IEC 61547:2020

Equipment for general lighting purposes - EMC immunity requirements

IEC 61547:2020 which deals with electromagnetic immunity requirements, applies to lighting equipment which is within the scope of IEC technical committee 34, including apparatus such as lamps, luminaires, and modules. This third edition cancels and replaces the second edition, published in 2009. This edition constitutes a technical revision This edition includes the following significant technical changes with respect to the previous edition:
- extension of scope with end-user replaceable modules and the combination of end-user replaceable module and independent auxiliary;
- clarification of module testing in a host system;
- increased ESD and surge test levels for road and street lighting equipment;
- the introduction of ESD testing under normal operation and handling conditions;
- removal of line to ground surge test for self-ballasted lamps ≤ 25 W.

Equipements pour l'éclairage à usage général - Exigences concernant l'immunité CEM

L'IEC 61547:2020 qui traite des exigences d’immunité électromagnétique s’applique aux appareils d’éclairage relevant du domaine d’application du comité d’études 34 de l’IEC, tels que les lampes, les luminaires et les modules. Cette troisième édition annule et remplace la deuxième édition parue en 2009. Cette édition constitue une révision technique. Cette édition inclut les modifications techniques majeures suivantes par rapport à l'édition précédente:
- extension du domaine d’application des modules remplaçables par l'utilisateur final et de la combinaison d’un module remplaçable par l’utilisateur final et d’un accessoire indépendant;
- clarification de l’essai du module dans un système hôte;
- augmentation des niveaux d’essai des décharges électrostatiques et d’ondes de choc des appareils d’éclairage public;
- introduction d’un essai de décharge électrostatique dans des conditions normales de fonctionnement et des conditions de manutention;
- retrait de l’essai d’ondes de choc entre phase et terre pour les lampes à ballast intégré ≤ 25 W.

General Information

• Status: Published
• Publication Date: 25-Mar-2020
• ICS: 29.020 - Electrical engineering in general
• ICS: 29.140.01 - Lamps in general
• ICS: 33.100.10 - Emission
• Technical Committee: TC 34 - Lighting
• Drafting Committee: WG 5 - TC 34/WG 5
• Current Stage: PPUB - Publication issued
• Start Date: 26-Mar-2020
• Completion Date: 10-Apr-2020

Relations

• Revises: IEC 61547:2009/COR1:2010 - Corrigendum 1 - Equipment for general lighting purposes - EMC immunity requirements
• Effective Date: 05-Sep-2023
• Revises: IEC 61547:2009 - Equipment for general lighting purposes - EMC immunity requirements
• Effective Date: 05-Sep-2023
• Revises: IEC 61547:2009/ISH1:2013 - Interpretation sheet 1 - Equipment for general lighting purposes - EMC immunity requirements
• Effective Date: 05-Sep-2023

Overview

IEC 61547:2020 - Equipment for general lighting purposes - EMC immunity requirements - is the third edition (technical revision) of the international standard that defines electromagnetic immunity requirements for lighting equipment within the scope of IEC Technical Committee 34. It replaces IEC 61547 (2009) and applies to lamps, luminaires, modules, independent auxiliaries and end-user replaceable modules intended for low-voltage or battery operation. The standard is written for domestic, commercial and light-industrial environments and is to be used together with relevant basic and product standards.

Key topics and technical requirements

IEC 61547:2020 specifies test phenomena, levels and performance criteria for electromagnetic immunity of lighting equipment. Key technical topics include:

• Performance criteria and objective assessment of luminous intensity and functional continuity during/after disturbance.
• Electrostatic discharge (ESD) tests, including new requirements for ESD under normal operation and handling conditions, and increased ESD levels for road and street lighting.
• Radio‑frequency (RF) electromagnetic field immunity testing at enclosure ports and control interfaces.
• Power‑frequency magnetic field immunity.
• Fast transients (burst) testing for signal/control and power ports.
• Injected currents / RF common‑mode tests on interfaces and supply ports.
• Surge immunity, with higher surge levels for road/street lighting and the removal of the line‑to‑ground surge test for self‑ballasted lamps ≤ 25 W.
• Voltage dips, short interruptions and voltage fluctuations tests to verify lamp/luminaire behavior under supply anomalies.
• Module testing guidance: clarification on testing end‑user replaceable modules within a host system and combinations of modules with independent auxiliaries.

Practical applications - who uses this standard

IEC 61547:2020 is essential for:

• Lighting manufacturers (lamps, luminaires, LED modules, drivers/auxiliaries) to design for EMC immunity and demonstrate compliance.
• Test laboratories and certification bodies performing immunity testing and conformity assessment.
• Product compliance and regulatory teams preparing technical files for market access.
• Lighting specifiers, system integrators and procurement teams who require robust lighting systems for public, commercial or industrial installations-especially for road and street lighting where immunity levels are raised.
• R&D and quality engineers who need to validate performance under electromagnetic disturbances and ensure safe, stable operation.

Related standards

• IEC 61000‑6‑1 (environmental immunity baseline for residential/commercial/light‑industrial) - referenced for environment categories.
• Other IEC/CISPR product standards that may define immunity for specific lighting or integrated systems (e.g., vehicle lighting, professional entertainment controls) - consult product‑specific standards where applicable.

IEC 61547:2020 is a practical reference for ensuring lighting equipment remains functional and safe when exposed to common and severe electromagnetic disturbances encountered in real installations.

Standards Content (Sample)

IEC 61547 ®
Edition 3.0 2020-03
REDLINE VERSION
INTERNATIONAL
STANDARD
colour
inside
Equipment for general lighting purposes – EMC immunity requirements

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 Central Office Tel.: [phone]
3, rue de Varembé [e-mail]
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 Electropedia - www.electropedia.org
The advanced search enables to find IEC publications by a The world's leading online dictionary on electrotechnology,
variety of criteria (reference number, text, technical containing more than 22 000 terminological entries in English
committee,…). It also gives information on projects, replaced and French, with equivalent terms in 16 additional languages.
and withdrawn publications. Also known as the International Electrotechnical Vocabulary

(IEV) online.
IEC Just Published - webstore.iec.ch/justpublished
Stay up to date on all new IEC publications. Just Published IEC Glossary - std.iec.ch/glossary
details all new publications released. Available online and 67 000 electrotechnical terminology entries in English and
once a month by email. French extracted from the Terms and Definitions clause of
IEC publications issued since 2002. Some entries have been
IEC Customer Service Centre - webstore.iec.ch/csc collected from earlier publications of IEC TC 37, 77, 86 and
If you wish to give us your feedback on this publication or CISPR.

need further assistance, please contact the Customer Service

Centre: [e-mail].
IEC 61547 ®
Edition 3.0 2020-03
REDLINE VERSION
INTERNATIONAL
STANDARD
colour
inside
Equipment for general lighting purposes – EMC immunity requirements

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 29.020; 29.140.01; 33.100.10 ISBN 978-2-8322-8085-0

– 2 – IEC 61547:2020 RLV © IEC 2020
CONTENTS
FOREWORD . 4
1 Scope . 6
2 Normative references . 7
3 Terms and definitions . 8
4 Performance criteria . 10
4.1 General . 10
4.2 Categorization of performance criteria . 11
4.3 Objective assessment of luminous intensity performance . 11
5 Test specifications . 11
5.1 General . 11
5.2 Electrostatic discharges . 13
5.2.1 General . 13
5.2.2 Electrostatic discharge to touchable surfaces . 13
5.2.3 Road and street lighting equipment . 13
5.3 Radio-frequency electromagnetic fields . 13
5.4 Power frequency magnetic fields . 14
5.5 Fast transients . 14
5.6 Injected currents (radio-frequency common mode) . 15
5.7 Surges . 16
5.8 Voltage dips and short interruptions . 17
5.9 Voltage fluctuations .
6 Application of test specifications . 17
6.1 General . 19
6.2 Non-electronic lighting equipment .
6.3 Electronic lighting equipment .
6.3.1 General .
6.3.2 Self-ballasted lamps .
6.3.3 Independent auxiliaries .
6.3.4 Luminaires .
6.2 Applicability of tests and associated performance criterion . 19
7 Conditions during testing . 19
8 Assessment of conformity . 20
Annex A (informative) Rationale and criteria for tests and performance criteria . 21
A.1 Types and levels of disturbances . 21
A.2 Electromagnetic interference effects . 21
A.3 Selection test phenomena, levels and criteria . 21
Bibliography . 23

Figure 1 – Examples of ports . 9
Figure A.1 – Lighting equipment in an application . 22
Figure A.2 – EUT in a test . 22
Figure A.3 – Failure mode and effects . 22

Table 1 – Electrostatic discharges – Test levels at enclosure port . 13

Table 2 – Radio-frequency electromagnetic fields – Test levels at enclosure port . 14
Table 3 – Power frequency magnetic fields – Test levels at enclosure port . 14
Table 4 – Fast transients – Test levels at ports for signal and /control lines and load
ports . 14
Table 5 – Fast transients – Test levels at input and output DC power ports . 14
Table 6 – Fast transients – Test levels at input and output AC power ports . 15
Table 7 – Radio-frequency common mode – Test levels at ports for signal

and control lines . 15
Table 8 – Radio-frequency common mode – Test levels at input and output DC power
ports . 15
Table 9 – Radio-frequency common mode – Test levels at input and output AC power
ports . 16
Table 10 – Surges – Test levels at input AC power ports . 16
Table 11 – Voltage dips – Test levels at input AC power ports . 17
Table 12 – Voltage short interruptions – Test levels at input AC power ports . 17
Table 13 – Application of tests for self-ballasted lamps .
Table 14 – Application of tests for independent auxiliaries .
Table 15 – Application of tests for luminaires .
Table 13 – Test applicability and associated performance criterion . 19

– 4 – IEC 61547:2020 RLV © IEC 2020
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
EQUIPMENT FOR GENERAL LIGHTING PURPOSES –
EMC IMMUNITY REQUIREMENTS
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 redline version of the official IEC Standard allows the user to identify the changes
made to the previous edition. A vertical bar appears in the margin wherever a change
has been made. Additions are in green text, deletions are in strikethrough red text.

International Standard IEC 61547 has been prepared by IEC technical committee 34: Lamps
and related equipment.
This third edition cancels and replaces the second edition, published in 2009. This edition
constitutes a technical revision
This edition includes the following significant technical changes with respect to the previous
edition:
a) extension of scope with end-user replaceable modules and the combination of end-user
replaceable module and independent auxiliary;
b) clarification of module testing in a host system;
c) increased ESD and surge test levels for road and street lighting equipment;
d) the introduction of ESD testing under normal operation and handling conditions;
e) removal of line to ground surge test for self-ballasted lamps ≤ 25 W.
The text of this International Standard is based on the following documents:
FDIS Report on voting
34/676/FDIS 34/689/RVD
Full information on the voting for the approval of this International Standard can be found in
the report on voting indicated in the above table.
This document has been drafted in accordance with the ISO/IEC Directives, Part 2.
This document is to be read in conjunction with the relevant basic and/or product standard(s).
A list of all parts in the IEC 61547 series, published under the general title Equipment for
general lighting purposes – EMC immunity requirements, can be found on the IEC website.
The committee has decided that the contents of this document will remain unchanged until the
stability date indicated on the IEC website under "http://webstore.iec.ch" in the data related to
the specific document. At this date, the document will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
IMPORTANT – The 'colour inside' logo on the cover page of this publication indicates
that it contains colours which are considered to be useful for the correct
understanding of its contents. Users should therefore print this document using a
colour printer.
– 6 – IEC 61547:2020 RLV © IEC 2020
EQUIPMENT FOR GENERAL LIGHTING PURPOSES –
EMC IMMUNITY REQUIREMENTS
1 Scope
This part of IEC 61547 which deals with electromagnetic immunity requirements, applies to
lighting equipment which is within the scope of IEC technical committee 34, including
apparatus such as lamps, auxiliaries and luminaires, intended either for connecting to a low
voltage electricity supply or for battery operation luminaires and modules.
Excluded from the scope of this standard is equipment for which the immunity requirements
are formulated in other IEC or CISPR standards such as:
– lighting equipment for use in transport vehicles;
– entertainment lighting control equipment for professional purposes;
– lighting devices built into other equipment such as:
• scale illumination or indicators;
• photocopiers;
• slide and overhead projectors;
• multimedia equipment.
Excluded from the scope of this document are:
– components or modules intended to be built into lighting equipment and which are not
end-user replaceable;
– equipment for which the electromagnetic compatibility requirements in the radio-frequency
range are explicitly formulated in other product immunity standards, even if they
incorporate a built-in lighting function.
NOTE Examples of exclusions are:
– equipment with built-in lighting devices for display back lighting, scale illumination and signaling;
– SSL-displays;
– range hoods, refrigerators, freezers;
– photocopiers, projectors;
– electronic switches for fixed installations;
– lighting equipment for road vehicles (within the scope of CISPR 12);
– lighting equipment for aircraft and airfield facilities.
However, in multi-function equipment where the lighting part function operates independently
from other parts functions, the electromagnetic immunity requirements of this document apply
to the lighting part function only.
Lighting equipment with a wireless control function are also within the scope of this document.
However, the test is limited to the control of the lighting function only. Radio properties like
frequency stability or spurious emissions are not assessed.
EXAMPLE Colour/light level control via a wireless interface are meant to stay intact after an immunity test.
Also included in the scope of this document is lighting equipment that interfaces with systems
or installations other than common power supply networks.

The requirements of this document are based on the requirements for domestic, commercial
and light-industrial environments as given in IEC 61000-6-1:2016, but modified to lighting
engineering practice.
It can be expected that lighting equipment complying with the requirements of this document
will operate satisfactorily in other environments. In some special cases, measures have to can
be taken to provide higher immunity. In this document it is impracticable to deal with all these
possibilities. Such requirements may can be established by contractual agreement between
supplier and purchaser.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their
content constitutes requirements of this document. For dated references, only the edition
cited applies. For undated references, the latest edition of the referenced document (including
any amendments) applies.
IEC 60050-161, International Electrotechnical Vocabulary – Part 161: Electromagnetic
Compatibility (available at http://www.electropedia.org)
IEC 60050-845, International Electrotechnical Vocabulary – Part 845: Lighting (available at
http://www.electropedia.org)
IEC 60598-1:20082014, Luminaires – Part 1: General requirements and tests
IEC 60598-2-22, Luminaires – Part 2-22: Particular requirements – Luminaires for emergency
lighting
IEC 61000-4-2:2008, Electromagnetic compatibility (EMC) – Part 4-2: Testing and
measurement techniques – Electrostatic discharge immunity test
IEC 61000-4-3:2006, Electromagnetic compatibility (EMC) – Part 4-3: Testing and

measurement techniques – Radiated, radio frequency, electromagnetic field immunity test
IEC 61000-4-3:2006/AMD1:2007
IEC 61000-4-3:2006/AMD2:2010
IEC 61000-4-4:20042012, Electromagnetic compatibility (EMC) – Part 4-4: Testing and
measurement techniques – Electrical fast transient/burst immunity test
IEC 61000-4-5:20052014, Electromagnetic compatibility (EMC) – Part 4-5: Testing and
measurement techniques – Surge immunity test
IEC 61000-4-5:2014/AMD1:2017
IEC 61000-4-6:20082013, Electromagnetic compatibility (EMC) – Part 4-6: Testing and
measurement techniques – Immunity to conducted disturbances, induced by radio-frequency
fields
IEC 61000-4-8:19932009, Electromagnetic compatibility (EMC) – Part 4-8: Testing and
measurement techniques – Power frequency magnetic field immunity test
Amendment 1 (2000)
IEC 61000-4-11:2004, Electromagnetic compatibility (EMC) – Part 4-11: Testing and
measurement techniques – Voltage dips, short interruptions and voltage variations immunity
___________
There exists a consolidated edition 3.1 (2008) that comprises IEC 61000-4-3 and its Amendment 1.
)
There exists a consolidated edition 1.1 (2001) that comprises IEC 61000-4-8 and its Amendment 1.

– 8 – IEC 61547:2020 RLV © IEC 2020
tests
IEC 61000-4-11:2004/AMD1:2017
IEC 61000-6-1:2005, Electromagnetic compatibility (EMC) – Part 6-1: Generic standards –
Immunity for residential, commercial and light-industrial environments
IEC CISPR 15:2018, Limits and methods of measurement of radio disturbance characteristics
of electrical lighting and similar equipment
3 Terms and definitions
For the purposes of this document, the terms and definitions given in IEC 60050-161 and
IEC 60050-845 and the following apply.
ISO and IEC maintain terminological databases for use in standardization at the following
addresses:
• IEC Electropedia: available at http://www.electropedia.org/
• ISO Online browsing platform: available at http://www.iso.org/obp
3.1
enclosure port
physical boundary of the equipment through which electromagnetic fields may radiate or
penetrate (see Figure 1)
3.2
AC power port
port at which a conductor or cable, intended to supply AC power from a mains network to the
equipment, is connected to the equipment
3.3
DC power port
port at which conductor or cable, intended to supply DC power from a network to the
equipment, is connected to the equipment
3.4
load port
port at which the power cable of the load is connected to the equipment
3.5
end-user replaceable module
electronic or electrical part which serves a specific function or functions of a lighting
application, which is intended for application in a luminaire or in an installation by an end-user
and which is intended to be marketed and/or sold separately from a lighting equipment or
system
EXAMPLE Starter, controlgear, ELV lamps, control unit, LEDni module, LEDsi module.
Note 1 to entry: End-user replaceable modules are replaceable modules excluding non-user replaceable modules.
3.6
port
particular electrical interface of the specified equipment with the external electromagnetic
environment
category of an interface of an EUT which provides a coupling path for electromagnetic
disturbances from the electromagnetic environment into the EUT

Note 1 to entry: Figure 1 shows examples of ports. The AC/DC power port may include the protective earth
conductor.
Enclosure port
AC power port
Signal/control port
Lighting
equipment
DC power port
IEC  999/09
Figure 1 – Examples of ports
3.7
signal port
control port
port at which a signal cable is connected to the equipment
3.8
road and street lighting equipment
lighting equipment for illuminating roads, streets, tunnels and other public outdoor areas at a
minimum total height above normal ground level of 2,5 m
3.9
lighting equipment
equipment with a primary function of generating and/or regulating and/or distributing optical
radiation
EXAMPLE
• light sources and luminaires;
• the lighting part of multi-function equipment where one of the primary functions of this is illumination;
• modules like ELV lamps, self-ballasted lamps and controlgear;
• ultraviolet (UV) and infrared (IR) radiation equipment.
3.10
non-integrated LED lamp
LEDni lamp
LED lamp which needs a separate controlgear to operate
3.11
semi-integrated LED lamp
LEDsi lamp
LED lamp which carries the control unit of the controlgear, and is operated by the separated
power supply of the controlgear

– 10 – IEC 61547:2020 RLV © IEC 2020
3.12
ELV
extra-low voltage
voltage not exceeding the relevant voltage limit of band I specified in IEC 60449
[SOURCE: IEC 60050-826:2004, 826-12-30]
3.13
self-ballasted lamp
integrated lamp
electric lamp that cannot be dismantled without being permanently damaged, incorporating
controlgear, and all additional elements necessary for starting and stable operation of the light
source, designed for direct connection of the supply voltage
[SOURCE: IEC 60050-845:—, 845-27-009, modified – Addition of "self-ballasted lamp" as a
preferred term.]
3.14
standby mode
mode in which the light source is switched off while still connected to a power supply
[SOURCE: IEC 60050-845:—, 845-27-125]
4 Performance criteria
4.1 General
A functional description of performance criteria, during or as a consequence of the immunity
testing, shall be provided by the manufacturer and noted in the test report.
The performance of lighting equipment shall be assessed by monitoring:
– the luminous intensity of the Iuminaire or of the lamp(s);
– the functioning of the control in the case of equipment which includes a regulating control
or concerns the regulating control itself;
– the functioning of the starting device, if any.
The performance criteria given hereafter apply to lighting equipment.
For the various immunity tests that apply, the performance of the following functions shall be
assessed, as far as applicable or specified by the manufacturer:
– the luminous intensity of the Iuminaire or of the light source(s);
– the control function, for example on/off switching, light level setting, colour adjustment,
wireless control.
For these functions, three different levels of performance criteria are specified in 4.2. The
functions assessed and the performance criteria for each individual test shall be noted in the
test report.
The effects of electromagnetic disturbances on the life of the equipment under test are
excluded from this document.
4.2 Categorization of performance criteria
The following three categories of performance criteria apply.
a) Performance criterion A
During the test, no change of the Iuminous intensity shall be observed and the regulating
control, if any, shall operate during the test as intended.
b) Performance criterion B
During the test, the Iuminous intensity may change to any value. After the test, the
Iuminous intensity shall be restored to its initial value within 1 min (30 min for high
pressure gas discharge lamps). Regulating controls need not function during the test, but
after the test, the mode of the control shall be the same as before the test, provided that
during the test no mode changing commands were given.
c) Performance criterion C
During and after the test, any change of the luminous intensity is allowed and the lamp
light source(s) may be extinguished. After the test, within 30 min, all functions shall return
to normal, if necessary by temporary interruption of the mains supply and/or operating the
regulating control.
The following additional requirement for applies to lighting equipment incorporating a starting
device: after the test, the lighting equipment is switched off. After half an hour, it is switched
for 30 min and back on again. The lighting equipment shall start and operate as intended.
The application of the different performance criteria for the various types of tests and for
different lighting equipment are specified in Clause 6.
4.3 Objective assessment of luminous intensity performance
A change of luminous intensity may shall be checked by visual observation but, in case of
doubt, the following applies either one of the following requirements:
• no change of luminous intensity by visual observation, or
• the luminous intensity of a lighting equipment by measurement.
When being measured, the luminous intensity of a luminaire or of the lamp(s) lighting
equipment shall be measured by means of an illuminance (lux) meter which is positioned in
an axis perpendicular to the main plane of the luminaire or lamp(s) lighting equipment, in its
centre and at a distance for proper operation of the lux meter. The luminous intensity shall be
deemed to be unchanged if the measured intensities during and after the test do not deviate
by more than 15 %. In stand-by mode the change of the luminous intensity shall be less than
5 % of the maximum luminous intensity (100 % light output).
Care shall be taken to ensure the ambient light level does not influence the measurement
results.
Precautions to achieve reproducible results given in the relevant lamp light source
performance standards shall be observed.
4.4 The effects of electromagnetic phenomena (as described in this standard) upon the life
of the equipment under test are excluded from this standard.
5 Test specifications
5.1 General
Immunity requirements for lighting equipment defined within the scope concern are specified
in 5.2 to 5.8 on a port by port basis for the following disturbances:

– 12 – IEC 61547:2020 RLV © IEC 2020
– electrostatic discharges;
– continuous and transient disturbances;
– radiated and conducted disturbances;
– mains supply-related disturbances.
They are given in Subclauses 5.2 to 5.9 on a port by port basis.
Tests are applied to the relevant ports of the equipment as indicated in the respective clauses.
For the purposes of this document, DC power ports for supplying regulating controls are
considered to be signal ports. Tests shall be conducted in a well-defined and reproducible
manner. Tests shall be carried out as single tests in sequence. The sequence of testing is
optional.
It may be determined from consideration of the electrical characteristics and usage of
particular equipment that some of the tests are inappropriate and therefore unnecessary. In
such cases it is required that the decision not to test be recorded in the test report.
The description of the test, the test generator, the test methods and the test set-up are given
in the basic standards, which are referred to in the relevant clauses.
Test levels are generally based on level 2 values as recommended in the basic standards.
In this document, in most cases, the selected test levels are based on level 2 values as given
in the basic test and measurement immunity standards; these standards are referred to in the
respective clauses.
Further explanation on the methodology and criteria why certain test phenomena, test levels
and performance criteria are chosen for certain types of lighting equipment are given in
Annex A.
Modules are tested as any other lighting equipment but shall be mounted in a representative
host and the port(s) of the module being assessed shall be terminated accordingly. A
representative host is a reference luminaire or reference system that enables proper
functioning of the EUT. The functions of the host that are specific to the module being
assessed shall be exercised during the tests. The host shall also incorporate essential EMI
protection means or mitigation measures if these are explicitly specified by the manufacturer
for application of such a module. A representative host shall also include the safety Class I or
II features, whichever is applicable. If the module is tested in a host, the correct functioning of
the combination shall be verified prior to the application of the disturbance. A detailed
description of the host shall be given in the test report. Self-ballasted lamps shall be tested in
hosts (reference luminaires) as specified in CISPR 15:2018, Annex A.
For modules, the length of the cables between the module and other devices that are part of
the host shall be 3 m unless the manufacturer specifies another length.
NOTE 1 Depending on the type of lighting equipment, for ESD tests deviating requirements for using
representative hosts can apply (see 5.2.2).
NOTE 2 The word module in this document refers to end-user replaceable modules as defined in 3.5.

5.2 Electrostatic discharges
5.2.1 General
Electrostatic discharge tests are shall be carried out according to IEC 61000-4-2:2008, with
test levels as given in Table 1 for all lighting equipment and additional test levels as given in
5.2.3 for road and street lighting equipment. Contact discharge is the preferred test method.
Twenty discharges (10 with positive and 10 with negative polarity) shall be applied on each
accessible metallic part of the enclosure, (including terminals are excluded) for connecting
end-user replaceable modules. Air discharges shall be used where contact discharges cannot
be applied. In addition, discharges shall be applied on the horizontal or and vertical coupling
planes, as specified in IEC 61000-4-2:2008.
5.2.2 Electrostatic discharge to touchable surfaces
The electrostatic discharge (ESD) test shall be executed for the following use cases:
1) During normal operation: Electrostatic discharges shall be applied only to points and
surfaces of the EUT which are expected to be touched during normal operation. Modules
and self-ballasted lamps are tested in a representative host as described in 5.1.
2) During handling: Electrostatic discharges shall be applied to interconnecting pins,
terminals or any metal parts of end-user replaceable modules which are accessible during
installation and maintenance by the end-user. Tests shall be carried out without the host
whereas the assessment of the performance of the module may be done inside the host
configuration.
NOTE "Accessible" means accessible under normal operating conditions including user maintenance. The EUT is
not powered during the handling of ESD tests.
Table 1 – Electrostatic discharges – Test levels at enclosure port
Characteristics Test levels voltage
Air discharge ±8 kV
±4 kV
Contact discharge
5.2.3 Road and street lighting equipment
In addition to the requirements in 5.2.2, road and street lighting equipment shall be tested for
air discharge at ±15 kV and for contact discharge at ±8 kV. This is to simulate the
phenomenon of static charging during thunderstorms.
End-user replaceable modules that are accessible during installation and maintenance shall
be tested according to 5.2.2. The term "road and street lighting equipment" signifies the
combination of the module(s) and the luminaire as installed in the final application.
5.3 Radio-frequency electromagnetic fields
Radio frequency (RF) electromagnetic field tests are shall be carried out according to
IEC 61000-4-3:2006, IEC 61000-4-3:2006/AMD1:2007 and IEC 61000-4-3:2006/AMD2:2010
with test levels as given in Table 2.
NOTE In contrast to generic immunity standards, the frequency range in this document is limited to 1 GHz, since
lighting equipment generally complies with the test levels above 1 GHz, provided it also complies below 1 GHz.

– 14 – IEC 61547:2020 RLV © IEC 2020
Table 2 – Radio-frequency electromagnetic fields – Test levels at enclosure port
Characteristics Test levels
Frequency range 80 MHz to 1 000 MHz
Test level field strength 3 V/m (unmodulated) See Note
Modulation 1 kHz, 80 % AM, sine wave
NOTE For information regarding situations with a high concentration of mobile
transmitters see for example IEC TR 61000-2-5:2017, 9.3.

5.4 Power frequency magnetic fields
Power frequency magnetic field tests are shall be carried out according to IEC 61000-4-
8:2009, with test levels as given in Table 3 and need only to be applied to equipment
containing components susceptible to magnetic fields, such as Hall elements or magnetic field
sensors. In case of mains-operated devices, the test frequency shall be locked to the mains
frequency.
Table 3 – Power frequency magnetic fields – Test levels at enclosure port
Characteristics Test levels
Field Test frequency 50/60 Hz
Test level Magnetic field strength 3 A/m

5.5 Fast transients
Fast transient tests are shall be carried out according to IEC 61000-4-4:2012, with test levels
as given in Table 4, Table 5 and Table 6. Fast transients are carried out with a minimum
duration of 2 min with a positive polarity and a minimum of 2 min with a negative polarity.
Table 4 – Fast transients – Test levels at ports for signal and /control lines and load
ports
Characteristics Test levels
Test level Voltage peak ±0,5 kV (peak)
Rise time/hold time 5/50 ns
Repetition frequency 5 kHz
NOTE 1 Only applicable to ports interfacing with cables whose total length,
according to the manufacturer's specification, may can exceed 3 m.
NOTE 2 Change of state commands are not applied during the test.

Table 5 – Fast transients – Test levels at input and output DC power ports
Characteristics Test levels
Test level Voltage peak ±0,5 kV (peak)
Rise time/hold time 5/50 ns
Repetition frequency 5 kHz
NOTE Not applicable to equipment not connected to the mains while in use.

Table 6 – Fast transients – Test levels at input and output AC power ports
Characteristics Test levels
Test level Voltage peak ±1 kV (peak)
Rise time/hold time 5/50 ns
Repetition frequency 5 kHz
5.6 Injected currents (radio-frequency common mode)
Injected current tests are shall be carried out according to IEC 61000-4-6:2013, with test
levels as given in Table 7, Table 8 and Table 9. Examples of coupling and decoupling devices
networks (CDN) are:
AC mains: CDN – Mn
Screened signal cables: CDN – Sn
Unscreened signal cables: CDN – AFn / CDN – Tn
For cables where a CDN is not defined the EM-clamp specified in IEC 61000-4-6:2013 can be
used.
Table 7 – Radio-frequency common mode –
Test levels at ports for signal and control lines
Characteristics Test levels
Frequency range 0,15 MHz to 80 MHz
Test Voltage level 3 V RMS (unmodulated)
Modulation 1 kHz, 80 % AM, sine wave
Source impedance 150 Ω
NOTE Only applicable to ports interfacing with cables whose total length,
according to the manufacturer's specification, may can exceed 3 m.

Table 8 – Radio-frequency common mode –
Test levels at input and output DC power ports
Characteristics Test levels
Frequency range 0,15 MHz to 80 MHz
Test Voltage level 3 V RMS (unmodulated)
Modulation 1 kHz, 80 % AM, sine wave
Source impedance 150 Ω
NOTE 1 Only applicable to ports interfacing with cables whose total length,
according to the manufacturer's specification, can exceed 3 m.
NOTE 2 Only applicable to equipment that is connected to the mains while in use.

– 16 – IEC 61547:2020 RLV © IEC 2020
Table 9 – Radio-frequency common mode –
Test levels at input and output AC power ports
Characteristics Test levels
Frequency range 0,15 MHz to 80 MHz
Test Voltage level 3 V RMS (unmodulated)
Modulation 1 kHz, 80 % AM, sine wave
Source impedance 150 Ω
NOTE Only applicable to ports interfacing with cables whose total length,
according to the manufacturer's specification, may can exceed 3 m.

5.7 Surges
Surge tests are shall be carried out according to IEC 61000-4-5:2014 and
IEC 61000-4-5:2014/AMD1:2017, with test levels as given in Table 10. Pulses shall be applied
to the AC voltage wave as follows: five positive polarity pulses at the 90º phase angle, five
negative polarity pulses at the 270º phase angle. Two test levels are given for different types
of lighting equipment.
Table 10 – Surges – Test levels at input AC power ports
Test levels
Device
Luminaires and
Characteristics
independent auxiliaries
Self-ballasted lamps
and semi-luminaires
Input power
≤25 W >25 W
Wave-shape data 1,2/50 µs 1,2/50 µs 1,2/50 µs
Test levels line to line
±0,5 kV ±0,5 kV ±1,0 kV
line to ground
±1,0 kV ±1,0 kV ±2,0 kV
NOTE In addition to the specified test level, all lower test levels as detailed in IEC 61000-4-5 should
also be satisfied.
a
Test levels
Characteristics
Device
Self-ballasted lamps Lighting equipment (except self-
≤ 25 W ballasted lamps ≤ 25 W)
Wave-shape data
1,2/50 µs 1,2/50 µs
line to line ±0,5 kV ±1,0 kV
b
±2,0 kV
line to ground N.A.
a
In addition to the specified test level, all lower test levels as detailed in IEC 61000-4-5:2014 shall also
be satisfied.
b
Line to ground and neutral to ground surge tests also apply to class II lighting equipment with metal
enclosures which may be connected to earth potential via, for example, the pole or conductive ceiling.
Therefore, during the test the metal enclosure of the host or the luminaire shall be connected to the
ground. For self-ballasted lamps (> 25 W) the conical housing as specified in Annex A of
CISPR 15:2018 shall be used as metal enclosure.

In addition to the levels in Table 10, road and street lighting equipment shall comply with
±2,0 kV line to line and ±4,0 kV line to ground voltages.

In the case where a manufacturer declares an increased surge test level, the basic standard
IEC 61000-4-5:2014 shall be used for this additional test by using the same test procedure as
defined in 5.7.
WARNING – A common mode filter at the input of a driver can double the surge voltage to
ground at the output terminals of the driver. Adequate mitigation measures should be applied,
or the manufacturer of the connected light sources should be notified of the increased surge
voltage to ground at the output terminals.
5.8 Voltage dips and short interruptions
Voltage dip and short interruption tests are shall be carried out according to IEC 61000-4-
11:2004 and IEC 61000-4-11:2004/AMD1:2017, with test levels as given in Table 11 and
Table 12. Changes to the voltage level shall occur at a zero-crossing point in the AC voltage
waveform.
Table 11 – Voltage dips – Test levels at input AC power ports
Characteristics Test levels
Test voltage level 70 %
Number of periods 10
Table 12 – Voltage short interruptions – Test levels at input AC power ports
Characteristics Test levels
Test voltage level 0 %
Number of periods 0,5
5.9 Voltage fluctuations
Tests regarding voltage fluctuations are part of equipment product standards.
6 Application of test specifications
6.1 General
The test requirements apply to the following lighting equipment:
– self-ballasted lamps and semi-luminaires;
– independent auxiliaries;
– Iuminaires or equivalent appliances.
Immunity requirements do not apply to lamps other than self-ballasted lamps, nor to
auxiliaries incorporated in luminaires, in self-ballasted lamps or in semi-Iuminaires. However,
if separate tests have proven that built-in auxiliaries such as ballasts or convertors comply
with the requirements set for independent auxiliaries, the luminaire is deemed to comply and
need not be tested.
6.2 Non-electronic lighting equipment
Lighting equipment, with the exception of emergency lighting luminaires, in which the light
source is mains frequency or battery-operated and which does not contain any active
electronic component, is
...

IEC 61547 ®
Edition 3.0 2020-03
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Equipment for general lighting purposes – EMC immunity requirements

Équipements pour l'éclairage à usage général – Exigences concernant
l’immunité CEM
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.: [phone]
3, rue de Varembé [e-mail]
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 Electropedia - www.electropedia.org
The advanced search enables to find IEC publications by a The world's leading online dictionary on electrotechnology,
variety of criteria (reference number, text, technical containing more than 22 000 terminological entries in English
committee,…). It also gives information on projects, replaced and French, with equivalent terms in 16 additional languages.
and withdrawn publications. Also known as the International Electrotechnical Vocabulary

(IEV) online.
IEC Just Published - webstore.iec.ch/justpublished
Stay up to date on all new IEC publications. Just Published IEC Glossary - std.iec.ch/glossary
details all new publications released. Available online and 67 000 electrotechnical terminology entries in English and
once a month by email. French extracted from the Terms and Definitions clause of
IEC publications issued since 2002. Some entries have been
IEC Customer Service Centre - webstore.iec.ch/csc collected from earlier publications of IEC TC 37, 77, 86 and
If you wish to give us your feedback on this publication or CISPR.

need further assistance, please contact the Customer Service

Centre: [e-mail].
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
plus récente, un corrigendum ou amendement peut avoir été publié.

Recherche de publications IEC - Electropedia - www.electropedia.org
webstore.iec.ch/advsearchform Le premier dictionnaire d'électrotechnologie en ligne au
La recherche avancée permet de trouver des publications IEC monde, avec plus de 22 000 articles terminologiques en
en utilisant différents critères (numéro de référence, texte, anglais et en français, ainsi que les termes équivalents dans
comité d’études,…). Elle donne aussi des informations sur les 16 langues additionnelles. Egalement appelé Vocabulaire
projets et les publications remplacées ou retirées. Electrotechnique International (IEV) en ligne.

IEC Just Published - webstore.iec.ch/justpublished Glossaire IEC - std.iec.ch/glossary
Restez informé sur les nouvelles publications IEC. Just 67 000 entrées terminologiques électrotechniques, en anglais
Published détaille les nouvelles publications parues. et en français, extraites des articles Termes et Définitions des
Disponible en ligne et une fois par mois par email. publications IEC parues depuis 2002. Plus certaines entrées
antérieures extraites des publications des CE 37, 77, 86 et
Service Clients - webstore.iec.ch/csc CISPR de l'IEC.

Si vous désirez nous donner des commentaires sur cette
publication ou si vous avez des questions contactez-nous:
[e-mail].
IEC 61547 ®
Edition 3.0 2020-03
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Equipment for general lighting purposes – EMC immunity requirements

Équipements pour l'éclairage à usage général – Exigences concernant

l’immunité CEM
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 29.020; 29.140.01; 33.100.10 ISBN 978-2-8322-8018-8

– 2 – IEC 61547:2020 © IEC 2020
CONTENTS
FOREWORD . 4
1 Scope . 6
2 Normative references . 7
3 Terms and definitions . 7
4 Performance criteria . 9
4.1 General . 9
4.2 Categorization of performance criteria . 10
4.3 Objective assessment of luminous intensity performance . 10
5 Test specifications . 11
5.1 General . 11
5.2 Electrostatic discharges . 12
5.2.1 General . 12
5.2.2 Electrostatic discharge to touchable surfaces . 12
5.2.3 Road and street lighting equipment . 12
5.3 Radio-frequency electromagnetic fields . 12
5.4 Power frequency magnetic fields . 13
5.5 Fast transients . 13
5.6 Injected currents (radio-frequency common mode) . 14
5.7 Surges . 15
5.8 Voltage dips and short interruptions . 15
6 Application of test specifications . 16
6.1 General . 16
6.2 Applicability of tests and associated performance criterion . 16
7 Conditions during testing . 17
8 Assessment of conformity . 17
Annex A (informative) Rationale and criteria for tests and performance criteria . 18
A.1 Types and levels of disturbances . 18
A.2 Electromagnetic interference effects . 18
A.3 Selection test phenomena, levels and criteria . 18
Bibliography . 20

Figure 1 – Examples of ports . 8
Figure A.1 – Lighting equipment in an application . 19
Figure A.2 – EUT in a test . 19
Figure A.3 – Failure mode and effects . 19

Table 1 – Electrostatic discharges – Test levels at enclosure port . 12
Table 2 – Radio-frequency electromagnetic fields – Test levels at enclosure port . 13
Table 3 – Power frequency magnetic fields – Test levels at enclosure port . 13
Table 4 – Fast transients – Test levels at ports for signal/control lines and load ports . 13
Table 5 – Fast transients – Test levels at input and output DC power ports . 13
Table 6 – Fast transients – Test levels at input and output AC power ports . 14
Table 7 – Radio-frequency common mode – Test levels at ports for signal and control lines . 14

Table 8 – Radio-frequency common mode – Test levels at input and output DC power
ports . 14
Table 9 – Radio-frequency common mode – Test levels at input and output AC power

ports . 15
Table 10 – Surges – Test levels at input AC power ports . 15
Table 11 – Voltage dips – Test levels at input AC power ports . 16
Table 12 – Voltage short interruptions – Test levels at input AC power ports . 16
Table 13 – Test applicability and associated performance criterion . 17

– 4 – IEC 61547:2020 © IEC 2020
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
EQUIPMENT FOR GENERAL LIGHTING PURPOSES –
EMC IMMUNITY REQUIREMENTS
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.
International Standard IEC 61547 has been prepared by IEC technical committee 34: Lamps
and related equipment.
This third edition cancels and replaces the second edition, published in 2009. This edition
constitutes a technical revision
This edition includes the following significant technical changes with respect to the previous
edition:
a) extension of scope with end-user replaceable modules and the combination of end-user
replaceable module and independent auxiliary;
b) clarification of module testing in a host system;
c) increased ESD and surge test levels for road and street lighting equipment;
d) the introduction of ESD testing under normal operation and handling conditions;
e) removal of line to ground surge test for self-ballasted lamps ≤ 25 W.

The text of this International Standard is based on the following documents:
FDIS Report on voting
34/676/FDIS 34/689/RVD
Full information on the voting for the approval of this International Standard can be found in
the report on voting indicated in the above table.
This document has been drafted in accordance with the ISO/IEC Directives, Part 2.
This document is to be read in conjunction with the relevant basic and/or product standard(s).
A list of all parts in the IEC 61547 series, published under the general title Equipment for
general lighting purposes – EMC immunity requirements, can be found on the IEC website.
The committee has decided that the contents of this document will remain unchanged until the
stability date indicated on the IEC website under "http://webstore.iec.ch" in the data related to
the specific document. At this date, the document will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
IMPORTANT – The 'colour inside' logo on the cover page of this publication indicates
that it contains colours which are considered to be useful for the correct
understanding of its contents. Users should therefore print this document using a
colour printer.
– 6 – IEC 61547:2020 © IEC 2020
EQUIPMENT FOR GENERAL LIGHTING PURPOSES –
EMC IMMUNITY REQUIREMENTS
1 Scope
This part of IEC 61547 which deals with electromagnetic immunity requirements, applies to
lighting equipment which is within the scope of IEC technical committee 34, including
apparatus such as lamps, luminaires, and modules.
Excluded from the scope of this document are:
– components or modules intended to be built into lighting equipment and which are not
end-user replaceable;
– equipment for which the electromagnetic compatibility requirements in the radio-frequency
range are explicitly formulated in other product immunity standards, even if they
incorporate a built-in lighting function.
NOTE Examples of exclusions are:
– equipment with built-in lighting devices for display back lighting, scale illumination and signaling;
– SSL-displays;
– range hoods, refrigerators, freezers;
– photocopiers, projectors;
– electronic switches for fixed installations;
– lighting equipment for road vehicles (within the scope of CISPR 12);
– lighting equipment for aircraft and airfield facilities.
However, in multi-function equipment where the lighting function operates independently from
other functions, the electromagnetic immunity requirements of this document apply to the
lighting function only.
Lighting equipment with a wireless control function are also within the scope of this document.
However, the test is limited to the control of the lighting function only. Radio properties like
frequency stability or spurious emissions are not assessed.
EXAMPLE Colour/light level control via a wireless interface are meant to stay intact after an immunity test.
Also included in the scope of this document is lighting equipment that interfaces with systems
or installations other than common power supply networks.
The requirements of this document are based on the requirements for domestic, commercial
and light-industrial environments as given in IEC 61000-6-1:2016, but modified to lighting
engineering practice.
It can be expected that lighting equipment complying with the requirements of this document
will operate satisfactorily in other environments. In some special cases, measures can be
taken to provide higher immunity. In this document it is impracticable to deal with all these
possibilities. Such requirements can be established by contractual agreement between
supplier and purchaser.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their
content constitutes requirements of this document. For dated references, only the edition
cited applies. For undated references, the latest edition of the referenced document (including
any amendments) applies.
IEC 60050-161, International Electrotechnical Vocabulary – Part 161: Electromagnetic
Compatibility (available at http://www.electropedia.org)
IEC 60050-845, International Electrotechnical Vocabulary – Part 845: Lighting (available at
http://www.electropedia.org)
IEC 60598-1:2014, Luminaires – Part 1: General requirements and tests
IEC 61000-4-2:2008, Electromagnetic compatibility (EMC) – Part 4-2: Testing and
measurement techniques – Electrostatic discharge immunity test
IEC 61000-4-3:2006, Electromagnetic compatibility (EMC) – Part 4-3: Testing and

measurement techniques – Radiated, radio frequency, electromagnetic field immunity test
IEC 61000-4-3:2006/AMD1:2007
IEC 61000-4-3:2006/AMD2:2010
IEC 61000-4-4:2012, Electromagnetic compatibility (EMC) – Part 4-4: Testing and
measurement techniques – Electrical fast transient/burst immunity test
IEC 61000-4-5:2014, Electromagnetic compatibility (EMC) – Part 4-5: Testing and
measurement techniques – Surge immunity test
IEC 61000-4-5:2014/AMD1:2017
IEC 61000-4-6:2013, Electromagnetic compatibility (EMC) – Part 4-6: Testing and
measurement techniques – Immunity to conducted disturbances, induced by radio-frequency
fields
IEC 61000-4-8:2009, Electromagnetic compatibility (EMC) – Part 4-8: Testing and
measurement techniques – Power frequency magnetic field immunity test
IEC 61000-4-11:2004, Electromagnetic compatibility (EMC) – Part 4-11: Testing and
measurement techniques – Voltage dips, short interruptions and voltage variations immunity
tests
IEC 61000-4-11:2004/AMD1:2017
IEC CISPR 15:2018, Limits and methods of measurement of radio disturbance characteristics
of electrical lighting and similar equipment
3 Terms and definitions
For the purposes of this document, the terms and definitions given in IEC 60050-161 and
IEC 60050-845 and the following apply.
ISO and IEC maintain terminological databases for use in standardization at the following
addresses:
• IEC Electropedia: available at http://www.electropedia.org/
• ISO Online browsing platform: available at http://www.iso.org/obp

– 8 – IEC 61547:2020 © IEC 2020
3.1
enclosure port
physical boundary of the equipment through which electromagnetic fields may radiate or
penetrate
3.2
AC power port
port at which a conductor or cable, intended to supply AC power from a mains network to the
equipment, is connected to the equipment
3.3
DC power port
port at which conductor or cable, intended to supply DC power from a network to the
equipment, is connected to the equipment
3.4
load port
port at which the power cable of the load is connected to the equipment
3.5
end-user replaceable module
electronic or electrical part which serves a specific function or functions of a lighting
application, which is intended for application in a luminaire or in an installation by an end-user
and which is intended to be marketed and/or sold separately from a lighting equipment or
system
EXAMPLE Starter, controlgear, ELV lamps, control unit, LEDni module, LEDsi module.
Note 1 to entry: End-user replaceable modules are replaceable modules excluding non-user replaceable modules.
3.6
port
category of an interface of an EUT which provides a coupling path for electromagnetic
disturbances from the electromagnetic environment into the EUT
Note 1 to entry: Figure 1 shows examples of ports. The AC/DC power port may include the protective earth
conductor.
Figure 1 – Examples of ports
3.7
signal port
control port
port at which a signal cable is connected to the equipment
3.8
road and street lighting equipment
lighting equipment for illuminating roads, streets, tunnels and other public outdoor areas at a
minimum total height above normal ground level of 2,5 m

3.9
lighting equipment
equipment with a primary function of generating and/or regulating and/or distributing optical
radiation
EXAMPLE
• light sources and luminaires;
• the lighting part of multi-function equipment where one of the primary functions of this is illumination;
• modules like ELV lamps, self-ballasted lamps and controlgear;
• ultraviolet (UV) and infrared (IR) radiation equipment.
3.10
non-integrated LED lamp
LEDni lamp
LED lamp which needs a separate controlgear to operate
3.11
semi-integrated LED lamp
LEDsi lamp
LED lamp which carries the control unit of the controlgear, and is operated by the separated
power supply of the controlgear
3.12
ELV
extra-low voltage
voltage not exceeding the relevant voltage limit of band I specified in IEC 60449
[SOURCE: IEC 60050-826:2004, 826-12-30]
3.13
self-ballasted lamp
integrated lamp
electric lamp that cannot be dismantled without being permanently damaged, incorporating
controlgear, and all additional elements necessary for starting and stable operation of the light
source, designed for direct connection of the supply voltage
[SOURCE: IEC 60050-845:—, 845-27-009, modified – Addition of "self-ballasted lamp" as a
preferred term.]
3.14
standby mode
mode in which the light source is switched off while still connected to a power supply
[SOURCE: IEC 60050-845:—, 845-27-125]
4 Performance criteria
4.1 General
For the various immunity tests that apply, the performance of the following functions shall be
assessed, as far as applicable or specified by the manufacturer:
– the luminous intensity of the Iuminaire or of the light source(s);
– the control function, for example on/off switching, light level setting, colour adjustment,
wireless control.
– 10 – IEC 61547:2020 © IEC 2020
For these functions, three different levels of performance criteria are specified in 4.2. The
functions assessed and the performance criteria for each individual test shall be noted in the
test report.
The effects of electromagnetic disturbances on the life of the equipment under test are
excluded from this document.
4.2 Categorization of performance criteria
The following three categories of performance criteria apply.
a) Performance criterion A
During the test, no change of the Iuminous intensity shall be observed and the regulating
control, if any, shall operate during the test as intended.
b) Performance criterion B
During the test, the Iuminous intensity may change to any value. After the test, the
Iuminous intensity shall be restored to its initial value within 1 min (30 min for high
pressure gas discharge lamps). Regulating controls need not function during the test, but
after the test, the mode of the control shall be the same as before the test, provided that
during the test no mode changing commands were given.
c) Performance criterion C
During and after the test, any change of the luminous intensity is allowed and the light
source(s) may be extinguished. After the test, within 30 min, all functions shall return to
normal, if necessary by temporary interruption of the mains supply and/or operating the
regulating control.
The following additional requirement applies to lighting equipment incorporating a starting
device: after the test, the lighting equipment is switched off for 30 min and back on again. The
lighting equipment shall start and operate as intended.
The application of the different performance criteria for the various types of tests and for
different lighting equipment are specified in Clause 6.
4.3 Objective assessment of luminous intensity performance
A change of luminous intensity shall be checked by either one of the following requirements:
• no change of luminous intensity by visual observation, or
• the luminous intensity of a lighting equipment by measurement.
When being measured, the luminous intensity of lighting equipment shall be measured by
means of an illuminance (lux) meter which is positioned in an axis perpendicular to the main
plane of the lighting equipment, in its centre and at a distance for proper operation of the lux
meter. The luminous intensity shall be deemed to be unchanged if the measured intensities
during and after the test do not deviate by more than 15 %. In stand-by mode the change of
the luminous intensity shall be less than 5 % of the maximum luminous intensity (100 % light
output).
Care shall be taken to ensure the ambient light level does not influence the measurement
results.
Precautions to achieve reproducible results given in the relevant light source performance
standards shall be observed.
5 Test specifications
5.1 General
Immunity requirements for lighting equipment are specified in 5.2 to 5.8 on a port by port
basis for the following disturbances:
– electrostatic discharges;
– continuous and transient disturbances;
– radiated and conducted disturbances;
– mains supply-related disturbances.
Tests are applied to the relevant ports of the equipment as indicated in the respective clauses.
For the purposes of this document, DC power ports for supplying regulating controls are
considered to be signal ports. Tests shall be conducted in a well-defined and reproducible
manner. Tests shall be carried out as single tests in sequence. The sequence of testing is
optional.
It may be determined from consideration of the electrical characteristics and usage of
particular equipment that some of the tests are inappropriate and therefore unnecessary. In
such cases it is required that the decision not to test be recorded in the test report.
The description of the test, the test generator, the test methods and the test set-up are given
in the basic standards, which are referred to in the relevant clauses.
In this document, in most cases, the selected test levels are based on level 2 values as given
in the basic test and measurement immunity standards; these standards are referred to in the
respective clauses.
Further explanation on the methodology and criteria why certain test phenomena, test levels
and performance criteria are chosen for certain types of lighting equipment are given in
Annex A.
Modules are tested as any other lighting equipment but shall be mounted in a representative
host and the port(s) of the module being assessed shall be terminated accordingly. A
representative host is a reference luminaire or reference system that enables proper
functioning of the EUT. The functions of the host that are specific to the module being
assessed shall be exercised during the tests. The host shall also incorporate essential EMI
protection means or mitigation measures if these are explicitly specified by the manufacturer
for application of such a module. A representative host shall also include the safety Class I or
II features, whichever is applicable. If the module is tested in a host, the correct functioning of
the combination shall be verified prior to the application of the disturbance. A detailed
description of the host shall be given in the test report. Self-ballasted lamps shall be tested in
hosts (reference luminaires) as specified in CISPR 15:2018, Annex A.
For modules, the length of the cables between the module and other devices that are part of
the host shall be 3 m unless the manufacturer specifies another length.
NOTE 1 Depending on the type of lighting equipment, for ESD tests deviating requirements for using
representative hosts can apply (see 5.2.2).
NOTE 2 The word module in this document refers to end-user replaceable modules as defined in 3.5.

– 12 – IEC 61547:2020 © IEC 2020
5.2 Electrostatic discharges
5.2.1 General
Electrostatic discharge tests shall be carried out according to IEC 61000-4-2:2008, with test
levels as given in Table 1 for all lighting equipment and additional test levels as given in 5.2.3
for road and street lighting equipment. Contact discharge is the preferred test method. Twenty
discharges (10 with positive and 10 with negative polarity) shall be applied on each
accessible metallic part of the enclosure, including terminals for connecting end-user
replaceable modules. Air discharges shall be used where contact discharges cannot be
applied. In addition, discharges shall be applied on the horizontal and vertical coupling planes,
as specified in IEC 61000-4-2:2008.
5.2.2 Electrostatic discharge to touchable surfaces
The electrostatic discharge (ESD) test shall be executed for the following use cases:
1) During normal operation: Electrostatic discharges shall be applied only to points and
surfaces of the EUT which are expected to be touched during normal operation. Modules
and self-ballasted lamps are tested in a representative host as described in 5.1.
2) During handling: Electrostatic discharges shall be applied to interconnecting pins,
terminals or any metal parts of end-user replaceable modules which are accessible during
installation and maintenance by the end-user. Tests shall be carried out without the host
whereas the assessment of the performance of the module may be done inside the host
configuration.
NOTE "Accessible" means accessible under normal operating conditions including user maintenance. The EUT is
not powered during the handling of ESD tests.
Table 1 – Electrostatic discharges – Test levels at enclosure port
Characteristics Test voltage
Air discharge ±8 kV
±4 kV
Contact discharge
5.2.3 Road and street lighting equipment
In addition to the requirements in 5.2.2, road and street lighting equipment shall be tested for
air discharge at ±15 kV and for contact discharge at ±8 kV. This is to simulate the
phenomenon of static charging during thunderstorms.
End-user replaceable modules that are accessible during installation and maintenance shall
be tested according to 5.2.2. The term "road and street lighting equipment" signifies the
combination of the module(s) and the luminaire as installed in the final application.
5.3 Radio-frequency electromagnetic fields
Radio frequency (RF) electromagnetic field tests shall be carried out according to
IEC 61000-4-3:2006, IEC 61000-4-3:2006/AMD1:2007 and IEC 61000-4-3:2006/AMD2:2010
with test levels as given in Table 2.
NOTE In contrast to generic immunity standards, the frequency range in this document is limited to 1 GHz, since
lighting equipment generally complies with the test levels above 1 GHz, provided it also complies below 1 GHz.

Table 2 – Radio-frequency electromagnetic fields – Test levels at enclosure port
Characteristics Test levels
Frequency range 80 MHz to 1 000 MHz
Test field strength 3 V/m (unmodulated) See Note
Modulation 1 kHz, 80 % AM, sine wave
NOTE For information regarding situations with a high concentration of mobile
transmitters see for example IEC TR 61000-2-5:2017, 9.3.

5.4 Power frequency magnetic fields
Power frequency magnetic field tests shall be carried out according to IEC 61000-4-8:2009,
with test levels as given in Table 3 and need only to be applied to equipment containing
components susceptible to magnetic fields, such as Hall elements or magnetic field sensors.
In case of mains-operated devices, the test frequency shall be locked to the mains frequency.
Table 3 – Power frequency magnetic fields – Test levels at enclosure port
Characteristics Test levels
Test frequency 50/60 Hz
Magnetic field strength 3 A/m
5.5 Fast transients
Fast transient tests shall be carried out according to IEC 61000-4-4:2012, with test levels as
given in Table 4, Table 5 and Table 6. Fast transients are carried out with a minimum duration
of 2 min with a positive polarity and a minimum of 2 min with a negative polarity.
Table 4 – Fast transients – Test levels at ports for signal/control lines and load ports
Characteristics Test levels
Voltage peak ±0,5 kV (peak)
Rise time/hold time 5/50 ns
Repetition frequency 5 kHz
NOTE 1 Only applicable to ports interfacing with cables whose total length,
according to the manufacturer's specification, can exceed 3 m.
NOTE 2 Change of state commands are not applied during the test.

Table 5 – Fast transients – Test levels at input and output DC power ports
Characteristics Test levels
Voltage peak ±0,5 kV (peak)
Rise time/hold time 5/50 ns
Repetition frequency 5 kHz
NOTE Not applicable to equipment not connected to the mains while in use.

– 14 – IEC 61547:2020 © IEC 2020
Table 6 – Fast transients – Test levels at input and output AC power ports
Characteristics Test levels
Voltage peak ±1 kV (peak)
Rise time/hold time 5/50 ns
Repetition frequency 5 kHz
5.6 Injected currents (radio-frequency common mode)
Injected current tests shall be carried out according to IEC 61000-4-6:2013, with test levels as
given in Table 7, Table 8 and Table 9. Examples of coupling and decoupling networks (CDN)
are:
AC mains: CDN – Mn
Screened signal cables: CDN – Sn
Unscreened signal cables: CDN – AFn / CDN – Tn
For cables where a CDN is not defined the EM-clamp specified in IEC 61000-4-6:2013 can be
used.
Table 7 – Radio-frequency common mode –
Test levels at ports for signal and control lines
Characteristics Test levels
Frequency range 0,15 MHz to 80 MHz
Voltage level 3 V RMS (unmodulated)
Modulation 1 kHz, 80 % AM, sine wave
Source impedance 150 Ω
NOTE Only applicable to ports interfacing with cables whose total length,
according to the manufacturer's specification, can exceed 3 m.

Table 8 – Radio-frequency common mode –
Test levels at input and output DC power ports
Characteristics Test levels
Frequency range 0,15 MHz to 80 MHz
Voltage level 3 V RMS (unmodulated)
Modulation 1 kHz, 80 % AM, sine wave
Source impedance 150 Ω
NOTE 1 Only applicable to ports interfacing with cables whose total length,
according to the manufacturer's specification, can exceed 3 m.
NOTE 2 Only applicable to equipment that is connected to the mains while in use.

Table 9 – Radio-frequency common mode –
Test levels at input and output AC power ports
Characteristics Test levels
Frequency range 0,15 MHz to 80 MHz
Voltage level 3 V RMS (unmodulated)
Modulation 1 kHz, 80 % AM, sine wave
Source impedance 150 Ω
NOTE Only applicable to ports interfacing with cables whose total length,
according to the manufacturer's specification, can exceed 3 m.

5.7 Surges
Surge tests shall be carried out according to IEC 61000-4-5:2014 and
IEC 61000-4-5:2014/AMD1:2017, with test levels as given in Table 10. Pulses shall be applied
to the AC voltage wave as follows: five positive polarity pulses at the 90º phase angle, five
negative polarity pulses at the 270º phase angle.
Table 10 – Surges – Test levels at input AC power ports
a
Test levels
Characteristics
Device
Self-ballasted lamps Lighting equipment (except self-
≤ 25 W ballasted lamps ≤ 25 W)
Wave-shape data
1,2/50 µs 1,2/50 µs
±1,0 kV
line to line ±0,5 kV
b
±2,0 kV
line to ground N.A.
a
In addition to the specified test level, all lower test levels as detailed in IEC 61000-4-5:2014 shall also
be satisfied.
b
Line to ground and neutral to ground surge tests also apply to class II lighting equipment with metal
enclosures which may be connected to earth potential via, for example, the pole or conductive ceiling.
Therefore, during the test the metal enclosure of the host or the luminaire shall be connected to the
ground. For self-ballasted lamps (> 25 W) the conical housing as specified in Annex A of
CISPR 15:2018 shall be used as metal enclosure.

In addition to the levels in Table 10, road and street lighting equipment shall comply with
±2,0 kV line to line and ±4,0 kV line to ground voltages.
In the case where a manufacturer declares an increased surge test level, the basic standard
IEC 61000-4-5:2014 shall be used for this additional test by using the same test procedure as
defined in 5.7.
WARNING – A common mode filter at the input of a driver can double the surge voltage to
ground at the output terminals of the driver. Adequate mitigation measures should be applied,
or the manufacturer of the connected light sources should be notified of the increased surge
voltage to ground at the output terminals.
5.8 Voltage dips and short interruptions
Voltage dip and short interruption tests shall be carried out according to IEC 61000-4-11:2004
and IEC 61000-4-11:2004/AMD1:2017, with test levels as given in Table 11 and Table 12.
Changes to the voltage level shall occur at a zero-crossing point in the AC voltage waveform.

– 16 – IEC 61547:2020 © IEC 2020
Table 11 – Voltage dips – Test levels at input AC power ports
Characteristics Test levels
Test voltage level 70 %
Number of periods 10
Table 12 – Voltage short interruptions – Test levels at input AC power ports
Characteristics Test levels
Test voltage level 0 %
Number of periods 0,5
6 Application of test specifications
6.1 General
For lighting equipment containing active electronic components (which, for example, convert
or regulate the operating voltage and/or the frequency of the light source) the requirements
are given in 6.2.
Lighting equipment without active electronic components are deemed to comply without
testing.
Modules that are not end-user replaceable are not in the scope of this document but may be
tested according to this document for information purposes (for instance, of luminaire
manufacturers).
6.2 Applicability of tests and associated performance criterion
Lighting equipment shall be tested in accordance with Clause 5 and comply with the
performance criteria of Table 13.
Lighting equipment applying only modules which are pretested, installed and used in
accordance with the component manufacturer’s instructions, are deemed to comply with this
document without testing.
Table 13 – Test applicability and associated performance criterion
Test applicability (Clause 5) and associated performance criterion (4.2)
5.8 5.8
5.2 5.3 5.4 5.5 5.6 5.7
Table 11 Table 12
Self-ballasted lamps B A A B A C B B
Lighting equipment (excluding
self-ballasted lamps) e a
B A A B A C B B
Module in host
Lighting equipment for d d
b b b
B A A B A B
c
emergency lighting
a
For lighting equipment where the light source is not able to restart within 1 min, due to the physical
constraints of the light source, performance criterion C applies.
b
For emergency lighting equipment designed to operate in high-risk task areas, after the test, the luminous
intensity shall be restored to its initial value within 0,5 s.
c
Lighting equipment for emergency lighting shall be tested in both the normal and emergency mode of
operation.
d
These tests do not apply as they are covered by the test in IEC 60598-2-22.
e
Criterion C applies to lighting equipment (and/or modules) for road and street lighting.

7 Conditions during testing
The tests shall be applied while the equipment is operated as intended under the normal
operating conditions as laid down in the relevant product standard at stabilized Iuminous
(radiant) flux and at normal laboratory conditions. Testing is only required at one combination
of supply voltage and frequency, as specified by the manufacturer.
Lighting equipment which is dimmable by means of a separate phase cut dimmer is assessed
without a dimmer.
Equipment including a regulating control shall be tested at a light output level closest to 50 %.
If two steps equally distant to 50 % are available, the lower level shall be used for the test.
The light source load of the equipment under test shall be the maximum allowed.
The standby mode of operation, if available, shall be tested separately.
Lighting equipment shall be tested with light sources for which they are intended. Where
equipment can operate with light sources of different wattages, light sources of maximum
wattage shall be applied. Light sources shall be test light sources as described in
IEC 60598-1:2014, Annex
...