IEC 60669-1-2017 Switches for household and similar fixed electrical installations - Part 1 General requirements《家用和类似的固定电气设施用开关.第1部分 一般要求》.pdf

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1、 IEC 60669-1 Edition 4.0 2017-02 REDLINE VERSION Switches for household and similar fixed electrical installations Part 1: General requirements IEC 60669-1:2017-02 RLV(en) colour inside THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2017 IEC, Geneva, Switzerland All rights reserved. Unless otherw

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9、glossary 65 000 electrotechnical terminology entries in English and French extracted from the Terms and Definitions clause of IEC publications issued since 2002. Some entries have been collected from earlier publications of IEC TC 37, 77, 86 and CISPR. IEC Customer Service Centre - webstore.iec.ch/c

10、sc If you wish to give us your feedback on this publication or need further assistance, please contact the Customer Service Centre: csciec.ch. IEC 60669-1 Edition 4.0 2017-02 REDLINE VERSION Switches for household and similar fixed electrical installations Part 1: General requirements INTERNATIONAL

11、ELECTROTECHNICAL COMMISSION ICS 29.120.40 ISBN 978-2-8322-3999-5 Registered trademark of the International Electrotechnical Commission Warning! Make sure that you obtained this publication from an authorized distributor. colour inside 2 IEC 60669-1:2017 RLV IEC 2017 CONTENTS FOREWORD . 7 1 Scope 10

12、2 Normative references 11 3 Terms and definitions 13 4 General requirements 18 5 General notes remarks on tests . 18 6 Ratings 21 6.1 Rated voltage . 21 6.2 Rated current 21 6.3 Preferred combinations of number of poles and ratings . 22 7 Classification . 23 8 Marking . 24 8.1 General . 24 8.2 Symbo

13、ls 25 8.3 Visibility of markings . 27 8.4 Marking on terminals for phase conductors . 28 8.5 Marking on terminals for neutral and earth conductors 28 8.6 Marking of the switch position . 28 8.7 Additional requirements for marking 29 8.8 Durability 29 9 Checking of dimensions . 30 10 Protection again

14、st electric shock . 30 10.1 Prevention of access to live parts 30 10.2 Requirements for operating parts 30 10.3 Requirements for accessible metal parts . 31 10.4 Requirements for insulation of the mechanism 31 10.5 Requirements for insulation of the mechanism with respect to the surrounding environm

15、ent 32 10.6 Requirements for switches operated indirectly 32 10.7 Requirements for switches with replaceable pull cord . 32 11 Provision for earthing 32 11.1 General . 32 11.2 Earthing terminals . 33 11.3 Requirements for surface-type switches 33 11.4 Test for earthing connection 33 12 Terminals 33

16、12.1 General . 33 12.2 Terminals with screw clamping for external copper conductors . 34 12.3 Screwless terminals for external copper conductors 41 13 Constructional requirements 47 13.1 Mechanical requirements for insulating means 47 13.2 Installation requirements . 47 13.3 Fixing of covers, cover

17、plates and actuating members 48 13.4 Openings in normal use 50 13.5 Attachment of knobs . 50 IEC 60669-1:2017 RLV IEC 2017 3 13.6 Mounting means . 50 13.7 Combination of switches . 50 13.8 Accessories combined with switches . 50 13.9 Surface-type switches having an IP code higher than IP20 50 13.10

18、Installation in a box . 51 13.11 Connection of a second current-carrying conductor . 51 13.12 Inlet openings . 51 13.13 Provision for back entry from a conduit . 53 13.14 Switch provided with membranes or the like for inlet openings 53 13.15 Requirements for membranes in inlet openings . 53 13.16 Pi

19、lot light units 54 14 Mechanism 54 14.1 Indication of the position . 54 14.2 Rest and intermediate position 54 14.3 Undue arcing 54 14.4 Making and breaking . 54 14.5 Action of the mechanism without cover or cover plate . 55 14.6 Pull force for cord-operated switches 55 15 Resistance to ageing, to h

20、armful ingress of water protection provided by enclosures of switches and resistance to humidity . 55 15.1 Resistance to ageing 55 15.2 Resistance to harmful ingress of water 15.2 Protection provided by enclosures of switches 57 15.2.1 General . 57 15.2.2 Protection against access to hazardous parts

21、 and against harmful effects due to ingress of solid foreign objects 57 15.2.3 Protection against harmful effects due to ingress of water . 58 15.3 Resistance to humidity 59 16 Insulation resistance and electric strength . 59 16.1 General . 59 16.2 Test for measuring the insulation resistance . 59 1

22、6.3 Electric strength test . 62 17 Temperature rise . 65 17.1 General . 65 17.2 Switches incorporating pilot lights . 66 18 Making and breaking capacity 67 18.1 General . 67 18.2 Overload . 67 18.3 Overload test with filament lamps . 69 19 Normal operation . 69 19.1 Test for switches intended for in

23、ductive loads . 69 19.2 Test for switches intended for externally ballasted lamp loads 72 19.3 Test for switches intended for self ballasted lamp loads 74 20 Mechanical strength 78 20.1 General . 78 20.2 Pendulum hammer test . 78 20.3 Test on the main parts of surface-type switches 81 20.4 Screwed g

24、lands 81 4 IEC 60669-1:2017 RLV IEC 2017 20.5 Covers, cover plates or actuating members accessibility to live parts . 82 20.5.1 General . 82 20.5.2 Verification of the non-removal of covers, cover plates or actuating members . 82 20.5.3 Verification of the removal of covers, cover plates or actuatin

25、g members. 82 20.6 Covers, cover plates or actuating members accessibility to non-earthed metal parts separated from live parts 82 20.7 Covers, cover plates or actuating members accessibility to insulating parts, earthed metal parts, the live parts of SELV 25 V AC or metal parts separated from live

26、parts 83 20.8 Covers, cover plates or actuating members application of gauges 83 20.9 Grooves, holes and reverse tapers . 83 20.10 Additional test for cord-operated switch 83 21 Resistance to heat . 84 21.1 General . 84 21.2 Basic heating test . 84 21.3 Ball-pressure test on parts of insulating mate

27、rial necessary to retain current- carrying parts and parts of the earthing circuit in position 84 21.4 Ball-pressure test on parts of insulating material not necessary to retain current-carrying parts and parts of the earthing circuit in position 85 22 Screws, current-carrying parts and connections

28、. 85 22.1 General . 85 22.2 Correct insertion of screws . 86 22.3 Contact pressure of electrical connections 86 22.4 Screws and rivets, used both as electrical and mechanical connections 86 22.5 Material of current-carrying parts 86 22.6 Contacts subjected to sliding actions 87 22.7 Thread-forming a

29、nd thread-cutting screws 87 23 Creepage distances, clearances and distances through sealing compound 88 23.1 General . 88 23.2 Insulating compound . 91 24 Resistance of insulating material to abnormal heat, to fire and to tracking . 91 24.1 Resistance to abnormal heat and to fire 91 24.2 Resistance

30、to tracking . 92 25 Resistance to rusting . 92 26 EMC requirements . 93 26.1 Immunity . 93 26.2 Emission . 93 Annex A (normative) Survey of specimens needed for tests . (normative) Additional requirements for switches having facilities for the Annex A outlet and retention of flexible cables 119 Anne

31、x B (informative) Changes planned for the future in order to align IEC 60669-1 with the requirements of IEC 60998 (all parts), IEC 60999 (all parts) and IEC 60228 122 Annex C (informative) Circuit development (19.3) 139 C.1 Rationale 139 C.2 I peakand I 2 t for normal operation tests 139 C.2.1 Gener

32、al . 139 C.2.2 Switching a single lamp . 139 C.2.3 Switching multiple lamps . 141 IEC 60669-1:2017 RLV IEC 2017 5 Annex D (informative) Additional requirements for insulation-piercing terminals . 143 Annex E (informative) Additional requirements and tests for switches intended to be used at a temper

33、ature lower than 5 C 153 Bibliography 155 Figure 1 Pillar terminals . 94 Figure 2 Screw head terminals and stud terminals . 96 Figure 3 Saddle terminals 97 Figure 4 Lug terminals . 98 Figure 5 Mantle terminals. 99 Figure 6 Thread-forming screw 99 Figure 7 Thread-cutting screw 99 Figure 8 Classificat

34、ion according to connections 100 Figure 9 Standard test finger Figure 9 Test apparatus for checking damage to conductors 102 Figure 10 Information for deflection test . 103 Figure 11 Circuit diagrams for making and breaking capacity and normal operation . 105 Figure 12 Apparatus for making and break

35、ing capacity and normal operation tests Figure 12 Circuit diagrams for testing switches 106 Figure 13 Arrangement for test on cover-plates 106 Figure 14 Gauge (thickness: about 2 mm) for the verification of the outline of covers, cover-plates or actuating members . 107 Figure 15 Impact test apparatu

36、s . Figure 15 Example of application of the gauge of Figure 14 on covers fixed without screws on a mounting surface or supporting surface . 108 Figure 16 Pendulum impact test apparatus (striking element) Figure 16 Examples of applications of the gauge of Figure 14 in accordance with the requirements

37、 of 20.8 . 110 Figure 17 Mounting support for sample Figure 17 Gauge for verification of grooves, holes and reverse tapers . 111 Figure 18 Mounting support for flush type switches Figure 18 Sketch showing the direction of application of the gauge of Figure 17 112 Figure 19 Ball-pressure apparatus .

38、113 Figure 20 Determining parts of insulating material to be tested Diagrammatic representation (see 24.1) 113 Figure 21 Test wall in accordance with the requirements of 15.2.3 . 114 Figure 22 Direction for the conductor pull of 30 N for 1 min 116 Figure 23 Examples of membranes and grommets . 117 F

39、igure C.1 120 V 15 W (LT spice model) 140 Figure C.2 230 V 15 W (LT spice model) 141 Figure C.3 Model for multiple lamp loads . 142 Figure C.4 I peakand I 2 t for multiple lamp loads 142 Figure D.1 Example of insulation-piercing terminals . 151 Figure D.2 Example of test-points 151 Figure D.3 Temper

40、ature cycle for the voltage drop test of 12.4.11 . 152 6 IEC 60669-1:2017 RLV IEC 2017 Table 1 Number of specimens needed for the tests 19 Table 2 Relationship between rated current of the switch and rated power of the SBL circuit 21 Table 3 Preferred combinations of numbers of poles and ratings . 2

41、2 Table 4 Relationship between rated currents and connectable cross-sectional areas of copper conductors 34 Table 5 Tightening torque for the verification of the mechanical strength of screw- type terminals . 36 Table 6 Composition of conductors Table 6 Test values for flexion and pull out for coppe

42、r conductors . 37 Table 7 Test values for pulling out test . 38 Table 8 Relationship between rated currents and connectable cross-sectional areas of copper conductors for screwless terminals 41 Table 9 Test current for the verification of electrical and thermal stresses in normal use of screwless te

43、rminals 44 Table 10 Cross-sectional areas of rigid copper conductors for deflection test of screwless terminals 46 Table 11 Deflection test forces . 46 Table 12 Forces to be applied to covers, cover-plates or actuating members whose fixing is not dependent on screws . 49 Table 13 External cable diam

44、eter limits for surface type switches 52 Table 14 Points of application of the test voltage for the verification of insulation resistance and electric strength 61 Table 15 Test voltage, points of application and minimum values of insulating resistance for the verification of dielectric strength 63 T

45、able 16 Temperature-rise test currents and cross-sectional areas of copper conductors 65 Table 17 Fractions of total number of operations 68 Table 18 Number of operations for normal operation test . 70 Table 19 Values for I peakand I 2 t depending on the type of distribution system . 75 Table 20 Cal

46、culated circuit parameters 76 Table 21 Height of fall for impact test . 79 Table 22 Torque for the verification of the mechanical strength of glands 81 Table 23 Creepage distances, clearances and distances through insulating sealing compound . 89 Table A.1 Limits of external dimensions of flexible c

47、ables 120 Table C.1 Lamp . 139 Table D.1 Specimens needed for Clause 12 for insulation-piercing terminals (IPTs) 144 Table D.2 Relationship between rated currents and connectable cross-sectional areas of copper conductors for insulation-piercing terminals . 146 Table D.3 Test current for the verific

48、ation of electrical and thermal stresses in normal use of insulation-piercing terminals . 150 IEC 60669-1:2017 RLV IEC 2017 7 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ SWITCHES FOR HOUSEHOLD AND SIMILAR FIXED ELECTRICAL INSTALLATIONS Part 1: General requirements FOREWORD 1) The International Elect

49、rotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical 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, T