IEC IEC62505-3-1 Edition 2.0 2020-03 INTERNATIONA L STANDARD Railway applications -Fixed installations -Particularrequirements for Ac switchgear- Part 3-1: Measurement, control and protection devices for specific use inActractionsystems-Devices IEC 62505-3-1:2020-03(en) Copyright Internat THISPUBLICATIONISCOPYRIGHT PROTECTED Copyright@2020IEC,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 Committee 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, please contact the address below or your local IEC member National Committee for further information. IECCentralOffice Tel.: +41 22 919 02 11 3, rue de Varembe [email protected] CH-1211Geneva www.iec.ch 20Switzerland Aboutthe IEC International Standards for all electrical, electronic and related technologies. AboutIECpublications latest edition, a corrigendum or an amendment might have been published. IEC publications search -webstore.iec.ch/advsearchform Electropedia -www.electropedia.org The advanced search enables to find IEC publications by a The world's leading online dictionary on electrotechnology, variety. of 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. and withdrawn publications. Also known as the International Electrotechnical Vocabulary (IEV) online. IEc Just Published -webstore.iec.ch/justpublished IEC Glossary - std.iec.ch/glossary Stay up to 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 IEC Customer Service Centre -webstore.iec.ch/csc collected from earlier publications of IEC TC 37, 77, 86 and If you wish to give us your feedback on this publication or CISPR. need further assistance, please contact the Customer Service Centre: [email protected]. Copyright Intemat hical Commissior IEC IEC 62505-3-1 Edition 2.02020-03 INTERNATIONA L STANDARD Railway applications -Fixed installations - Particular requirements for ACswitchgear- Part3-1:Measurement, control and protection devices for specific use inActractionsystems-Devices INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS 45.060.01 ISBN 978-2-8322-7846-8 Warning! Make sure that you obtained this publication from an authorized distributor. Copyright I