1、 NORME INTERNATIONALECEIIEC INTERNATIONAL STANDARD 61643-22Premire ditionFirst edition2004-11 Parafoudres basse tension Partie 22:Parafoudres connects aux rseaux de signaux et de tlcommunications Principes de choix et dapplication Low-voltage surge protective devices Part 22:Surge protective devices
2、 connected to telecommunications and signalling networks Selection and application principles Numro de rfrence Reference number CEI/IEC 61643-22:2004 Copyright International Electrotechnical Commission Provided by IHS under license with IECLicensee=Inelectra Panama s de RL/5983191001,User=Salazar,Je
3、susNot for Resale,12/02/2011 16:26:27 MSTNo reproduction or networking permitted without license from IHS-,-,-Numrotation des publications Depuis le 1er janvier 1997,les publications de la CEI sont numrotes partir de 60000.Ainsi,la CEI 34-1 devient la CEI 60034-1.Editions consolides Les versions con
4、solides de certaines publications de la CEI incorporant les amendements sont disponibles.Par exemple,les numros ddition 1.0,1.1 et 1.2 indiquent respectivement la publication de base,la publication de base incorporant lamendement 1,et la publication de base incorporant les amendements 1 et 2.Informa
5、tions supplmentaires sur les publications de la CEI Le contenu technique des publications de la CEI est constamment revu par la CEI afin quil reflte ltat actuel de la technique.Des renseignements relatifs cette publication,y compris sa validit,sont dispo-nibles dans le Catalogue des publications de
6、la CEI(voir ci-dessous)en plus des nouvelles ditions,amendements et corrigenda.Des informations sur les sujets ltude et lavancement des travaux entrepris par le comit dtudes qui a labor cette publication,ainsi que la liste des publications parues,sont galement disponibles par lintermdiaire de:Site w
7、eb de la CEI(www.iec.ch)Catalogue des publications de la CEI Le catalogue en ligne sur le site web de la CEI(www.iec.ch/searchpub)vous permet de faire des recherches en utilisant de nombreux critres,comprenant des recherches textuelles,par comit dtudes ou date de publication.Des informations en lign
8、e sont galement disponibles sur les nouvelles publications,les publications remplaces ou retires,ainsi que sur les corrigenda.IEC Just Published Ce rsum des dernires publications parues(www.iec.ch/online_news/justpub)est aussi dispo-nible par courrier lectronique.Veuillez prendre contact avec le Ser
9、vice client(voir ci-dessous)pour plus dinformations.Service clients Si vous avez des questions au sujet de cette publication ou avez besoin de renseignements supplmentaires,prenez contact avec le Service clients:Email:custserviec.ch Tl:+41 22 919 02 11 Fax:+41 22 919 03 00 Publication numbering As f
10、rom 1 January 1997 all IEC publications are issued with a designation in the 60000 series.For example,IEC 34-1 is now referred to as IEC 60034-1.Consolidated editions The IEC is now publishing consolidated versions of its publications.For example,edition numbers 1.0,1.1 and 1.2 refer,respectively,to
11、 the base publication,the base publication incorporating amendment 1 and the base publication incorporating amendments 1 and 2.Further information on IEC publications The technical content of IEC publications is kept under constant review by the IEC,thus ensuring that the content reflects current te
12、chnology.Information relating to this publication,including its validity,is available in the IEC Catalogue of publications(see below)in addition to new editions,amendments and corrigenda.Information on the subjects under consideration and work in progress undertaken by the technical committee which
13、has prepared this publication,as well as the list of publications issued,is also available from the following:IEC Web Site(www.iec.ch)Catalogue of IEC publications The on-line catalogue on the IEC web site(www.iec.ch/searchpub)enables you to search by a variety of criteria including text searches,te
14、chnical committees and date of publication.On-line information is also available on recently issued publications,withdrawn and replaced publications,as well as corrigenda.IEC Just Published This summary of recently issued publications(www.iec.ch/online_news/justpub)is also available by email.Please
15、contact the Customer Service Centre(see below)for further information.Customer Service Centre If you have any questions regarding this publication or need further assistance,please contact the Customer Service Centre:Email:custserviec.ch Tel:+41 22 919 02 11 Fax:+41 22 919 03 00.Copyright Internatio
16、nal Electrotechnical Commission Provided by IHS under license with IECLicensee=Inelectra Panama s de RL/5983191001,User=Salazar,JesusNot for Resale,12/02/2011 16:26:27 MSTNo reproduction or networking permitted without license from IHS-,-,-NORME INTERNATIONALECEIIEC INTERNATIONAL STANDARD 61643-22Premire ditionFirst edition2004-11 Parafoudres basse tension Partie 22:Parafoudres connects aux rseaux de signaux et de tlcommunications Principes de choix et dapplication Low-voltage surge protective d
