1、 IEC 62368-1Edition 2.0 2014-02INTERNATIONAL STANDARD NORME INTERNATIONALEAudio/video, information and communication technology equipment Part 1: Safety requirements quipements des technologies de laudio/vido, de linformation et de la communication Partie 1: Exigences de scurit IEC 62368-1:2014-02(e
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19、store.iec.ch/csc Si vous dsirez nous donner des commentaires sur cette publication ou si vous avez des questions contactez-nous: csciec.ch. IEC 62368-1 Edition 2.0 2014-02 INTERNATIONAL STANDARD NORME INTERNATIONALE Audio/video, information and communication technology equipment Part 1: Safety requi
20、rements quipements des technologies de laudio/vido, de linformation et de la communication Partie 1: Exigences de scurit INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE XH ICS 33.160.01, 35.020 PRICE CODE CODE PRIX ISBN 978-2-8322-1405-3 Registered trademark of t
21、he International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale Warning! Make sure that you obtained this publication from an authorized distributor. Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agr. colourinsi
22、de 2 62368-1 IEC:2014 CONTENTS FOREWORD . 19 INTRODUCTION . 22 0 Principles of this product safety standard 22 0.1 Objective . 22 0.2 Persons . 22 0.2.1 General 22 0.2.2 Ordinary person 22 0.2.3 Instructed person 22 0.2.4 Skilled person . 22 0.3 Model for pain and injury 22 0.4 Energy sources 23 0.5
23、 Safeguards 24 0.5.1 General 24 0.5.2 Equipment safeguard 25 0.5.3 Installation safeguard . 25 0.5.4 Personal safeguard. 25 0.5.5 Behavioural safeguards 26 0.5.6 Safeguards during ordinary or instructed person service conditions . 27 0.5.7 Equipment safeguards during skilled person service condition
24、s . 27 0.5.8 Examples of safeguard characteristics 27 0.6 Electrically-caused pain or injury (electric shock) . 28 0.6.1 Models for electrically-caused pain or injury . 28 0.6.2 Models for protection against electrically-caused pain or injury . 29 0.7 Electrically-caused fire . 30 0.7.1 Models for e
25、lectrically-caused fire . 30 0.7.2 Models for protection against electrically-caused fire 31 0.8 Injury caused by hazardous substances . 31 0.9 Mechanically-caused injury 32 0.10 Thermally-caused injury (skin burn) . 32 0.10.1 Models for thermally-caused injury . 32 0.10.2 Models for protection agai
26、nst thermally-caused pain or injury . 33 0.11 Radiation-caused injury . 34 1 Scope 36 2 Normative references 37 3 Terms, definitions and abbreviations . 43 3.1 Energy source abbreviations 43 3.2 Other abbreviations . 43 3.3 Terms and definitions . 44 3.3.1 Circuit terms . 46 3.3.2 Enclosure terms 46
27、 3.3.3 Equipment terms 47 3.3.4 Flammability terms . 47 3.3.5 Insulation 49 3.3.6 Miscellaneous . 49 62368-1 IEC:2014 3 3.3.7 Operating and fault conditions 51 3.3.8 Persons 52 3.3.9 Potential ignition sources 52 3.3.10 Ratings . 53 3.3.11 Safeguards . 53 3.3.12 Spacings 55 3.3.13 Temperature contro
28、ls 55 3.3.14 Voltages and currents . 55 3.3.15 Classes of equipment with respect to protection from electric shock 56 3.3.16 Chemical terms . 57 3.3.17 Batteries . 57 4 General requirements 59 4.1 General 59 4.1.1 Application of requirements and acceptance of materials, components and subassemblies
29、. 59 4.1.2 Use of components . 59 4.1.3 Equipment design and construction 59 4.1.4 Equipment installation 60 4.1.5 Constructions and components not specifically covered 60 4.1.6 Orientation during transport and use . 60 4.1.7 Choice of criteria 60 4.1.8 Conductive liquids 60 4.1.9 Electrical measuri
30、ng instruments 60 4.1.10 Temperature measurements . 60 4.1.11 Steady state conditions . 61 4.1.12 Hierarchy of safeguards 61 4.1.13 Examples mentioned in the standard 61 4.1.14 Tests on parts or samples separate from the end-product . 61 4.1.15 Markings and instructions . 61 4.2 Energy source classi
31、fications . 61 4.2.1 Class 1 energy source 61 4.2.2 Class 2 energy source 62 4.2.3 Class 3 energy source 62 4.2.4 Energy source classification by declaration . 62 4.3 Protection against energy sources . 62 4.3.1 General 62 4.3.2 Safeguards for protection of an ordinary person . 62 4.3.3 Safeguards f
32、or protection of an instructed person . 64 4.3.4 Safeguards for protection of a skilled person 64 4.3.5 Safeguards in a restricted access area . 65 4.4 Safeguards 66 4.4.1 Equivalent materials or components . 66 4.4.2 Composition of a safeguard 66 4.4.3 Accessible parts of a safeguard 66 4.4.4 Safeg
33、uard robustness . 66 4.5 Explosion . 68 4.5.1 General 68 4.5.2 Requirements . 68 4 62368-1 IEC:2014 4.6 Fixing of conductors . 69 4.6.1 Requirements . 69 4.6.2 Compliance criteria . 69 4.7 Equipment for direct insertion into mains socket-outlets . 69 4.7.1 General 69 4.7.2 Requirements . 69 4.7.3 Co
34、mpliance criteria . 70 4.8 Products containing lithium coin / button cell batteries . 70 4.8.1 General 70 4.8.2 Instructional safeguard . 70 4.8.3 Construction . 70 4.8.4 Tests 71 4.8.5 Compliance criteria . 71 4.9 Likelihood of fire or shock due to entry of conductive objects . 72 5 Electrically-ca
35、used injury . 72 5.1 General 72 5.2 Classification and limits of electrical energy sources 73 5.2.1 Electrical energy source classifications . 73 5.2.2 Electrical energy source ES1 and ES2 limits . 73 5.3 Protection against electrical energy sources 79 5.3.1 General 79 5.3.2 Accessibility to electri
36、cal energy sources and safeguards . 79 5.4 Insulation materials and requirements 81 5.4.1 General 81 5.4.2 Clearances . 87 5.4.3 Creepage distances 97 5.4.4 Solid insulation . 101 5.4.5 Antenna terminal insulation. 110 5.4.6 Insulation of internal wire as a part of a supplementary safeguard . 111 5.
37、4.7 Tests for semiconductor components and for cemented joints 111 5.4.8 Humidity conditioning . 111 5.4.9 Electric strength test . 112 5.4.10 Safeguards against transient voltages from external circuits . 115 5.4.11 Separation between external circuits and earth . 117 5.5 Components as safeguards 1
38、18 5.5.1 General 118 5.5.2 Capacitors and RC units . 118 5.5.3 Transformers 120 5.5.4 Optocouplers 120 5.5.5 Relays 120 5.5.6 Resistors 120 5.5.7 SPDs 120 5.5.8 Insulation between the mains and an external circuit consisting of a coaxial cable . 121 5.6 Protective conductor 121 5.6.1 General 121 5.6
39、.2 Requirements for protective conductors 121 5.6.3 Requirements for protective earthing conductors 122 62368-1 IEC:2014 5 5.6.4 Requirements for protective bonding conductors 123 5.6.5 Terminals for protective conductors 125 5.6.6 Resistance of the protective bonding system 126 5.6.7 Reliable earth
40、ing 128 5.7 Prospective touch voltage, touch current and protective conductor current. 128 5.7.1 General 128 5.7.2 Measuring devices and networks 128 5.7.3 Equipment set-up, supply connections and earth connections . 128 5.7.4 Earthed accessible conductive parts . 129 5.7.5 Protective conductor curr
41、ent . 129 5.7.6 Prospective touch voltage and touch current due to external circuits 130 5.7.7 Summation of touch currents from external circuits . 131 6 Electrically-caused fire 133 6.1 General 133 6.2 Classification of power sources (PS) and potential ignition sources (PIS) 133 6.2.1 General 133 6
42、.2.2 Power source circuit classifications 133 6.2.3 Classification of potential ignition sources 136 6.3 Safeguards against fire under normal operating conditions and abnormal operating conditions . 137 6.3.1 Requirements . 137 6.3.2 Compliance criteria . 138 6.4 Safeguards against fire under single
43、 fault conditions 138 6.4.1 General 138 6.4.2 Reduction of the likelihood of ignition under single fault conditions in PS1 circuits 138 6.4.3 Reduction of the likelihood of ignition under single fault conditions in PS2 circuits and PS3 circuits . 138 6.4.4 Control of fire spread in PS1 circuits . 14
44、0 6.4.5 Control of fire spread in PS2 circuits . 140 6.4.6 Control of fire spread in a PS3 circuit . 141 6.4.7 Separation of combustible materials from a PIS 142 6.4.8 Fire enclosures and fire barriers . 144 6.5 Internal and external wiring 149 6.5.1 Requirements . 149 6.5.2 Compliance criteria . 14
45、9 6.5.3 Requirements for interconnection to building wiring. . 149 6.5.4 Compliance criteria . 150 6.6 Safeguards against fire due to the connection of additional equipment. 150 7 Injury caused by hazardous substances 150 7.1 General 150 7.2 Reduction of exposure to hazardous substances 150 7.3 Ozon
46、e exposure . 150 7.4 Use of personal safeguards (PPE) . 150 7.5 Use of instructional safeguards and instructions 151 7.6 Batteries and their protection circuits . 151 8 Mechanically-caused injury 151 8.1 General 151 6 62368-1 IEC:2014 8.2 Mechanical energy source classifications . 151 8.2.1 General
47、classification . 151 8.2.2 MS1 153 8.2.3 MS2 153 8.2.4 MS3 153 8.3 Safeguards against mechanical energy sources . 153 8.4 Safeguards against parts with sharp edges and corners 153 8.4.1 Requirements . 153 8.4.2 Compliance criteria . 154 8.5 Safeguards against moving parts . 154 8.5.1 Requirements .
48、154 8.5.2 Instructional safeguard requirements 154 8.5.3 Compliance criteria . 155 8.5.4 Special categories of equipment comprising moving parts 155 8.5.5 High pressure lamps . 157 8.6 Stability of equipment 158 8.6.1 Requirements . 158 8.6.2 Static stability . 159 8.6.3 Relocation stability test .
49、160 8.6.4 Glass slide test . 160 8.6.5 Horizontal force test and compliance criteria. 161 8.7 Equipment mounted to a wall or ceiling 161 8.7.1 Requirements . 161 8.7.2 Test methods 161 8.7.3 Compliance criteria . 163 8.8 Handle strength . 163 8.8.1 General 163 8.8.2 Test method and compliance criteria 163 8.9 Wheels or casters attachment requirements . 163 8.9.1 General 163 8.9.2 Test method . 164 8.10 Carts, stands, and similar carriers 164 8.10.1 General 1
