{"id":568389,"date":"2024-11-05T19:09:59","date_gmt":"2024-11-05T19:09:59","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/iec-60947-82021\/"},"modified":"2024-11-05T19:09:59","modified_gmt":"2024-11-05T19:09:59","slug":"iec-60947-82021","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/iec\/iec-60947-82021\/","title":{"rendered":"IEC 60947-8:2021"},"content":{"rendered":"<p>IEC 60947-8:2021 specifies requirements for control units, which control a switching device in response to the PTC thermistors incorporated in rotating electrical machines and the industrial application.<br \/>\nThis second edition cancels and replaces the first edition published in 2003, Amendment 1:2006 and Amendment 2:2011. This edition constitutes a technical revision.<br \/>\nThis edition includes the following significant technical changes with respect to the previous edition:<\/p>\n<ol>\n<li>safety aspects related to:<\/li>\n<\/ol>\n<ul>\n<li>general aspects;<\/li>\n<li>limited energy circuits;<\/li>\n<li>electronic circuits;<\/li>\n<\/ul>\n<ol start=\"2\">\n<li>alignment to IEC 60947-1:2020;<\/li>\n<li>wire break detection function;<\/li>\n<li>the term detector is replaced by thermistor;<\/li>\n<li>reference to IEC 60738-1-4.<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p><b>Low-voltage switchgear and controlgear &#8211; Part 8: Control units for built-in thermal protection (PTC) for rotating electrical machines<\/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>2021-07-28<\/td>\n<td>86<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":568401,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[517,2636],"product_tag":[],"class_list":{"0":"post-568389","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-29-130-20","7":"product_cat-iec","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/568389","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\/568401"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=568389"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=568389"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=568389"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}