IEC IEC TR 61431 Edition 2.0 2020-09 TECHNICAL REPORT Guidelines for the use of monitor systems for lead-acid traction batteries IEC TR 61431:2020-09(en) THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright @ 2020 IEC, Geneva, Switzerland or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either IEC or IEC's member National Commitee in the country of the requester. if you have any questions about IEC copyright or have an enquiry about obtaining additional rights to this publication, piease contact the address below or your local IEC member National Committee for further information. IEC CentralOffice Tel.: +4122 919 0211 3, rue de Varembé [email protected] CH-1211 Geneva 20 www.iec.ch Switzerland Aboutthe IEC International Standards for all electrical, electronic and related technologies. About IEC publications The technical content of IEC publications is kept under constant review by the IEC. Please make sure that you have the latestedition, a corrigendum oran amendment might have beenpublished. IEC publications search - webstore.iec.ch/advsearchform Electropedia - www.electropedia.org The world's leading online dictionary on electrotechnology. criteria(reference number,text, technical containing more than 22 000 terminological entries in English committee,..). It also gives information on projects, replaced and French, with equivalent terms in 16 additional languages. Also known as the International Electrotechnical Vocabulary and withdrawn publications. (IEV) online. IEc Just Published - webstore.iec.ch/justpublished IEC Glossary - std.iec.ch/glossary Stay upto date on all new IEC publications.Just Published details all new publications released. Available online and 67 000 electrotechnical terminology entries in English and once a month by email. French extracted from the Terms and Definitions clause of IEC publications issued since 2002.Some entries have been collected from earlier publications of IEC TC 37, 77, 86 and IECCustomerServiceCentre-webstore.iec.ch/csc If you wish to give us your feedback on this publication or CISPR. need further assistance, please contact the Customer Service Centre: [email protected]. IEC IEC TR 61431 Edition 2.02020-09 TECHNICAL REPORT Guidelines for the use of monitor systems for lead-acid traction batteries INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS 29.220.20 ISBN 978-2-8322-8854-2 Warning! Make sure that you obtained this publication from an authorized distributor. ? Registered trademark of the International Electrotechnical Commission