IEC IEC60079-33 Edition 1.0 2012-09 INTERNATIONAL STANDARD NORME INTERNATIONALE Explosiveatmospheres Part 33: Equipment protection by special protection“"s" Atmospheresexplosives- Partie 33: Protection du materiel par protection speciale "s" IEC 60079-33:2012 No re THIS PUBLICATIONIS COPYRIGHT PROTECTED Copyright @ 2012 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either IEC or IEC's member National Committee in the country of the requester. if you have any questions about IEC copyright or have an enquiry about obtaining additional rights to this publication, please contact the address below or yourlocal IEC member National Committee for further information Droits de reproduction reserves. Sauf indication contraire, aucune partie de cette publication ne peut etre reproduite ni utilisee sous quelque forme que ce soit et par aucun procede, electronique ou mecanique, y compris la photocopie et les microfilms, sans I'accord ecrit de la CEl ou du Comite national de la CEl du pays du demandeur. Si vous avez des questions sur le copyright de la CEl ou si vous desirez obtenir des droits supplementaires sur cette publication, utilisez les coordonnees ci-apres ou contactez le Comite national de la CEl de votre pays de residence. IEC Central Office Tel.: +41 22 919 02 11 3, rue de Varembé Fax: +41 22 919 03 00 CH-1211 Geneva 20 info@iec.ch Switzerland www.iec.ch About the IEC International Standards for all electrical, electronic and related technologies. AboutIEC publications The technical content of IEC publications is kept under constant review by the IEC. Please make sure that you have the latest edition, a corrigenda or an amendment might have been published. Useful links: Electropedia - www.electropedia.org IEC publications search-www.iec.ch/searchpub The advanced search enables you to find IEC publications The world's leading online dictionary of electronic and by a variety of criteria (reference number, text, technical electrical terms containing more than 30 000 terms and committee....). definitions in English and French, with equivalent terms in It also gives information on projects, replaced and additional languages. Also known as the International withdrawn publications. Electrotechnical Vocabulary (IEV) on-line. IEC Just Published -webstore.iec.ch/justpublished Customer Service Centre -webstore.iec.ch/csc Stay up to date on all new IEC publications. Just Published If you wish to give us your feedback on this publication details all new publications released. Available on-line and need furtherassistance, please contactthe or also once a month by email. Customer Service Centre:csc@iec.ch. A propos de la CEl La Commission Electrotechnique Internationale (CEl) est la premiere organisation mondiale qui élabore et publie des AproposdespublicationsCEl Le contenu technique des publications de la CEl est constamment revu. Veuillez vous assurer que vous possedez I'éedition la plus recente, un corrigendum ou amendement peut avoir ete publie. Liens utiles: Recherche de publications CEl - www.iec.ch/searchpub Electropedia -www.electropedia.org La recherche avancee vous permet de trouver des Le premier dictionnaire en ligne au monde de termes publications CEl en utilisant differents criteres (numero de electroniques et electriques.Il contient plus de 30 000 reference, texte, comite d'etudes...). temes et definitions en anglais et en francais, ainsi que Elle donne aussi des informations sur les projets et les les termes equivalents dans les langues additionnelles publications remplacees ou retirees. Egalement appele Vocabulaire Electrotechnique International (VEl) en ligne. Just Published CEl -webstore.iec.ch/justpublished Service Clients -webstore.iec.ch/csc Restez informe sur les nouvelles publications de la CEl. Just Publishe