{"id":45279,"date":"2024-04-30T13:58:45","date_gmt":"2024-04-30T12:58:45","guid":{"rendered":"https:\/\/www.gt-engineering.it\/?post_type=approfondimento&#038;p=45279"},"modified":"2024-05-11T11:32:22","modified_gmt":"2024-05-11T10:32:22","slug":"spare-capacity-in-industrial-control-panels","status":"publish","type":"approfondimento","link":"https:\/\/www.gt-engineering.it\/en\/insights\/electrical-hazard-and-arc-flash-mitigation\/spare-capacity-in-industrial-control-panels\/","title":{"rendered":"Spare capacity in Industrial Control Panels"},"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-right ml-6 md:ml-4 lg:ml-8 xl:ml-9 overflow-hidden shadow-content-image w-full md:w-1\/4\"\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\/2024\/04\/Screenshot-2024-04-30-145750-150x150.png.webp\"\r\n                                type=\"image\/webp\"\r\n                            \/>\r\n                                                                                <source\r\n                                media=\"(max-width: 221px)\"\r\n                                width=\"221\"\r\n                                height=\"300\"\r\n                                srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2024\/04\/Screenshot-2024-04-30-145750-221x300.png.webp\"\r\n                                type=\"image\/webp\"\r\n                            \/>\r\n                                                                                <source\r\n                                media=\"(max-width: 527px)\"\r\n                                width=\"527\"\r\n                                height=\"717\"\r\n                                srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2024\/04\/Screenshot-2024-04-30-145750.png.webp\"\r\n                                type=\"image\/webp\"\r\n                            \/>\r\n                                                                                <source\r\n                                media=\"(max-width: 527px)\"\r\n                                width=\"527\"\r\n                                height=\"717\"\r\n                                srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2024\/04\/Screenshot-2024-04-30-145750.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\/2024\/04\/Screenshot-2024-04-30-145750.png.webp\"\r\n                                                        title=\"Screenshot 2024-04-30 145750\"\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><strong>The Doubt:<\/strong> In an Industrial Control Panel, is it required to leave a certain Spare capacity for \u201cfuture\u201d development?<\/p>\n<p><strong>Considerations:<\/strong> The reference standard for Electrical Equipment of machinery is IEC 60204-1 (In Europe that becomes EN 60204-1). <strong>That standard does not require<\/strong> any spare capacity inside control panels<\/p>\n<p>Another standard sometimes used is <strong>IEC 61439-1 and IEC 61439-2<\/strong>. Also inside those 2 standards there is no request for spare capacity to be present inside the panel.<\/p>\n<p><strong>So, where is this requirement coming from?<\/strong> The requirement comes from some National Electrical Codes like the Italian CEI 64\/8 that requires, for Electrical Panels installed in houses, \u201c<em>To allow subsequent expansions, the panels must be sized for 30% more than the modules installed, with a minimum of two modules, or a larger space if required by constraints linked to the maximum power dissipated by the panel [CEI 64\/8 <\/em><em>\u00a7<\/em><em>37.4.1]<\/em>\u201d.<\/p>\n<p>We can also have a look at the North American Standards, only to realise that there is not any mentioning of spare capacity language in any of them: nothing in UL 508A; nothing in NFPA 79 nor C22.2 N\u00b0 286, nor C22.2 N\u00b0 301.<\/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-sm\"\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-2xl lg:text-3xl xl:text-4xl font-normal mt-2 first:mt-0\">\n                    Conclusions    <\/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>When designing Industrial Control Panels, there is no normative requirement to leave a certain space capacity for future mounting of components. That is also in line with the fact that, normally, an Industrial control Panel is not subject to \u201cgrowth\u201d.<\/p>\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>The Doubt: In an Industrial Control Panel, is it required to leave a certain Spare capacity for \u201cfuture\u201d development?<\/p>\n","protected":false},"author":2,"featured_media":45280,"parent":0,"menu_order":18,"template":"","meta":{"_acf_changed":false,"footnotes":""},"tipologia_approfondimento":[51],"class_list":["post-45279","approfondimento","type-approfondimento","status-publish","has-post-thumbnail","hentry","tipologia_approfondimento-electrical-hazard-and-arc-flash-mitigation"],"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>Spare capacity in Industrial Control Panels - 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