International ISO Standard ISO24221 Railwayapplications-Braking Firstedition systemGeneralrequirements 2024-03 ApplicationsferroviairesSystemedefreinageExigences generales A Referencenumber ISO 24221:2024(en) @ISO2024 IS024221:2024(en) COPYRIGHTPROTECTEDDOCUMENT ?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 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 01 11 Email:copyright@iso.org Website:www.iso.org Published in Switzerland @ IS0 2024 All rights'reserved ii