EN IEC 60931-1:2025

SLOVENSKI STANDARD
01-oktober-2025
Nadomešča:
SIST EN 60931-1:1999
SIST EN 60931-1:1999/A1:2003
Nesamoozdravljivi vzporedni močnostni kondenzatorji za izmenične tokovne
sisteme z naznačeno napetostjo do vključno 1000 V - 1. del: Splošno (IEC 60931-
1:2025)
Shunt power capacitors of the non-self-healing type for AC systems having a rated
voltage up to and including 1000 v - Part 1: General (IEC 60931-1:2025)
Nichtselbstheilende Leistungs-Parallelkondensatoren für Wechselstromanlagen mit einer
Nennspannung bis einschließlich 1000 V - Teil 1: Allgemeines (IEC 60931-1:2025)
Condensateurs shunt de puissance non autorégénérateurs pour réseaux à courant
alternatif de tension assignée inférieure ou égale à 1000 v - Partie 1: Généralités (IEC
60931-1:2025)
Ta slovenski standard je istoveten z: EN IEC 60931-1:2025
ICS:
29.120.99 Druga električna dodatna Other electrical accessories
oprema
31.060.70 Močnostni kondenzatorji Power capacitors
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN IEC 60931-1

NORME EUROPÉENNE
EUROPÄISCHE NORM August 2025
ICS 29.120.99; 31.060.70 Supersedes EN 60931-1:1996; EN 60931-1:1996/A1:2003
English Version
Shunt power capacitors of the non-self-healing type for AC
systems having a rated voltage up to and including 1 000 V -
Part 1: General
(IEC 60931-1:2025)
Condensateurs shunt de puissance non autorégénérateurs Nichtselbstheilende Leistungs-Parallelkondensatoren für
pour réseaux à courant alternatif de tension assignée Wechselstromanlagen mit einer Nennspannung bis
inférieure ou égale à 1 000 V - Partie 1 : Généralités einschließlich 1000 V - Teil 1: Allgemeines
(IEC 60931-1:2025) (IEC 60931-1:2025)
This European Standard was approved by CENELEC on 2025-07-31. 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
© 2025 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN IEC 60931-1:2025 E

European foreword
The text of document 33/721/FDIS, future edition 3 of IEC 60931-1, prepared by TC 33 "Power
capacitors and their applications" was submitted to the IEC-CENELEC parallel vote and approved by
CENELEC as EN IEC 60931-1:2025.
The following dates are fixed:
• latest date by which the document has to be implemented at national (dop) 2026-08-31
level by publication of an identical national standard or by endorsement
• latest date by which the national standards conflicting with the (dow) 2028-08-31
document have to be withdrawn
This document supersedes EN 60931-1:1996 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 60931-1:2025 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 60831 series NOTE Approved as EN 60831 series
IEC 60871 series NOTE Approved as EN 60871 series
IEC 60110 series NOTE Approved as EN 60110 series
IEC 60143 series NOTE Approved as EN IEC 60143 series
IEC 60252 series NOTE Approved as EN 60252 series
IEC 60358 series NOTE Approved as EN IEC 60358 series
IEC 61071 NOTE Approved as EN 61071
IEC 61048 NOTE Approved as EN 61048
IEC 61049 NOTE Approved as EN 61049
IEC 63210 NOTE Approved as EN IEC 63210
IEC 60831-1:2014 NOTE Approved as EN 60831-1:2014 (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 60060-1 - High-voltage test techniques - Part 1: EN IEC 60060-1 -
General terminology and test requirements
IEC 60931-2 - Shunt power capacitors of the non-self- EN IEC 60931-2 -
healing type for AC systems having a rated
voltage up to and including 1 000 V - Part
2: Ageing test and destruction test
IEC 61000-2-2 2002 Electromagnetic compatibility (EMC) - Part EN 61000-2-2 2002
2-2: Environment - Compatibility levels for
low-frequency conducted disturbances and
signalling in public low-voltage power
supply systems
IEC/TR 61000-4-1 - Electromagnetic compatibility (EMC) - Part - -
4-1: Testing and measurement techniques
- Overview of the IEC 61000-4 series

IEC 60931-1 ®
Edition 3.0 2025-06
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Shunt power capacitors of the non-self-healing type for AC systems having a
rated voltage up to and including 1 000 V –
Part 1: General
Condensateurs shunt de puissance non autorégénérateurs pour réseaux à
courant alternatif de tension assignée inférieure ou égale à 1 000 V –
Partie 1 : Généralités
ICS 29.120.99, 31.060.70 ISBN 978-2-8327-0506-3

IEC 60931-1:2025-06(en-fr)
IEC 60931-1:2025 © IEC 2025
CONTENTS
FOREWORD. 4
1 Scope . 6
2 Normative references . 6
3 Terms and definitions . 7
4 Service conditions . 10
4.1 Normal service conditions . 10
4.2 Unusual service conditions . 11
5 Test requirements . 11
5.1 General . 11
5.2 Test conditions . 11
6 Tests . 11
6.1 Classification . 11
6.1.1 General . 11
6.1.2 Routine tests . 11
6.1.3 Type tests . 12
6.1.4 Acceptance tests. 12
6.2 Capacitance measurement and output calculation . 13
6.2.1 Measuring procedure . 13
6.2.2 Capacitance tolerances . 13
6.3 Measurement of the tangent of the loss angle (tan δ) of the capacitor . 13
6.3.1 Measuring procedure . 13
6.3.2 Loss requirements . 14
6.4 Voltage tests between terminals . 14
6.4.1 Routine test . 14
6.4.2 Type test . 14
6.5 Voltage tests between terminals and container . 14
6.5.1 Routine test . 14
6.5.2 Type test . 15
6.6 Test of internal discharge device . 15
6.7 Sealing test . 15
6.8 Thermal stability test . 16
6.9 Measurement of the tangent of the loss angle (tan δ) of the capacitor at
elevated temperature . 17
6.9.1 Measuring procedure . 17
6.9.2 Requirements . 17
6.10 Lightning impulse voltage test between terminals and container . 17
6.11 Discharge test . 18
6.12 Ageing test . 18
6.13 Destruction test . 18
6.14 Disconnecting test on internal fuses . 18
6.14.1 General . 18
6.14.2 Test procedure . 19
6.14.3 Capacitance measurement . 19
6.14.4 Inspection of the unit . 20
6.14.5 Voltage test after opening the container . 20
7 Maximum permissible voltage . 20
IEC 60931-1:2025 © IEC 2025
7.1 Long-duration voltages . 20
7.2 Switching voltages . 21
8 Maximum permissible current . 21
9 Discharge device . 21
10 Container connections . 22
11 Protection of the environment . 22
12 Other safety requirements . 22
13 Marking of the unit . 22
13.1 Rating plate . 22
13.2 Standardized connection symbols . 23
13.3 Warning plate . 23
14 Marking of the bank . 23
14.1 Instruction sheet or rating plate . 23
14.2 Warning plate .
...