{"id":2402,"date":"2021-09-10T14:20:22","date_gmt":"2021-09-10T14:20:22","guid":{"rendered":"https:\/\/conduct.nl\/gecoordineerde-overspanningsbeveiliging\/"},"modified":"2025-10-20T16:25:05","modified_gmt":"2025-10-20T14:25:05","slug":"coordinated-surge-protection","status":"publish","type":"post","link":"https:\/\/conduct.nl\/en\/coordinated-surge-protection\/","title":{"rendered":"Coordinated surge protection"},"content":{"rendered":"<div class=\"inner\">\n<div class=\"inner_wrapper\">\n<div class=\"sidebar_content left_sidebar\">\n<h3 data-start=\"407\" data-end=\"476\">Coordinated surge protection according to IEC 60364 and IEC 61643<\/h3>\n<p data-start=\"478\" data-end=\"851\">Effective surge protection in PV systems requires a coordinated SPD setup (Surge Protection Devices), based on the EMC zoning concept (LPZ 0A to LPZ 2). Each zone transition defines the maximum allowed residual voltage, which must align with the rated impulse withstand voltage (Uw) of the connected equipment, as outlined in IEC 60364-4-44, Clause 443.6.2.<\/p>\n<p>&nbsp;<\/p>\n<h3 data-start=\"853\" data-end=\"905\">Rated impulse withstand voltages (IEC 60664-1):<\/h3>\n<ul data-start=\"906\" data-end=\"1113\">\n<li data-start=\"906\" data-end=\"965\">\n<p data-start=\"908\" data-end=\"965\"><strong data-start=\"908\" data-end=\"932\">Category I (1.5 kV):<\/strong> Sensitive electronic equipment<\/p>\n<\/li>\n<li data-start=\"966\" data-end=\"1022\">\n<p data-start=\"968\" data-end=\"1022\"><strong data-start=\"968\" data-end=\"993\">Category II (2.5 kV):<\/strong> Standard connected devices<\/p>\n<\/li>\n<li data-start=\"1023\" data-end=\"1113\">\n<p data-start=\"1025\" data-end=\"1113\"><strong data-start=\"1025\" data-end=\"1051\">Category III (4.0 kV):<\/strong> Fixed installation components with higher reliability demands<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"1115\" data-end=\"1142\"><img fetchpriority=\"high\" decoding=\"async\" class=\"img-responsive img-responsive alignnone wp-image-3196 size-full img-responsive i\" style=\"font-size: 16px; font-weight: 400;\" src=\"https:\/\/conduct.nl\/app\/uploads\/2021\/09\/coordinatie-bliksem.png\" alt=\"coordinatie-bliksem\" width=\"691\" height=\"408\" \/><\/h3>\n<h3 data-start=\"1115\" data-end=\"1142\">SPD yypes and placement<\/h3>\n<p data-start=\"1144\" data-end=\"1189\"><strong data-start=\"1144\" data-end=\"1187\">Type 1 SPD &#8211; Lightning current arrester<\/strong><\/p>\n<ul data-start=\"1190\" data-end=\"1506\">\n<li data-start=\"1190\" data-end=\"1261\">\n<p data-start=\"1192\" data-end=\"1261\">Installed at LPZ 0A \u2192 LPZ 1 boundary (e.g. main distribution board)<\/p>\n<\/li>\n<li data-start=\"1262\" data-end=\"1301\">\n<p data-start=\"1264\" data-end=\"1301\">Handles 10\/350 \u00b5s lightning current<\/p>\n<\/li>\n<li data-start=\"1302\" data-end=\"1413\">\n<p data-start=\"1304\" data-end=\"1413\">Required when LPS (Lightning Protection System) or conductive steel structure is bonded to the earth system<\/p>\n<\/li>\n<li data-start=\"1414\" data-end=\"1441\">\n<p data-start=\"1416\" data-end=\"1441\">Residual voltage &lt; 4 kV<\/p>\n<\/li>\n<li data-start=\"1442\" data-end=\"1506\">\n<p data-start=\"1444\" data-end=\"1506\">Always used in combination with Type 2 (and optionally Type 3)<\/p>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><strong>Type 1+2 SPD &#8211; Combined protection<\/strong><\/p>\n<ul>\n<li>Compact device for direct-connected equipment<\/li>\n<li>Handles both lightning (10\/350 \u00b5s) and switching surges (8\/20 \u00b5s)<\/li>\n<li>Residual voltage &lt; 1.5 kV<\/li>\n<li>Suitable for cable lengths \u2264 5 m<\/li>\n<li>Replaces separate Type 1 and 2 where space or simplicity is a factor<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><strong>Type 2 SPD &#8211; Surge arrester<\/strong><\/p>\n<ul>\n<li>Used for overvoltage protection against field induction or switching surges<\/li>\n<li>Installed in the main or sub-distribution board<\/li>\n<li>Appropriate for LPZ 0B \u2192 LPZ 1 transitions<\/li>\n<li>Protects connected end circuits or inverter input<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><strong>Type 3 SPD &#8211; Device-level protection<\/strong><\/p>\n<ul>\n<li>Installed near sensitive end devices (LPZ 2)<\/li>\n<li>Provides protection against residual surges beyond Type 2<\/li>\n<li>Only effective when located close to the equipment<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><strong>Installation Notes<\/strong><\/p>\n<p>If cables remain within the same LPZ and are shorter than 10\u201315 meters, an additional SPD in the next distribution board may not be required.<br \/>\nWhen no LPS is present, Type 1 SPD is generally omitted. Protection starts from Type 2.<\/p>\n<p>&nbsp;<\/p>\n<p data-start=\"2540\" data-end=\"2738\">Need help designing your SPD layout? Contact us at <a class=\"\" href=\"mailto:info@conduct.nl\" rel=\"noopener\" data-start=\"2630\" data-end=\"2645\">info@conduct.nl<\/a> or call +31 180 531120. Our specialists will support you.<\/p>\n<p data-start=\"2540\" data-end=\"2738\">\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Coordinated surge protection according to IEC 60364 and IEC 61643 Effective surge protection in PV systems requires a coordinated SPD setup (Surge Protection Devices), based on the EMC zoning concept (LPZ 0A to LPZ 2). Each zone transition defines the maximum allowed residual voltage, which must align with the rated impulse withstand voltage (Uw) of &hellip;<\/p>\n","protected":false},"author":7,"featured_media":41988,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[42],"tags":[],"class_list":["post-2402","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bliksem-en-overspanningsbeveiliging-en"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Coordinated surge protection - Conduct<\/title>\n<meta name=\"description\" content=\"Surge protection must be installed as a coordinated system. Learn all about coordinated surge protection here.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/conduct.nl\/en\/coordinated-surge-protection\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Coordinated surge protection - Conduct\" \/>\n<meta property=\"og:description\" content=\"Surge protection must be installed as a coordinated system. Learn all about coordinated surge protection here.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/conduct.nl\/en\/coordinated-surge-protection\/\" \/>\n<meta property=\"og:site_name\" content=\"Conduct\" \/>\n<meta property=\"article:published_time\" content=\"2021-09-10T14:20:22+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-10-20T14:25:05+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/conduct.nl\/app\/uploads\/2021\/09\/Banner_algemeen.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1500\" \/>\n\t<meta property=\"og:image:height\" content=\"500\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Ricardo\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Ricardo\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/conduct.nl\/en\/coordinated-surge-protection\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/conduct.nl\/en\/coordinated-surge-protection\/\"},\"author\":{\"name\":\"Ricardo\",\"@id\":\"https:\/\/conduct.nl\/#\/schema\/person\/60ebffdd7bf2f7257cf22cd582bbf9b8\"},\"headline\":\"Coordinated surge protection\",\"datePublished\":\"2021-09-10T14:20:22+00:00\",\"dateModified\":\"2025-10-20T14:25:05+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/conduct.nl\/en\/coordinated-surge-protection\/\"},\"wordCount\":311,\"image\":{\"@id\":\"https:\/\/conduct.nl\/en\/coordinated-surge-protection\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/conduct.nl\/app\/uploads\/2021\/09\/Banner_algemeen.png\",\"articleSection\":[\"Lighting and Surge Protection\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/conduct.nl\/en\/coordinated-surge-protection\/\",\"url\":\"https:\/\/conduct.nl\/en\/coordinated-surge-protection\/\",\"name\":\"Coordinated surge protection - Conduct\",\"isPartOf\":{\"@id\":\"https:\/\/conduct.nl\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/conduct.nl\/en\/coordinated-surge-protection\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/conduct.nl\/en\/coordinated-surge-protection\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/conduct.nl\/app\/uploads\/2021\/09\/Banner_algemeen.png\",\"datePublished\":\"2021-09-10T14:20:22+00:00\",\"dateModified\":\"2025-10-20T14:25:05+00:00\",\"author\":{\"@id\":\"https:\/\/conduct.nl\/#\/schema\/person\/60ebffdd7bf2f7257cf22cd582bbf9b8\"},\"description\":\"Surge protection must be installed as a coordinated system. Learn all about coordinated surge protection here.\",\"breadcrumb\":{\"@id\":\"https:\/\/conduct.nl\/en\/coordinated-surge-protection\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/conduct.nl\/en\/coordinated-surge-protection\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/conduct.nl\/en\/coordinated-surge-protection\/#primaryimage\",\"url\":\"https:\/\/conduct.nl\/app\/uploads\/2021\/09\/Banner_algemeen.png\",\"contentUrl\":\"https:\/\/conduct.nl\/app\/uploads\/2021\/09\/Banner_algemeen.png\",\"width\":1500,\"height\":500},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/conduct.nl\/en\/coordinated-surge-protection\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/conduct.nl\/en\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Coordinated surge protection\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/conduct.nl\/#website\",\"url\":\"https:\/\/conduct.nl\/\",\"name\":\"Conduct\",\"description\":\"Conduct Technical Solutions\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/conduct.nl\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/conduct.nl\/#\/schema\/person\/60ebffdd7bf2f7257cf22cd582bbf9b8\",\"name\":\"Ricardo\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/conduct.nl\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/1bc40502937d556b6349b78444c696078ca24bd7e391c2d9a22ed13f303b4bf1?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/1bc40502937d556b6349b78444c696078ca24bd7e391c2d9a22ed13f303b4bf1?s=96&d=mm&r=g\",\"caption\":\"Ricardo\"},\"url\":\"https:\/\/conduct.nl\/en\/author\/1627045716452\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Coordinated surge protection - Conduct","description":"Surge protection must be installed as a coordinated system. Learn all about coordinated surge protection here.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/conduct.nl\/en\/coordinated-surge-protection\/","og_locale":"en_US","og_type":"article","og_title":"Coordinated surge protection - Conduct","og_description":"Surge protection must be installed as a coordinated system. Learn all about coordinated surge protection here.","og_url":"https:\/\/conduct.nl\/en\/coordinated-surge-protection\/","og_site_name":"Conduct","article_published_time":"2021-09-10T14:20:22+00:00","article_modified_time":"2025-10-20T14:25:05+00:00","og_image":[{"width":1500,"height":500,"url":"https:\/\/conduct.nl\/app\/uploads\/2021\/09\/Banner_algemeen.png","type":"image\/png"}],"author":"Ricardo","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Ricardo","Est. reading time":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/conduct.nl\/en\/coordinated-surge-protection\/#article","isPartOf":{"@id":"https:\/\/conduct.nl\/en\/coordinated-surge-protection\/"},"author":{"name":"Ricardo","@id":"https:\/\/conduct.nl\/#\/schema\/person\/60ebffdd7bf2f7257cf22cd582bbf9b8"},"headline":"Coordinated surge protection","datePublished":"2021-09-10T14:20:22+00:00","dateModified":"2025-10-20T14:25:05+00:00","mainEntityOfPage":{"@id":"https:\/\/conduct.nl\/en\/coordinated-surge-protection\/"},"wordCount":311,"image":{"@id":"https:\/\/conduct.nl\/en\/coordinated-surge-protection\/#primaryimage"},"thumbnailUrl":"https:\/\/conduct.nl\/app\/uploads\/2021\/09\/Banner_algemeen.png","articleSection":["Lighting and Surge Protection"],"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/conduct.nl\/en\/coordinated-surge-protection\/","url":"https:\/\/conduct.nl\/en\/coordinated-surge-protection\/","name":"Coordinated surge protection - Conduct","isPartOf":{"@id":"https:\/\/conduct.nl\/#website"},"primaryImageOfPage":{"@id":"https:\/\/conduct.nl\/en\/coordinated-surge-protection\/#primaryimage"},"image":{"@id":"https:\/\/conduct.nl\/en\/coordinated-surge-protection\/#primaryimage"},"thumbnailUrl":"https:\/\/conduct.nl\/app\/uploads\/2021\/09\/Banner_algemeen.png","datePublished":"2021-09-10T14:20:22+00:00","dateModified":"2025-10-20T14:25:05+00:00","author":{"@id":"https:\/\/conduct.nl\/#\/schema\/person\/60ebffdd7bf2f7257cf22cd582bbf9b8"},"description":"Surge protection must be installed as a coordinated system. Learn all about coordinated surge protection here.","breadcrumb":{"@id":"https:\/\/conduct.nl\/en\/coordinated-surge-protection\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/conduct.nl\/en\/coordinated-surge-protection\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/conduct.nl\/en\/coordinated-surge-protection\/#primaryimage","url":"https:\/\/conduct.nl\/app\/uploads\/2021\/09\/Banner_algemeen.png","contentUrl":"https:\/\/conduct.nl\/app\/uploads\/2021\/09\/Banner_algemeen.png","width":1500,"height":500},{"@type":"BreadcrumbList","@id":"https:\/\/conduct.nl\/en\/coordinated-surge-protection\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/conduct.nl\/en\/"},{"@type":"ListItem","position":2,"name":"Coordinated surge protection"}]},{"@type":"WebSite","@id":"https:\/\/conduct.nl\/#website","url":"https:\/\/conduct.nl\/","name":"Conduct","description":"Conduct Technical Solutions","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/conduct.nl\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/conduct.nl\/#\/schema\/person\/60ebffdd7bf2f7257cf22cd582bbf9b8","name":"Ricardo","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/conduct.nl\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/1bc40502937d556b6349b78444c696078ca24bd7e391c2d9a22ed13f303b4bf1?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/1bc40502937d556b6349b78444c696078ca24bd7e391c2d9a22ed13f303b4bf1?s=96&d=mm&r=g","caption":"Ricardo"},"url":"https:\/\/conduct.nl\/en\/author\/1627045716452\/"}]}},"_links":{"self":[{"href":"https:\/\/conduct.nl\/en\/wp-json\/wp\/v2\/posts\/2402","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/conduct.nl\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/conduct.nl\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/conduct.nl\/en\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/conduct.nl\/en\/wp-json\/wp\/v2\/comments?post=2402"}],"version-history":[{"count":12,"href":"https:\/\/conduct.nl\/en\/wp-json\/wp\/v2\/posts\/2402\/revisions"}],"predecessor-version":[{"id":47419,"href":"https:\/\/conduct.nl\/en\/wp-json\/wp\/v2\/posts\/2402\/revisions\/47419"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/conduct.nl\/en\/wp-json\/wp\/v2\/media\/41988"}],"wp:attachment":[{"href":"https:\/\/conduct.nl\/en\/wp-json\/wp\/v2\/media?parent=2402"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/conduct.nl\/en\/wp-json\/wp\/v2\/categories?post=2402"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/conduct.nl\/en\/wp-json\/wp\/v2\/tags?post=2402"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}