Safety requirements for secondary batteries and battery installations - Part 3: Traction batteries

IEC 62485-3:2014 applies to secondary batteries and battery installations used for electric vehicles, e.g. in electric industrial trucks (including lift trucks, tow trucks, cleaning machines, automatic guided vehicles), in battery powered locomotives, in electric vehicles (e.g. goods vehicles, golf carts, bicycles, wheelchairs), and does not cover the design of such vehicles. It provides requirements on safety aspects associated with the installation, use, inspection, maintenance and disposal of batteries. This edition includes the following significant technical changes with respect to the previous edition:
a) a comprehensive revision of Clause 6, presenting a unified and changed formula for the calculation of the required ventilation air flow during battery charging;
b) addition of requirements for properties of floor material and battery changing equipment in Clause 9.

Exigences de sécurité pour les batteries d'accumulateurs et les installations de batteries - Partie 3: Batteries de traction

L'IEC 62485-3:2014 s'applique aux installations d'éléments et de batteries d'accumulateurs utilisés pour les véhicules électriques, par exemple, dans les chariots électriques industriels (incluant les chariots élévateurs, les tracteurs électriques, les machines de nettoyage, les véhicules automatiques guidés),les locomotives alimentées par batteries, les véhicules électriques routiers (par exemple, les véhicules pour le transport de marchandises, les voiturettes de golf, les bicyclettes, les chaises roulantes), et ne couvre pas la conception de tels véhicules. Elle fournit les exigences concernant les aspects de sécurité liés à la mise en oeuvre, à l'utilisation, au contrôle, à la maintenance et à la mise au rebut des batteries. Cette édition inclut les modifications techniques majeures suivantes par rapport à l'édition précédente:
a) un remaniement global de l'Article 6, donnant une formule unifiée et changée du calcul du débit d'air de ventilation requis pendant la charge de batteries;
b) l'addition dans l'Article 9 des exigences de qualité du revêtement de sol et du matériel pour changer des batteries.

General Information

Status
Published
Publication Date
09-Jul-2014
Current Stage
PPUB - Publication issued
Start Date
31-Jul-2014
Completion Date
10-Jul-2014
Ref Project

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IEC 62485-3 ®
Edition 2.0 2014-07
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Safety requirements for secondary batteries and battery installations –
Part 3: Traction batteries
Exigences de sécurité pour les batteries d’accumulateurs et les installations
de batteries –
Partie 3: Batteries de traction

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IEC 62485-3 ®
Edition 2.0 2014-07
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Safety requirements for secondary batteries and battery installations –

Part 3: Traction batteries
Exigences de sécurité pour les batteries d’accumulateurs et les installations

de batteries –
Partie 3: Batteries de traction

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
CODE PRIX S
ICS 29.220.20; 29.220.30; 43.040.10 ISBN 978-2-8322-1690-3

– 2 – IEC 62485-3:2014 © IEC 2014
CONTENTS
FOREWORD . 4
1 Scope . 6
2 Normative references . 6
3 Terms and definitions. 6
4 Protection against electric shock by the battery and charger . 8
4.1 General . 8
4.2 Protection against both direct and indirect contact . 9
4.3 Protection against direct and indirect contact when discharging the traction
battery on the vehicle (battery disconnected from charger/mains) . 9
4.4 Protection against direct and indirect contact when charging the traction
battery . 10
5 Prevention of short circuits and protection from other effects of electric current . 10
5.1 Cables and cell connectors . 10
5.2 Protective measures during maintenance . 10
5.3 Battery insulation. 11
6 Provisions against explosion hazards by ventilation . 11
6.1 Gas generation . 11
6.2 Ventilation requirements . 12
6.2.1 General . 12
6.2.2 Calculation of the minimum ventilation air flow . 12
6.2.3 Recommended charging practice . 13
6.2.4 Special chargers . 14
6.2.5 Multiple charging . 14
6.3 Natural ventilation . 14
6.4 Forced ventilation . 15
6.5 Close vicinity to the battery . 15
6.6 Ventilation of battery compartment . 15
7 Provisions against electrolyte hazard . 15
7.1 Electrolyte and water . 15
7.2 Protective clothing . 15
7.3 Accidental contact, "first aid" . 16
7.3.1 General . 16
7.3.2 Eye contact . 16
7.3.3 Skin contact . 16
7.4 Battery accessories and maintenance tools . 16
8 Battery containers and enclosures . 16
9 Accommodation for charging/maintenance . 16
10 Battery peripheral equipment/accessories . 17
10.1 Battery monitoring system . 17
10.2 Central water filling system . 18
10.2.1 General . 18
10.2.2 Safety aspects . 18
10.3 Central degassing systems . 18
10.4 Thermal management systems . 19
10.5 Electrolyte agitation system . 19
10.6 Catalyst vent plugs . 19

10.7 Connectors (plugs/sockets) . 19
11 Identification labels, warning notices and instructions for use, installation and
maintenance . 19
11.1 Warning labels . 19
11.2 Identification label . 20
11.3 Instructions . 20
11.4 Other labels . 20
12 Transportation, storage, disposal and environmental aspects . 20
12.1 Packing and transport . 20
12.2 Disassembly, disposal, and recycling of batteries . 21
13 Inspection and monitoring . 21
Bibliography . 22

Table 1 – Guideline: Maximum final charging current in A per 100 Ah during normal
conditions of use . 14

– 4 – IEC 62485-3:2014 © IEC 2014
INTERNATIONAL ELECTROTECHNICAL COMMISSION
_____________
SAFETY REQUIREMENTS FOR SECONDARY BATTERIES
AND BATTERY INSTALLATIONS –
Part 3: Traction batteries
FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote
international co-operation on all questions concerning standardization in the electrical and electronic fields. To
this end and in addition to other activities, IEC publishes International Standards, Technical Specifications,
Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as
...

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