SIST EN 62561-2:2012
(Main)Lightning Protection System Components (LPSC) - Part 2: Requirements for conductors and earth electrodes
Lightning Protection System Components (LPSC) - Part 2: Requirements for conductors and earth electrodes
IEC 62561-2:2012(E) specifies the requirements and tests for: - metallic conductors (other than 'natural' conductors) that form part of the air termination system and down conductors; - metallic earth electrodes that form part of the earth termination system.
Blitzschutzsystembauteile (LPSC) - Teil 2: Anforderungen an Leiter und Erder
Composants de systèmes de protection contre la foudre (CSPF) - Partie 2: Exigences pour les conducteurs et les électrodes de terre
L'IEC 62561-2:2012 spécifie les exigences et les essais pour:
- les conducteurs métalliques (autres que les conducteurs "naturels") qui font partie du dispositif de capture et des conducteurs de descente,
- les électrodes de terre métalliques qui font partie de la prise de terre.
Elementi za zaščito pred strelo (LPSC) - 2. del: Zahteve za vodnike in zemeljske elektrode (IEC 62561-2:2012, spremenjen)
Ta del standarda IEC 62561 določa zahteve in preskuse za: – kovinske prevodnike (razen »naravnih« prevodnikov), ki so del lovilnega sistema in navzdolnjih prevodnikov; – kovinskih ozemljil, ki so del ozemljitvenega sistema.
General Information
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Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Blitzschutzsystembauteile (LPSC) - Teil 2: Anforderungen an Leiter und ErderComposants de systèmes de protection contre la foudre (CSPF) - Partie 2: Exigences pour les conducteurs et les électrodes de terreLightning Protection System Components (LPSC) - Part 2: Requirements for conductors and earth electrodes91.120.40Lightning protectionICS:Ta slovenski standard je istoveten z:EN 62561-2:2012SIST EN 62561-2:2012en01-julij-2012SIST EN 62561-2:2012SLOVENSKI
STANDARDSIST EN 50164-2:20081DGRPHãþD
SIST EN 62561-2:2012
EUROPEAN STANDARD EN 62561-2 NORME EUROPÉENNE
EUROPÄISCHE NORM June 2012
CENELEC European Committee for Electrotechnical Standardization Comité Européen de Normalisation Electrotechnique Europäisches Komitee für Elektrotechnische Normung
Management Centre: Avenue Marnix 17, B - 1000 Brussels
© 2012 CENELEC -
All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 62561-2:2012 E
ICS 29.020; 91.120.40 Supersedes EN 50164-2:2008English version
Lightning Protection System Components (LPSC) -
Part 2: Requirements for conductors and earth electrodes (IEC 62561-2:2012, modified)
Composants des systèmes de protectioncontre la foudre (CSPF) -Partie 2: Exigences pour les conducteurset les électrodes de terre(CEI 62561-2:2012, modifiée)
Blitzschutzsystembauteile (LPSC) -Teil 2: Anforderungen an Leiter und Erder(IEC 62561-2:2012, modifiziert) This European Standard was approved by CENELEC on 2012-03-16. 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, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom.
SIST EN 62561-2:2012
EN 62561-2:2012 - 2 -
Foreword The text of document 81/417/FDIS, future edition 1 of IEC 62561-2, prepared by IEC/TC 81, "Lightning protection", was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 62561-2:2012. A draft amendment, which covers common modifications to IEC 62561-2 (81/417/FDIS), was prepared by CLC/TC 81X "Lightning protection" and approved by CENELEC. The following dates are fixed: – latest date by which this document has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2013-03-16 – latest date by which the national standards conflicting with this document have to be withdrawn (dow) 2015-03-16 This document supersedes EN 50164-2:2008. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CENELEC [and/or CEN] shall not be held responsible for identifying any or all such patent rights. Clauses, subclauses, notes, tables, figures and annexes which are additional to those in IEC 62561-2:2012 are prefixed “Z”. Endorsement notice The text of the International Standard IEC 62561-2:2012 was approved by CENELEC as a European Standard with agreed common modifications. SIST EN 62561-2:2012
- 3 - EN 62561-2:2012
COMMON MODIFICATIONS Whole document Replace all references to IEC 62305 by references to EN 62305. Replace all references to IEC 62561 by references to EN 62561. 4 Requirements Under 4.3, Table 1, footnote g, replace "IEC 60228" by "EN 60228". Under 4.5, Table 3, footnote i, replace "IEC 60228" by "EN 60228". 5 Tests Under 5.2.5.1, 1st line, replace “ISO 6892-1” by “EN ISO 6892-1”. Under 5.2.5.1, 3rd line, replace “as per D.1 of ISO 6892-1:2009” by “as per D.1 of EN ISO 6892-1:2009". Annexes Annex A (normative) Environmental test for conductors, air termination rods and earth lead-in rods In A.1, replace twice "IEC 60068-2-52:1996" by "EN 60068-2-52:1996". SIST EN 62561-2:2012
EN 62561-2:2012 - 4 -
Add the following new annexes: 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
Where an International Publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies. Publication Year Title EN/HD Year IEC 60068-2-52 + corr. July
1996 1996 Environmental testing –
Part 2: Tests – Test Kb: Salt mist, cyclic (sodium chloride solution) EN 60068-2-52 1996 IEC 62305-3 - Protection against lightning –
Part 3: Physical damage to structures and life hazard EN 62305-3 - IEC 62305-4 - Protection against lightning –
Part 4: Electrical and electronic systems within structures EN 62305-4 - IEC 62561-1 - Lightning Protection System Components (LPSC) –
Part 1: Requirements for connection components EN 62561-1 - ISO 1460 - Metallic coatings – Hot dip galvanized coatings on ferrous metals – Gravimetric determination of the mass per unit area EN ISO 1460 - ISO 1461 - Hot dip galvanized coatings on fabricated iron and steel articles – Specifications and test methods EN ISO 1461 - ISO 2178 - Non-magnetic coatings on magnetic substrates – Measurement of coating thickness – Magnetic method EN ISO 2178 - ISO 6892-1 2009 Metallic materials – Tensile testing –
Part 1: Method of test at room temperature
EN ISO 6892-1 2009 ISO 6957 1988 Copper alloys – Ammonia test for stress corrosion resistance
- - ISO 6988 1985 Metallic and other non-organic coatings – Sulfur dioxide test with general condensation of moisture EN ISO 6988 1994
SIST EN 62561-2:2012
- 5 - EN 62561-2:2012
Annex ZB (informative)
Identification and differences of tests between EN 62561-2:2012 and EN 50164-2:2008 Table ZB.1 – Identification and differences of tests between EN 62561-2:2012 and EN 50164-2:2008 Test description EN 62561-2:2012 Clause: Reference:
Annex
Table/Figure EN 50164-2:2008 Clause: Reference: Annex
Table/Figure Remarks/Deviations General conditions for tests 5.1
5.1
None Tests for thickness coating on conductors 5.2.1 Table 1 Table 3 5.2.1 Table 1 None Bend and adhesion test for coated conductors 5.2.2
5.2.2
None Environmental test 5.2.3 A.1 A.2 5.2.3 Annex A Same tests.
Listed as A.1 and A.2 in EN 62561-2:2012 Tensile and elongation test 5.2.4 Table 2 Table 4 5.2.4 Table 2 None Electrical resistivity test 5.2.5 Annex D
Table 2
Table 4 5.2.5 Annex D
Table 2
Table 4 None Tests for thickness coating on earth rods 5.3.1 Table 3 5.3.1 Table 3 None Adhesion test 5.3.2 Figure 2 5.3.2 Figure 3 None Bend test 5.3.3
5.3.3
None Environmental test 5.3.4 A.1 A.2 5.3.4 Annex A Same tests.
Listed as A.1 and A.2 in EN 62561-2:2012 Tensile strength test 5.3.5 Table 4 5.3.5 Table 4 None Electrical resistivity test 5.3.7 Annex D
Table 4 5.3.6 Annex D
Table 4 None Yield/tensile ratio test 5.3.6 Table 4 5.3.7 Table 4 None Compression test for joints for earth rods 5.4.1 Figure 4 5.4.1 Figure 2 None Environmental electrical tests 5.4.2 A.1 A.2 A.3 5.4.2 Annex A Same test.
Listed as A.1, A.2 and A.3 in EN 62561-2:2012 Marking test 5.5
Addition to EN 62561-2:2012 SIST EN 62561-2:2012
EN 62561-2:2012 - 6 -
Bibliography Add the following reference: EN 50164-2:2008, Lightning Protection Components (LPC) – Part 2: Requirements for conductors and earth electrodes Replace the 2nd and 4th references by the following: EN 60228, Conductors of insulated cables (IEC 60228) EN 62305-1, Protection against lightning – Part 1: General principles (IEC 62305-1)
SIST EN 62561-2:2012
IEC 62561-2 Edition 1.0 2012-02 INTERNATIONAL STANDARD Lightning protection system components (LPSC) –
Part 2: Requirements for conductors and earth electrodes
INTERNATIONAL ELECTROTECHNICAL COMMISSION V ICS 29.020; 91.120.40 PRICE CODE ISBN 978-2-88912-924-9
® Registered trademark of the International Electrotechnical Commission ®
Warning! Make sure that you obtained this publication from an authorized distributor. SIST EN 62561-2:2012
– 2 – 62561-2 © IEC:2012(E) CONTENTS FOREWORD . 4 INTRODUCTION . 6 1 Scope . 7 2 Normative references . 7 3 Terms and definitions . 8 4 Requirements . 9 4.1 General . 9 4.2 Documentation . 9 4.3 Air termination conductors, air termination rods, earth lead-in rods and down conductors . 9 4.4 Earth electrodes . 11 4.4.1 General . 11 4.4.2 Earth rods . 11 4.4.3 Joints for earth rods. 11 4.4.4 Earth conductors and plates . 12 4.5 Marking . 12 5 Tests . 15 5.1 General conditions for tests . 15 5.2 Conductors, air termination rods and earth lead-in rods . 15 5.2.1 General . 15 5.2.2 Tests for thickness coating on conductors . 15 5.2.3 Bend and adhesion test for coated conductors . 15 5.2.4 Environmental test . 16 5.2.5 Tensile tests . 16 5.2.6 Electrical resistivity test . 16 5.3 Earth rods . 17 5.3.1 General . 17 5.3.2 Tests for thickness coating on earth rods . 17 5.3.3 Adhesion test . 18 5.3.4 Bend test . 18 5.3.5 Environmental test . 19 5.3.6 Tensile strength tests . 19 5.3.7 Test for yield/tensile ratio . 19 5.3.8 Electrical resistivity test . 20 5.4 Joints for earth rods . 21 5.4.1 General . 21 5.4.2 Compression tests by mechanical means . 21 5.4.3 Environmental – Electrical tests . 22 5.5 Marking test . 23 5.5.1 General conditions for tests . 23 5.5.2 Acceptance criteria . 23 6 Electromagnetic compatibility (EMC) . 23 7 Structure and content of the test report . 23 7.1 General . 23 7.2 Report identification . 24 7.3 Specimen description . 24 SIST EN 62561-2:2012
62561-2 © IEC:2012(E) – 3 – 7.4 Conductor . 24 7.5 Standards and references . 24 7.6 Test procedure . 24 7.7 Testing equipment, description . 24 7.8 Measuring instruments description . 24 7.9 Results and parameters recorded . 25 7.10 Statement of pass/fail . 25 Annex A (normative)
Environmental test for conductors, air termination rods and earth lead-in rods. 26 Annex B (normative)
Requirements for the cross sectional area, mechanical and electrical characteristics, tests to be applied . 27 Annex C (normative)
Requirements for dimensions, mechanical and electrical characteristics, tests to be applied . 28 Annex D (informative)
Typical example calculation of conductor resistivity . 29 Annex E (informative)
Typical example of calculation of the tensile strength of a coated material . 30 Annex F (normative)
Flow chart of tests for air termination conductors, air termination rods, earth lead-in rods and down conductors . 31 Annex G (normative)
Flow chart of tests for earth rods . 32 Annex H (normative)
Flow chart of tests of joints for earth rods . 33 Bibliography . 34
Figure 1 – Coating measurements around the circumference of the rod . 17 Figure 2 – Typical test arrangement for adhesion test . 18 Figure 3 – Definitions of upper yield strength ReH (Mpa) and
tensile strength Rm (Mpa) . 20 Figure 4 – Typical test arrangement for the compression test by mechanical means . 22
Table 1 – Material, configuration and cross sectional area of air termination conductors, air termination rods, earth lead-in rods and down conductors . 10 Table 2 – Mechanical and electrical characteristics of air termination conductors, air termination rods, earth lead-in rods and down conductors . 11 Table 3 – Material, configuration and cross sectional area of earth electrodes . 13 Table 4 – Mechanical and electrical characteristics of earth electrodes . 14 Table B.1 – Summary of requirements for various elements tested according to Table 1 and Table 2 . 27 Table C.1 – Summary of requirements for various elements tested according to Table 3 and Table 4 . 28
SIST EN 62561-2:2012
– 4 – 62561-2 © IEC:2012(E) INTERNATIONAL ELECTROTECHNICAL COMMISSION ____________
LIGHTNING PROTECTION SYSTEM COMPONENTS (LPSC) –
Part 2: Requirements for conductors and earth electrodes
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 62561-2 has been prepared by IEC technical committee 81: Lightning protection. The text of this standard is based on the following documents: FDIS Report on voting 81/417/FDIS 81/423/RVD
Full information on the voting for the approval of this standard can be found in the report on voting indicated in the above table. This publication has been drafted in accordance with the ISO/IEC Directives, Part 2. The content of this document is taken from the European Standard EN 50164-2. SIST EN 62561-2:2012
62561-2 © IEC:2012(E) – 5 – A list of all the 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 publication will remain unchanged until the stability date indicated on the IEC web site under "http://webstore.iec.ch" in the data related to the specific publication. At this date, the publication will be
• reconfirmed, • withdrawn, • replaced by a revised edition, or • amended. A bilingual version of this publication may be issued at a later date. SIST EN 62561-2:2012
– 6 – 62561-2 © IEC:2012(E) INTRODUCTION This part of IEC 62561 deals with the requirements and tests for lightning protection system components (LPSC) used for the installation of a lightning protection system (LPS) designed and implemented according to the IEC 62305 series of standards.
SIST EN 62561-2:2012
62561-2 © IEC:2012(E) – 7 – LIGHTNING PROTECTION SYSTEM COMPONENTS (LPSC) –
Part 2: Requirements for conductors and earth electrodes
1 Scope This part of IEC 62561 specifies the requirements and tests for: – metallic conductors (other than “natural” conductors) that form part of the air termination system and down conductors; – metallic earth electrodes that form part of the earth termination system. 2 Normative references 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. IEC 60068-2-52:1996, Environmental testing – Part 2-52: Tests – Test Kb: Salt mist, cyclic (sodium chloride solution) IEC 60228, Conductors of insulated cables IEC 62305-3, Protection against lightning – Part 3: Physical damage to structures and life hazard IEC 62305-4, Protection against lightning – Part 4: Electrical and electronic systems within structures
IEC 62561-1, Lightning protection system components (LPSC) – Part 1: Requirements for connection components ISO 1460, Metallic coatings – Hot dip galvanized coatings on ferrous materials – Gravimetric determination of the mass per unit area ISO 1461, Hot dip galvanized coatings on fabricated iron and steel articles – Specifications and test methods ISO 2178, Non-magnetic coatings on magnetic substrates – Measurement of coating thickness – Magnetic method ISO 6892-1:2009, Metallic materials – Tensile testing – Part 1: Method of test at room temperature 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 SIST EN 62561-2:2012
– 8 – 62561-2 © IEC:2012(E) 3 Terms and definitions For the purpose of this document, the following terms and definitions apply. 3.1
air termination system
part of an external LPS using metallic elements such as rods, mesh conductors or catenary wires intended to intercept lightning flashes 3.2
air termination rod air termination conductor part of the air termination system for intercepting and conducting direct lightning flashes to the structure 3.3
down conductor
part of an external lightning protection system which is intended to conduct lightning current from the air termination system to the earth termination system 3.4
earth termination system part of an external lightning protection system which is intended to conduct and disperse lightning current to the earth 3.5
earth electrode part or group of parts of the earth termination system which provides direct electrical contact with and disperses the lightning current to the earth Note 1 to entry Typical examples are earth rod, earth conductor and earth plate. 3.6
earth rod an earth electrode consisting of a metal rod driven into the ground
[IEC 60050-604:1987, 604-04-09] 3.7
earth conductor earth electrode consisting of a conductor buried in the ground 3.8
earth plate an earth electrode consisting of a metal plate buried in the ground
[IEC 60050-604:1987, 604-04-10] 3.9
joint for earth rod
part of the earth termination system that facilitates the coupling of one section of an earth rod to another for the purpose of deep driving 3.10
driving head
tool used in those applications where it is necessary to drive the earth rod SIST EN 62561-2:2012
62561-2 © IEC:2012(E) – 9 – 3.11
earth lead-in rod
rod installed between the down conductor/test joint and the earth electrode Note 1 to entry Earth lead-in rods are used to improve mechanical stability. 4 Requirements 4.1 General Conductors and earth electrodes shall be so designed and constructed that in normal use their performance is reliable and without danger to persons and surrounding equipment. The choice of a material depends on its ability to match the particular application requirements. A summary of the requirements and their corresponding tests are given in Annex F, Annex G and Annex H. 4.2 Documentation The manufacturer or supplier of the conductors and earth electrodes shall provide adequate information in their literature to ensure that the installer of the conductors and earth electrodes can select and install the materials in a suitable and safe manner, in accordance with IEC 62305-3 and IEC 62305-4. Compliance is checked by inspection. 4.3 Air termination conductors, air termination rods, earth lead-in rods and down conductors The material, configuration and cross sectional area of the conductors and rods shall be in accordance with Table 1. Their mechanical and electrical characteristics shall be in accordance with Table 2. Other materials may be used if they possess equivalent mechanical and electrical characteristics and corrosion resistance properties for the intended application. Other configurations may be used if the relevant dimensions are met. Coated conductors and rods shall be corrosion resistant and the coating shall exhibit good adherence to the base material. Compliance is checked by the tests described in 5.2.2, 5.2.3 and 5.2.4. NOTE A summary of the requirements for the cross sectional area, mechanical and electrical characteristics as well as tests is given in Annex B.
SIST EN 62561-2:2012
– 10 – 62561-2 © IEC:2012(E) Table 1 – Material, configuration and cross sectional area of air termination conductors, air termination rods, earth lead-in rods and down conductors Material Configuration Cross sectional area a mm2 Recommended dimensions Copper,
Tin plated copper b Solid tape ³ 50
2 mm thickness Solid round d ³ 50 8 mm diameter Stranded d, g ³ 50
1,7 mm diameter of each strand f Solid round
³ 176
15 mm diameter Aluminium Solid tape ³ 70
3 mm thickness Solid round ³ 50
8 mm diameter Stranded g ³ 50
1,63 mm diameter of each strand Copper coated aluminium alloy e Solid round ³ 50
8 mm diameter Aluminium alloy Solid tape ³ 50 2,5 mm thickness Solid round ³ 50
8 mm diameter Stranded g ³ 50
1,7 mm diameter of each strand Solid round
³ 176
15 mm diameter Hot dipped galvanized steel
Solid tape ³ 50
2,5 mm thickness Solid round ³ 50
8 mm diameter Stranded g ³ 50
1,7 mm diameter of each strand Solid round
³ 176
15 mm diameter Copper coated steel e Solid round ³ 50
8 mm diameter Solid tape ³ 50
2,5 mm thickness Stainless steel c Solid tape
³ 50
2 mm thickness Solid round
³ 50
8 mm diameter Stranded g ³ 70
1,7 mm diameter of each strand Solid round
³ 176
15 mm diameter NOTE For the application of the conductors, see IEC 62305-3. a Manufacturing tolerance: –3 %. b Hot dipped or electroplated; minimum thickness coating of 1 mm. Tin plating is for aesthetic reasons only. c Chromium ³ 16 %; nickel ³ 8 %; carbon £ 0,08 %. d 50 mm2 (8 mm diameter) may be reduced to 25 mm2 (6 mm diameter) in certain applications where mech
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