{"id":5061,"date":"2026-06-13T23:53:35","date_gmt":"2026-06-13T20:53:35","guid":{"rendered":"https:\/\/aesinn.com\/iec-61439-8-2026-fotovoltaik-panolar\/"},"modified":"2026-07-26T20:43:52","modified_gmt":"2026-07-26T17:43:52","slug":"iec-61439-8-2026-fotovoltaik-panolar","status":"publish","type":"post","link":"https:\/\/aesinn.com\/en\/iec-61439-8-2026-fotovoltaik-panolar\/","title":{"rendered":"IEC 61439-8:2026: New Standard for Photovoltaic (SPP) Panels"},"content":{"rendered":"<p class=\"wp-block-paragraph\">As solar power plants (SPPs) become more widespread, a specific standard has been published for low-voltage switchgear for photovoltaic installations: <strong>IEC 61439-8:2026<\/strong> (Ed. 1.0, March 2026) \u2014 \u201cLow-voltage switchgear (PVA) used in photovoltaic installations\u201d. This article summarizes what the standard brings and its importance in terms of controlling solar power plant switchgear.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What is IEC 61439-8?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">IEC 61439, low voltage <strong>board layouts (assemblies)<\/strong> It is a series of standards that define design and verification requirements. <strong>IEC 61439-8:2026<\/strong>, This is the new 8th episode of the series, and specifically... <strong>panels used in photovoltaic (SPP) installations<\/strong> \u2014This applies to DC combination boxes (including combiner boxes). It is subject to the general guidelines within the series (IEC 61439-1) and other sections.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Why was a specific standard needed for solar power panels?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Photovoltaic panels face different challenges than classic distribution panels: a significant one <strong>DC side<\/strong>, external environmental conditions, <strong>solar radiation<\/strong> and associated temperature effects and mechanical loads. IEC 61439-8 brings together design, performance and verification rules that take these specific conditions into account.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Key topics covered by the standard<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n\n<li>Interface characteristics and service (operating) conditions<\/li>\n\n\n<li>Structural requirements and forms of internal separation<\/li>\n\n\n<li>Performance requirements and temperature rise (including simulated solar radiation testing)<\/li>\n\n\n<li>Design verification and routine verification<\/li>\n\n\n<li>Mechanical strength tests (static load, door strength, impact, torsion)<\/li>\n\n\n<li>Examples of PV array combination boxes (single and multi-array)<\/li>\n\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Critical points in terms of checking solar power panels.<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The primary considerations for our authorized engineers during field inspection and verification of solar power panels are:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n\n<li>Inside the panel <strong>visual and functional control<\/strong>; connection densities and labeling<\/li>\n\n\n<li><strong>Thermographic examination<\/strong> Detection of heated connections\/components<\/li>\n\n\n<li>DC side protection, isolation and combination box safety.<\/li>\n\n\n<li>Compliance of internal isolation and protection class (IP) with field conditions.<\/li>\n\n\n<li>Overcurrent protection and selectivity coordination.<\/li>\n\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">AES Innovation provides electrical control, thermography, and verification services for photovoltaic (GES) systems. <strong>authorized engineers<\/strong> It is presented in accordance with relevant standards and legislation. Our related services and content include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n\n<li><a href=\"https:\/\/aesinn.com\/en\/enerji-danismanligi\/ges-fotovoltaik-sistem-muayenesi\/\">Inspection of Solar Energy (SPP \/ Photovoltaic) Systems<\/a><\/li>\n\n\n<li><a href=\"https:\/\/aesinn.com\/en\/iec-60364-8-82-2026-prosumer\/\">IEC 60364-8-82:2026: A New Era in Prosumer Installations<\/a><\/li>\n\n\n<li><a href=\"https:\/\/aesinn.com\/en\/termografik-muayene-rehberi\/\">Thermographic Inspection Guide \u2014 Panel Temperature<\/a><\/li>\n\n\n<li><a href=\"https:\/\/aesinn.com\/en\/asiri-akim-korumasi-ve-sigorta-salter-koordinasyonu\/\">Overcurrent Protection and Fuse\/Switch Coordination<\/a><\/li>\n\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Frequently Asked Questions<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">What is IEC 61439-8?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">IEC 61439 is the new 8th part of the low-voltage switchgear series. Published in March 2026, IEC 61439-8:2026 defines the design and verification requirements for switchgear \u2014 including DC combination boxes \u2014 used in photovoltaic (SPP) installations.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">What is PVA (photovoltaic panel arrangement)?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">PVA stands for PhotoVoltaic Assembly, a low-voltage switchgear used in photovoltaic installations. It includes DC combination boxes and switchgear solutions specific to solar power plants.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">What is the difference between IEC 61439-8 and IEC 61439-1\/2?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">IEC 61439-1 provides the general rules for the series; IEC 61439-2 covers power switchgear layouts. IEC 61439-8 defines additional conditions specific to photovoltaic installations (DC side, solar radiation, outdoor environment) and is applied in conjunction with the general rules.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">What is checked during a solar power panel inspection?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Visual and functional inspection, connection tightness, thermographic examination, DC side protection and isolation, internal isolation and protection class, and overcurrent protection selectivity are evaluated.<\/p>","protected":false},"excerpt":{"rendered":"<p>As solar power plants (SPPs) become more widespread, a specific standard for low-voltage switchgear in photovoltaic installations has been published: IEC 61439-8:2026 (Ed. 1.0, March 2026)...<\/p>","protected":false},"author":1,"featured_media":2568,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kadence_starter_templates_imported_post":false,"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","slim_seo":{"title":"IEC 61439-8:2026 Photovoltaic (PVA) Panels | AES","description":"IEC 61439-8:2026: Low-voltage switchgear layouts (PVA) for photovoltaic (SPP) installations. DC combination boxes, solar radiation testing and verification requirements.","noindex":""},"footnotes":""},"categories":[15],"tags":[],"class_list":["post-5061","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-standartlar"],"acf":[],"taxonomy_info":{"category":[{"value":15,"label":"Standartlar"}]},"featured_image_src_large":["https:\/\/aesinn.com\/wp-content\/uploads\/aes-thumbnail.png",768,768,false],"author_info":{"display_name":"Emre Metin","author_link":"https:\/\/aesinn.com\/en\/author\/yonetim\/"},"comment_info":"","category_info":[{"term_id":15,"name":"Standartlar","slug":"standartlar","term_group":0,"term_taxonomy_id":15,"taxonomy":"category","description":"","parent":0,"count":40,"filter":"raw","cat_ID":15,"category_count":40,"category_description":"","cat_name":"Standartlar","category_nicename":"standartlar","category_parent":0}],"tag_info":false,"_links":{"self":[{"href":"https:\/\/aesinn.com\/en\/wp-json\/wp\/v2\/posts\/5061","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aesinn.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/aesinn.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/aesinn.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/aesinn.com\/en\/wp-json\/wp\/v2\/comments?post=5061"}],"version-history":[{"count":1,"href":"https:\/\/aesinn.com\/en\/wp-json\/wp\/v2\/posts\/5061\/revisions"}],"predecessor-version":[{"id":5920,"href":"https:\/\/aesinn.com\/en\/wp-json\/wp\/v2\/posts\/5061\/revisions\/5920"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/aesinn.com\/en\/wp-json\/wp\/v2\/media\/2568"}],"wp:attachment":[{"href":"https:\/\/aesinn.com\/en\/wp-json\/wp\/v2\/media?parent=5061"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aesinn.com\/en\/wp-json\/wp\/v2\/categories?post=5061"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aesinn.com\/en\/wp-json\/wp\/v2\/tags?post=5061"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}