IEC_940__1988.pdf

STD.IEC bOSO-ENGL 1988 W q84V89L Obb75Li2 7T7 W Publication 60940 de la CE1(Premire dition-1988)IEC Publication 60940(First edtion-1988)Guide demploi des condensateurs,rsistances,inductances et filtres complets dantiparasitage Guidance information on the application of capacitors,resistors,inductors,and complete filter units for radio interference suppression CORRIGENDUM Page 14 6.1 Condensateurs de classe X,Y et U Remplacer le texte existant du deuxime paragtaphe Les condensateurs de Classe X sont des-tins tre connects sur lalimentation Les condensateurs de Classe X sont des-tins tre connects sur lalimentation 1)par le nouveau texte amend suivant:Ajouter la note suivante a la fin de 6.1:Si des prcautions de montage ont&t ralises au moyen dun contact appropri de mise ia terre-de teile manire quen cas de dfaut Iappareil ne soit pas mis un potentiel dangereux-des condensateurs,au moins de classe X2.peuvent tre utiliss entre lalimentation et la terre.Page 15 6.1 Class X,Y and U capacitors Replace the existing text of the second Paragraph X-capacitors are intended to be connected across the line by the following amended new text:X-capacitors are intended to be connected across the line l)Add the following note at the end of 6.I:1 If constructive precautions provide by means o f an appropriate earth contact,that in the case o f failure there is no dangerous voltage at the apparatus,at least X2capacitors connected in series may be used between line and earth.January 1998 Janvier 1998 Copyright International Electrotechnical Commission Provided by IHS under license with IECNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-IEC 940 88 4844891 0093454 3 W NORME INTERNATIONALE INTERNATIONAL STANDARTT Com m issio n E I ect rotec h n iq u e I nternat io n a le I nt ern at io na I E I ect rot ec h n ica I Com m issio n I u L-Guide demploi des condensateurs,rsistances,inductances et fi Itres complets danti pa rasitage Guidance information on the application of capacitors,resistors,inductors,and complete filter units for radio i n t erf eren ce su p p ressi on CE1 IEC 940 Premire dition First edition 1988 Publication 940:1988 Copyright International Electrotechnical Commission Provided by IHS under license with IECNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-IEC 940&i W 4Bi.11189L 0073455 5 Rvision de ia prsente publication Revision of this publication Le contenu technique des publications de la CE I est constam-ment revu par la Commission afin dassurer quil reflte bien ltat actuei de la technique.The technical content of I EC publications is kept under con-stant review by the IEC,thus ensuring that the content reflects current technology.Les renseignements relatifs ce travail de rvision,ltablis-sement des ditions rvises et aux mises jour peuvent tre obtenus auprs des Comits nationaux de la CE I et en consultant les documents ci-dessous:Information on the work of revision,the issue of revised edi-tions and amendment sheets may be obtained from I EC National Committees and from the following I EC sources:e Bulletin de la CE I Annuaire de la CE I Catalogue des publications de la CE I Publi annuellement e IEC Bulletin I EC Yearbook e Catalogue of I EC Publications Published yearly Terminologie Terminology En ce qui concerne la terminologie gnrale,le lecteur se repor-tera la Publication 50 de la CE I:Vocabulaire Electrotechnique International(VEI),qui est tablie sous forme de chapitres spars traitant chacun dun sujet dfini,lIndex gnral tant publi spa-rment.Des dtails complets sur le VE1 peuvent tre obtenus sur demande.Les termes et dfinitions figurant dans la prsente publication ont t soit repris du VEI,soit spcifiquement approuvs aux fins de cette publication.For general terminology,readers are referred to I EC Publi-cation 50:International Electrotechnical Vocabulary(IEV),which is issued in the form of separate chapters each dealing with a specific field,the General Index being published as a separate booklet.Full details of the IEV will be supplied on request.The terms and definitions contained in the present publication have either been taken from the IEV or have been specifically approved for the purpose of this publication.Symboles graphiques et littraux Graphical and letter syinbols Pour les symboles graphiques,symboles littraux et signes dusage gnral approuvs par la CE I,le lecteur consultera:-la Publication 27 de la CEI:Symboles littraux utiliser en-la Publication 617 de la CEI:Symboles graphiques pour lectrotechnique;schmas.Les symboles et signes contenus dans la prsente publication ont t soit repris des Publications 27 ou 617 de la CEI,soit spcifi-quement approuvs aux fins de cette publication.For graphical symbols,and letter symbols and signs approved by the I EC for general use,readers are referred to:-IEC Publication 27:Letter symbols to be used in electrical-IEC Publication 617:Graphical symbols for diagrams.technology;The symbols and signs c