1、Insulation coordination for equipment within low-voltage systemsPart 3: Use of coating, potting or moulding for protection against pollution (IEC 60664-3:2016)BS EN 60664-3:2017BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06EUROPEAN STANDARD NORME EUROPENNE EUROPISC
2、HE NORM EN 60664-3 June 2017 ICS 29.080.30 Supersedes EN 60664-3:2003 English Version Insulation coordination for equipment within low-voltage systems - Part 3: Use of coating, potting or moulding for protection against pollution (IEC 60664-3:2016) Coordination de lisolement des matriels dans les sy
3、stmes (rseaux) basse tension - Partie 3: Utilisation de revtement, dempotage ou de moulage pour la protection contre la pollution (IEC 60664-3:2016) Isolationskoordination fr elektrische Betriebsmittel in Niederspannungsanlagen - Teil 3: Anwendung von Beschichtungen, Eingieen oder Vergieen zum Schut
4、z gegen Verschmutzung (IEC 60664-3:2016) This European Standard was approved by CENELEC on 2016-12-09. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alterati
5、on. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CENELEC member. This European Standard exists in three official versions (English, French, German). A version in any other language mad
6、e by translation under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech R
7、epublic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the Unite
8、d Kingdom. European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2017 CENELEC All rights of exploitation in any form and by any means re
9、served worldwide for CENELEC Members. Ref. No. EN 60664-3:2017 E National forewordThis British Standard is the UK implementation of EN 60664-3:2017. It is identical to IEC 60664-3:2016. It supersedes BS EN 60664-3:2003+A1:2010, which is withdrawn.The UK participation in its preparation was entrusted
10、 to Technical Committee GEL/109, Insulation co-ordination for low voltage equipment.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its
11、 correct application. The British Standards Institution 2017 Published by BSI Standards Limited 2017ISBN 978 0 580 93185 7ICS 29.080.30Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of the Standards Policy and
12、Strategy Committee on 31 October 2017.Amendments/corrigenda issued since publicationDate Text affectedBRITISH STANDARDBS EN 60664-3:2017EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 60664-3 June 2017 ICS 29.080.30 Supersedes EN 60664-3:2003 English Version Insulation coordination for equipmen
13、t within low-voltage systems - Part 3: Use of coating, potting or moulding for protection against pollution (IEC 60664-3:2016) Coordination de lisolement des matriels dans les systmes (rseaux) basse tension - Partie 3: Utilisation de revtement, dempotage ou de moulage pour la protection contre la po
14、llution (IEC 60664-3:2016) Isolationskoordination fr elektrische Betriebsmittel in Niederspannungsanlagen - Teil 3: Anwendung von Beschichtungen, Eingieen oder Vergieen zum Schutz gegen Verschmutzung (IEC 60664-3:2016) This European Standard was approved by CENELEC on 2016-12-09. CENELEC members are
15、 bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to t
16、he CEN-CENELEC Management Centre or to any CENELEC member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Manage
17、ment Centre has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Irel
18、and, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europis
19、ches Komitee fr Elektrotechnische Normung CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2017 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members. Ref. No. EN 60664-3:2017 E BS EN 60664-3:2017EN 60664-3:2017 2 European foreword The
20、 text of document 109/153/FDIS, future edition 3 of IEC 60664-3, prepared by IEC/TC 109 “Insulation co-ordination for low-voltage equipment“ was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 60664-3:2017. The following dates are fixed: latest date by which the document has
21、 to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2017-12-16 latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2020-06-16 This document supersedes EN 60664-3:2003. Attention is drawn to the
22、 possibility that some of the elements of this document may be the subject of patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights. This document has been prepared under a mandate given to CENELEC by the European Commission and the European Free Trade As
23、sociation. Endorsement notice The text of the International Standard IEC 60664-3:2016 was approved by CENELEC as a European Standard without any modification. In the official version, for Bibliography, the following notes have to be added for the standards indicated: IEC 60194:2006 NOTE Harmonized a
24、s EN 60194:2006 BS EN 60664-3:2017EN 60664-3:2017 2 European foreword The text of document 109/153/FDIS, future edition 3 of IEC 60664-3, prepared by IEC/TC 109 “Insulation co-ordination for low-voltage equipment“ was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 60664-3:2
25、017. The following dates are fixed: latest date by which the document has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2017-12-16 latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2020-
26、06-16 This document supersedes EN 60664-3:2003. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights. This document has been prepared under a mandate g
27、iven to CENELEC by the European Commission and the European Free Trade Association. Endorsement notice The text of the International Standard IEC 60664-3:2016 was approved by CENELEC as a European Standard without any modification. In the official version, for Bibliography, the following notes have
28、to be added for the standards indicated: IEC 60194:2006 NOTE Harmonized as EN 60194:2006 EN 60664-3:2017 3 Annex ZA (normative) Normative references to international publications with their corresponding European publications The following documents, in whole or in part, are normatively referenced i
29、n this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. NOTE 1 When an International Publication has been modified by common modification
30、s, indicated by (mod), the relevant EN/HD applies. NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is available here: www.cenelec.eu. Publication Year Title EN/HD Year IEC 60068-2-1 - Environmental testing - Part 2-1: Tests - Test A: Cold EN 60068-
31、2-1 - IEC 60068-2-2 - Environmental testing - Part 2-2: Tests - Test B: Dry heat EN 60068-2-2 - IEC 60068-2-14 - Environmental testing - Part 2-14: Tests - Test N: Change of temperature EN 60068-2-14 - IEC 60068-2-78 - Environmental testing - Part 2-78: Tests - Test Cab: Damp heat, steady state EN 6
32、0068-2-78 - IEC 60326-2 1990 Printed boards - Part 2: Test methods - - + A1 2001 + A1 2001 IEC 60664-1 2007 Insulation coordination for equipment within low-voltage systems - Part 1: Principles, requirements and tests EN 60664-1 2007 IEC 61189-2 2006 Test methods for electrical materials, printed bo
33、ards and other interconnection structures and assemblies - Part 2: Test methods for materials for interconnection structures EN 61189-2 2006 IEC 61189-3 2007 Test methods for electrical materials, printed boards and other interconnection structures and assemblies - Part 3: Test methods for interconn
34、ection structures (printed boards) EN 61189-3 2008 IEC 61249-2 series Materials for printed boards and other interconnecting structures EN 61249-2 series IEC Guide 104 2010 The preparation of safety publications and the use of basic safety publications and group safety publications - - ISO/IEC Guide
35、 51 - Safety aspects - Guidelines for their inclusion in standards - - BS EN 60664-3:2017This page deliberately left blank 2 IEC 60664-3:2016 IEC 2016 CONTENTS FOREWORD . 4 INTRODUCTION . 6 1 Scope 7 2 Normative references 7 3 Terms and definitions 8 4 Design requirements 9 4.1 Principles 9 4.2 Appl
36、ication range with regards to the environment 9 4.3 Requirements for the types of protection . 10 4.4 Dimensioning procedures 10 5 Tests . 11 5.1 General . 11 5.2 Specimens for testing coatings . 11 5.3 Specimens for testing mouldings and potting 12 5.4 Preparation of test specimens . 12 5.5 Visual
37、examination 12 5.6 Scratch-resistance test . 12 5.7 Conditioning of the test specimens 13 5.7.1 General . 13 5.7.2 Cold conditioning . 13 5.7.3 Dry-heat conditioning . 13 5.7.4 Rapid change of temperature . 14 5.7.5 Damp heat, steady-state with polarizing voltage 15 5.8 Mechanical and electrical tes
38、ts after conditioning and electromigration . 15 5.8.1 General test conditions 15 5.8.2 Adhesion of coating . 15 5.8.3 Insulation resistance between conductors 16 5.8.4 Voltage test . 16 5.8.5 Partial discharge extinction voltage . 16 5.9 Additional tests . 16 5.9.1 General . 16 5.9.2 Resistance to s
39、oldering heat 17 5.9.3 Flammability 17 5.9.4 Solvent resistance . 17 Annex A (normative) Test sequences . 18 Annex B (normative) Decisions to be taken by the technical committees 20 B.1 General . 20 B.2 Decisions required by technical committees 20 B.3 Optional test conditions. 20 Annex C (normative
40、) Printed wiring board for testing coatings . 21 C.1 General . 21 C.2 Specification of the printed wiring board 21 C.3 Arrangement of the conductors . 21 C.4 Arrangement of lands 22 C.5 Connections for the tests 22 Bibliography 25 2 IEC 60664-3:2016 IEC 2016 CONTENTS FOREWORD . 4 INTRODUCTION . 6 1
41、Scope 7 2 Normative references 7 3 Terms and definitions 8 4 Design requirements 9 4.1 Principles 9 4.2 Application range with regards to the environment 9 4.3 Requirements for the types of protection . 10 4.4 Dimensioning procedures 10 5 Tests . 11 5.1 General . 11 5.2 Specimens for testing coating
42、s . 11 5.3 Specimens for testing mouldings and potting 12 5.4 Preparation of test specimens . 12 5.5 Visual examination 12 5.6 Scratch-resistance test . 12 5.7 Conditioning of the test specimens 13 5.7.1 General . 13 5.7.2 Cold conditioning . 13 5.7.3 Dry-heat conditioning . 13 5.7.4 Rapid change of
43、 temperature . 14 5.7.5 Damp heat, steady-state with polarizing voltage 15 5.8 Mechanical and electrical tests after conditioning and electromigration . 15 5.8.1 General test conditions 15 5.8.2 Adhesion of coating . 15 5.8.3 Insulation resistance between conductors 16 5.8.4 Voltage test . 16 5.8.5
44、Partial discharge extinction voltage . 16 5.9 Additional tests . 16 5.9.1 General . 16 5.9.2 Resistance to soldering heat 17 5.9.3 Flammability 17 5.9.4 Solvent resistance . 17 Annex A (normative) Test sequences . 18 Annex B (normative) Decisions to be taken by the technical committees 20 B.1 Genera
45、l . 20 B.2 Decisions required by technical committees 20 B.3 Optional test conditions. 20 Annex C (normative) Printed wiring board for testing coatings . 21 C.1 General . 21 C.2 Specification of the printed wiring board 21 C.3 Arrangement of the conductors . 21 C.4 Arrangement of lands 22 C.5 Connec
46、tions for the tests 22 Bibliography 25 BS EN 60664-3:2017IEC 60664-3:2016 IEC 2016 3 Figure 1 Scratch-resistance test for protecting layers . 13 Figure C.1 Configuration of the test specimen 23 Figure C.2 Configuration of lands and adjacent conductors 24 Table 1 Minimum spacings for type 2 protectio
47、n . 10 Table 2 Dry-heat conditioning 14 Table 3 Degrees of severities for rapid change of temperature . 14 Table A.1 Test sequence 1 18 Table A.2 Test sequence 2 additional conditioning with respect to electromigration . 19 Table A.3 Additional tests 19 BS EN 60664-3:2017IEC 60664-3:2016 IEC 2016 3
48、Figure 1 Scratch-resistance test for protecting layers . 13 Figure C.1 Configuration of the test specimen 23 Figure C.2 Configuration of lands and adjacent conductors 24 Table 1 Minimum spacings for type 2 protection . 10 Table 2 Dry-heat conditioning 14 Table 3 Degrees of severities for rapid chang
49、e of temperature . 14 Table A.1 Test sequence 1 18 Table A.2 Test sequence 2 additional conditioning with respect to electromigration . 19 Table A.3 Additional tests 19 4 IEC 60664-3:2016 IEC 2016 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ INSULATION COORDINATION FOR EQUIPMENT WITHIN LOW-VOLTAGE SYSTEMS Part 3: Use of coating, potting or moulding for protection against pollution FOREWORD 1) The International Electrotechnical Commission (IEC)
