{"id":1753,"date":"2023-02-21T09:46:15","date_gmt":"2023-02-21T08:46:15","guid":{"rendered":"https:\/\/www.gt-engineering.it\/approfondimenti\/%tipologia_approfondimento%\/product-standard-for-industrial-control-panels\/"},"modified":"2025-09-27T17:19:59","modified_gmt":"2025-09-27T16:19:59","slug":"product-standard-for-industrial-control-panels-iec-60204-1-or-iec-61439-1","status":"publish","type":"approfondimento","link":"https:\/\/www.gt-engineering.it\/en\/insights\/electrical-hazard-and-arc-flash-mitigation\/product-standard-for-industrial-control-panels-iec-60204-1-or-iec-61439-1\/","title":{"rendered":"Product Standard for Industrial Control Panels: IEC 60204-1 or IEC 61439-1?"},"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=\"100\"\r\n                                srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2023\/02\/IEC-60204-1-vs-IEC-61439-1.png\"\r\n                                type=\"image\/png\"\r\n                            \/>\r\n                                                                                <source\r\n                                media=\"(max-width: 300px)\"\r\n                                width=\"300\"\r\n                                height=\"200\"\r\n                                srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2023\/02\/IEC-60204-1-vs-IEC-61439-1-300x200.png\"\r\n                                type=\"image\/png\"\r\n                            \/>\r\n                                                                                <source\r\n                                media=\"(max-width: 768px)\"\r\n                                width=\"768\"\r\n                                height=\"512\"\r\n                                srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2023\/02\/IEC-60204-1-vs-IEC-61439-1.png\"\r\n                                type=\"image\/png\"\r\n                            \/>\r\n                                                                                <source\r\n                                media=\"(max-width: 1024px)\"\r\n                                width=\"1024\"\r\n                                height=\"683\"\r\n                                srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2023\/02\/IEC-60204-1-vs-IEC-61439-1.png\"\r\n                                type=\"image\/png\"\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\/02\/IEC-60204-1-vs-IEC-61439-1.png\"\r\n                                                        title=\"IEC 60204-1 vs IEC 61439-1\"\r\n                                                        type=\"image\/png\"\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><\/p>\n<p data-start=\"119\" data-end=\"368\">Manufacturers of machines and industrial control panels often face uncertainty about which electrical standard should be applied for the <strong data-start=\"256\" data-end=\"266\">design<\/strong> and <strong data-start=\"271\" data-end=\"285\">CE marking<\/strong> of industrial control panels.<br data-start=\"315\" data-end=\"318\" \/>Different schools of thought exist on this matter:<\/p>\n<ul>\n<li data-start=\"370\" data-end=\"847\">Some maintain that <strong data-start=\"389\" data-end=\"494\">IEC 60204-1 \u2014 <em data-start=\"405\" data-end=\"492\">Safety of machinery \u2013 Electrical equipment of machines \u2013 Part 1: General requirements<\/em><\/strong> is the sole applicable standard when designing the electrical equipment of machinery.<\/li>\n<li data-start=\"370\" data-end=\"847\">Others contend that <strong data-start=\"603\" data-end=\"726\">IEC 61439-2 \u2014 <em data-start=\"619\" data-end=\"724\">Low-voltage switchgear and controlgear assemblies \u2013 Part 2: Power switchgear and controlgear assemblies<\/em><\/strong> must be applied in full and can even be regarded as the only relevant standard for the electrical cabinets of machinery.<\/li>\n<\/ul>\n<p><strong>CONSIDERATIONS<\/strong><\/p>\n<p data-start=\"150\" data-end=\"531\">This doubt is understandable, as neither of the two standards can be strictly classified as the <strong data-start=\"246\" data-end=\"266\">product standard<\/strong> for industrial control panels.<br data-start=\"297\" data-end=\"300\" \/><strong data-start=\"300\" data-end=\"315\">IEC 61439-2<\/strong> is the reference standard for <strong data-start=\"346\" data-end=\"399\">low-voltage switchgear and controlgear assemblies<\/strong>, while <strong data-start=\"407\" data-end=\"422\">IEC 60204-1<\/strong> sets out requirements and recommendations for the <strong data-start=\"473\" data-end=\"509\">electrical equipment of machines<\/strong> in order to ensure:<\/p>\n<ul data-start=\"533\" data-end=\"654\">\n<li data-start=\"533\" data-end=\"576\">\n<p data-start=\"535\" data-end=\"576\">the <strong data-start=\"539\" data-end=\"573\">safety of persons and property<\/strong>;<\/p>\n<\/li>\n<li data-start=\"577\" data-end=\"621\">\n<p data-start=\"579\" data-end=\"621\">the <strong data-start=\"583\" data-end=\"618\">consistency of control response<\/strong>;<\/p>\n<\/li>\n<li data-start=\"622\" data-end=\"654\">\n<p data-start=\"624\" data-end=\"654\">the <strong data-start=\"628\" data-end=\"651\">ease of maintenance<\/strong>.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"172\" data-end=\"652\"><strong data-start=\"172\" data-end=\"187\">IEC 60204-1<\/strong> is the technical standard for the <strong data-start=\"222\" data-end=\"269\">entire electrical installation of a machine<\/strong>, not specifically for its control panels; however, it provides all the requirements needed to design a <strong data-start=\"373\" data-end=\"406\">safe industrial control panel<\/strong>. It is broadly equivalent to <strong data-start=\"436\" data-end=\"447\">NFPA 79<\/strong> in the United States and <strong data-start=\"473\" data-end=\"490\">C22.2 No. 301<\/strong> in Canada.<br data-start=\"501\" data-end=\"504\" data-is-only-node=\"\" \/>By contrast, <strong data-start=\"517\" data-end=\"532\">IEC 61439-2<\/strong> is the <strong data-start=\"540\" data-end=\"560\">product standard<\/strong> for <strong data-start=\"565\" data-end=\"606\">switchgear and controlgear assemblies<\/strong>, meaning low-voltage <strong data-start=\"628\" data-end=\"651\">distribution panels<\/strong>.<\/p>\n<p data-start=\"654\" data-end=\"985\">In other words, the reality is that there is <strong data-start=\"699\" data-end=\"734\">no dedicated technical standard<\/strong> for <strong data-start=\"739\" data-end=\"775\">Industrial Control Panels (ICPs)<\/strong> used in machinery.<br data-start=\"794\" data-end=\"797\" \/><strong>\u00a0 \u00a0 \u00a0 \u00a0Yes \u2014 that is the truth!<\/strong><br data-start=\"821\" data-end=\"824\" \/>But this absence does <strong data-start=\"846\" data-end=\"861\">not justify<\/strong> choosing <strong data-start=\"871\" data-end=\"886\">IEC 61439-1<\/strong> as <em data-start=\"890\" data-end=\"895\">the<\/em> technical standard for ICPs. Unfortunately, this misconception persists in some quarters.<\/p>\n<p>In the <strong>USA<\/strong> the situation is clear: the product standard for switchgears is\u00a0<a href=\"https:\/\/www.gt-engineering.it\/en\/technical-standards\/ul-and-nfpa-standards\/ul-891-switchboards\/\"><strong>UL 891<\/strong><\/a>, the one for industrial control panel is <a href=\"https:\/\/www.gt-engineering.it\/en\/technical-standards\/ul-and-nfpa-standards\/ul-508a\/\"><strong>UL 508A<\/strong><\/a>. While the one for the Electrical Installation of Machinery is <a href=\"https:\/\/www.gt-engineering.it\/en\/technical-standards\/ul-and-nfpa-standards\/industrial-machinery\/\">NFPA 79<\/a>.<\/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-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\/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\/2023\/01\/Diapositiva-2-150x150.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=\"129\"\r\n                                srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2023\/01\/Diapositiva-2-300x129.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=\"331\"\r\n                                srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2023\/01\/Diapositiva-2-768x331.jpg.webp\"\r\n                                type=\"image\/webp\"\r\n                            \/>\r\n                                                                                <source\r\n                                media=\"(max-width: 911px)\"\r\n                                width=\"911\"\r\n                                height=\"393\"\r\n                                srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2023\/01\/Diapositiva-2.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\/Diapositiva-2.jpg.webp\"\r\n                                                        title=\"Diapositiva-2\"\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\n\n\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 flex-col\">\n\n    \n\n                    <div \n                class=\"order-2 relative w-full\"\n            >\n                <div\n                    class=\"pt-6 space-y-6 w-full md:pt-0 md:space-y-4 lg:space-y-8 xl:space-y-9\"\n                >\n                    \n<div class=\"a-text font-text text-base normal mt-8 first:mt-0 space-y-4\">\n    <p>But let\u2019s look at the language used in the two standards.<br \/>\nIn the current edition of IEC 61439-2 (2012) we find the following language:<\/p>\n<blockquote><p><em>This part of the IEC\u00a061439 defines the specific requirements of power switchgear and controlgear assemblies as follows:<\/em><br \/>\n<em>&#8211;\u00a0\u00a0 \u00a0Assemblies for which the rated voltage does not exceed 1000 V in case of a.c. or 1500 V in case of d.c.;\u00a0<\/em><br \/>\n<em>&#8211;\u00a0\u00a0 \u00a0Stationary or movable assemblies with or without enclosure;\u00a0<\/em><br \/>\n<em>&#8211;\u00a0\u00a0 \u00a0Assemblies intended for use in connection with the generation, transmission, distribution and conversion of electrical energy and for the control of electric energy consuming equipment;\u00a0<\/em><br \/>\n<em>&#8211;\u00a0\u00a0 \u00a0Assemblies designed for use under special service conditions, for example in ships and in rail vehicles provided that the other relevant specific requirements are complied with;\u00a0<\/em><br \/>\n<em>&#8211;\u00a0\u00a0 \u00a0<strong>Assemblies designed for electrical equipment of machines.<\/strong> Supplementary requirements for assemblies forming part of a machine are covered by the IEC 60204 series.\u00a0<\/em><\/p><\/blockquote>\n<p data-start=\"169\" data-end=\"357\">It is clear that the <strong data-start=\"190\" data-end=\"199\">scope<\/strong> of the standard extends to <strong data-start=\"227\" data-end=\"263\">Industrial Control Panels (ICPs)<\/strong> and that <strong data-start=\"273\" data-end=\"288\">IEC 60204-1<\/strong> provides <em data-start=\"298\" data-end=\"326\">supplementary requirements<\/em> for their design and safety.<\/p>\n<p data-start=\"359\" data-end=\"807\">However, in the <strong data-start=\"375\" data-end=\"408\">latest edition of IEC 61439-2<\/strong> (published in <strong data-start=\"423\" data-end=\"435\">May 2020<\/strong>), the <strong data-start=\"442\" data-end=\"473\">final paragraph was deleted<\/strong> specifically to <strong data-start=\"490\" data-end=\"571\">clarify that IEC 60204-1 is the primary reference standard for control panels<\/strong>.<br data-start=\"572\" data-end=\"575\" \/>Manufacturers may, where appropriate, still apply certain provisions of <strong data-start=\"647\" data-end=\"662\" data-is-only-node=\"\">IEC 61439-2<\/strong> as <em data-start=\"666\" data-end=\"694\">supplementary requirements<\/em>.<br data-start=\"695\" data-end=\"698\" \/>A comparable revision was introduced in the <strong data-start=\"742\" data-end=\"775\">latest edition of IEC 61439-1<\/strong> (published in <strong data-start=\"790\" data-end=\"803\">July 2020<\/strong>).<\/p>\n<p data-start=\"809\" data-end=\"1262\">Consequently, <strong data-start=\"823\" data-end=\"932\">IEC 61439-1 and IEC 61439-2 are no longer intended to be directly applicable to Industrial Control Panels<\/strong>.<br data-start=\"933\" data-end=\"936\" \/>Once these new editions are <strong data-start=\"964\" data-end=\"1016\">harmonised under the Low Voltage Directive (LVD)<\/strong>, it will be the <strong data-start=\"1033\" data-end=\"1077\">responsibility of the panel manufacturer<\/strong> \u2014 within the framework of the <strong data-start=\"1108\" data-end=\"1127\">risk assessment<\/strong> required for CE marking \u2014 to determine which specific provisions of <strong data-start=\"1196\" data-end=\"1212\" data-is-only-node=\"\">EN 61439-1\/2<\/strong> to adopt voluntarily as <em data-start=\"1237\" data-end=\"1261\">supplementary measures<\/em>.<\/p>\n<p>That is\u00a0in line with what is stated in the 2018 edition of EN 60204-1 (or 2016 edition of IEC 60204-1):<\/p>\n<blockquote><p><em>In addition to the requirements of IEC 60204-1, depending upon the machine, its intended use and its electrical equipment, the designer may select parts of the electrical equipment of the machine that are in compliance with relevant parts of the IEC 61439 series.\u00a0<\/em><\/p><\/blockquote>\n<p>This means, for example, that for an <strong data-start=\"189\" data-end=\"217\">industrial control panel<\/strong> equipped with a <strong data-start=\"234\" data-end=\"254\">25 A main switch<\/strong>, the manufacturer could reasonably apply the requirements of <strong data-start=\"316\" data-end=\"331\">IEC 60204-1<\/strong> alone.<br data-start=\"338\" data-end=\"341\" \/>Conversely, for a <strong data-start=\"359\" data-end=\"386\">machinery control panel<\/strong> with a <strong data-start=\"394\" data-end=\"417\">1 000 A main switch<\/strong>, the designer should apply <strong data-start=\"445\" data-end=\"460\">IEC 60204-1<\/strong> and, in addition, follow the relevant provisions of <strong data-start=\"513\" data-end=\"528\">IEC 61439-2<\/strong> applicable to such high-current assemblies.<\/p>\n<p><strong>CONCLUSION<\/strong><br \/>\nUltimately, the <strong data-start=\"143\" data-end=\"169\">machinery manufacturer<\/strong> \u2014 or the manufacturer of the <strong data-start=\"199\" data-end=\"227\">industrial control panel<\/strong> \u2014 <strong data-start=\"230\" data-end=\"283\">shall comply with the requirements of IEC 60204-1<\/strong>.<br data-start=\"284\" data-end=\"287\" \/>In addition, the manufacturer <strong data-start=\"317\" data-end=\"442\">shall determine, through the risk assessment required for CE marking, whether to apply specific provisions of IEC 61439-2<\/strong> that are relevant to the safe design and construction of the control panel.<br data-start=\"518\" data-end=\"521\" \/>For example, when building an in-house <strong data-start=\"560\" data-end=\"586\">busbar trunking system<\/strong>, the manufacturer <strong data-start=\"605\" data-end=\"659\">can refer to the ampacity calculation rules<\/strong>\u00a0given in <strong data-start=\"688\" data-end=\"703\">IEC 61439-1<\/strong>.<\/p>\n<\/div>                <\/div>\n            <\/div>\n        \n        \n    <\/div>\n        <\/section>\n\n    \n","protected":false},"excerpt":{"rendered":"<p>THE QUESTION<br \/>\nMachine and control panel manufacturers often wonder which Electrical Standard shall they follow for the CE Marking of Industrial Control Panels.&#038;n&#8230;<\/p>\n","protected":false},"author":1,"featured_media":980,"parent":0,"menu_order":124,"template":"","meta":{"_acf_changed":false,"footnotes":""},"tipologia_approfondimento":[51],"class_list":["post-1753","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>Product Standard for Industrial Control Panels: IEC 60204-1 or IEC 61439-1?<\/title>\n<meta name=\"description\" content=\"THE QUESTION Machine and control panel manufacturers often wonder which Electrical Standard shall they follow for the CE Marking of Industrial Control Panels (ICPs)\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link 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