IEC_60255-3_.pdf

NORME INTERNATIONALE INTERNATIONAL STANDARD CE1 IEC 255-3 Deuxime dition Second edition 1989-05 Relais lectriques Troisime partie:Relais de mesure et dispositifs de protection une seule grandeur dalimentation dentre temps dpendant ou indpendant Elect ri ea I re1 ays Part 3:Single input energizing quantity measuring relays with dependent or independent time Numro de rfrence Reference number CEI/IEC 255-3:1989 COPYRIGHT International Electrotechnical CommissionLicensed by Information Handling ServicesCOPYRIGHT International Electrotechnical CommissionLicensed by Information Handling ServicesIEC 255 PTa3 8 7 W 4844893 0021726 2 Rvision de la 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 actuel de la technique.The technical content of I EC publications is kept under con-stant review by the I EC,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 CE1 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:Bulletin de la CE I IEC Bulletin Annuaire de la CE I IEC Yearbook Catalogue des publications de la CE I Publi annuellement 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.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.Les termes et dfinitions figurant dans la prsente publication ont t soit repris du VEI,soit spcifiquement approuvs aux fins de cette publication.Symboles graphiques et littraux Pour les symboles graphiques,symboles littraux et signes dusage gnral approuvs par la CEI,le lecteur consultera:-la Publication 27 de la CEI:Symboles littraux utiliser en-ia Publication 617 de ia CEI:Symboles graphiques pour lectrotechnique;schmas.Les symboles et signes contenus dans ia prsente publication ont t soitrepris des Publications 27 ou 617 de la CEI,soit spcifi-quement approuvs aux fins de cette publication.Publications de la CE1 tablies par le mme Comit dEtudes 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.Graphical and letter symbols 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 contained in the present publication have either been taken from I EC Publications 27 or 617,or have been specifically approved for the purpose of this publication.IEC publications prepared by the same Technical Committee Lattention du lecteur est attire sur le deuxime feuillet de la couverture,qui numre les publications de la CE I prpares par le Comit#Etudes qui a tabli la prsente publication.The attention of readers is drawn to the back cover,which lists I EC publications issued by the Technical Committee which has prepared the present publication.-y COPYRIGHT International Electrotechnical CommissionLicensed by Information Handling ServicesCOPYRIGHT International Electrotechnical CommissionLicensed by Information Handling ServicesNORME INTERNATIONALE INTERNATIONAL STANDARD CE1 IEC 255-3 Deuxime dition Second edition 1989-05 Relais lectriques Troisime partie:Relais de mesure et dispositifs de protection une seule grandeur dalimentation dentre temps dpendant ou indpendant Electrical relays Part 3:Single input energizing quantity measuring relays with dependent or independent time O CE1 1989 Droits de reproduction rservs-Copyright-all rights reserved Aucune parlie de cene pubrcation ne peut&re reproduite ni utide sous quelque forme quecesoit et par aucun procd,!eciron,que ou mcan que.y compns la photocop e et les m,crofilms,sans laccord cnt de lditeur No panofth s pub1 cationmaybereproducedorutiizedm aiiyfarmor b any mems,electronic or niechan cal,including photocopyng and m crofim,wthout perm sson in viriting from the publisher Bureau Central de la Commission Electrotechnique Internationale 3,rue de Varemb Genve,Suisse i o CODE PRIX PRICE CODE _-Commission Electrotechnique Intern