1、IEC 255 PT*23-3-B B W 4844893-O023563 O NORME INTERNATIONALE INTERNATIONAL STANDARD Commission Electrotechnique Internationale International Electrotechnical Commission M efiyHapofiHafl3nettrpoexecafl KOM MCCW Relais lectriques Vingt et unime partie:Essais de vibrations,de chocs,de secousses et de t
2、enue aux sismes applicables aux relais de mesure et aux dispositifs de protection Section un-Essais de vibrations(sinusodales)Electrical relays Part 21:Vibration,shock,bump and seismic tests on measuring relays and protection equipment Section One-Vibration tests(sinusoidal)CE1 IEC 255-2 1-1 Premire
3、 dition First edition 1988 Publication 255-21-1:1988 Copyright International Electrotechnical Commission Provided by IHS under license with IECNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-I E C 255 PT*ZL-L 44489L 0023564 2 Rvision de la prsente publication Le co
4、ntenu technique des publications de la CE1 est constam-ment revu par la Commission afin dassurer quil reflte bien.ltat actuel de la technique.Les renseignements relatifs cetravail de rvision,Itablis-sement des ditions rvises et aux mises jour peuvent tre obtenus auprs des Comits nationaux de la CE1
5、et en consultant les documents ci-dessous:o Bulletin de la CE1 o Annuaire de la CE1 o Catalogue des publications de la CE1 Publi annuellement Terminologie En ce qui concerne la terminologie gnrale,le lecteur se repor-tera la Publication 50 de la CEI:Vocabulaire Electrotechnique International(VEI),qu
6、i est tablie sous forme de chapitres spars traitant chacun dun sujet dfini,lIndex gnral tant publi sparment.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 ce
7、tte 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 utiliseren lectrotechnique;-la Publication 617 de la CEI:Symboles graphiques pour schmas.Les
8、symboles et signes contenus dans la prsente publication ont t soit repris des Publications 27 ou 617 de la CEI,soit spcifiquement approuvs aux fins de cette publication.Publications de la CE1 tablies par le mme Comit dEtudes Lattention du lecteur est attire sur le deuxime feuillet de la couverture,q
9、ui numre les publications de la CE1 prpares par le Comit dEtudes qui a tabli la prsente publication.Revision of this publication The technical content of IEC publications is kept under con-stant review by the IEC,thus ensuring that the content reflects current technology.Information on the work of r
10、evision,the issue of revised edi-tions and amendment sheets may be obtained from IEC National Committees and from the following IEC sources:o IEC Bulletin o IEC Yearbook o Catalogue of IEC Publications Published yearly Terminology For general terminology,readers are referred to IEC Publica-tion 50:I
11、nternational 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
12、 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 IEC for general use,readers are referred to:-IEC Publication 27:Letter symbols to be used in ele
13、ctrical-IEC Publication 617:Graphical symbols for diagrams.technology;The symbols and signs contained in the present publication have either been taken from IEC Publications 27 or 617,or have been specifically approved for the purpose of this publication.IEC publications prepared by the same Technic
14、al Committee The attention of readers is drawn to the back cover,which lists IEC publications issued by the Technical Committee which has prepared the present publication.,Copyright International Electrotechnical Commission Provided by IHS under license with IECNot for ResaleNo reproduction or netwo
15、rking permitted without license from IHS-,-,-NORME INTERNATIONALE INTERNATIONAL STANDARD Commission Electrotechnique Internationale Internat io na1 El ectrot ech n ical Commission MexAyHapOAHafl 3 n e p o e x w q e c a HOMMCCMFI Relais lectriques Vingt et unime partie:Essais de vibrations,de chocs,d
16、e secousses et de tenue aux sismes applicables aux relais de mesure et aux dispositifs de protection Section un-Essais de vibrations(sinusodales)Electrical relays Part 21:Vibration,shock,bump and seismic tests on measuring relays and protection equipment Section One-Vibration tests(sinusoidal)O C E I 1988 Droits de reproduction rservs-Copyright-all rights reserved Aucunepartiedecettepublicationnepeut8trereproduiteniirtilissousquelquefomie que ce soit et par aucun procd,lectronique ou mcanique,y
