ISO INTERNATIONAL STANDARD 10924-1 Second edition 2016-04-01 Road vehicles Circuit breakers Part 1: Definitions and general test requirements Vehicules routiers - Coupe-circuits - Partie 1: Définitions et exigences d'essais génerales Reference number IS0 10924-1:2016(E) ISO International Organization for Standardization ZHEJIANG INSTOF STANDARDIZATION C15956617 @IS02016 vided by IHS under lic Not for Resale, 2016/7/20 02:47:10 itted without license from IHS IS0 10924-1:2016(E) COPYRIGHTPROTECTEDDOCUMENT IS0 2016, Published in Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form written permission. Permission can be requested from either ISO at the address below or ISO's member body in the country of the requester. ISO copyrightoffice Ch. de Blandonnet 8 . CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 copyright@iso.org www.iso.org Internatinair PrganizationforStandardization ensee-ZHEJIANG INST.OF STANDARDIzARoISQ16- All rights reserved etworking permitted without license from IHS IS0 10924-1:2016(E) Contents Page Foreword ..V 1 Scope .1 2 Normative references 3 Terms and definitions 4 Marking, labelling and colour coding ..5 5 Tests and requirements . .5 5.1 General .5 5.1.1 General test conditions. 5.1.2 General performance requirements. .6 5.2 Voltagedrop ..6 5.2.1 Purpose .6 5.2.2 Test. .6 5.2.3 Requirement .6 5.3 Maximum housing temperature .6 5.3.1 Purpose 6 5.3.2 Test. .6 5.3.3 Requirement . 6 5.4 Environmental conditions .7 5.4.1 Purpose 5.4.2 Mechanical loads .7 5.4.3 Climatic loads .7 5.4.4 Chemical loads 7 5.5 Operating time rating .7 5.5.1 Purpose 7 5.5.2 Test. .8 5.5.3 Requirement. .8 5.6 Current steps 8 5.6.1 Purpose 5.6.2 Test. .8 5.6.3 Requirement ..8 5.7 No current trip and reset temperature .8 5.7.1 Purpose. ..8 5.7.2 Test. 5.7.3 Requirement .9 5.8 Absolute breaking capacity .9 5.8.1 Purpose 9 5.8.2 Test. .9 5.8.3 Requirement. .9 5.9 Breaking capacity 5.9.1 Purpose 9 5.9.2 Test. 10 5.9.3 Requirement. .10 5.10 Strength of terminals. .10 5.10.1 Purpose .10 5.10.2 Test. .11 5.10.3 Requirement .11 5.11 Endurance. 11 5.11.1 Purpose 11 5.11.2 Test. .11 5.11.3 Requirement 11 5.12 Dielectric strength. .12 5.12.1 Purpose ..12 5.12.2 Test. .12 iii ISee=ZHEJIANG INST OF STANDARDIZATION C1 5956617 d without license from IHS