\"\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 style=\"margin:0cm 0cm 8pt\"><span style=\"font-size:16px;\"><span style=\"line-height:107%\"><span style=\"font-family:Calibri,sans-serif\">Article 411, (equivalent to CEI 64\/8-4 article 413), details the most used method to protect people from indirect contacts: <b>Automatic Disconnection of Supply<\/b>. <\/span><\/span><\/span><\/p>\n<p style=\"margin:0cm 0cm 8pt\"><span style=\"font-size:16px;\"><span style=\"line-height:107%\"><span style=\"font-family:Calibri,sans-serif\">The way the method works depends on the type of neutral grounding system. There are 3 types of systems:<\/span><\/span><\/span><\/p>\n<ul style=\"margin-left: 40px;\">\n<li style=\"margin: 0cm 0cm 8pt;\"><span style=\"font-size:18px;\"><strong><span style=\"line-height:107%\"><span style=\"font-family:Calibri,sans-serif\">TN Systems<\/span><\/span><\/strong><\/span><\/li>\n<li style=\"margin: 0cm 0cm 8pt;\"><span style=\"font-size:18px;\"><strong><span style=\"line-height:107%\"><span style=\"font-family:Calibri,sans-serif\">TT Systems<\/span><\/span><\/strong><\/span><\/li>\n<li style=\"margin: 0cm 0cm 8pt;\"><span style=\"font-size:18px;\"><strong><span style=\"line-height:107%\"><span style=\"font-family:Calibri,sans-serif\">IT Systems<\/span><\/span><\/strong><\/span><\/li>\n<\/ul>\n<\/div>            <\/div>\n        \n        \n                <div class=\"clear-both\"><\/div>\n        \n\n    <\/div>\n        <\/section>\n\n    \n","protected":false},"excerpt":{"rendered":"<p>Article 411, (equivalent to CEI 64\/8-4 article 413), details the most used method to protect people from indirect contacts: Automatic Disconnection of Supply.<br \/>\n&#8230;<\/p>\n","protected":false},"author":1,"featured_media":37193,"parent":3792,"menu_order":2,"template":"","meta":{"_acf_changed":false,"footnotes":""},"normative-tecniche":[58],"class_list":["post-3811","normativa_tecnica","type-normativa_tecnica","status-publish","has-post-thumbnail","hentry","tipologia_normativa-en-iec-standards"],"acf":{"sottotitolo":"","allegati":null},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>411 Protective measure: automatic disconnection of supply<\/title>\n<meta name=\"description\" content=\"Article 411, (equivalent to CEI 64\/8-4 article 413), details the most used method to protect people from indirect contacts: Automatic Disconnection of Supply. ...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" 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