IEC_64-1374e-CDV.pdf

64/1374/CDVCOMMITTEE DRAFT FOR VOTE(CDV)PROJET DE COMIT POUR VOTE(CDV)Project numberIEC 60364-5-51,A1,Ed.4Numro de projetIEC/TC or SC:TC 64CEI/CE ou SC:Date of circulationDate de diffusion2004-01-16Closing date for voting(Votingmandatory for P-members)Date de clture du vote(Voteobligatoire pour les membres(P)2004-06-18Titre du CE/SC:Installations lectriques etprotection contre les chocs lectriquesTC/SC Title:Electrical installations and protectionagainst electric shockSecretary:Mr.R.Pelta(Germany)Secrtaire:E-mail:Also of interest to the following committeesIntresse galement les comits suivants Supersedes documentsRemplace les documents64/1285/CD 64/1314A/CCFunctions concernedFonctions concernesSafetyScuritEMCCEMEnvironmentEnvironnementQuality assuranceAssurance qualitCE DOCUMENT EST TOUJOURS LTUDE ET SUSCEPTIBLE DEMODIFICATION.IL NE PEUT SERVIR DE RFRENCE.LES RCIPIENDAIRES DU PRSENT DOCUMENT SONT INVITS PRSENTER,AVEC LEURS OBSERVATIONS,LA NOTIFICATION DESDROITS DE PROPRIT DONT ILS AURAIENT VENTUELLEMENTCONNAISSANCE ET FOURNIR UNE DOCUMENTATION EXPLICATIVE.THIS DOCUMENT IS STILL UNDER STUDY AND SUBJECT TO CHANGE.ITSHOULD NOT BE USED FOR REFERENCE PURPOSES.RECIPIENTS OF THIS DOCUMENT ARE INVITED TO SUBMIT,WITH THEIRCOMMENTS,NOTIFICATION OF ANY RELEVANT PATENT RIGHTS OFWHICH THEY ARE AWARE AND TO PROVIDE SUPPORTINGDOCUMENTATION.Titre:Amendement 1 la CEI 60364-5-51,Ed.4:Installations lectriques des btiments-Partie5-51:Choix et mise en oeuvre des matrielslectriques-Rgles communesTitle:Amendment 1 to IEC 60364-5-51,Ed.4:Electrical installations of buildings-Part 5-51:Selection and erection of electrical equipment-Common rulesNote dintroductionIntroductory noteFORM CDV(IEC)2002-08-09Copyright 2004 International Electrotechnical Commission,IEC.All rights reserved.It ispermitted to download this electronic file,to make a copy and to print out the content for the solepurpose of preparing National Committee positions.You may not copy or mirror the file orprinted version of the document,or any part of it,for any other purpose without permission inwriting from IEC.60364-5-51 Amend 1 Ed.4/CDV IEC 2 FOREWORDThis amendment has been prepared by technical committee No.64:Electrical installations andprotection against electric shock.The text of this amendment is based on the following documents:FDISReport on votingXX/XX/FDISXX/XX/RVDFull information on the voting for the approval of this amendment can be found in the report onvoting indicated in the above table.The committee has decided that the contents of the base publication and its amendments willremain unchanged until _.At this date,the publication will bereconfirmed;withdrawn;replaced by a revised edition,oramended._Modify different parts of table 51A as follows:Table 51A(continued)ABAtmospheric humidity(refers to note 2 of clause 321.2 and appendix B of chapter 32)Table 51A(continued)CodeExternal influencesCharacteristics required forselection and erection ofequipmentReferenceAirtemperatureCRelativehumidity%Absolutehumidityg/m3lowhighlowhighlowhighAB3-255101000,57Indoor and outdoor locations withlow ambient temperatures.Appropriate arrangements shall bemadecPart of temperature rangeof IEC 60721-3-3,class 3K6,with high airtemperature restrictedto+5 C.Includestemperature rangeof IEC 60721-3-4,class4K1,with high airtemperature rangerestricted to+5 CAB4-540595129Weather protected locationshaving neither temperature norhumidity control.Heating may beused to raise low ambienttemperatures.NormalbIdentical with temperaturerange of IEC 60721-3-3,class 3K5.The high airtemperature restrictedto+40 CAB5+540585125Weather protected locations withtemperature control.NormalbIdentical with temperaturerange of IEC 60721-3-3,class 3K360364-5-51 Amend 1 Ed.4/CDV IEC 3 AB6+56010100165Indoor and outdoor locations withextremely high ambienttemperatures,influence of coldambient temperatures isprevented.Occurrence of solarand heat radiation.Appropriate arrangements shall bemadecPart of temperature rangeof IEC 60721-3-3,class 3K7,with low airtemperature restrictedto+5 C and high airtemperature restrictedto+60 C.Includestemperature rangeof IEC 60721-3-4,class4K4,with low airtemperature restrictedto+5 CAB7-2555101000,529Indoor weather-protectedlocations having neithertemperature nor humidity control,the locations may have openingsdirectly to the open air and besubjected to solar radiation.Appropriate arrangements shall bemadecIdentical with temperaturerange of IEC 60721-3-3,class 3K6AB8-5040151000,0436Outdoor and non-weatherprotected locations,with low andhigh temperatures.Appropriate arrangements shall bemadecIdentical with temperaturerange of IEC 60721-3-4,class 4K3aMay necessitate certain supplementary precautions(e.g.special lubrication).b This means that ordinary equipment will operate safely under the described external influences.cThis means that special arrangements should be made,for example,between the designer of the installationand the equipment manufacturer,e.g.for specially designed