EN IEC 62561-6:2023

SLOVENSKI STANDARD
01-september-2023
Elementi za zaščito pred strelo (LPSC) - 6. del: Zahteve za števce udarov strele
(LSC) (IEC 62561-6:2023)
Lightning protection system components (LPSC) - Part 6: Requirements for lightning
strike counters (LSC) (IEC 62561-6:2023)
Blitzschutzsystembauteile (LPSC) - Teil 6: Anforderungen an Blitzzähler (LSC) (IEC
62561-6:2023)
Composants des systèmes de protection contre la foudre (CSPF) - Partie 6: Exigences
pour les compteurs de coups de foudre (LSC) (IEC 62561-6:2023)
Ta slovenski standard je istoveten z: EN IEC 62561-6:2023
ICS:
91.120.40 Zaščita pred strelo Lightning protection
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN IEC 62561-6

NORME EUROPÉENNE
EUROPÄISCHE NORM June 2023
ICS 29.020; 91.120.40 Supersedes EN IEC 62561-6:2018; EN IEC 62561-
6:2018/AC:2018-04
English Version
Lightning protection system components (LPSC) - Part 6:
Requirements for lightning strike counters (LSCs)
(IEC 62561-6:2023)
Composants des systèmes de protection contre la foudre Blitzschutzsystembauteile (LPSC) - Teil 6: Anforderungen
(CSPF) - Partie 6: Exigences pour les compteurs de coups an Blitzzähler (LSC)
de foudre (LSC) (IEC 62561-6:2023)
(IEC 62561-6:2023)
This European Standard was approved by CENELEC on 2023-06-19. CENELEC members are bound to comply with the CEN/CENELEC
Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.
Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC
Management Centre or to any CENELEC member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation
under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the
same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the
Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Türkiye and the United Kingdom.

European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2023 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN IEC 62561-6:2023 E

European foreword
The text of document 81/723/FDIS, future edition 3 of IEC 62561-6, prepared by IEC/TC 81 "Lightning
protection" was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as
The following dates are fixed:
• latest date by which the document has to be implemented at national (dop) 2024-03-19
level by publication of an identical national standard or by endorsement
• latest date by which the national standards conflicting with the (dow) 2026-09-19
document have to be withdrawn
This document supersedes EN IEC 62561-6:2018 and all of its amendments and corrigenda (if any).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights.
Any feedback and questions on this document should be directed to the users’ national committee. A
complete listing of these bodies can be found on the CENELEC website.
Endorsement notice
The text of the International Standard IEC 62561-6:2023 was approved by CENELEC as a European
Standard without any modification.
In the official version, for Bibliography, the following notes have to be added for the standard indicated:
IEC 61180 NOTE Approved as EN 61180
IEC 62305 (series) NOTE Approved as EN 62305 (series)
IEC 62475 NOTE Approved as EN 62475
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications
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.
NOTE 1  Where an International Publication has been modified by common modifications, indicated by (mod),
the relevant EN/HD applies.
NOTE 2  Up-to-date information on the latest versions of the European Standards listed in this annex is available
here: www.cencenelec.eu.
Publication Year Title EN/HD Year
IEC 60068-2-52 2017 Environmental testing - Part 2-52: Tests - Test EN IEC 60068-2-52 2018
Kb: Salt mist, cyclic (sodium, chloride solution)
IEC 60068-2-75 2014 Environmental testing - Part 2-75: Tests - Test EN 60068-2-75 2014
Eh: Hammer tests
IEC 60529 - Degrees of protection provided by enclosures - -
(IP Code)
IEC 61000-6-2 - Electromagnetic compatibility (EMC) - Part 6-2: EN IEC 61000-6-2 -
Generic standards - Immunity standard for
industrial environments
IEC 61000-6-4 - Electromagnetic compatibility (EMC) - Part 6-4: EN IEC 61000-6-4 -
Generic standards - Emission standard for
industrial environments
ISO 4892-2 2013 Plastics - Methods of exposure to laboratory EN ISO 4892-2 2013
light sources - Part 2: Xenon-arc lamps
ISO 4892-3 2016 Plastics - Methods of exposure to laboratory EN ISO 4892-3 2016
light sources - Part 3: Fluorescent UV lamps
ISO 4892-4 2013 Plastics - Methods of exposure to laboratory - -
light sources - Part 4: Open-flame carbon-arc
lamps
ISO 22479 2019 Corrosion of metals and alloys - Sulphur EN ISO 22479 2022
dioxide test in a humid atmosphere (fixed gas
method)
ISO 6957 1988 Copper alloys; ammonia test for stress - -
corrosion resistance
IEC 62561-6 ®
Edition 3.0 2023-05
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Lightning protection system components (LPSC) –

Part 6: Requirements for lightning strike counters (LSCs)

Composants des systèmes de protection contre la foudre (CSPF) –

Partie 6: Exigences pour les compteurs de coups de foudre (LSC)

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 29.020, 91.120.40 ISBN 978-2-8322-6861-2

– 2 – IEC 62561-6:2023  IEC 2023
CONTENTS
FOREWORD . 4
INTRODUCTION . 6
1 Scope . 7
2 Normative references . 7
3 Terms and definitions . 8
4 Classification . 9
4.1 Type of LSC . 9
4.2 LSC Internal circuit . 9
4.3 LSC installation location . 9
5 Requirements . 10
5.1 General . 10
5.2 Documentation . 10
5.3 Marking . 10
5.3.1 Content of marking . 10
5.3.2 Durability and legibility . 11
5.4 Design . 11
6 Tests . 12
6.1 General test conditions . 12
6.1.1 General . 12
6.1.2 Impulse discharge current count for LSC Type I . 12
6.1.3 Nominal discharge current count for LSC Type II . 13
6.2 Documentation and installation instructions . 14
6.2.1 General conditions . 14
6.2.2 Acceptance criteria . 14
6.3 Marking test . 14
6.3.1 General test conditions . 14
6.3.2 Acceptance criteria . 14
6.4 Ultraviolet (UV) light resistance . 14
6.4.1 General test conditions . 14
6.4.2 Acceptance criteria . 14
6.5 Resistance tests to corrosion (for metallic parts) . 15
6.5.1 General test conditions . 15
6.5.2 Acceptance criteria . 15
6.6 Impact test . 15
6.6.1 General test conditions . 15
6.6.2 Acceptance criteria . 16
6.7 Index of protection confirmation (IP Code) . 16
6.8 Electrical tests . 16
6.8.1 General test conditions . 16
6.8.2 Minimum discharge current counting test . 16
6.8.3 Threshold current test . 17
6.8.4 Maximum impulse current counting test . 18
6.8.5 Performance verification test . 18
7 Electromagnetic compatibility (EMC) . 18
7.1 Electromagnetic immunity . 18
7.2 Electromagnetic emission . 19

IEC 62561-6:2023  IEC 2023 – 3 –
8 Structure and content of the test report . 19
8.1 General . 19
8.2 Report identification . 19
8.3 Specimen description . 19
8.4 Standards and references . 20
8.5 Test procedure . 20
8.6 Testing equipment description . 20
8.7 Measuring instruments description . 20
8.8 Results and parameters recorded . 20
8.9 Statement of pass/fail . 20
Annex A (normative) Resistance to UV light . 21
A.1 General . 21
A.2 Test . 21
A.3 First alternative test to Clause A.2 . 21
A.4 Second alternative test to Clause A.2 . 21
Annex B (normative) Resistance to corrosion tests for LSCs . 22
B.1 General . 22
B.2 Salt mist test . 22
B.3 Humid sulphurous atmosphere test . 22
B.4 Ammonia atmosphere treatment. 22
Annex C (normative) Flowchart for testing LSCs . 23
Annex D (normative) Applicability of previous tests . 24
Bibliography . 25

Figure C.1 – Flowchart for testing of LSCs . 23

Table 1 – Preferred parameters for impulse discharge currents counted (I ) . 13
imp
Table 2 – Preferred parameters for nominal discharge currents counted (I ) . 13
n
Table D.1 – Differences in the requirements for LSCs complying with
IEC 62561-6:2011 or IEC 62561-6:2018 . 24

– 4 – IEC 62561-6:2023  IEC 2023
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
LIGHTNING PROTECTION SYSTEM COMPONENTS (LPSC) –

Part 6: Requirements for lightning strike counters (LSCs)

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.
IEC 62561-6 has been prepared by IEC technical committee 81: Lightning protection. It is an
International Standard.
This third edition cancels and replaces the second edition published in 2018. This edition
constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous
edition:
a) a new classification according to the internal circuit of LSCs has been added;
b) the tests flowchart in Annex C has been updated to reflect this new classification;
c) the applicability of previous tests has been added (Annex D).

IEC 62561-6:2023  IEC 2023 – 5 –
The text of this International Standard is based on the following documents:
FDIS Report on voting
81/723/FDIS 81/726/RVD
Full information on the voting for its approval can be found in the report on voting indicated in
the above table.
The language used for the development of this International Standard is English.
This document was drafted in accordance with ISO/IEC Directives, Part 2, and developed in
accordance with ISO/IEC Directives, Part 1 and ISO/IEC Directives, IEC Supplement,
available at www.iec.ch/members_experts/refdocs. The main document types developed by
IEC are described in greater detail at www.iec.ch/standardsdev/publications.
A list of all parts in the IEC 62561 series, published under the general title Lightning
protection system components (LPSC), 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 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.
– 6 – IEC 62561-6:2023  IEC 2023
INTRODUCTION
This part of IEC 62561 deals with the requirements and tests for lightning protection system
components (LPSC) used to determine the number of impulses or nominal currents on
specific conductors associated with a lightning protection system (LPS) designed and
implemented according to the IEC 62305 series.

IEC 62561-6:2023  IEC 2023 – 7 –
LIGHTNING PROTECTION SYSTEM COMPONENTS (LPSC) –

Part 6: Requirements for lightning strike counters (LSCs)

1 Scope
This part of IEC 62561 specifies the requirements and tests for devices intended to count the
number of lightning strikes based on the current flowing in a conductor. This conductor can be
part of a lightning protection system (LPS) or connected to an SPD installation or other
conductors, which are not intended to conduct a significant portion of lightning currents.
Extra requirements for the components can be necessary for LSCs intended for use in
hazardous atmospheres.
NOTE In CENELEC member countries, testing requirements of components for explosive atmospheres are
specified in CLC/TS 50703-2.
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 60068-2-52:2017, Environmental testing – Part 2-52: Tests – Test Kb: Salt mist, cyclic
(sodium, chloride solution)
IEC 60068-2-75:2014, Environmental testing – Part 2-75: Tests – Test Eh: Hammer tests
IEC 60529, Degrees of protection provided by enclosures (IP Code)
IEC 61000-6-2, Electromagnetic compatibility (EMC) – Part 6-2: Generic standards –
Immunity standard for industrial environments
IEC 61000-6-4, Electromagnetic compatibility (EMC) – Part 6-4: Generic standards –
Emission standard for industrial environments
ISO 4892-2:2013, Plastics – Methods of exposure to laboratory light sources – Part 2:
Xenon-arc lamps
ISO 4892-3:2016, Plastics – Methods of exposure to laboratory light sources – Part 3:
Fluorescent UV lamps
ISO 4892-4:2013, Plastics – Methods of exposure to laboratory light sources – Part 4:
Open-flame, carbon-arc lamps
ISO 22479:2019, Corrosion of metals and alloys – Sulphur dioxide test in a humid atmosphere
(fixed gas method)
ISO 6957:1988, Copper alloys – Ammonia test for stress corrosion resistance

– 8 – IEC 62561-6:2023  IEC 2023
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
ISO and IEC maintain terminology 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
LSC
lightning strike counter
device intended to count the number of lightning strikes based on current flowing in a
conductor
3.2
lightning strike counter Type I
LSC Type I
LSC classified by its design to count impulse discharge currents
3.3
lightning surge counter Type II
LSC Type II
LSC classified by its design to count nominal discharge currents
3.4
impulse discharge current
I
imp
crest value of an impulse current 10/350 through the LSC with specified charge transfer Q and
specified energy W/R in the specified time
3.5
minimum impulse discharge current counted
I
imp min
minimum crest value of the impulse counting discharge current that the LSC will count
3.6
maximum impulse discharge current counted
I
imp max
maximum crest value of the impulse counting discharge current that the LSC will count and
withstand
3.7
nominal discharge current
I
n
crest value of a surge current 8/20 through the LSC
3.8
minimum discharge current counted
I
n min
minimum crest value of the surge current that the LSC will count
3.9
maximum discharge current counted
I
n max
maximum crest value of the surge current that the LSC will count and withstand

IEC 62561-6:2023  IEC 2023 – 9 –
3.10
IP code
degree of protection of enclosure
numerical classification according to IEC 60529, preceded by the symbol IP, applied to the
enclosure of electrical apparatus to provide:
– protection of persons against contact with, or approach to, live parts and against contact
with moving parts (other than smooth rotating shafts and the like) inside the enclosure,
– protection of the electrical apparatus against ingress of solid foreign objects, and
– protection of the electrical apparatus against harmful ingress of water where indicated by
the classification
[SOURCE: IEC 60050-426:2020, 426-04-02, modified – In the term, "code" has been added,
in the definition, "according to IEC 60529" has been added, "equipment" has been replaced
with "electrical apparatus" and the Notes to entry have been deleted.]
3.11
point of strike
point where a lightning flash strikes the earth, or protruding structure
EXAMPLE: Structure, LPS, line, tree.
Note 1 to entry: A lightning flash can have more than one point of strike.
3.12
strike
all strokes from a single lightning flash that attach to a point of strike on a structure
3.13
impulse current
transient current created by direct lightning strike into the LPS
3.14
surge
transient created by lightning electromagnetic pulse (LEMP) that appears either as an
overvoltage or as an overcurrent, or both
4 Classification
4.1 Type of LSC
LSCs are classified according to the discharge current count:
a) Type I to count impulse discharge current count as defined in 3.2;
b) Type II to count nominal discharge current count as defined in 3.3.
4.2 LSC Internal circuit
LSCs are classified according to their internal circuit:
a) LSCs without electronic circuit;
b) LSCs with electronic circuit.
4.3 LSC installation location
LSCs are classified according to their installation location:
a) indoor LSCs are intended for use in enclosures or inside buildings or shelters;
b) outdoor LSCs are intended for use without enclosures and outside of buildings or shelters;

– 10 – IEC 62561-6:2023  IEC 2023
c) LSCs intended for use in special environments as specified by the manufacturer.
The degree of protection of enclosure (IP code) defined in IEC 60529 is particularly relevant
to the intended location of an LSC but it is possible that they will not be applicable to an LSC
integral with an SPD.
NOTE LSCs installed in outdoor enclosures or shelters are suitable for indoor use.
5 Requirements
5.1 General
LSCs shall be designed in such a manner that when they are installed in accordance with
manufacturer’s instructions, their performance shall be reliable, stable and safe to persons
and surrounding equipment.
NOTE The choice of a material depends on its ability to match the particular application’s requirements.
5.2 Documentation
The manufacturer or supplier of the LSC shall provide adequate information in their literature
to ensure that the installer can select and install the counter in a suitable and safe manner.
The ranges for operating temperature, humidity, altitude, IP code and the classifications
according to Clause 4 shall be declared by the manufacturer.
The following information shall also be provided (as applicable):
I ; I ; I ; I ; I ; I .
imp min imp max imp n n min n max
where
I is the minimum im
...