SIST EN IEC 62271-214:2024

SLOVENSKI STANDARD
01-julij-2024
Visokonapetostne stikalne in krmilne naprave - 214. del: Razvrščanje notranjih
oblokov pri stikalnih in krmilnih napravah AC, nameščenih na kovinskih drogovih,
za naznačene napetosti nad 1 kV do vključno 52 kV (IEC 62271-214:2024)
High-voltage switchgear and controlgear - Part 214: Internal arc classification for AC
metal-enclosed pole-mounted switchgear and controlgear for rated voltages above 1 kV
and up to and including 52 kV (IEC 62271-214:2024)
Hochspannungs-Schaltgeräte und -Schaltanlagen - Teil 214: Störlichtbogenklassifikation
für metallgekapselte, mastmontierte Schaltanlagen für Bemessungsspannungen über 1
kV bis einschließlich 52 kV (IEC 62271-214:2024)
Appareillage à haute tension - Partie 214 : Classification arc interne des appareillages
sous enveloppe métallique à courant alternatif de tensions assignées supérieures à 1 kV
et inférieures ou égales à 52 kV montées sur poteau (IEC 62271-214:2024)
Ta slovenski standard je istoveten z: EN IEC 62271-214:2024
ICS:
29.130.10 Visokonapetostne stikalne in High voltage switchgear and
krmilne naprave controlgear
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN IEC 62271-214

NORME EUROPÉENNE
EUROPÄISCHE NORM May 2024
ICS 29.130.10 Supersedes EN IEC 62271-214:2019
English Version
High-voltage switchgear and controlgear - Part 214: Internal arc
classification for AC metal-enclosed pole-mounted switchgear
and controlgear for rated voltages above 1 kV and up to and
including 52 kV
(IEC 62271-214:2024)
Appareillage à haute tension - Partie 214 : Classification arc Hochspannungs-Schaltgeräte und -Schaltanlagen - Teil
interne des appareillages sous enveloppe métallique à 214: Störlichtbogenklassifikation für metallgekapselte,
courant alternatif de tensions assignées supérieures à 1 kV mastmontierte Schaltanlagen für Bemessungsspannungen
et inférieures ou égales à 52 kV montées sur poteau über 1 kV bis einschließlich 52 kV
(IEC 62271-214:2024) (IEC 62271-214:2024)
This European Standard was approved by CENELEC on 2024-05-21. 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
© 2024 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN IEC 62271-214:2024 E

European foreword
The text of document 17C/924/FDIS, future edition 2 of IEC 62271-214, prepared by SC 17C
"Assemblies" of IEC/TC 17 "High-voltage switchgear and controlgear" was submitted to the IEC-
CENELEC parallel vote and approved by CENELEC as EN IEC 62271-214:2024.
The following dates are fixed:
• latest date by which the document has to be implemented at national (dop) 2025-02-21
level by publication of an identical national standard or by endorsement
• latest date by which the national standards conflicting with the (dow) 2027-05-21
document have to be withdrawn
This document supersedes EN IEC 62271-214:2019 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 62271-214:2024 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 62271-200:2021 NOTE Approved as EN IEC 62271-200:2021 (not modified)
IEC/TR 62271-307:2015 NOTE Approved as CLC IEC/TR 62271-307:2019 (not modified)
IEC 60038:2009 NOTE Approved as EN 60038:2011
IEC 60059:1999 NOTE Approved as EN 60059:1999 (not modified)
IEC 60059:1999/A1:2009 NOTE Approved as EN 60059:1999/A1:2009 (not modified)
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 60050-151 2001 International Electrotechnical Vocabulary - - -
Part 151: Electrical and magnetic devices
+ AMD1 2013 - -
+ AMD2 2014 - -
+ AMD3 2019 - -
+ AMD4 2020 - -
+ AMD5 2021 - -
IEC 60050-441 1984 International Electrotechnical Vocabulary. - -
Switchgear, controlgear and fuses
+AMD1 2000
IEC 62271-1 2017 High-voltage switchgear and controlgear - EN 62271-1 2017
Part 1: Common specifications for
alternating current switchgear and
controlgear
+ AMD1 2021 + A1 2021
IEC 62271-200 2021 High-voltage switchgear and controlgear - EN IEC 62271-200 2021
Part 200: AC metal-enclosed switchgear and
controlgear for rated voltages above 1 kV
and up to and including 52 kV
IEC 62271-214 ®
Edition 2.0 2024-04
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
High-voltage switchgear and controlgear –
Part 214: Internal arc classification for AC metal-enclosed pole-mounted
switchgear and controlgear for rated voltages above 1 kV and up to and
including 52 kV
Appareillage à haute tension –
Partie 214 : Classification arc interne des appareillages sous enveloppe
métallique à courant alternatif de tensions assignées supérieures à 1 kV et
inférieures ou égales à 52 kV montées sur poteau
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 29.130.10 ISBN 978-2-8322-8431-5
– 2 – IEC 62271-214:2024 © IEC 2024
CONTENTS
FOREWORD . 4
INTRODUCTION . 6
1 Scope . 7
2 Normative references . 7
3 Terms and definitions . 8
3.1 General terms and definitions . 8
3.8 Index of definitions . 10
4 Normal and special service conditions . 11
5 Ratings . 11
5.1 General . 11
5.2 Rated voltage (U ) . 11
r
5.2.1 General . 11
5.3 Rated insulation level (U , U , U ) . 11
d p s
5.4 Rated frequency (f ) . 12
r
5.101 Ratings of the internal arc classification (IAC) . 12
5.101.1 General . 12
5.101.2 Rated approach distance (D ) . 12
AP
5.101.3 Rated arc fault currents (I , I ) . 12
A Ae
5.101.4 Rated arc fault duration (t , t ) . 12
A Ae
6 Design and construction . 12
6.11 Nameplate . 12
6.11.2 Application . 12
6.101 Internal arc fault . 13
6.102 Enclosure . 13
7 Type tests . 14
7.1 General . 14
7.1.1 Basics . 14
7.1.2 Information for identification of test object . 15
7.1.3 Information to be included in type-test reports . 15
7.101 Internal arc type test . 16
7.101.1 General . 16
7.101.2 Test conditions . 16
7.101.3 Arrangement of the equipment . 17
7.101.4 Indicators (for assessing the thermal effects of the gases) . 19
7.101.5 Arrangement of indicators . 19
7.101.6 Test parameters . 20
7.101.7 Test procedure . 21
7.101.8 Criteria to pass the test . 26
7.101.9 Transferability of the test results . 26
8 Routine tests . 27
9 Guide to the selection of switchgear and controlgear (informative) . 27
9.1 General . 27
9.101 Internal arc fault . 27
9.101.1 General . 27
9.101.2 Causes and preventive measures . 28

IEC 62271-214:2024 © IEC 2024 – 3 –
9.101.3 Supplementary protective measures . 28
9.101.4 Considerations for the selection and installation . 29
9.101.5 Internal arc test . 29
9.101.6 IAC designation . 29
10 Information to be given with enquiries, tenders and orders (informative) . 30
10.1 General . 30
11 Transport, storage, installation, operation instruction and maintenance . 30
...