IEC 62031:2008
(Main)LED modules for general lighting - Safety specifications
LED modules for general lighting - Safety specifications
This International Standard specifies general and safety requirements for light-emitting diode (LED) modules:
- LED modules without integral control gear for operation under constant voltage, constant current or constant power;
- self-ballasted LED modules for use on d.c. supplies up to 250 V or a.c. supplies up to 1 000 V at 50 Hz or 60 Hz.
Modules de DEL pour éclairage général - Spécifications de sécurité
La présente Norme internationale spécifie les exigences générales et les exigences de sécurité relatives aux modules de diodes électroluminescentes (DEL):
- modules de DEL sans appareillage d'alimentation intégré pour fonctionnement sous tension constante, courant constant ou puissance constante;
- modules de DEL à ballast intégré pour utilisation sur des alimentations à courant continu jusqu'à 250 V ou à courant alternatif 50 Hz ou 60 Hz jusqu'à 1 000 V.
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IEC 62031
Edition 1.0 2008-01
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
LED modules for general lighting – Safety specifications
Modules de DEL pour éclairage général – Spécifications de sécurité
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by
any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either IEC or
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IEC 62031
Edition 1.0 2008-01
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
LED modules for general lighting – Safety specifications
Modules de DEL pour éclairage général – Spécifications de sécurité
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
P
CODE PRIX
ICS 29.140.99 ; 31.080.99 ISBN 2-8318-9503-0
– 2 – 62031 © IEC:2008
CONTENTS
FOREWORD.3
INTRODUCTION.5
1 Scope.6
2 Normative references .6
3 Terms and definitions .7
4 General requirements .8
5 General test requirements .8
6 Classification.9
7 Marking .9
7.1 Mandatory marking for built-in or independent modules.9
7.2 Location of marking .10
7.3 Durability and legibility of marking .10
8 Terminals .10
9 Provisions for protective earthing .10
10 Protection against accidental contact with live parts .10
11 Moisture resistance and insulation.10
12 Electric strength .10
13 Fault conditions .11
13.1 General .11
13.2 Overpower condition .11
14 Conformity testing during manufacture .11
15 Construction .11
16 Creepage distances and clearances .11
17 Screws, current-carrying parts and connections.11
18 Resistance to heat, fire and tracking.12
19 Resistance to corrosion .12
Annex A (normative) Tests.13
Annex B (informative) Overview of systems composed of LED modules and control
gear .14
Annex C (informative) Conformity testing during manufacture .15
Bibliography.16
Figure B.1 – Overview of systems composed of LED modules and control gear .14
62031 © IEC:2008 – 3 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
___________
LED MODULES FOR GENERAL LIGHTING –
SAFETY SPECIFICATIONS
FOREWORD
1) The International Electrotechnical 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, Technical Specifications,
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. International, 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 decisions 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 international 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 order to promote international uniformity, IEC National Committees undertake to apply IEC Publications
transparently to the maximum extent possible in their national and regional publications. Any divergence
between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in
the latter.
5) IEC provides no marking procedure to indicate its approval and cannot be rendered responsible for any
equipment declared to be in conformity with an IEC Publication.
6) All users should ensure that they have the latest edition of this publication.
7) No liability 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 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 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 62031 has been prepared by subcommittee 34A: Lamps, of IEC
technical committee 34: Lamps and related equipment.
The text of this first edition is based on the following documents:
FDIS Report on voting
34A/1237/FDIS 34A/1256/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 Directives, Part 2.
– 4 – 62031 © IEC:2008
NOTE In this standard, the following print types are used:
– Requirements proper: in roman type.
– Test specifications: in italic type.
– Explanatory matter: in smaller roman type.
The committee has decided that the contents of this publication will remain unchanged until
the maintenance result date indicated on the IEC web site under "http://webstore.iec.ch" in
the data related to the specific publication. At this date, the publication will be
• reconfirmed;
• withdrawn;
• replaced by a revised edition, or
• amended.
62031 © IEC:2008 – 5 –
INTRODUCTION
The first edition of a safety standard for LED modules for general lighting applications
acknowledges the need for relevant tests for this new source of electrical light, sometimes
called “solid state lighting”.
The provisions in the standard represent the technical knowledge of experts from the fields of
the semiconductor industry and those of the traditional electrical light sources.
Two types of LED modules are covered: with integral and external control gear.
– 6 – 62031 © IEC:2008
LED MODULES FOR GENERAL LIGHTING –
SAFETY SPECIFICATIONS
1 Scope
This International Standard specifies general and safety requirements for light-emitting diode
(LED) modules:
٭ LED modules without integral control gear for operation under constant voltage, constant
current or constant power;
٭ self-ballasted LED modules for use on d.c. supplies up to 250 V or a.c. supplies up to
1 000 V at 50 Hz or 60 Hz.
NOTE 1 The safety requirements for separate control gear are s
...
IEC 62031 ®
Edition 1.1 2012-10
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
LED modules for general lighting – Safety specifications
Modules de DEL pour éclairage général – Spécifications de sécurité
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form
or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from
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If you have any questions about IEC copyright or have an enquiry about obtaining additional rights to this publication,
please contact the address below or your local IEC member National Committee for further information.
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utilisée sous quelque forme que ce soit et par aucun procédé, électronique ou mécanique, y compris la photocopie et les
microfilms, sans l'accord écrit de la CEI ou du Comité national de la CEI du pays du demandeur.
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publication, utilisez les coordonnées ci-après ou contactez le Comité national de la CEI de votre pays de résidence.
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3, rue de Varembé Fax: +41 22 919 03 00
CH-1211 Geneva 20 info@iec.ch
Switzerland www.iec.ch
About the IEC
The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes
International Standards for all electrical, electronic and related technologies.
About IEC publications
The technical content of IEC publications is kept under constant review by the IEC. Please make sure that you have the
latest edition, a corrigenda or an amendment might have been published.
Useful links:
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by a variety of criteria (reference number, text, technical electrical terms containing more than 30 000 terms and
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withdrawn publications. Electrotechnical Vocabulary (IEV) on-line.
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A propos de la CEI
La Commission Electrotechnique Internationale (CEI) est la première organisation mondiale qui élabore et publie des
Normes internationales pour tout ce qui a trait à l'électricité, à l'électronique et aux technologies apparentées.
A propos des publications CEI
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Elle donne aussi des informations sur les projets et les les termes équivalents dans les langues additionnelles.
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contactez-nous: csc@iec.ch.
IEC 62031 ®
Edition 1.1 2012-10
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
LED modules for general lighting – Safety specifications
Modules de DEL pour éclairage général – Spécifications de sécurité
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 29.140.99; 31.080.99 ISBN 978-2-8322-0476-4
– 2 – 62031 IEC:2008+A1:2012
CONTENTS
FOREWORD . 3
INTRODUCTION . 5
1 Scope . 6
2 Normative references . 6
3 Terms and definitions . 7
4 General requirements . 8
5 General test requirements . 9
6 Classification . 9
7 Marking . 9
7.1 Mandatory marking for built-in or independent modules . 9
7.2 Location of marking . 10
7.3 Durability and legibility of marking . 10
8 Terminals . 11
9 Provisions for protective earthing . 11
10 Protection against accidental contact with live parts . 11
11 Moisture resistance and insulation . 11
12 Electric strength . 11
13 Fault conditions . 11
13.1 General . 11
13.2 Overpower condition . 11
14 Conformity testing during manufacture . 12
15 Construction . 12
16 Creepage distances and clearances . 12
17 Screws, current-carrying parts and connections . 12
18 Resistance to heat, fire and tracking . 12
19 Resistance to corrosion . 12
20 Information for luminaire design . 12
21 Heat management . 12
21.1 General . 12
21.2 Heat-conducting foil and paste . 13
21.3 Heat protection (under consideration) . 13
21.4 Construction . 13
Annex A (normative) Tests . 14
Annex B (informative) Overview of systems composed of LED modules and control gear . 15
Annex C (informative) Conformity testing during manufacture . 16
Annex D (informative) Information for luminaire design . 17
Bibliography . 20
Figure 1 – Symbol for built-in LED modules . 10
Figure B.1 – Overview of systems composed of LED modules and control gear . 15
Figure D.1 – Diagrammatic cross section of an LED module (blue) fixed by means of
a lampholder (yellow) to a luminaire (light blue, with symbolised cooling fins) . 18
62031 IEC:2008+A1:2012 – 3 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
___________
LED MODULES FOR GENERAL LIGHTING –
SAFETY SPECIFICATIONS
FOREWORD
1) The International Electrotechnical 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, Technical Specifications,
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. International, 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 decisions 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 international 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 order to promote international uniformity, IEC National Committees undertake to apply IEC Publications
transparently to the maximum extent possible in their national and regional publications. Any divergence
between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in
the latter.
5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity
assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any
services carried out by independent certification bodies.
6) All users should ensure that they have the latest edition of this publication.
7) No liability 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 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 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.
This consolidated version of IEC 62031 consists of the first edition (2008) [documents
34A/1237/FDIS and 34A/1256/RVD] and its amendment 1 (2012) [documents
34A/1608/FDIS and 34A/1628/RVD]. It bears the edition number 1.1.
The technical content is therefore identical to the base edition and its amendment and
has been prepared for user convenience. A vertical line in the margin shows where the
base publication has been modified by amendment 1. Additions and deletions are
displayed in red, with deletions being struck through.
– 4 – 62031 IEC:2008+A1:2012
International Standard IEC 62031 has been prepared by subcommittee 34A: Lamps, of IEC
technical committee 34: Lamps and related
...
IEC 62031 ®
Edition 1.2 2014-09
CONSOLIDATED
VERSION
VERSION
CONSOLIDÉE
colour
inside
LED modules for general lighting – Safety specifications
Modules de DEL pour éclairage général – Spécifications de sécurité
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form
or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from
either IEC or IEC's member National Committee in the country of the requester. If you have any questions about IEC
copyright or have an enquiry about obtaining additional rights to this publication, please contact the address below or
your local IEC member National Committee for further information.
Droits de reproduction réservés. Sauf indication contraire, aucune partie de cette publication ne peut être reproduite
ni utilisée sous quelque forme que ce soit et par aucun procédé, électronique ou mécanique, y compris la photocopie
et les microfilms, sans l'accord écrit de l'IEC ou du Comité national de l'IEC du pays du demandeur. Si vous avez des
questions sur le copyright de l'IEC ou si vous désirez obtenir des droits supplémentaires sur cette publication, utilisez
les coordonnées ci-après ou contactez le Comité national de l'IEC de votre pays de résidence.
IEC Central Office Tel.: +41 22 919 02 11
3, rue de Varembé Fax: +41 22 919 03 00
CH-1211 Geneva 20 info@iec.ch
Switzerland www.iec.ch
About the IEC
The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes
International Standards for all electrical, electronic and related technologies.
About IEC publications
The technical content of IEC publications is kept under constant review by the IEC. Please make sure that you have the
latest edition, a corrigenda or an amendment might have been published.
IEC Catalogue - webstore.iec.ch/catalogue Electropedia - www.electropedia.org
The stand-alone application for consulting the entire The world's leading online dictionary of electronic and
bibliographical information on IEC International Standards, electrical terms containing more than 30 000 terms and
Technical Specifications, Technical Reports and other definitions in English and French, with equivalent terms in 14
documents. Available for PC, Mac OS, Android Tablets and additional languages. Also known as the International
iPad. Electrotechnical Vocabulary (IEV) online.
IEC publications search - www.iec.ch/searchpub IEC Glossary - std.iec.ch/glossary
The advanced search enables to find IEC publications by a More than 55 000 electrotechnical terminology entries in
variety of criteria (reference number, text, technical English and French extracted from the Terms and Definitions
committee,…). It also gives information on projects, replaced clause of IEC publications issued since 2002. Some entries
and withdrawn publications. have been collected from earlier publications of IEC TC 37,
77, 86 and CISPR.
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also once a month by email. need further assistance, please contact the Customer Service
Centre: csc@iec.ch.
A propos de l'IEC
La Commission Electrotechnique Internationale (IEC) est la première organisation mondiale qui élabore et publie des
Normes internationales pour tout ce qui a trait à l'électricité, à l'électronique et aux technologies apparentées.
A propos des publications IEC
Le contenu technique des publications IEC est constamment revu. Veuillez vous assurer que vous possédez l’édition la
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IEC 62031 ®
Edition 1.2 2014-09
CONSOLIDATED
VERSION
VERSION
CONSOLIDÉE
colour
inside
LED modules for general lighting – Safety specifications
Modules de DEL pour éclairage général – Spécifications de sécurité
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 29.140.99, 31.080.99 ISBN 978-2-8322-1864-8
IEC 62031 ®
Edition 1.2 2014-09
REDLINE VERSION
VERSION REDLINE
colour
inside
LED modules for general lighting – Safety specifications
Modules de DEL pour éclairage général – Spécifications de sécurité
– 2 – IEC 62031:2008
+AMD1:2012+AMD2:2014 CSV IEC 2014
CONTENTS
FOREWORD . 4
INTRODUCTION . 6
1 Scope . 7
2 Normative references . 7
3 Terms and definitions . 8
4 General requirements . 9
5 General test requirements . 10
6 Classification . 10
7 Marking . 11
7.1 Mandatory marking for built-in or independent modules . 11
7.2 Location of marking . 12
7.3 Durability and legibility of marking . 12
8 Terminals . 12
9 Provisions for protective earthing . 12
10 Protection against accidental contact with live parts . 12
11 Moisture resistance and insulation . 12
12 Electric strength . 12
13 Fault conditions . 13
13.1 General . 13
13.2 Overpower condition . 13
14 Conformity testing during manufacture . 13
15 Construction . 13
16 Creepage distances and clearances . 13
17 Screws, current-carrying parts and connections . 13
18 Resistance to heat, fire and tracking . 14
19 Resistance to corrosion . 14
20 Information for luminaire design . 14
21 Heat management . 14
21.1 General . 14
21.2 Heat-conducting foil and paste . 14
21.3 Heat protection (under consideration) . 14
21.4 Construction . 14
22 Photobiological safety . 14
22.1 UV radiation . 14
22.2 Blue light hazard . 15
22.3 Infrared radiation . 15
Annex A (normative) Tests . 16
Annex B (informative) Overview of systems composed of LED modules and control
gear . 17
Annex C (informative) Conformity testing during manufacture . 18
Annex D (informative) Information for luminaire design . 19
+AMD1:2012+AMD2:2014 CSV IEC 2014
Bibliography . 22
Figure 1 – Symbol for built-in LED modules . 11
Figure B.1 – Overview of systems composed of LED modules and control gear . 17
Figure D.1 – Diagrammatic cross section of an LED module (blue) fixed by means of a
lampholder (yellow) to a luminaire (light blue, with symbolised cooling fins) . 20
– 4 – IEC 62031:2008
+AMD1:2012+AMD2:2014 CSV IEC 2014
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
LED MODULES FOR GENERAL LIGHTING –
SAFETY SPECIFICATIONS
FOREWORD
1) The International Electrotechnical 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, Technical Specifications,
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. International, 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 decisions 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 international 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
misinterpretati
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