EN IEC 62485-2:2018

SLOVENSKI STANDARD
01-oktober-2018
1DGRPHãþD
SIST EN 50272-2:2002
9DUQRVWQH]DKWHYH]DVHNXQGDUQHEDWHULMHLQEDWHULMVNHQDSUDYHGHO
1HSUHPLþQHEDWHULMH
Safety requirements for secondary batteries and battery installations - Part 2: Stationary
batteries
Exigences de sécurité pour les batteries d'accumulateurs et les installations de batteries
- Partie 2: Batteries stationnaires
Ta slovenski standard je istoveten z: EN IEC 62485-2:2018
ICS:
29.220.20 .LVOLQVNLVHNXQGDUQLþOHQLLQ Acid secondary cells and
EDWHULMH batteries
29.220.30 $ONDOQLVHNXQGDUQLþOHQLLQ Alkaline secondary cells and
EDWHULMH batteries
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN IEC 62485-2

NORME EUROPÉENNE
EUROPÄISCHE NORM
May 2018
ICS 29.220.20; 29.220.30 Supersedes EN 50272-2:2001
English Version
Safety requirements for secondary batteries and battery
installations - Part 2: Stationary batteries
(IEC 62485-2:2010)
Exigences de sécurité pour les batteries d'accumulateurs et Sicherheitsanforderungen an Sekundär-Batterien und
les installations de batteries - Partie 2: Batteries Batterieanlagen - Teil 2: Stationäre Batterien
stationnaires (IEC 62485-2:2010)
(IEC 62485-2:2010)
This European Standard was approved by CENELEC on 2018-04-09. 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, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, 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
© 2018 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN IEC 62485-2:2018 E

European foreword
This document (EN IEC 62485-2:2018) consists of the text of IEC 62485-2:2010 prepared by
IEC/TC 21 "Secondary cells and batteries".

The following dates are fixed:

• latest date by which this document has to be (dop) 2019-04-09
implemented
at national level by publication of an identical
national standard or by endorsement
(dow) 2021-04-09
• latest date by which the national standards conflicting
with this document have to be withdrawn
This document supersedes EN 50272-2:2001.

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.

Endorsement notice
The text of the International Standard IEC 62485-2:2010 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 standards
indicated:
IEC 60065 NOTE  Harmonized as EN 60065.
IEC 60079-10-1:2008 NOTE  Harmonized as EN 60079-10-1:2009 (not modified).
IEC 60364-1 NOTE  Harmonized as HD 60364-1.
IEC 60364-4-42 NOTE  Harmonized as HD 60364-4-42.
IEC 60364-5-54 NOTE  Harmonized as HD 60364-5-54.
IEC 60364-7-706 NOTE  Harmonized as EN 60364-7-706.
IEC 60950-1 NOTE  Harmonized as EN 60950-1.
IEC 60990 NOTE  Harmonized as EN 60990.
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.cenelec.eu.
Publication Year Title EN/HD Year
IEC 60364-4-41 -  Low-voltage electrical installations -- Part HD 60364-4-41 -
4-41: Protection for safety - Protection
against electric shock
IEC 60364-4-43 -  Low voltage electrical installations -- Part HD 60364-4-43 -
4-43: Protection for safety - Protection
against overcurrent
IEC 60364-5-53 -  Electrical installations of buildings -- Part 5-- -
53: Selection and erection of electrical
equipment - Isolation, switching and control
IEC 60529 1989 Degrees of protection provided by EN 60529 1991
enclosures (IP Code)
- -  + corrigendum May 1993
IEC 60622 2002 Secondary cells and batteries containing EN 60622 2003
alkaline or other non-acid electrolytes -
Sealed nickel-cadmium prismatic
rechargeable single cells
IEC 60623 2001 Secondary cells and batteries containing EN 60623 2001
alkaline or other non-acid electrolytes -
Vented nickel-cadmium prismatic
rechargeable single cells
IEC 60664-1 -  Insulation coordination for equipment EN 60664-1 -
within low-voltage systems -- Part 1:
Principles, requirements and tests
IEC 60896-11 2002 Stationary lead-acid batteries -- Part 11: EN 60896-11 2003
Vented types - General requirements and
methods of tests
IEC 60896-21 2004 Stationary lead-acid batteries -- Part 21: EN 60896-21 2004
Valve regulated types - Methods of test
IEC 60896-22 2004 Stationary lead-acid batteries -- Part 22: EN 60896-22 2004
Valve regulated types - Requirements
IEC 60900 -  Live working - Hand tools for use up to 1 EN 60900 -
000 V a.c. and 1 500 V d.c.
IEC 61140 -  Protection against electric shock - EN 61140 -
Common aspects for installation and
equipment
IEC 61340-4-1 -  Electrostatics -- Part 4-1: Standard test EN 61340-4-1 -
methods for specific applications -
Electrical resistance of floor coverings and
installed floors
IEC 61660-1 -  Short-circuit currents in d.c. auxiliary EN 61660-1 -
installations in power plants and
substations -- Part 1: Calculation of short-
circuit currents
IEC 61660-2 -  Short-circuit currents in d.c. auxiliary EN 61660-2 -
installations in power plants and
substations -- Part 2: Calculation of effects
IEC 62259 2003 Secondary cells and batteries containing EN 62259 2004
alkaline or other non-acid electrolytes -
Nickel-cadmium prismatic secondary single
cells with partial gas recombination
ISO 3864 series Graphical symbols - Safety colours and - -
safety signs
IEC/TR 60755 -  General requirements for residual current - -
operated protective devices
IEC 62485-2 ®
Edition 1.0 2010-06
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Safety requirements for secondary batteries and battery installations –
Part 2: Stationary batteries
Exigences de sécurité pour les batteries d’accumulateurs et les installations
de batteries –
Partie 2: Batteries stationnaires

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
W
CODE PRIX
ICS 29.220.20; 29.220.30 ISBN 978-2-88910-996-8
– 2 – 62485-2 © IEC:2010
CONTENTS
FOREWORD.4
INTRODUCTION.6
1 Scope.7
2 Normative references.7
3 Terms and definitions .8
4 Protection against electric shock.10
4.1 General .10
4.2 Protection against direct contact .11
4.3 Protection against indirect contact .11
4.3.1 Protection by automatic disconnection of supply.12
4.3.2 Protection by use of class II equipment or by equivalent insulation .16
4.3.3 Protection by electrical separation.16
4.4 Protection against both direct and indirect contact.16
4.4.1 General .16
4.4.2 Protection by Safety Extra Low Voltage (SELV) or by Protective Extra
Low Voltage (PELV).16
4.4.3 Protection by Functional Extra Low Voltage (FELV) without protective
separation .17
5 Disconnection and separation .17
6 Prevention of short circuits and protection from other effects of electric current .17
6.1 General .17
6.2 Short-circuits .18
6.3 Protective measures during maintenance.18
6.4 Leakage currents.19
7 Provisions against explosion hazards .19
7.1 Gas generation.19
7.2 Ventilation requirements .19
7.3 Natural ventilation.21
7.4 Forced ventilation .22
7.5 Charging modes .22
7.6 Overcharging under fault conditions .22
7.7 Close vicinity to the battery .22
7.8 Prevention of electrostatic discharges when working with batteries.23
8 Provision against electrolyte hazard .23
8.1 Electrolyte and water .23
8.2 Protective clothing .23
8.3 Accidental contact and "First Aid".23
8.3.1 General .23
8.3.2 Eye contact.24
8.3.3 Skin contact.24
8.4 Battery accessories and maintenance tools.24
9 Accommodation, housing .24
9.1 General .24
9.2 Specific requirements for separate battery rooms.24
9.3 Specific requirements for the specially separated areas in rooms
accommodating electrical equipment .25

62485-2 © IEC:2010 – 3 –
9.4 Battery enclosures .25
9.5 Working on or near batteries.26
9.5.1 Working distances within battery rooms .26
9.5.2 Remarks on special work in battery rooms .26
9.6 Accommodation of lead-acid and NiCd batteries in the same room .26
10 Charge current requirements .
...