SIST EN 62561-3:2017
(Main)Lightning Protection System Components (LPSC) - Part 3: Requirements for isolating spark gaps
Lightning Protection System Components (LPSC) - Part 3: Requirements for isolating spark gaps
This part of IEC 62561 specifies the requirements and tests for isolating spark gaps (ISG) for
lightning protection systems.
ISGs can be used to indirectly bond a lightning protection system to other nearby metalwork
where a direct bond is not permissible for functional reasons.
Typical applications include the connection to
• earth-termination systems of power installations,
• earth-termination systems of telecommunication systems,
• auxiliary earth electrodes of voltage-operated, earth fault circuit breakers,
• rail earth electrode of power and DC railways,
• measuring earth electrodes for laboratories,
• installations with cathodic protection and stray current systems,
• service entry masts for low-voltage overhead cables,
• bypassing insulated flanges and insulated couplings of pipelines.
This does not cover applications where follow currents occur.
NOTE Lightning protection system components (LPSC) can also be suitable for use in hazardous conditions such
as fire and explosive atmosphere. Due regard will be taken of the extra requirements necessary for the
components to be installed in such conditions.
Blitzschutzsystembauteile (LPSC) - Teil 3: Anforderungen an Trennfunkenstrecken
Composants des systèmes de protection contre la foudre (CSPF) - Partie 3: Exigences pour les éclateurs d'isolement
L'IEC 62561-3:2017 spécifie les exigences et les essais à appliquer aux éclateurs d'isolement liés à un système de protection contre la foudre.
Les éclateurs d'isolement peuvent être utilisés pour raccorder indirectement un système de protection contre la foudre à une partie métallique proche, lorsqu'un raccordement direct n'est pas admissible pour des raisons fonctionnelles.
La présente version bilingue (2018-11) correspond à la version anglaise monolingue publiée en 2017-06.
Cette deuxième édition annule et remplace la première édition parue en 2012. Cette édition constitue une révision technique.
Cette édition inclut les modifications techniques majeures suivantes par rapport à l'édition précédente:
- une nouvelle classification a été ajoutée concernant l'emplacement de l'installation des éclateurs d'isolement;
- un logigramme d'essais mis à jour a été développé.
La version française de cette norme n'a pas été soumise au vote
Elementi za zaščito pred strelo (LPSC) - 3. del: Zahteve za izolacijska iskrišča
Ta del standarda IEC 62561 določa zahteve in preskuse za izolacijska iskrišča (ISG) sistemov za zaščito pred strelo.
Izolacijska iskrišča se lahko uporabljajo za posredno povezovanje sistema za zaščito pred strelo z drugimi bližnjimi kovinskimi konstrukcijami, kjer neposredna povezava ni dovoljena zaradi funkcionalnih razlogov.
Običajna uporaba vključuje povezavo z naslednjimi sistemi:
• ozemljitveni sistemi električnih inštalacij,
• ozemljitveni sistemi telekomunikacijskih sistemov,
• pomožna ozemljila zemljekostičnih odklopnikov pod napetostjo,
• železniško ozemljilo izmeničnih in enosmernih železnic,
• merilna ozemljila za laboratorije,
• inštalacije s sistemi katodne zaščite in blodečih tokov,
• servisni vhodni stebri za nizkonapetostne nadzemne kable,
• obvodne izolirane prirobnice in izolirani spojniki cevovodov.
Ta standard ne obravnava področij uporabe, kjer nastajajo sledilni tokovi.
OPOMBA: Elementi za zaščito pred strelo (LPSC) so lahko primerni tudi za uporabo v nevarnih razmerah, na primer v primeru požara ali v eksplozivnem ozračju. Pri namestitvi elementov v takih razmerah je treba poskrbeti, da so izpolnjene dodatne zahteve.
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
SIST EN 62561-3:2017
01-november-2017
1DGRPHãþD
SIST EN 62561-3:2012
(OHPHQWL]D]DãþLWRSUHGVWUHOR /36& GHO =DKWHYH]DL]RODFLMVNDLVNULãþD
Lightning Protection System Components (LPSC) - Part 3: Requirements for isolating
spark gaps
Blitzschutzsystembauteile (LPSC) - Teil 3: Anforderungen an Trennfunkenstrecken
Composants des systèmes de protection contre la foudre (CSPF) - Partie 3: Exigences
pour les éclateurs d'isolement
Ta slovenski standard je istoveten z: EN 62561-3:2017
ICS:
29.080.99 Drugi standardi v zvezi z Other standards related to
izolacijo insulation
91.120.40 =DãþLWDSUHGVWUHOR Lightning protection
SIST EN 62561-3:2017 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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SIST EN 62561-3:2017
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SIST EN 62561-3:2017
EUROPEAN STANDARD EN 62561-3
NORME EUROPÉENNE
EUROPÄISCHE NORM
September 2017
ICS 29.020; 91.120.40 Supersedes EN 62561-3:2012
English Version
Lightning Protection System Components (LPSC) - Part 3:
Requirements for isolating spark gaps (ISG)
(IEC 62561-3:2017)
Composants des systèmes de protection contre la foudre Blitzschutzsystembauteile (LPSC) - Teil 3: Anforderungen
(CSPF) - Partie 3: Exigences pour les éclateurs d'isolement an Trennfunkenstrecken
(IEC 62561-3:2017) (IEC 62561-3:2017)
This European Standard was approved by CENELEC on 2017-07-20. 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, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden,
Switzerland, Turkey and the United Kingdom.
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2017 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN 62561-3:2017 E
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SIST EN 62561-3:2017
EN 62561-3:2017
European foreword
The text of document 81/561/FDIS, future edition 2 of IEC 62561-3, prepared by IEC/TC 81, "Lightning
protection", was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as
EN 62561-3:2017.
The following dates are fixed:
– latest date by which this document has to be (dop) 2018-04-20
implemented at national level
by publication of an identical
national standard or by endorsement
– latest date by which the national standards conflicting (dow) 2020-07-20
with this document have to be withdrawn
This document supersedes EN 62561-3:2012.
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.
Endorsement notice
The text of the International Standard IEC 62561-3:2017 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 standards
indicated:
IEC 60529 NOTE Harmonized as EN 60529.
IEC 62305-3 NOTE Harmonized as EN 62305-3.
IEC 62305-4 NOTE Harmonized as EN 62305-4.
IEC 61643-11 NOTE Harmonized as EN 61643-11.
IEC 62305-1 NOTE Harmonized as EN 62305-1.
2
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SIST EN 62561-3:2017
EN 62561-3:2017
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications
The following documents, in whole or in part, are normatively referenced in this document and are
indispensable for its application. For dated references, only the edition cited applies. For undated
references, the latest edition of the referenced document (including any amendments) applies.
NOTE 1 When 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.cenelec.eu.
Publication Year Title EN/HD Year
IEC 60068-2-52 1996 Environmental testing -- Part 2-52: Tests - EN 60068-2-52 1996
Test Kb: Salt mist, cyclic (sodium chloride
solution)
IEC 60068-2-75 1997 Environmental testing -- Part 2-75: Tests - EN 60068-2-75 1997
Test Eh: Hammer tests
IEC 62561-1 - Lightning protection system components EN 62561-1 -
(LPSC) – Part 1: Requirements for
connection components
ISO 4892-2 2006 Plastics - Methods of exposure to - -
laboratory light sources - Part-2: Xenon-arc
lamps
ISO 4892-3 2006 Plastics - Methods of exposure to- -
laboratory light sources - Part 3:
Fluorescent UV lamps
ISO 4892-4 - Plastics - Methods of exposure to - -
laboratory light sources – Part 4: Open-
flame carbon-arc lamps
ISO 6957 - Copper alloys -- Ammonia test for stress - -
corrosion resistance
ISO 6988 1985 Metallic and other non-organic coatings - EN ISO 6988 1994
Sulfur dioxide test with general
condensation of moisture
3
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SIST EN 62561-3:2017
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SIST EN 62561-3:2017
IEC 62561-3
®
Edition 2.0 2017-06
INTERNATIONAL
STANDARD
Lightning protection system components (LPSC) –
Part 3: Requirements for isolating spark gaps (ISG)
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 91.120.40 ISBN 978-2-8322-4455-5
Warning! Make sure that you obtained this publication from an authorized distributor.
® Registered trademark of the International Electrotechnical Commission
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SIST EN 62561-3:2017
– 2 – IEC 62561-3:2017 © IEC 2017
CONTENTS
FOREWORD . 4
INTRODUCTION . 6
1 Scope . 7
2 Normative references . 7
3 Terms and definitions . 8
4 Classification . 9
4.1 According to ISGs capability to withstand lightning current . 9
4.2 According to ISGs location installation . 9
5 Requirements . 10
5.1 General . 10
5.2 Environmental requirements . 10
5.3 Installation instructions . 10
5.4 Lightning current carrying capability . 10
5.5 Rated impulse sparkover voltage . 10
5.6 Rated withstand voltage . 10
5.6.1 Rated DC withstand voltage . 10
5.6.2 Rated power frequency withstand voltage . 10
5.7 Isolation resistance . 10
5.8 Marking . 11
5.9 UV (ultraviolet) resistance . 11
6 Tests . 11
6.1 General conditions for tests . 11
6.2 UV (ultraviolet) light test . 12
6.3 Resistance tests to corrosion . 12
6.4 Mechanical tests . 12
6.5 Electrical tests . 14
6.5.1 Isolation resistance . 14
6.5.2 Withstand voltage . 14
6.5.3 Rated impulse sparkover voltage . 15
6.5.4 Lightning current . 15
6.6 Installation instructions . 16
6.6.1 General conditions for tests . 16
6.6.2 Acceptance criteria . 16
6.7 Marking test . 16
6.7.1 General conditions for tests . 16
6.7.2 Acceptance criteria . 16
7 Electromagnetic compatibility (EMC) . 16
8 Structure and content of the test report . 16
8.1 General . 16
8.2 Report identification . 17
8.3 Specimen description . 17
8.4 Standards and references . 17
8.5 Test procedure . 17
8.6 Testing equipment description . 18
8.7 Measuring instruments description . 18
8.8 Results and parameters recorded . 18
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IEC 62561-3:2017 © IEC 2017 – 3 –
8.9 Statement of pass/fail . 18
Annex A (normative) Flow chart of tests . 19
Annex B (normative) Environmental test for isolating spark gaps . 21
B.1 General . 21
B.2 Salt mist treatment . 21
B.3 Humid sulphurous atmosphere treatment . 21
B.4 Ammonia atmosphere treatment. 21
Annex C (normative) Environmental test for outdoor isolating spark gaps –
Resistance to ultraviolet light . 22
C.1 General . 22
C.2 The tests . 22
C.3 First alternative test to C.2 . 22
C.4 Second alternative test to C.2 . 22
Bibliography . 23
Figure 1 – Pendulum hammer test apparatus . 13
Figure A.1 – Flow chart of the sequence of tests for ISGs . 20
Table 1 – Lightning impulse current (I ) parameters . 15
imp
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INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
LIGHTNING PROTECTION SYSTEM COMPONENTS (LPSC) –
Part 3: Requirements for isolating spark gaps (ISG)
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 62561-3 has been prepared by IEC technical committee 81:
Lightning protection.
This second edition cancels and replaces the first edition, published in 2012. This edition
constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous
edition.
a) a new classification has been added related to ISGs location installation;
b) an updated flow chart of tests has been developed.
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SIST EN 62561-3:2017
IEC 62561-3:2017 © IEC 2017 – 5 –
The text of this International Standard is based on the following documents:
FDIS Report on voting
81/561/FDIS 81/566/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.
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 "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.
A bilingual version of this publication may be issued at a later date.
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INTRODUCTION
This part of IEC 62561 deals with the requirements and tests for lightning protection system
components (LPSC), specifically isolating spark gaps (ISG) used for the installation of a
lightning protection system (LPS) designed and implemented according to the IEC 62305
series.
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IEC 62561-3:2017 © IEC 2017 – 7 –
LIGHTNING PROTECTION SYSTEM COMPONENTS (LPSC) –
Part 3: Requirements for isolating spark gaps (ISG)
1 Scope
This part of IEC 62561 specifies the requirements and tests for isolating spark gaps (ISG) for
lightning protection systems.
ISGs can be used to indirectly bond a lightning protection system to other nearby metalwork
where a direct bond is not permissible for functional reasons.
Typical applications include the connection to
• earth-termination systems of power installations,
• earth-termination systems of telecommunication systems,
• auxiliary earth electrodes of voltage-operated, earth fault circuit breakers,
• rail earth electrode of power and DC railways,
• measuring earth electrodes for laboratories,
• installations with cathodic protection and stray current systems,
• service entry masts for low-voltage overhead cables,
• bypassing insulated flanges and insulated couplings of pipelines.
This does not cover applications where follow currents occur.
NOTE Lightning protection system components (LPSC) can also be suitable for use in hazardous conditions such
as fire and explosive atmosphere. Due regard will be taken of the extra requirements necessary for the
components to be installed in such conditions.
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 60068-2-52:1996, Environmental testing – Part 2-52: Tests – Test Kb: Salt mist, cyclic
1
(sodium chloride solution)
2
IEC 60068-2-75:1997, Environmental testing – Part 2-75: Tests – Test Eh: Hammer tests
_____________
nd rd
1
2 edition (1996). A 3 edition IEC 60068-2-52: Environmental testing – Part 2-52: Tests – Test Kb: Salt mist,
cyclic (sodium chloride solution) is under preparation. Stage at the time of publication:
IEC PRVC 60068-2-52:2017.
st
st nd
2
1 edition (1997). This 1 edition was replaced in 2014 by a 2 edition IEC 60068-2-75:2014, Environmental
testing – Part 2-75: Tests – Test Eh: Hammer tests.
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ISO 4892-2:2006, Plastics – Methods of exposure to laboratory light sources – Part 2: Xenon-
3
arc lamps
IEC 62561-1, Lightning protection system components (LPSC) – Part 1: Requirements for
connection components
ISO 4892-3:2006, Plastics – Methods of exposure to laboratory light sources – Part 3:
4
Fluorescent UV lamps
ISO 4892-4, Plastics – Methods of exposure to laboratory light sources – Part 4: Open-flame
carbon-arc lamps
ISO 6957:1988, Copper alloys – Ammonia test for stress corrosion resistance
ISO 6988:1985, Metallic and other non-organic coatings – Sulphur dioxide test with general
condensation of moisture
3 Terms and definitions
For the purposes of this document, the following terms and definitions 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
isolating spark gap
ISG
component with discharge distance for isolating electrically conductive installation sections
Note 1 to entry: In the event of a lightning strike, the isolated sections are temporarily connected conductively as
the result of response to the discharge.
3.2
sparkover voltage
maximum voltage value before disruptive discharge between the electrodes of the ISG
3.3
withstand voltage
value of the test voltage to be applied under specified conditions in a withstand test, during
which a specified number of disruptive discharges is tolerated
3.4
power frequency withstand voltage
r.m.s value of a sinusoidal power frequency voltage that the ISG can withstand
3.5
DC withstand voltage
value of a DC voltage that the ISG can withstand
_____________
nd nd rd
3
edition (2006). This 2 edition was replaced in 2013 by a 3 edition ISO 4892-2:2013, Plastics – Methods
2
of exposure to laboratory light sources – Part 2: Xenon-arc lamps.
nd rd
nd
4
2 edition (2006). This 2 edition was replaced in 2016 by a 3 edition: ISO 4892-3: 2016, Plastics – Methods
of exposure to laboratory light sources – Part 3: Fluorescent UV lamps.
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3.6
rated withstand voltage
value of a withstand voltage declared by the manufacturer to characterize the isolating
behavior of an ISG
3.7
rated power frequency withstand voltage
U
W AC
value of a power frequency withstand voltage declared by the manufacturer to characterize
the isolating behavior of an ISG
3.8
rated DC withstand voltage
U
W DC
value of a DC withstand voltage declared by the manufacturer to characterize the isolating
behavior of an ISG
3.9
impulse sparkover voltage
impulse voltage of the waveshape 1,2/50 to classify the sparkover behavior of the ISG
3.10
rated impulse sparkover voltage
U
imp
manufacturer’s declaration of the ISG sparkover voltage
3.11
isolation resistance
ohmic resistance of the ISG between the active parts
3.12
lightning impulse current
I
imp
impulse current that classifies an ISG
Note 1 to entry: Five parameters are to be considered: the peak value, the charge, the duration, the specific
energy and the rate of rise of the impulse current.
4 Classification
4.1 According to ISGs capability to withstand lightning current
The following classes apply, as per Table 1:
a) class H for heavy duty;
b) class N for normal duty;
c) class 1L for light duty;
d) class 2L for light duty;
e) class 3L for light duty.
4.2 According to ISGs location installation
The following classes apply:
a) indoor installation;
b) outdoor installation.
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5 Requirements
5.1 General
ISGs shall be designed in such a manner that when they are installed in accordance with the
manufacturer’s instructions, their performance shall be reliable, stable and safe to persons
and surrounding equipment.
5.2 Environmental requirements
ISGs shall be designed in such way that they operate satisfactorily under the environmental
conditions given by the normal service conditions. Outdoor ISGs shall be contained in a
weather shield of glass-glazed ceramic, or other acceptable material, that is resistant to UV
(ultraviolet) light, corrosion and erosion.
Compliance is checked by testing. In accordance with 6.2 and 6.3.
5.3 Installation instructions
The manufacturer of the ISG shall provide adequate instructions in their literature to ensure
that the installer of the ISG can select and install them in a suitable and safe manner.
Compliance is checked by review as per 6.6.
5.4 Lightning current carrying capability
ISGs shall have sufficient lightning current carrying capability.
Compliance is checked in accordance with Clause 6 following the manufacturer’s declaration
for the class of the ISG in accordance with Clause 4.
5.5 Rated impulse sparkover voltage
The ISG shall always spark over at this value during the tests.
The ISG may experience some variation of sparkover characteristics before and after the
lightning current test. This shall be included in the rated impulse sparkover voltage defined by
the manufacturer.
5.6 Rated withstand voltage
5.6.1 Rated DC withstand voltage
The ISG shall never spark over at this value during the tests even after performing the
lightning current test.
5.6.2 Rated power frequency withstand voltage
The ISG shall never spark over at this value during the tests even after performing the
lightning current test.
5.7 Isolation resistance
Before the lightning current test the isolation resistance shall be higher than 500 kΩ and after
the lightning current test isolation resistance shall not be lower than 500 kΩ.
Compliance is checked in accordance with 6.5.1.
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5.8 Marking
All products complying with this document shall be marked at least with the following:
a) manufacturer’s or responsible vendor’s name or trade mark or identifying symbol;
b) part number;
c) the classification in accordance with Clause 4.
If the marking in accordance with b) is not practical it may be given on the smallest packaging
unit. The marking shall be durable and legible.
Compliance is checked in accordance with 6.7.
NOTE Marking can be applied for example by moulding, pressing, engraving, printing adhesive labels or water
slide transfers.
5.9 UV (ultraviolet) resistance
ISG housings for outdoor installation shall be made of UV resistant material.
Compliance is checked by tests as per 6.2.
6 Tests
6.1 General conditions for tests
The tests in accordance with this document are type tests and performed in a sequence
according to Annex A.
These tests are of such a nature that, after they have been performed, they need not be
repeated unless changes are made to the materials, design or type of manufacturing process,
which might change the performance characteristics of the product.
a) Unless otherwise specified, tests are carried out with the specimens assembled and
installed as in normal use according to the manufactur
...
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