{"id":239459,"date":"2024-10-19T15:39:49","date_gmt":"2024-10-19T15:39:49","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-60664-32017\/"},"modified":"2024-10-25T10:22:04","modified_gmt":"2024-10-25T10:22:04","slug":"bs-en-60664-32017","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-60664-32017\/","title":{"rendered":"BS EN 60664-3:2017"},"content":{"rendered":"<p>This part of <span class=\"std\"> <span class=\"std-ref\">IEC&nbsp;60664<\/span> <\/span> applies to assemblies protected against pollution by the use of <b>coating<\/b>, potting or moulding, thus allowing a reduction of clearance and creepage distances as described in <span class=\"std\"> <span class=\"std-ref\">IEC&nbsp;60664\u20111<\/span> <\/span>.<\/p>\n<p>This document describes the requirements and test procedures for two methods of <b>protection<\/b>:<\/p>\n<ul>\n<li>\n<p>type&nbsp;1 <b>protection<\/b> improves the microenvironment of the parts under the <b>protection<\/b>;<\/p>\n<\/li>\n<li>\n<p>type&nbsp;2 <b>protection<\/b> is considered to be similar to <b>solid insulation<\/b>.<\/p>\n<\/li>\n<\/ul>\n<p>This document also applies to all kinds of protected <b>printed boards<\/b>, including the surface of inner layers of multi-layer boards, substrates and similarly protected assemblies. In the case of multi-layer <b>printed boards<\/b>, the distances through an inner layer are covered by the requirements for <b>solid insulation<\/b> in <span class=\"std\"> <span class=\"std-ref\">IEC&nbsp;60664\u20111<\/span> <\/span>.<\/p>\n<div class=\"non-normative-note\">\n<div class=\"note-label\">\n  NOTE\n <\/div>\n<p>Examples of substrates are hybrid integrated circuits and thick-film technology.<\/p>\n<\/div>\n<p>This document refers only to permanent <b>protection<\/b>. It does not cover assemblies that are subjected to mechanical adjustment or repair.<\/p>\n<p>The principles of this standard are applicable to functional, basic, supplementary and reinforced insulation.<\/p>\n<h4>PDF Catalog<\/h4>\n<table border=\"1px\" class=\"des-table\">\n<tr>\n<th>PDF Pages<\/th>\n<th>PDF Title<\/th>\n<\/tr>\n<tr>\n<td><b>2<b><\/td>\n<td>National foreword  <\/td>\n<\/tr>\n<tr>\n<td><b>7<b><\/td>\n<td>English <br \/> CONTENTS  <\/td>\n<\/tr>\n<tr>\n<td><b>9<b><\/td>\n<td>FOREWORD  <\/td>\n<\/tr>\n<tr>\n<td><b>11<b><\/td>\n<td>INTRODUCTION  <\/td>\n<\/tr>\n<tr>\n<td><b>12<b><\/td>\n<td>1 Scope <br \/> 2 Normative references  <\/td>\n<\/tr>\n<tr>\n<td><b>13<b><\/td>\n<td>3 Terms and definitions  <\/td>\n<\/tr>\n<tr>\n<td><b>14<b><\/td>\n<td>4 Design requirements <br \/> 4.1 Principles <br \/> 4.2 Application range with regards to the environment  <\/td>\n<\/tr>\n<tr>\n<td><b>15<b><\/td>\n<td>4.3 Requirements for the types of protection  <br \/> 4.4 Dimensioning procedures <br \/> Tables <br \/> Table 1 \u2013 Minimum spacings for type 2 protection  <\/td>\n<\/tr>\n<tr>\n<td><b>16<b><\/td>\n<td>5 Tests  <br \/> 5.1 General <br \/> 5.2 Specimens for testing coatings  <\/td>\n<\/tr>\n<tr>\n<td><b>17<b><\/td>\n<td>5.3 Specimens for testing mouldings and potting <br \/> 5.4 Preparation of test specimens <br \/> 5.5 Visual examination <br \/> 5.6 Scratch-resistance test  <\/td>\n<\/tr>\n<tr>\n<td><b>18<b><\/td>\n<td>5.7 Conditioning of the test specimens <br \/> 5.7.1 General <br \/> 5.7.2 Cold conditioning <br \/> 5.7.3 Dry-heat conditioning <br \/> Figures <br \/> Figure 1 \u2013 Scratch-resistance test for protecting layers  <\/td>\n<\/tr>\n<tr>\n<td><b>19<b><\/td>\n<td>5.7.4 Rapid change of temperature <br \/> Table\u00a02 \u2013 Dry-heat conditioning <br \/> Table 3 \u2013 Degrees of severities for rapid change of temperature  <\/td>\n<\/tr>\n<tr>\n<td><b>20<b><\/td>\n<td>5.7.5 Damp heat, steady-state with polarizing voltage <br \/> 5.8 Mechanical and electrical tests after conditioning and electromigration <br \/> 5.8.1 General test conditions <br \/> 5.8.2 Adhesion of coating   <\/td>\n<\/tr>\n<tr>\n<td><b>21<b><\/td>\n<td>5.8.3 Insulation resistance between conductors <br \/> 5.8.4 Voltage test <br \/> 5.8.5 Partial discharge extinction voltage <br \/> 5.9 Additional tests <br \/> 5.9.1 General  <\/td>\n<\/tr>\n<tr>\n<td><b>22<b><\/td>\n<td>5.9.2 Resistance to soldering heat <br \/> 5.9.3 Flammability <br \/> 5.9.4 Solvent resistance  <\/td>\n<\/tr>\n<tr>\n<td><b>23<b><\/td>\n<td>Annex\u00a0A (normative)Test sequences <br \/> Table A.1 \u2013 Test sequence 1  <\/td>\n<\/tr>\n<tr>\n<td><b>24<b><\/td>\n<td>Table A.2 \u2013 Test sequence 2 additional conditioning with respect to electromigration <br \/> Table A.3 \u2013 Additional tests  <\/td>\n<\/tr>\n<tr>\n<td><b>25<b><\/td>\n<td>Annex\u00a0B (normative)Decisions to be taken by the technical committees <br \/> B.1 General  <br \/> B.2 Decisions required by technical committees  <br \/> B.3 Optional test conditions   <\/td>\n<\/tr>\n<tr>\n<td><b>26<b><\/td>\n<td>Annex\u00a0C (normative)Printed wiring board for testing coatings <br \/> C.1 General  <br \/> C.2 Specification of the printed wiring board  <br \/> C.3 Arrangement of the conductors   <\/td>\n<\/tr>\n<tr>\n<td><b>27<b><\/td>\n<td>C.4 Arrangement of lands  <br \/> C.5 Connections for the tests   <\/td>\n<\/tr>\n<tr>\n<td><b>28<b><\/td>\n<td>Figure C.1 \u2013 Configuration of the test specimen  <\/td>\n<\/tr>\n<tr>\n<td><b>29<b><\/td>\n<td>Figure C.2 \u2013 Configuration of landsand adjacent conductors  <\/td>\n<\/tr>\n<tr>\n<td><b>30<b><\/td>\n<td>Bibliography  <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p><b>Insulation coordination for equipment within low-voltage systems &#8211; Use of coating, potting or moulding for protection against pollution<\/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>2017<\/td>\n<td>32<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":239464,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[498,2641],"product_tag":[],"class_list":{"0":"post-239459","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-29-080-30","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\/239459","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\/239464"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=239459"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=239459"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=239459"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}