1、NORMECEIINTERNATIONALEIECINTERNATIONAL60745-2-4STANDARDPremiere editionFirst edition1983-01Securite des outils electroportatifsa moteurDeuxieme partie:Regles particulieres pour les ponceusesSafety of hand-held motor-operatedelectric toolsPart 2:Particular requirements for sandersIEC 1983 Droits de r
2、eproduction reserves-Copyright-all rights reservedAucune partie de cette publication ne peut tre reproduite niNo part of this publication may be reproduced or utilized inutilisee sous quelque forme que ce soit et par aucunany form or by any means,electronic or mechanical.procede,electronique ou meca
3、nique,y compris la photo-including photocopying and microfilm.without permission incopie et les microfilms,sans Iaccord 6rit de lditeur.wriling from the publisher.International Electrotechnical Commission3,rue de Varembe Geneva,SwitzerlandTelefax:+41229190300e-mail:inmailiec.chIEC web site http:/www
4、.iec.chCommission Electrotechnique InternationaleCODE PRIXInternational Electrotechnical CommissionPRICE CODEMeAyHapoAHan OneKTpoTexHMveCHaR HoMHCCHA三745-2-4IEC19833-CONTENTSPageFOREWORDPREFACE5Clause1.Scope92.Definitions93.General requirement,94.General notes on tests9Rating96.Classification,117.Ma
5、rking11Protection against electric shock119Starting1110.Input and current1111.Heating1112.Leakage current1113.Radio and television interference suppression1114.Moisture resistance1315.Insulation resistance and electric strength.16.1317.Abnormal operation1318.Mechanical hazards1319.Mechanical strengt
6、h1320.Construction,321.Internal wiring322.Components.1523.Supply connection and external flexible cables and cords24.Terminals for external conductors.,.,.25.Provision for earthing,公26.Screws and connections,.,1527Creepage distances,clearances and distances through insulation1528.Resistance to heat,fire and tracking1529.Resistance to rusting15APPENDIX A-Thermal cut-outs and overload releases17APPENDIX B-Electronic circuits.,.,17APPENDIX C-Construction of safety isolating transformersAPPENDIX D-Measurement of creepage distances and clearances.17
