SIST EN IEC 60898-3:2025

SLOVENSKI STANDARD
01-julij-2025
Električni pribor - Odklopniki za nadtokovno zaščito za gospodinjske in podobne
inštalacije - 3. del: Odklopniki za enosmerni tok (IEC 60898-3:2019)
Electrical accessories - Circuit-breakers for overcurrent protection for household and
similar installations - Part 3: Circuit-breakers for DC operation (IEC 60898-3:2019)
Elektrisches Installationsmaterial - Leitungsschutzschalter für Hausinstallationen und
ähnliche Zwecke - Teil 3: Leitungsschutzschalter für Gleichstrom (DC) (IEC 60898-
3:2019)
Petit appareillage électrique - disjoncteurs pour la protection contre les surintensités pour
installations domestiques et analogues - Partie 3: Disjoncteurs pour le fonctionnement
en courant continu (IEC 60898-3:2019)
Ta slovenski standard je istoveten z: EN IEC 60898-3:2025
ICS:
29.120.50 Varovalke in druga Fuses and other overcurrent
nadtokovna zaščita protection devices
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN IEC 60898-3

NORME EUROPÉENNE
EUROPÄISCHE NORM March 2025
ICS 29.120.50
English Version
Electrical accessories - Circuit-breakers for overcurrent
protection for household and similar installations - Part 3: Circuit-
breakers for DC operation
(IEC 60898-3:2019)
Petit appareillage électrique - disjoncteurs pour la protection Elektrisches Installationsmaterial - Leitungsschutzschalter
contre les surintensités pour installations domestiques et für Hausinstallationen und ähnliche Zwecke - Teil 3:
analogues - Partie 3: Disjoncteurs pour le fonctionnement Leitungsschutzschalter für Gleichstrom (DC)
en courant continu (IEC 60898-3:2019)
(IEC 60898-3:2019)
This European Standard was approved by CENELEC on 2025-02-03. 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 60898-3:2025 E

European foreword
This document (EN IEC 60898-3:2025) consists of the text of document IEC 60898-3:2019, prepared
by SC 23E "Circuit-breakers and similar equipment for household use" of IEC/TC 23 "Electrical
accessories".
The following dates are fixed:
• latest date by which this document has to be (dop) 2026-03-31
implemented at national level by publication of an
identical national standard or by endorsement
• latest date by which the national standards (dow) 2028-03-31
conflicting with this document have to be withdrawn
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.
This document is read in conjunction with EN IEC 60898-3:2025/A1:2025 and
This document has been prepared under a standardisation request addressed to CENELEC by the
European Commission. The Standing Committee of the EFTA States subsequently approves these
requests for its Member States.
For the relationship with EU Legislation, see informative Annex ZZ, which is an integral part of
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 60898-3:2019 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 60038 NOTE Approved as EN 60038
IEC 60060-1:2010 NOTE Approved as EN 60060-1:2010 (not modified)
IEC 60112 NOTE Approved as EN IEC 60112
IEC 60364 series NOTE Approved as HD 60364 series
IEC 60364-4-41:2005 NOTE Approved as HD 60364-4-41:2017 +A11:2017
IEC 60664-3 NOTE Approved as EN 60664-3
IEC 60898-1:2015 NOTE Approved as EN 60898-1:2019 +A11:2024
IEC 60898-2:2016 NOTE Approved as EN 60898-2:2021
IEC 60998-1:2002 NOTE Approved as EN 60998-1:2004
IEC 60998-2-2:2002 NOTE Approved as EN 60998-2-2:2004
IEC 60999 series NOTE Approved as EN 60999 series
ISO 2039-2:1987 NOTE Approved as EN ISO 2039-2:1999 (not modified)

IEC 60898-3 ®
Edition 1.0 2019-04
INTERNATIONAL
STANDARD
Electrical accessories – Circuit-breakers for overcurrent protection for

household and similar installations –

Part 3: Circuit-breakers for DC operation

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 29.120.50 ISBN 978-2-8322-6676-2

– 2 – IEC 60898-3:2019 © IEC 2019
CONTENTS
FOREWORD . 9
1 Scope . 11
2 Normative references . 12
3 Terms and definitions . 12
3.1 Devices . 13
3.2 General terms . 13
3.3 Constructional elements . 15
3.4 Conditions of operation . 18
3.5 Characteristic quantities . 19
3.6 Definitions related to insulation co-ordination . 23
4 Classification . 25
4.1 General . 25
4.2 According to the number of poles . 25
4.3 According to the current direction through the poles. 25
4.4 According to the protection against external influences . 26
4.5 According to the method of mounting . 26
4.6 According to the methods of connection . 26
4.6.1 According to the fixation system . 26
4.6.2 According to the type of terminals . 26
4.7 According to the instantaneous tripping current (see 3.5.18) . 26
5 Characteristics of circuit-breakers. 26
5.1 List of characteristics . 26
5.2 Rated quantities . 27
5.2.1 Rated voltages . 27
5.2.2 Rated direct current (I ) . 27
n
5.2.3 Rated short-circuit capacity (I ) . 27
cn
5.2.4 Rated making and breaking capacity of an individual pole (I ) . 27
cn1
5.3 Standard and preferred values . 28
5.3.1 Preferred values of rated voltage . 28
5.3.2 Preferred values of rated current . 28
5.3.3 Values of rated short-circuit capacity . 28
5.3.4 Standard ranges of instantaneous tripping . 28
5.3.5 Standard value of rated impulse withstand voltage (U ) . 28
imp
6 Marking and other product information . 29
7 Standard conditions for operation in service . 30
7.1 General . 30
7.2 Ambient air temperature range . 30
7.3 Altitude . 31
7.4 Atmospheric conditions . 31
7.5 Conditions of installation . 31
7.6 Pollution degree . 31
8 Requirements for construction and operation . 31
8.1 Mechanical design . 31
8.1.1 General . 31
8.1.2 Mechanism . 31
8.1.3 Clearances and creepage distances (see Annex A) . 33

IEC 60898-3:2019 © IEC 2019 – 3 –
8.1.4 Screws, current-carrying parts and connections . 35
8.1.5 Terminals for external conductors . 36
8.1.6 Non-interchangeability . 38
8.1.7 Mechanical mounting of plug-in type circuit-breakers . 39
8.2 Protection against electric shock . 39
8.3 Dielectric properties and isolating capability . 39
8.3.1 General . 39
8.3.2 Dielectric properties . 40
8.3.3 Isolating capability . 40
8.3.4 Dielectric strength at rated impulse withstand voltage (U ) . 40
imp
8.4 Temperature rise . 40
8.4.1 Temperature rise limits . 40
8.4.2 Ambient air temperature . 40
8.5 Uninterrupted duty . 41
8.6 Automatic operation . 41
8.6.1 Standard time-current zone . 41
8.6.2 Conventional quantities . 42
8.6.3 Tripping characteristic . 42
8.7 Mechanical and electrical endurance . 42
8.8 Performance at short-circuit currents and at small DC currents . 43
8.9 Resistance to mechanical shock and impact . 43
8.10 Resistance to heat . 43
8.11 Resistance to abnormal heat and to fire . 43
8.12 Resistance to rusting .
...