ISO/TS TECHNICAL SPECIFICATION 4210-10 First edition 2020-07 Cycles Safety requirements for bicycles - Part 10: Safety requirements for electrically power assisted cycles (EPACs) Reference number ISO/TS 4210-10:2020(E) [so @IS02020 IS0/TS 4210-10:2020(E) COPYRIGHT PROTECTED DOCUMENT IS02020 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 below 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: +41 22 749 0111 Email: [email protected] Website: www.iso.org Published in Switzerland ii @ IS0 2020 - All rights reserved IS0/TS 4210-10:2020(E) Contents Page Foreword ..V Introduction. ...vi 1 Scope. 2 Normative references 3 Terms and definitions 4 Abbreviated terms 5 General requirements. ..6 5.1 Lighting systems, reflectors and warning device. .6 5.2 Risk assessment. ..7 5.3 Significant hazards and safety functions. .7 5.3.1 Significant hazards.. 5.3.2 Safety function for control system of EPACs .7 5.4 Prevention ofunauthorizeduse, .8 5.5 Failure mode. .8 5.5.1 Requirement ..8 5.5.2 Test method. ..8 6 Electrical requirements 6.1 Motor controller ..8 6.2 Controls and symbols. ..8 6.3 Batteries .9 6.4 Battery charger. .9 6.4.1 Requirements for proprietary system. .9 6.4.2 Requirements for non-proprietary system 6.4.3 Solutions for non-proprietary systems .10 6.5 Electric cables and couplers. .10 6.6 Wiring .10 6.7 Protection against ingress of water (IP code) .11 6.8 Environmental and operational conditions. ..11 6.9 Mechanical strength of the electrical components. ..11 6.9.1 General ..11 6.9.2 Function related shock test. .11 6.9.3 Impact related shock test .11 6.10 Performance measurement. .12 6.10.1 General 6.10.2 System based on maximum continuous rated power .12 6.10.3 Systembased onmaximumassistedrate 14 6.11 Walk assistance mode .20 6.11.1 Requirements 20 6.11.2 Test method for EPAC with walk assistance mode 20 6.12 Electromagnetic compatibility (EMC) 21 6.12.1 Requirement 21 6.13 Anti-tampering measure. 21 6.13.1 General. 21 6.13.2 Prevention of tampering of the motor 21 6.14 Thermal hazards. 22 6.14.1 Non-continuouscontactsurface 22 6.14.2 Continuouscontactsurface 22 6.14.3 Ambient temperature ..22 7 Mechanical requirements. .22 7.1 General .22 7.2 Brakes Heat-resistance test .22 7.3 Handlebar and stem assembly - Lateral bending test 22 @ IS0 2020 - All rights reserved ii IS0/TS 4210-10:2020(E) 7.4 Handlebar stem - Forward bending test. 23 7.5 Handlebar to handlebar stem - - Torsional security test 23 7.6 Handlebar and stem assembly - Fatigue test. 23 7.7 Frame Impact test (falling mass) 23 7.8 Frame and front fork assembly Impact test (falling frame) 24 7.9 Frame - Fatigue test with horizontal forces. .24 7.10 Frame - Fatigue test with a vertical force 24 7.11 Front fork - Static bending test .25 7.12 Front fork Rearward impact test .25 7.13 Front fork - Bending fatigue test plus rearward impact test 25 7.14 Seat-post - Fatigue test. 25 8 Manufacturer's instructions .26 9 Marking. .26 Annex A (normative) Electromagnetic compatibility of EPACs. .28 Annex B (informative) Electromagnetic compatibility of ESAs. .35 Annex C (normative) The battery chargers for non-proprietary system .44 Annex D (normative) Light, audible warning device, On/Off symbols. .118 Annex E (informative) Environmental and operational conditions .119 Annex F (normative) Battery 120 Bibliography .125 iv @ IS0 2020 - All rights reserved IS0/TS 4210-10:2020(E) Foreword Iso (the International Organization for Standardization) is a worldwide federation of national standards bodies (IsO member bodies). The work of preparing International Standards is normally carried out throughIsotechnicalcommittees.Eachmemberbodyinterestedinasubjectforwhichatechnical committee has be