IEC 62368-1:2014
(Main)Audio/video, information and communication technology equipment - Part 1: Safety requirements
Audio/video, information and communication technology equipment - Part 1: Safety requirements
IEC 62368-1:2014 deals with the safety of electrical and electronic equipment within the field of audio, video, information and communication technology, and business and office machines with a rated voltage not exceeding 600 V. This standard does not include requirements for performance or functional characteristics of equipment. Examples of equipment within the scope of this standard are given in Annex A. A rated voltage of 600 V is considered to include equipment rated at 400/690 V. This part of IEC 62368 is also applicable to: components and subassemblies intended for incorporation in this equipment. Such components and subassemblies need not comply with every requirement of the standard, provided that the complete equipment, incorporating such components and subassemblies, does comply; external power supply units intended to supply other equipment within the scope of this part of IEC 62368 and accessories intended to be used with equipment within the scope of this part of IEC 62368. This part of IEC 62368 does not apply to power supply systems which are not an integral part of the equipment, such as motor-generator sets, battery backup systems and distribution transformers. This part of IEC 62328 specifies safeguards for ordinary persons, instructed persons, and skilled persons. Additional requirements may apply for equipment that is clearly designed or intended for use by children or specifically attractive to children. This second edition cancels and replaces the first edition published in 2010. It constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
- addition of requirements for LEDs;
- new requirements for wall and ceiling mounting means;
- addition of acoustic shock requirements for personal music players;
- revision of the battery requirements, including new requirements for coin/button cell batteries and revision of the burn requirements. Key words: Audio/Video, Safeguards, Information, Communication The contents of the corrigenda of February 2015 and November 2015 have been included in this copy.
Equipements des technologies de l'audio/vidéo, de l'information et de la communication - Partie 1: Exigences de sécurité
L'IEC 62368-1:2014 s'applique à la sécurité de l'équipement électrique et électronique dans le domaine des technologies audio, vidéo, d'information et de communication, et des machines commerciales ou de bureau dont la tension assignée est inférieure ou égale à 600 V. La présente norme ne contient ni les exigences de performances ni les caractéristiques fonctionnelles de l'équipement. Des exemples d'équipement relevant du domaine d'application de la présente norme sont donnés dans l'Annexe A. Une tension assignée de 600 V est considérée inclure les équipements ayant une tension assignée de 400/690V. La présente partie de la CEI 62368 s'applique également: aux composants et aux sous-ensembles destinés à être intégrés dans cet équipement. Il n'est pas nécessaire que ces composants et sous-ensembles soient conformes à toutes les exigences présentées dans la norme, à condition que l'équipement complet, qui intègre ces composants et sous-ensembles, le soit, aux alimentations externes destinées à alimenter d'autres équipements entrant dans le domaine d'application de la présente partie de la CEI 62368 et aux accessoires destinés à être utilisés avec des équipements entrant dans le domaine d'application de la présente partie de la CEI 62368. La présente partie de la CEI 62368 ne s'applique pas aux systèmes d'alimentation électrique ne faisant pas partie intégrante de l'équipement, tels que les groupes convertisseurs, les systèmes de batterie de secours et les transformateurs de distribution. La présente partie de la CEI 62368 spécifie des protections pour les personnes ordinaires, les personnes averties et les personnes qualifiées. Des exigences supplémentaires peuvent s'appliquer aux équipements clairement conçus ou destinés à être utilisés par des enfants ou particulièrement attrayants pour les enfants. Cette deuxième édition annule et remplace la première édition publiée en 2010. Elle constitue une révision technique. Cette édition inclut les modifications techniques majeures suivantes par rapport à l'édition précédente:
- addition des exigences pour les LED;
- nouvelles exigences pour les dispositifs montés sur un mur et un plafond;
- addition des exigences relatives aux chocs acoustiques pour les lecteurs de musique individuels;
- révision des exigences relatives aux piles et batteries, avec de nouvelles exigences concernant les piles et accumulateurs boutons;
- révision des exigences relatives aux brûlures. Mots-clés: Audio/Vidéo, Protection, Information, Communication Le contenu des corrigendas de février 2015 et novembre 2015 a été pris en considération dans cet exemplaire.
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Standards Content (Sample)
IEC 62368-1
®
Edition 2.0 2014-02
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Audio/video, information and communication technology equipment –
Part 1: Safety requirements
Équipements des technologies de l'audio/vidéo, de l'information et de la
communication –
Partie 1: Exigences de sécurité
IEC 62368-1:2014-02(en-fr)
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IEC 62368-1
®
Edition 2.0 2014-02
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Audio/video, information and communication technology equipment –
Part 1: Safety requirements
Équipements des technologies de l'audio/vidéo, de l'information et de la
communication –
Partie 1: Exigences de sécurité
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
CODE PRIX XH
ICS 33.160.01, 35.020 ISBN 978-2-8322-1405-3
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 agréé.
® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale
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– 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 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
conditions . 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 electrically-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 against 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
3.3.3 Equipment terms . 47
3.3.4 Flammability terms . 47
3.3.5 Insulation . 49
3.3.6 Miscellaneous . 49
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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 controls . 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 . 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 measuring 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 classifications . 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 for 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 Safeguard robustness . 66
4.5 Explosion . 68
4.5.1 General . 68
4.5.2 Requirements . 68
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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 Compliance 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-caused 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 electrical 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
5.4.7 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 . 118
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
5.6.2 Requirements for protective conductors . 121
5.6.3 Requirements for protective earthing conductors . 122
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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 earthing . 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 current . 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
6.2.2 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 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 . 140
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 . 149
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 Ozone 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
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8.2 Mechanical energy source classifications . 151
8.2.1 General 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 . 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 . 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
...
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