1、 23A/645/CDV COMMITTEE DRAFT FOR VOTE(CDV)PROJET DE COMIT POUR VOTE(CDV)Project number IEC 61534-21 Ed.2 Numro de projet IEC/TC or SC:SC23A CEI/CE ou SC:Secretariat/Secrtariat United Kingdom Submitted for parallel voting in CENELEC Soumis au vote parallle au CENELEC Date of circulation Date de diffu
2、sion 2012-01-13 Closing date for voting(Voting mandatory for P-members)Date de clture du vote(Vote obligatoire pour les membres(P)2012-06-15 Also of interest to the following committees Intresse galement les comits suivants Supersedes document Remplace le document 23A_634_CD and 23A_638A_CC Function
3、s concerned Fonctions concernes Safety Scurit EMC CEM Environment Environnement Quality assurance Assurance qualit CE DOCUMENT EST TOUJOURS LTUDE ET SUSCEPTIBLE DE MODIFICATION.IL NE PEUT SERVIR DE RFRENCE.LES RCIPIENDAIRES DU PRSENT DOCUMENT SONT INVITS PRSENTER,AVEC LEURS OBSERVATIONS,LA NOTIFICAT
4、ION DES DROITS DE PROPRIT DONT ILS AURAIENT VENTUELLEMENT CONNAISSANCE ET FOURNIR UNE DOCUMENTATION EXPLICATIVE.THIS DOCUMENT IS STILL UNDER STUDY AND SUBJECT TO CHANGE.IT SHOULD NOT BE USED FOR REFERENCE PURPOSES.RECIPIENTS OF THIS DOCUMENT ARE INVITED TO SUBMIT,WITH THEIR COMMENTS,NOTIFICATION OF
5、ANY RELEVANT PATENT RIGHTS OF WHICH THEY ARE AWARE AND TO PROVIDE SUPPORTING DOCUMENTATION.Titre:CEI 61534-21 Ed.2:SYSTMES DE CONDUCTEURS PRFABRIQUS Partie 21:Exigences particulires pour les systmes de conducteurs prfabriqus destins au montage au mur et au plafond Title:IEC 61534-21 Ed.2:POWERTRACK
6、SYSTEMS Part 21:Particular requirements for powertrack systems intended for wall and ceiling mounting Note dintroduction Introductory note ATTENTION VOTE PARALLLE CEI CENELEC Lattention des Comits nationaux de la CEI,membres du CENELEC,est attire sur le fait que ce projet de comit pour vote(CDV)de N
7、orme internationale est soumis au vote parallle.Un bulletin de vote spar pour le vote CENELEC leur sera envoy par le Secrtariat Central du CENELEC.ATTENTION IEC CENELEC PARALLEL VOTING The attention of IEC National Committees,members of CENELEC,is drawn to the fact that this Committee Draft for Vote
8、(CDV)for an International Standard is submitted for parallel voting.A separate form for CENELEC voting will be sent to them by the CENELEC Central Secretariat.Copyright 2012 International Electrotechnical Commission,IEC.All rights reserved.It is permitted to download this electronic file,to make a c
9、opy and to print out the content for the sole purpose of preparing National Committee positions.You may not copy or mirror the file or printed version of the document,or any part of it,for any other purpose without permission in writing from IEC.61534-21 IEC:2012 CONTENTS 1 FOREWORD.4 2 1 Scope.7 3
10、2 Normative references.7 4 3 Terms and definitions.7 5 4 General requirements.8 6 5 General notes on tests.8 7 6 Ratings.8 8 7 Classification.8 9 8 Marking and documentation.9 10 9 Construction.9 11 10 Clearances,creepage distances and solid insulation.9 12 11 Protection against electric shock.9 13
11、12 Terminals and terminations.9 14 13 Screws,current carrying parts and connections.9 15 14 Mechanical strength.9 16 15 Insulation resistance test and dielectric strength test.11 17 16 Normal operation.11 18 17 Temperature rise.11 19 18 Short-circuit protection and short-circuit withstand strength.1
12、1 20 19 Resistance to heat.11 21 20 Fire hazard.11 22 21 External influences.11 23 22 Electromagnetic compatibility.12 24 25 26 27 223A/645/CDV61534-21 IEC:2012 INTERNATIONAL ELECTROTECHNICAL COMMISSION 28 _ 29 30 POWERTRACK SYSTEMS 31 32 Part 21:Particular requirements for powertrack systems 33 int
13、ended for wall and ceiling mounting 34 35 36 FOREWORD 37 1)The International Electrotechnical Commission(IEC)is a worldwide organization for standardization comprising 38 all national electrotechnical committees(IEC National Committees).The object of IEC is to promote 39 international co-operation o
14、n all questions concerning standardization in the electrical and electronic fields.To 40 this end and in addition to other activities,IEC publishes International Standards,Technical Specifications,41 Technical Reports,Publicly Available Specifications(PAS)and Guides(hereafter referred to as“IEC 42 P
15、ublication(s)”).Their preparation is entrusted to technical committees;any IEC National Committee interested 43 in the subject dealt with may participate in this preparatory work.International,governmental and non-44 governmental organizations liaising with the IEC also participate in this preparati
16、on.IEC collaborates closely 45 with the International Organization for Standardization(ISO)in accordance with conditions determined by 46 agreement between the two organizations.47 2)The formal decisions or agreements of IEC on technical matters express,as nearly as possible,an international 48 consensus of opinion on the relevant subjects since each technical committee has representation from all 49 interested IEC National Committees.50 3)IEC Publications have the form of recommendations for in
