{"id":252195,"date":"2024-10-19T16:38:48","date_gmt":"2024-10-19T16:38:48","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-505572011\/"},"modified":"2024-10-25T11:57:37","modified_gmt":"2024-10-25T11:57:37","slug":"bs-en-505572011","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-505572011\/","title":{"rendered":"BS EN 50557:2011"},"content":{"rendered":"<p>This European Standard applies to Automatic Reclosing Devices (hereinafter referred to as \u201cARD\u201d) for household and similar uses, for rated voltage not exceeding 440 V a.c. intended to be used in combination with circuit-breakers and\/or RCCBs and\/or RCBOs, and designed either for factory assembly or for assembly on site.<\/p>\n<p>These devices are intended to reclose main protective devices (hereinafter referred to as \u201cMPD\u201d) such as circuit-breakers complying to EN 60898-1 and\/or EN 60898-2, RCCBs complying to EN 61008-1 and RCBOs complying to EN 61009-1 after tripping of those devices in order to re-establish continuity of service.<\/p>\n<p>In detail, this European Standard applies to the following types of ARD:<\/p>\n<ul>\n<li>\n<p>ARD with assessment means, reclosing only if both the prospective line current and the prospective earth-fault current do not exceed given values;<\/p>\n<\/li>\n<li>\n<p>ARD with assessment means, reclosing only if the prospective line current does not exceed a given value;<\/p>\n<\/li>\n<li>\n<p>ARD with assessment means, reclosing only if the prospective earth-fault current does not exceed a given value;<\/p>\n<\/li>\n<li>\n<p>ARD that reclose without any assessment.<\/p>\n<\/li>\n<\/ul>\n<blockquote>\n<p>NOTE 1 The assessment cannot substitute the verifications required by HD 60364-6:2007.<\/p>\n<p>NOTE 2 The requirements and tests for the assessment function in IT systems are under consideration.<\/p>\n<\/blockquote>\n<p>This European Standard does not apply to ARDs with multiple settings adjustable by means accessible to the user in normal service.<\/p>\n<p>This European Standard states:<\/p>\n<ul>\n<li>\n<p>the terms and definitions used for ARD (Clause 3);<\/p>\n<\/li>\n<li>\n<p>the classification of ARD (Clause 4);<\/p>\n<\/li>\n<li>\n<p>the characteristics of ARD (Clause 5);<\/p>\n<\/li>\n<li>\n<p>the preferred values of the operating and influencing quantities (Clause 5);<\/p>\n<\/li>\n<li>\n<p>the marking and information to be provided for ARD (Clause 6);<\/p>\n<\/li>\n<li>\n<p>the standard conditions for installation and operation in service (Clause 7);<\/p>\n<\/li>\n<li>\n<p>the requirements for construction and operation (Clause 8);<\/p>\n<\/li>\n<li>\n<p>the list of minimum requirements to be tested (Clause 9).<\/p>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p><b>Requirements for automatic reclosing devices (ARDs) for circuit breakers-RCBOs-RCCBs for household and similar uses<\/b><\/p>\n<table class=\"shortdes-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\/bsi\/\"><b>BSI<\/b><\/a><\/td>\n<td>2012<\/td>\n<td>54<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":252201,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[511,2641],"product_tag":[],"class_list":{"0":"post-252195","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-29-120-50","7":"product_cat-bsi","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\/252195","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\/252201"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=252195"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=252195"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=252195"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}