1、 IEC 60320-1 Edition 3.0 2015-06 INTERNATIONAL STANDARD Appliance couplers for household and similar general purposes Part 1: General requirements IEC 60320-1:2015-06(en) THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2015 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified,
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10、.ch/csc If you wish to give us your feedback on this publication or need further assistance, please contact the Customer Service Centre: csciec.ch. IEC 60320-1 Edition 3.0 2015-06 INTERNATIONAL STANDARD Appliance couplers for household and similar general purposes Part 1: General requirements INTERN
11、ATIONAL ELECTROTECHNICAL COMMISSION ICS 29.120.30 ISBN 978-2-8322-2740-4 Registered trademark of the International Electrotechnical Commission Warning! Make sure that you obtained this publication from an authorized distributor. 2 IEC 60320-1:2015 IEC 2015 CONTENTS FOREWORD . 6 1 Scope 8 2 Normative
12、 references. 8 3 Terms and definitions 9 4 General requirements 12 5 General notes on tests . 13 5.1 General . 13 5.2 Test samples 13 5.3 Failures 13 5.4 Routine tests . 13 6 Standard ratings 14 7 Classification of appliance couplers . 14 8 Marking . 14 8.1 General . 14 8.2 Additional markings . 14
13、8.3 Appliance couplers for class II equipment 15 8.4 Symbols or alphanumeric notations . 15 8.5 Legibility of markings. 15 8.6 Terminal markings and wiring instructions 15 8.7 Durability 16 8.8 Test and inspection . 16 9 Dimensions and compatibility . 16 9.1 General . 16 9.2 Single pole connections
14、16 9.3 Compatibility . 16 9.4 Dimensions for standardized appliance couplers 17 9.5 Dimensions for non-standardized appliance couplers . 17 10 Protection against electric shock 17 10.1 Accessibility of live parts . 17 10.2 Protection against single pole connection 18 10.3 Protection against access t
15、o live parts . 18 10.4 External parts . 18 10.5 Shrouds 18 11 Provision for earthing . 18 12 Terminals and terminations 18 12.1 General . 18 12.2 Rewirable appliance couplers 19 12.3 Non rewirable appliance couplers 19 13 Construction 19 13.1 Risk of accidental contact 19 13.2 Contact positions 19 1
16、3.3 Parts covering live parts 19 13.4 Pin construction 20 13.4.1 Prevention of rotation . 20 13.4.2 Pin retention 20 IEC 60320-1:2015 IEC 2015 3 13.4.3 Non solid pins 20 13.5 Contact pressure . 21 13.6 Enclosure 21 13.6.1 General . 21 13.6.2 Rewirable connectors/plug connectors 21 13.6.3 Non-rewirab
17、le connectors/plug connectors 22 13.7 Earth connection . 22 13.8 Location of terminals and terminations . 23 13.8.1 General . 23 13.8.2 Free wire test for rewirable accessories 23 13.8.3 Free wire test for non-rewirable non-moulded-on accessories . 23 13.8.4 Free wire verification for non-rewirable
18、moulded-on accessories . 24 13.9 Connectors/plug connectors without earthing contact . 24 13.10 Fuses, relays, thermostats, thermal cut-outs and switches . 24 14 Moisture resistance . 24 15 Insulation resistance and electric strength 25 15.1 General . 25 15.2 Insulation resistance . 26 15.3 Dielectr
19、ic strength . 27 16 Forces necessary to insert and to withdraw the connector/appliance outlet . 28 16.1 General . 28 16.2 Verification of the maximum withdrawal force . 28 16.3 Verification of the minimum withdrawal force 30 17 Operation of contacts . 31 18 Resistance to heating of appliance coupler
20、s for hot conditions or very hot conditions 31 18.1 General . 31 18.2 Heating test for connectors/plug connectors . 31 18.3 Heating test for appliance inlets/appliance outlets 32 19 Breaking capacity 32 20 Normal operation . 34 21 Temperature rise . 34 22 Cords and their connection 35 22.1 Cords for
21、 non-rewirable connectors/plug connectors 35 22.2 Cord anchorage 36 22.2.1 General . 36 22.2.2 Additional requirements for rewirable connectors/plug connectors . 36 22.2.3 Pull test for cable anchorage 37 22.3 Flexing test . 39 23 Mechanical strength . 41 23.1 General . 41 23.2 Free fall test 42 23.
22、3 Lateral pull test . 42 23.4 Impact test 44 23.5 Deformation test 44 23.6 Torque and pull test 45 24 Resistance to heat and ageing . 45 4 IEC 60320-1:2015 IEC 2015 24.1 Resistance to heat 45 24.2 Resistance to ageing . 46 24.2.1 General . 46 24.2.2 Ageing test for elastomeric materials 46 24.2.3 Ag
23、eing test for thermoplastic materials . 46 24.2.4 Ageing test assessment . 46 25 Screws, current-carrying parts and connections 47 25.1 General . 47 25.2 Electrical connections . 48 25.3 Securement of connections . 48 25.4 Metallic parts 48 26 Clearances, creepage distances and solid insulation 49 2
24、6.1 General . 49 26.2 Clearances . 49 26.2.1 Dimensioning . 49 26.2.2 Minimum values for clearances 50 26.3 Creepage distances 51 26.3.1 Dimensioning . 51 26.3.2 Minimum creepage distances . 51 26.4 Solid insulation . 52 27 Resistance of insulating material to heat, fire and tracking 53 27.1 Resista
25、nce to heat and fire 53 27.1.1 General . 53 27.1.2 Object of the test . 53 27.1.3 General description of the test 53 27.1.4 Description of test apparatus 53 27.1.5 Degree of severity 53 27.1.6 Verification of the thermocouple . 54 27.1.7 Preconditioning 54 27.1.8 Initial measurements 54 27.1.9 Test
26、procedure . 54 27.1.10 Observations and measurements 54 27.1.11 Evaluation of test results 54 27.2 Resistance to tracking . 54 28 Resistance to rusting . 54 29 Electromagnetic compatibility (EMC) requirements . 55 29.1 Immunity Accessories not incorporating electronic components . 55 29.2 Emission A
27、ccessories not incorporating electronic components . 55 Annex A (normative) Proof tracking test . 56 Annex B (normative) Routine tests for factory wired appliance couplers related to safety . 57 B.1 General . 57 B.2 Polarized systems: Phase (L) and neutral (N) Correct connection 57 B.3 Earth (PE) co
28、ntinuity . 58 B.4 Short-circuit/wrong connection and reduction in creepage distance and clearance . 58 B.4.1 Accessible surface safety check . 58 B.4.2 Short-circuit/wrong connection . 58 IEC 60320-1:2015 IEC 2015 5 Annex C (normative) Test schedule 59 Annex D (informative) Comparison of typical con
29、ductor cross-sectional areas . 61 Bibliography . 62 Figure 1 Intended use of appliance couplers . 10 Figure 2 Device for testing non-solid pins . 21 Figure 3 Apparatus for checking the withdrawal force . 29 Figure 4 Gauge for verification of the minimum withdrawal force . 30 Figure 5 Circuit diagram
30、 for breaking capacity and normal operation tests . 33 Figure 6 Apparatus for testing the cord anchorage 37 Figure 7 Apparatus for the flexing test 40 Figure 8 Example of apparatus for pulling test 43 Table 1 Position of contacts . 19 Table 2 Maximum diameters of the cords 26 Table 3 Minimum insulat
31、ion resistance . 27 Table 4 Dielectric strength . 27 Table 5 Maximum and minimum withdrawal forces 28 Table 6 Ratings for the tests of Clause 19 . 33 Table 7 Ratings for the tests of Clause 20 34 Table 8 Cords and conductors for the tests of Clause 21 35 Table 9 Type and nominal cross-sectional area
32、 of cords . 36 Table 10 Types of cord for the rewirable connector/plug connector test . 38 Table 11 Values for the lateral pulls applied . 44 Table 12 Values for torque and pull forces 45 Table 13 Torque applied for the tightening and loosening test . 48 Table 14 Rated impulse withstand voltage for
33、appliance couplers energized directly from the low voltage mains 50 Table 15 Minimum clearances for basic insulation 51 Table 16 Minimum creepage distances for basic and functional insulation . 52 Table B.1 Test overview . 57 Table C.1 Test schedule 59 Table D.1 Comparison of conductor sizes . 61 6
34、IEC 60320-1:2015 IEC 2015 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ APPLIANCE COUPLERS FOR HOUSEHOLD AND SIMILAR GENERAL PURPOSES Part 1: General requirements FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national ele
35、ctrotechnical 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 Specif
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43、, property damage or other damage of any nature whatsoever, whether direct or indirect, or for costs (including 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 cit
44、ed in this publication. Use of the referenced publications is indispensable for the correct application of this 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 identifyi
45、ng any or all such patent rights. International Standard IEC 60320-1 has been prepared by subcommittee 23G: Appliance couplers, of IEC technical committee 23: Electrical accessories. This third edition cancels and replaces the second edition published in 2001 and Amendment 1:2007. This edition const
46、itutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) Standard sheets moved from IEC 60320-1 to IEC 60320-3. b) Clarification of requirements for non-standardized appliance couplers. IEC 60320-1:2015 IEC 2015 7 The tex
47、t of this standard is based on the following documents: FDIS Report on voting 23G/345/FDIS 23G/346/RVD Full information on the voting for the approval of this standard can be found in the report on voting indicated in the above table. This publication has been drafted in accordance with the ISO/IEC
48、Directives, Part 2. A list of all the parts in the IEC 60320 series, under the general title Appliance couplers for household and similar general purposes, can be found on the IEC website. Part 1 is to be used in conjunction with the following parts of the IEC 60320 series, if applicable. IEC 60320-
49、2-1, Appliance couplers for household and similar general purposes Part 2-1: Sewing machine couplers IEC 60320-2-3, Appliance coupler for household and similar general purposes Part 2-3: Appliance coupler with a degree of protection higher than IPX0 IEC 60320-2-4, Appliance couplers for household and similar general purposes Part 2-4: Couplers dependent on appliance weight for engagement IEC 60320-3, Appliance couplers for household and similar general purpose
