{"id":568391,"date":"2024-11-05T19:09:59","date_gmt":"2024-11-05T19:09:59","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/iec-60947-9-12019\/"},"modified":"2024-11-05T19:09:59","modified_gmt":"2024-11-05T19:09:59","slug":"iec-60947-9-12019","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/iec\/iec-60947-9-12019\/","title":{"rendered":"IEC 60947-9-1:2019"},"content":{"rendered":"<p>IEC 60947-9-1:2019 covers low-voltage arc quenching devices, hereinafter referred to as AQDs, which are intended to eliminate arc-faults in low-voltage assemblies (typically low-voltage switchgear and controlgear assemblies in accordance with the IEC 61439 series), by creating a lower impedance current path, to cause the arcing current to transfer to the new current path. This new current path is maintained until a short-circuit protection device (SCPD) interrupts the short-circuit current.<br \/>\nAQDs are installed in low-voltage assemblies, connected to the main circuit, preferably as close as possible to all primary power sources.<br \/>\n<span>Their rated voltage does not exceed 1 000 V AC or 1 500 V DC.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p><b>Low-voltage switchgear and controlgear &#8211; Part 9-1: Active arc-fault mitigation systems &#8211; Arc quenching devices<\/b><\/p>\n<table style=\"width: 100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td>Published By<\/td>\n<td>Publication Date<\/td>\n<td>Number of Pages<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/pdfstandards.shop\/product-category\/publishers\/iec\/\"><b>IEC<\/b><\/a><\/td>\n<td>2019-01-16<\/td>\n<td>42<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":568403,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[510,517,2636],"product_tag":[],"class_list":{"0":"post-568391","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-29-120-40","7":"product_cat-29-130-20","8":"product_cat-iec","10":"first","11":"instock","12":"sold-individually","13":"shipping-taxable","14":"purchasable","15":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/568391","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/568403"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=568391"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=568391"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=568391"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}