ISO INTERNATIONAL STANDARD 19453-3 First edition 2018-03 Road vehicles Environmental conditions and testing for electrical and electronic equipment for drive system of electric propulsion vehicles - Part 3: Mechanical loads Vehicules routiers - Spécifications d'environnement et essais de I'équipement électrique et électronique pour les véhicules d propulsion électrique - Partie 3: Contraintes mecaniques Reference number ISO 19453-3:2018(E) [so @ IS0 2018 IS0 19453-3:2018(E) COPYRIGHTPROTECTEDDOCUMENT @ IS0 2018 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 the internet or an intranet, without prior 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 copyright office CP 401 : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +41 22 749 0111 Fax: +41 22 749 09 47 Email: copyright@iso.org Website: www.iso.org Published in Switzerland ii @ IS0 2018 - All rights reserved IS0 19453-3:2018(E) Contents Page Foreword ..iv 1 Scope 1 2 Normative references ..1 3 Terms and definitions 4 Tests and requirements .2 4.1 Vibration. 2 4.1.1 General .2 4.1.2 Tests 4 4.2 Mechanical shock 11 4.2.1 Shock I Test for devices on rigid points on the body and on the frame 11 4.2.2 Shock II - Test for devices in or on the gearbox. 11 4.3 Freefall .12 4.3.1 Purpose 12 4.3.2 Test. .12 4.3.3 Requirements .13 4.4 Surface strength/scratch and abrasion resistance ..13 4.5 Gravel bombardment ..13 5 Code letters formechanical loads ..13 Documentation ..13 6 Annex A (informative) Guidelines for the development of test profiles for vibration tests ..14 Annex B (informative) Recommended mechanical requirements for equipment depending on the mounting location .39 Bibliography .40 @ IS0 2018 - All rights reserved ii