EN IEC 63248:2022
(Main)Conductors for overhead lines - Coated or cladded metallic wire for concentric lay stranded conductors
Conductors for overhead lines - Coated or cladded metallic wire for concentric lay stranded conductors
IEC 63248:2022 specifies the properties of wires in the diameter range of, but not limited to, 1,25 mm to 5,50 mm. This document is applicable to coated or cladded metallic wires before stranding used either as concentric lay overhead stranded conductors, or in the manufacture of cores for concentric lay overhead stranded conductors, for power transmission purposes. The various wire types and their designations are listed in Table A.1. For calculation purposes the values listed in Annex B are used. This first edition cancels and replaces the first edition of IEC 61232 published in 1993 and the first edition of IEC 60888 published in 1997. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous editions of IEC 61232 and IEC 60888: a) wire designations have been modified and grouped; b) wires with zinc coating class 2 were removed; c) new wire designations have been added; d) aluminium-clad FeNi36 wires have been added; e) advanced zinc-aluminium alloy coated steel wires have been added.
Leiter für Freileitungen – Beschichtete oder ummantelte Metalldrähte für Leiter aus konzentrisch verseilten Drähten
Conducteurs pour lignes aériennes - Fil métallique revêtu ou recouvert pour conducteurs toronnés à couches concentriques
IEC 63248:2022 spécifie les propriétés des fils dont le diamètre est compris, entre autres, dans la plage de 1,25 mm à 5,50 mm. Le présent document s’applique aux fils métalliques revêtus ou recouverts avant toronnage utilisés soit comme conducteurs aériens toronnés à couches concentriques, soit dans la fabrication d’âmes pour conducteurs aériens toronnés à couches concentriques, à des fins de transport d’énergie électrique. Les différents types de fils et leurs désignations sont énumérés dans le Tableau A.1 . Pour les calculs, les valeurs énumérées dans l’Annexe B sont utilisées. Cette première édition annule et remplace la première édition de l’IEC 61232 parue en 1993 et la première édition de l’IEC 60888 parue en 1997. Cette édition constitue une révision technique. Cette édition inclut les modifications techniques majeures suivantes par rapport aux éditions précédentes de l’IEC 61232 et de l’IEC 60888:
les désignations des fils ont été modifiées et regroupées;
les fils revêtus de zinc de classe 2 ont été supprimés;
de nouvelles désignations des fils ont été ajoutées;
les fils FeNi36 recouverts d’aluminium ont été ajoutés;
les fils d’acier revêtus d’un alliage zinc-aluminium avancé ont été ajoutés.
Vodniki za nadzemne vode - Prevlečena ali prekrita kovinska žica za koncentrično pletene vodnike (IEC 63248:2022)
Standard IEC 63248:2022 določa lastnosti žic s premerom od 1,25 mm do 5,50 mm. Ta dokument se uporablja za prevlečene ali obložene kovinske žice pred spajanjem, ki se uporabljajo kot koncentrični nadzemni pleteni vodniki ali pri izdelavi jeder za koncentrične nadzemne pletene vodnike za prenos električne energije.
Različne vrste žic in njihove oznake so navedene v preglednici A.1. Pri izračunih se uporabljajo vrednosti iz dodatka B.
Ta prva izdaja preklicuje in nadomešča prvo izdajo standarda IEC 61232, objavljeno leta 1993, ter prvo izdajo standarda IEC 60888, objavljeno leta 1997. Ta izdaja je tehnično popravljena izdaja.
Ta izdaja vključuje naslednje pomembne tehnične spremembe glede na pretekle izdaje IEC 61232 in IEC 60888:
a) spremenjene in združene so bile oznake žic;
b) žice s cinkovo prevleko razreda 2 so bile odstranjene;
c) dodano so bilo nove oznake žic;
d) dodane so bile žice FeNi36, prevlečene z aluminijem;
e) dodane so bile napredne jeklene žice, prevlečene z zlitino cinka in aluminija.
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
01-april-2023
Nadomešča:
SIST EN 61232:1996
SIST EN 61232:1996/A11:2002
Vodniki za nadzemne vode - Prevlečena ali prekrita kovinska žica za koncentrično
pletene vodnike (IEC 63248:2022)
Conductors for overhead lines - Coated or cladded metallic wire for concentric lay
stranded conductors (IEC 63248:2022)
Leiter für Freileitungen - Beschichtete oder ummantelte Metalldrähte für Leiter aus
konzentrisch verseilten Drähten (IEC 63248:2022)
Conductors for overhead lines - Coated or cladded metallic wire for concentric lay
stranded conductors (IEC 63248:2022)
Ta slovenski standard je istoveten z: EN IEC 63248:2022
ICS:
29.240.20 Daljnovodi Power transmission and
distribution lines
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EUROPEAN STANDARD EN IEC 63248
NORME EUROPÉENNE
EUROPÄISCHE NORM May 2022
ICS 29.060.01; 29.240.20 Supersedes EN 61232:1995/corrigendum Feb. 1996,
EN 50189:2000, EN 61232:1995 + A11:2000
English Version
Conductors for overhead lines - Coated or cladded metallic wire
for concentric lay stranded conductors
(IEC 63248:2022)
Conducteurs pour lignes aériennes - Fil métallique revêtu Leiter für Freileitungen - Beschichtete oder ummantelte
ou recouvert pour conducteurs toronnés à couches Metalldrähte für Leiter aus konzentrisch verseilten Drähten
concentriques (IEC 63248:2022)
(IEC 63248:2022)
This European Standard was approved by CENELEC on 2022-04-08. 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,
Turkey 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
© 2022 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN IEC 63248:2022 E
European foreword
The text of document 7/715/FDIS, future edition 1 of IEC 63248, prepared by IEC/TC 7 "Overhead
electrical conductors" was submitted to the IEC-CENELEC parallel vote and approved by CENELEC
as EN IEC 63248:2022.
The following dates are fixed:
• latest date by which the document has to be implemented at national (dop) 2023-04-11
level by publication of an identical national standard or by endorsement
• latest date by which the national standards conflicting with the (dow) 2025-04-11
document have to be withdrawn
This document supersedes EN 61232:1995 and EN 50189:2000, and all of their 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 63248:2022 was approved by CENELEC as a European
Standard without any modification.
IEC 63248 ®
Edition 1.0 2022-03
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Conductors for overhead lines – Coated or cladded metallic wire for concentric
lay stranded conductors
Conducteurs pour lignes aériennes – Fil métallique revêtu ou recouvert pour
conducteurs toronnés à couches concentriques
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 29.060.01; 29.240.20 ISBN 978-2-8322-1080-7
– 2 – IEC 63248:2022 © IEC 2022
CONTENTS
FOREWORD . 4
INTRODUCTION . 6
1 Scope . 7
2 Normative references . 7
3 Terms and definitions . 7
4 Material . 9
4.1 Steel . 9
4.2 Aluminium . 9
4.3 Zinc . 9
4.4 Zinc-aluminium alloy . 9
4.5 Advanced zinc-aluminium alloy . 9
5 Freedom from defects . 9
6 Joints . 10
7 Tests . 10
7.1 General . 10
7.2 Place of testing . 10
7.3 Sampling rate . 10
7.4 Test methods . 10
7.4.1 Visual test . 10
7.4.2 Diameter . 10
7.4.3 Stress at 1 % extension, tensile strength and elongation . 11
7.4.4 Ductility tests . 12
7.4.5 Coating or cladding tests . 13
7.4.6 Coefficient of linear expansion . 14
7.4.7 Resistivity . 14
7.4.8 Coating adherence heat resistance test . 15
8 Acceptance and rejection . 15
9 Certificate of compliance . 15
10 Packaging . 15
10.1 Type of packaging. 15
10.2 Length and tolerance on length . 15
Annex A (normative) Tables of properties for recommended IEC wire materials . 16
Annex B (informative) Properties of wire for calculation purposes . 31
Annex C (informative) Method to measure the equivalent diameter by volume . 33
Annex D (informative) Ratio of aluminium and steel or FeNi36 cross-sectional areas . 35
D.1 Standard ratio in cross-section . 35
D.2 Average aluminium thickness . 35
Bibliography . 37
Figure C.1 – Optical ground wire (OPGW) composed of formed aluminium-clad steel
wires . 33
Figure C.2 – Example of density measurement apparatus . 33
Table A.1 – Wire designation . 16
Table A.2 – Schedule of tests . 17
IEC 63248:2022 © IEC 2022 – 3 –
Table A.3 – Zinc-aluminium alloy ingot composition (group 4 and group 5) . 18
Table A.4 – Requirements for zinc and zinc-aluminium alloy coated steel wires
(group 1, group 4 and group 5) . 19
Table A.5 – Requirements for aluminium-clad FeNi36 wires (group 2) . 23
Table A.6 – Requirements for aluminium-clad steel wires (group 3) . 24
Table A.7 – Initial setting for determining stress at 1 % extension . 27
Table A.8 – Coating requirements for zinc and zinc-aluminium alloy coated wires . 28
Table A.9 – Cladding requirements for group 2 and group 3 wire . 29
Table A.10 – Coating heat resistance test for group 4 and group 5 wire . 29
Table A.11 – Temperatures for linear expansion test for group 2 wire . 29
Table A.12 – Minimum number of dips for zinc and zinc alloy coatings (group 1,
group 4, group 5) . 30
Table B.1 – Properties of wire for calculation purposes . 31
Table D.1 – Standard aluminium and steel or FeNi36 ratio in the cross section for
group 2 and group 3 wires . 35
Table D.2 – Average aluminium thickness . 36
– 4 – IEC 63248:2022 © IEC 2022
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
CONDUCTORS FOR OVERHEAD LINES – COATED OR CLADDED
METALLIC WIRE FOR CONCENTRIC LAY STRANDED CONDUCTORS
FOREWORD
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any IEC Publication and the c
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