Controlgear for electric light sources - Safety - Part 2-8: Particular requirements - Ballasts for fluorescent lamps

IEC 61347-2-8:2024 specifies safety requirements for ballasts, excluding resistance types, for use on AC supplies up to 1 000 V at 50 Hz or 60 Hz, associated with fluorescent lamps with or without pre-heated cathodes operated with or without a starter or starting device and having rated powers, dimensions and characteristics as specified in IEC 60081 and IEC 60901. This second edition cancels and replaces the first edition published in 2000 and Amendment 1:2006. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a) introduction of dated references where appropriate;
b) alignment of clause numbers with those of IEC 61347-1.

Appareillages de commande pour les sources de lumière électriques - Sécurité - Partie 2-8: Exigences particulières - Ballasts pour lampes fluorescentes

L'IEC 61347-2-8:2024 spécifie les exigences de sécurité des ballasts autres que ceux du type à résistance, destinés à être utilisés avec des alimentations jusqu'à 1 000 V en courant alternatif à 50 Hz ou 60 Hz, associés à des lampes fluorescentes avec ou sans cathodes préchauffées fonctionnant avec ou sans starter ou dispositif d'amorçage et dont les puissances assignées, les dimensions et les caractéristiques sont spécifiées dans l'IEC 60081 et l'IEC 60901. Cette seconde édition annule et remplace la première édition parue en 2000 et l'Amendement 1:2006. Cette édition constitue une révision technique.
Cette édition inclut les modifications techniques majeures suivantes par rapport à l'édition précédente:
a) ajout de références datées le cas échéant;
b) alignement des numéros d'articles sur ceux de l'IEC 61347-1.

General Information

Status
Published
Publication Date
13-May-2024
Technical Committee
Drafting Committee
Current Stage
PPUB - Publication issued
Start Date
29-May-2024
Completion Date
14-May-2024
Ref Project

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IEC 61347-2-8:2024 RLV - Controlgear for electric light sources - Safety - Part 2-8: Particular requirements - Ballasts for fluorescent lamps Released:5/14/2024 Isbn:9782832289167
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IEC 61347-2-8:2024 - Controlgear for electric light sources - Safety - Part 2-8: Particular requirements - Ballasts for fluorescent lamps Released:5/14/2024 Isbn:9782832288481
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IEC 61347-2-8 ®
Edition 2.0 2024-05
REDLINE VERSION
INTERNATIONAL
STANDARD
colour
inside
Lamp control gear –
Controlgear for electric light sources – Safety –
Part 2-8: Particular requirements – Ballasts for fluorescent lamps

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.

IEC Secretariat Tel.: +41 22 919 02 11
3, rue de Varembé info@iec.ch
CH-1211 Geneva 20 www.iec.ch
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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 corrigendum or an amendment might have been published.

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IEC 61347-2-8 ®
Edition 2.0 2024-05
REDLINE VERSION
INTERNATIONAL
STANDARD
colour
inside
Lamp control gear –
Controlgear for electric light sources – Safety –
Part 2-8: Particular requirements – Ballasts for fluorescent lamps
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 29.140.99 ISBN 978-2-8322-8916-7
– 2 – IEC 61347-2-8:2024 RLV © IEC 2024
CONTENTS
FOREWORD . 4
INTRODUCTION . 7
1 Scope . 8
2 Normative references . 8
3 Terms and definitions . 8
4 General requirements . 9
5 General notes on tests . 9
6 Classification . 10
7 Marking . 10
7.1 Marking and information . 10
7.1.1 Mandatory marking . 10
7.1.2 Information to be provided, if applicable . 10
7.2 Durability and legibility of marking . 10
8 Terminals . 10
9 Provisions for Earthing . 10
10 Protection against accidental contact with live parts . 11
11 Moisture resistance and insulation . 11
12 Electric strength . 11
13 Thermal endurance test for windings of ballasts . 11
14 Ballast heating . 11
14.1 General . 11
14.2 Pre-test, checks and measures . 11
14.3 Voltage across capacitors . 11
14.4 Ballast heating test . 12
14.5 Marking legibility and electric strength after test . 13
15 High-voltage impulse testing . 13
15.1 General . 13
15.2 Simple reactor type ballasts . 14
15.3 Ballasts other than simple reactor type ballasts . 14
16 Fault conditions .
16 Construction . 15
17 Creepage distances and clearances . 15
18 Screws, current-carrying parts and connections . 15
19 Resistance to heat, fire and tracking . 15
20 Resistance to corrosion . 15
21 No-load output voltage . 15
22 Applicable annexes of IEC 61347-1 . 15
Annex IA (normative) Method for selection of varistors . 18
A.1 General . 18
A.2 Selection of the varistors . 18
Annex JB (informative) Explanation of ballast temperatures . 20
B.1 General . 20
B.2  Endurance . 20
B.3 Ballast heating . 21

B.4 Test arrangement. 21
Annex C (informative) Schedule of more onerous requirements . 24
Bibliography . 25

Figure A.1 – Test circuit for electromagnetic controlgear, for lamps with integral

starting devices. 19
Figure B.1 – Test hood for ballast heating test . 22
Figure B.2 – Test corner for ballast heating . 22

Table 1 – Abnormal conditions – Capacitor test voltages . 11
Table 2 – Maximum temperatures . 12
Table 3 – Limiting temperatures of ballast windings under abnormal operating
conditions and at 110 % of rated voltage for ballasts subjected to an endurance test
duration of 30 days . 13

– 4 – IEC 61347-2-8:2024 RLV © IEC 2024
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
LAMP CONTROLGEAR –
CONTROLGEAR FOR ELECTRIC LIGHT SOURCES – SAFETY –

Part 2-8: Particular requirements – Ballasts for fluorescent lamps

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.
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6) All users should ensure that they have the latest edition of this publication.
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8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
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9) IEC draws attention to the possibility that the implementation of this document may involve the use of (a)
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This redline version of the official IEC Standard allows the user to identify the changes
made to the previous edition IEC 61347-2-8:2000+AMD1:2006 CSV. A vertical bar appears
in the margin wherever a change has been made. Additions are in green text, deletions
are in strikethrough red text.

IEC 61347-2-8 has been prepared by subcommittee 34C: Auxiliaries for lamps, of IEC technical
committee 34: Lighting. It is an International Standard.
This second edition cancels and replaces the first edition published in 2000 and
Amendment 1:2006. T
...


IEC 61347-2-8 ®
Edition 2.0 2024-05
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Controlgear for electric light sources – Safety –
Part 2-8: Particular requirements – Ballasts for fluorescent lamps

Appareillages de commande pour les sources de lumière électriques – Sécurité –
Partie 2-8: Exigences particulières – Ballasts pour lampes fluorescentes
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
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IEC Secretariat Tel.: +41 22 919 02 11
3, rue de Varembé info@iec.ch
CH-1211 Geneva 20 www.iec.ch
Switzerland
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 corrigendum or an amendment might have been published.

IEC publications search - webstore.iec.ch/advsearchform IEC Products & Services Portal - products.iec.ch
The advanced search enables to find IEC publications by a Discover our powerful search engine and read freely all the
variety of criteria (reference number, text, technical publications previews, graphical symbols and the glossary.
committee, …). It also gives information on projects, replaced With a subscription you will always have access to up to date
and withdrawn publications. content tailored to your needs.

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Electropedia - www.electropedia.org
Stay up to date on all new IEC publications. Just Published
The world's leading online dictionary on electrotechnology,
details all new publications released. Available online and once
containing more than 22 500 terminological entries in English
a month by email.
and French, with equivalent terms in 25 additional languages.

Also known as the International Electrotechnical Vocabulary
IEC Customer Service Centre - webstore.iec.ch/csc
(IEV) online.
If you wish to give us your feedback on this publication or need

further assistance, please contact the Customer Service
Centre: sales@iec.ch.
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IEC 61347-2-8 ®
Edition 2.0 2024-05
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Controlgear for electric light sources – Safety –

Part 2-8: Particular requirements – Ballasts for fluorescent lamps

Appareillages de commande pour les sources de lumière électriques – Sécurité –

Partie 2-8: Exigences particulières – Ballasts pour lampes fluorescentes

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 29.140.99  ISBN 978-2-8322-8848-1

– 2 – IEC 61347-2-8:2024 © IEC 2024
CONTENTS
FOREWORD . 4
INTRODUCTION . 6
1 Scope . 7
2 Normative references . 7
3 Terms and definitions . 7
4 General requirements . 8
5 General notes on tests . 8
6 Classification . 8
7 Marking . 8
7.1 Marking and information . 8
7.1.1 Mandatory marking . 8
7.1.2 Information to be provided . 9
7.2 Durability and legibility of marking . 9
8 Terminals . 9
9 Earthing . 9
10 Protection against accidental contact with live parts . 9
11 Moisture resistance and insulation . 9
12 Electric strength . 9
13 Thermal endurance test for windings of ballasts . 9
14 Ballast heating . 9
14.1 General . 9
14.2 Pre-test, checks and measures . 10
14.3 Voltage across capacitors . 10
14.4 Ballast heating test . 10
14.5 Marking legibility and electric strength after test . 12
15 High-voltage impulse testing . 12
15.1 General . 12
15.2 Simple reactor type ballasts . 12
15.3 Ballasts other than simple reactor type ballasts . 13
16 Construction . 13
17 Creepage distances and clearances . 13
18 Screws, current-carrying parts and connections . 14
19 Resistance to heat, fire and tracking . 14
20 Resistance to corrosion . 14
21 No-load output voltage . 14
22 Applicable annexes of IEC 61347-1 . 14
Annex A (normative) Method for selection of varistors. 15
A.1 General . 15
A.2 Selection of the varistors . 15
Annex B (informative) Explanation of ballast temperatures . 17
B.1 General . 17
B.2 Endurance . 17
B.3 Ballast heating . 18
B.4 Test arrangement . 18

Annex C (informative) Schedule of more onerous requirements . 20
Bibliography . 21

Figure A.1 – Test circuit for electromagnetic controlgear, for lamps with integral
starting devices. 16
Figure B.1 – Test hood for ballast heating test . 19
Figure B.2 – Test corner for ballast heating . 19

Table 1 – Abnormal conditions – Capacitor test voltages . 10
Table 2 – Maximum temperatures . 11
Table 3 – Limiting temperatures of ballast windings under abnormal operating
conditions and at 110 % of rated voltage for ballasts subjected to an endurance test
duration of 30 days . 12

– 4 – IEC 61347-2-8:2024 © IEC 2024
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
CONTROLGEAR FOR ELECTRIC LIGHT SOURCES – SAFETY –

Part 2-8: Particular requirements – Ballasts for fluorescent lamps

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 th
...

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