International ISO Standard ISO5474-1 First edition Electrically propelled road vehicles -Functional and safety 2024-06 requirements for power transfer vehicleand between external electric circuit Part 1: General requirements for conductive power transfer Vehicules routiers a propulsion électrique -Exigences fonctionnelles et exigencesdesécurite pourle transfert de puissance entre levéhiculeetle circuit électrique externe - Partiel:Exigencesgeneralespour conduction number @ISO 2024 :2024 (en) IS05474-1:2024(en) COPYRIGHT PROTECTED DOCUMENT O IS02024 All rights reserved.Unless otherwise specified,or required in the context of its implementation,no part of this publication may be reproduced or utilized otherwise in any form or by any means,electronic or mechanical.including photocopying,or posting on or ISO's member body in the country of the requester. ISO copyright office CP 401-Ch.de Blandonnet 8 CH-1214 Vernier,Geneva Phone:+4122749Q111 Email:copyright@iso.org Website:wwwiso.org Published in Switzerland OISO 2024-All rights reserved ii ISO 5474-1:2024(en) Contents Page Foreword iV Introduction 1 Scope 2 Normative references 3 Terms anddefinitions 3.1 General AC and DC power transfer . 3.2 4 System architecture 5 Environmental and operational conditions 9 Safety requirements 6 6.1 9 General ... 6.2 Protection ofpersons against electric shock 6.2.1 General 6.2.2 Compatibility with external safety devices ... 10 6.2.3 Insulation resistance 10 6.2.4 Touch current .10 6.2.5 Insulation coordination 10 6.2.6 Protective conductor 10 6.2.7 Basic protection when connected to an external electric circuit 11 6.2.8 Requirements for unmated vehiclecontacts 12 6.3 Protection against thermal incident 13 6.3.1 Requirements for normal operation 13 Overcurrent protection 6.3.2 14 6.3.3 Residual energy after disconnection related to thermal incident 14 Arcprotection 6.3.4 14 6.4 Vehiclemovement ..... 5 ACorDC electric power at the samecontacts .. 6.5 15 7 Electromagnetic compatibility (EMC) .... 15 8 Protection in case of unintended power transfer 9 Functional requirements 10 Additional requirements for reverse power transfer ..15 11 Owner's manual andmarking ... ..16 Owner's manual 16 11.1 Marking ...... 11.2 16 12 Test 16 12.1 General 16 Resistance of protective conductor 12.2 17 12.3 Insulation resistance 17 ......... Bibliography 18 OIS0 2024-All rights reserved ii