IEC 61984-2008 Connectors - Safety requirements and tests《连接器.安全要求和试验》.pdf

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1、 IEC 61984Edition 2.0 2008-10INTERNATIONAL STANDARD NORME INTERNATIONALEConnectors Safety requirements and tests Connecteurs Exigences de scurit et essais IEC61984:2008THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2008 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no

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16、RD NORME INTERNATIONALEConnectors Safety requirements and tests Connecteurs Exigences de scurit et essais INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE XICS 31.220.10 PRICE CODECODE PRIXISBN 2-8318-1001-8 Registered trademark of the International Electrotechnic

17、al Commission Marque dpose de la Commission Electrotechnique Internationale 2 61984 IEC:2008 CONTENTS FOREWORD.5 1 Scope.7 2 Normative references .7 3 Terms and definitions .9 4 Technical information (electrical ratings) 14 5 Classification14 5.1 General .14 5.2 Classification according to protectio

18、n against electric shock14 5.3 Classification according to the style of connector 14 5.4 Classification according to additional characteristics of connectors .14 6 Constructional requirements and performance15 6.1 General .15 6.2 Marking and identification15 6.2.1 Identification15 6.2.2 Marking .15

19、6.2.3 Marking of position for contacts .16 6.3 Provision against incorrect mating (non-intermateable) .16 6.4 Protection against electric shock .17 6.4.1 Non accessibility of live parts 17 6.4.2 Non applicability of protection requirement to unenclosed connectors17 6.4.3 Protection against electric

20、shock during insertion and withdrawal 17 6.5 Provisions for earthing 17 6.5.1 First make, last break PE contact .17 6.5.2 PE contacts on connector for class II equipment17 6.5.3 Reliability of connection to PE contacts .18 6.5.4 Connection of the protective conductor18 6.6 Terminations and connectio

21、n methods.18 6.6.1 General .18 6.6.2 Type and range of conductor cross-sectional areas .20 6.6.3 Design of electrical connections 20 6.7 Interlock 20 6.8 Resistance to ageing.20 6.9 General design20 6.9.1 Polarisation .20 6.9.2 Fixing of live parts .20 6.9.3 Connection of conductors 20 6.9.4 Design

22、of non rewirable connectors.20 6.10 Design of a CBC21 6.11 Design of a free connector 21 6.12 Degree of protection (IP Code)21 6.13 Dielectric strength .21 6.14 Mechanical and electrical durability .21 6.14.1 Mechanical endurance (COC and CBC).21 6.14.2 Electrical endurance (CBC) .21 6.14.3 Bendings

23、 (non-rewirable connectors).21 6.15 Temperature limits 22 61984 IEC:2008 3 6.16 Temperature rise.23 6.17 Cable clamp 23 6.18 Mechanical strength 23 6.18.1 Robustness of connectors .23 6.18.2 Retention of contacts.23 6.18.3 Integrity of internal insulation.24 6.19 Clearances and creepage distances 24

24、 6.19.1 Clearances 24 6.19.2 Creepage distances.24 6.20 Insulation 25 6.20.1 Functional and basic insulation25 6.20.2 Supplementary insulation 25 6.20.3 Double insulation.25 6.20.4 Reinforced insulation.25 6.21 Protection against corrosion 25 7 Tests 26 7.1 General .26 7.1.1 Test sequence and number

25、 of specimens 26 7.1.2 Specimens condition26 7.1.3 Atmospheric conditions26 7.1.4 Number of specimens for tests on terminations .26 7.1.5 Failure criteria .26 7.1.6 Visual examination tests26 7.2 Preparation of specimens26 7.2.1 Pre-conditioning 26 7.2.2 Conductors26 7.2.3 Torque for screw-type clam

26、ping units 27 7.2.4 Assembly conditions27 7.3 Performance of tests .27 7.3.1 General .27 7.3.2 Durability of marking27 7.3.3 “First make, last break” protective earthing contact27 7.3.4 Interlock 27 7.3.5 Breaking capacity of a CBC .27 7.3.6 Protection against electric shock .28 7.3.7 Protection aga

27、inst solid foreign objects and against ingress of water.28 7.3.8 Temperature rise .29 7.3.9 Mechanical operation 31 7.3.10 Bending (flexing) test.31 7.3.11 Measurement of clearances and creepage distances.33 7.3.12 Dielectric strength .33 7.3.13 Resistance between accessible metal parts and the prot

28、ective earthing contact.34 7.3.14 Corrosion test34 7.4 In-process test schedule (routine test) for non-rewirable free connectors 34 7.4.1 General .34 7.4.2 Impulse withstand voltage test.34 7.4.3 Continuity of PE path test 34 7.4.4 AC power-frequency voltage withstand test .34 4 61984 IEC:2008 7.5 T

29、est schedule35 Annex A (informative) Information to be specified in the detail specification, if any, or manufacturers specification .41 Annex B (informative) Additional information on connector classification43 Bibliography45 Figure 1a Test arrangement for temperature rise test of two-part connecto

30、rs .30 Figure 1b Test arrangement for temperature rise test of two-part connectors on printed circuit boards 30 Figure 1c Test arrangement for temperature rise test of edge-socket connectors.31 Figure 1 Test arrangements for temperature rise tests .31 Figure 2 Device for the bending test 32 Table 1

31、Minimum cross-sectional area of the protective conductor or the connection to inactive accessible metal parts .18 Table 2 Compliant termination and connection methods.19 Table 3 Tests on connections and terminations19 Table 4 Mechanical and electrical durability.22 Table 4a Operating cycles Preferre

32、d values22 Table 4b Bendings Preferred values 22 Table 5 Temperature limits 22 Table 5a Lower limiting temperature (LLT) Preferred values .22 Table 5b Upper limiting temperature (ULT) Preferred values.22 Table 6 Values for cable clamp testing.23 Table 7 Length of the connecting cable and conductor l

33、oops .29 Table 8 Test voltages.33 Table 9 Plan of specimens required for tests35 Table 10 Mechanical test group A 35 Table 11 Service life test group B 37 Table 12 Thermal test group C.38 Table 13 Climatic test group D.39 Table 14 Degree of protection, test group E.40 Table B.1 Scheme of connectors4

34、3 Table B.2 Help for the classification of connectors .44 61984 IEC:2008 5 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ CONNECTORS SAFETY REQUIREMENTS AND TESTS FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national elec

35、trotechnical committees (IEC National Committees). The object of IEC is to promote international co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and in addition to other activities, IEC publishes International Standards, Technical Specifi

36、cations, Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with may participate in this preparatory work. Internatio

37、nal, governmental and non-governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely with the International Organization for Standardization (ISO) in accordance with conditions determined by agreement between the two organizations. 2) The formal d

38、ecisions or agreements of IEC on technical matters express, as nearly as possible, an international consensus of opinion on the relevant subjects since each technical committee has representation from all interested IEC National Committees. 3) IEC Publications have the form of recommendations for in

39、ternational use and are accepted by IEC National Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any misinterpretation by any end user. 4) In

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42、 shall attach to IEC or its directors, employees, servants or agents including individual experts and members of its technical committees and IEC National Committees for any personal injury, property damage or other damage of any nature whatsoever, whether direct or indirect, or for costs (including

43、 legal fees) and expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC Publications. 8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is indispensable for the correct application of this

44、 publication. 9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent rights. IEC shall not be held responsible for identifying any or all such patent rights. International Standard IEC 61984 has been prepared by subcommittee 48B: Conne

45、ctors, of IEC technical committee 48: Electromechanical components and mechanical structures for electronic equipment. The text of this standard is based on the following documents: FDIS Report on voting 48B/1927/FDIS 48B/1947/RVD Full information on the voting for the approval of this standard can

46、be found in the report on voting indicated in the above table. This publication has been drafted in accordance with the ISO/IEC Directives, Part 2. This second edition cancels and replaces the first edition published in 2001. This edition constitutes a technical revision. 6 61984 IEC:2008 This editi

47、on included the following significant technical changes with respect to the previous edition: 1) Addition in the scope of the statement that this standard may be used as a guide for connectors with rated current higher than 125 A per pole. 2) New definitions added and improvement of existing definit

48、ions. 3) In Clause 5, the classification referred to protection against electric shock and that of connector for class II equipment were added. 4) In 6.4 (Protection against electric shock), it is clarified that all parts which are necessary to ensure protection against electric shock shall only be

49、removable by the aid of a tool. 5) Table 2 and Table 3 are added for better readability and connecting methods updated to current status of standardisation. 6) Values for cable clamp testing in Table 6 are adopted according to EN 50262 and no tests are required if metric cable glands according to this standard are used. 7) Tables in 6.19 are deleted and the text refers to IEC 60664. 8) Tabl