ISO INTERNATIONAL STANDARD 8528-12 Second edition 2022-08 Reciprocating internal combustion engine driven alternating current generating sets - Part 12: Emergency power supply to safety services Groupes électrogenes a courant alternatifentraines par moteurs alternatifsacombustioninterne Partie 12: Alimentation électrique de secours de services de sécurité Reference number IS0 8528-12:2022(E) ISO @IS02022 IS0 8528-12:2022(E) COPYRIGHTPROTECTEDDOCUMENT @IS02022 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 anyform or byanymeans, 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-1214Vernier,Geneva Phone:+41227490111 Email: copyright@iso.org Website: www.iso.org Published in Switzerland ii @IS02022-All rights reserved