IEC_61810-7-2006.pdf

INTERNATIONAL STANDARD IEC61810-7 Second edition2006-03 Electromechanical elementary relays Part 7:Test and measurement procedures Reference number IEC 61810-7:2006(E)LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.Publication numbering As from 1 January 1997 all IEC publications are issued with a designation in the 60000 series.For example,IEC 34-1 is now referred to as IEC 60034-1.Consolidated editions The IEC is now publishing consolidated versions of its publications.For example,edition numbers 1.0,1.1 and 1.2 refer,respectively,to the base publication,the base publication incorporating amendment 1 and the base publication incorporating amendments 1 and 2.Further information on IEC publications The technical content of IEC publications is kept under constant review by the IEC,thus ensuring that the content reflects current technology.Information relating to this publication,including its validity,is available in the IEC Catalogue of publications(see below)in addition to new editions,amendments and corrigenda.Information on the subjects under consideration and work in progress undertaken by the technical committee which has prepared this publication,as well as the list of publications issued,is also available from the following:IEC Web Site(www.iec.ch)Catalogue of IEC publications The on-line catalogue on the IEC web site(www.iec.ch/searchpub)enables you to search by a variety of criteria including text searches,technical committees and date of publication.On-line information is also available on recently issued publications,withdrawn and replaced publications,as well as corrigenda.IEC Just Published This summary of recently issued publications(www.iec.ch/online_news/justpub)is also available by email.Please contact the Customer Service Centre(see below)for further information.Customer Service Centre If you have any questions regarding this publication or need further assistance,please contact the Customer Service Centre:Email:custserviec.ch Tel:+41 22 919 02 11 Fax:+41 22 919 03 00 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.INTERNATIONAL STANDARD IEC61810-7 Second edition2006-03 Electromechanical elementary relays Part 7:Test and measurement procedures IEC 2006 Copyright-all rights reserved No part of this publication may be reproduced or utilized in any form or by any means,electronic or mechanical,including photocopying and microfilm,without permission in writing from the publisher.International Electrotechnical Commission,3,rue de Varemb,PO Box 131,CH-1211 Geneva 20,SwitzerlandTelephone:+41 22 919 02 11 Telefax:+41 22 919 03 00 E-mail:inmailiec.ch Web:www.iec.ch XC For price,see current cataloguePRICE CODE Commission Electrotechnique InternationaleInternational Electrotechnical Commission LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.2 61810-7 IEC:2006(E)CONTENTS FOREWORD.5 1 Scope.7 2 Normative references.7 3 Terms and definitions.9 4 Test and measurement procedures.18 4.1 General.18 4.2 Deviations.18 4.3 Precision of measurement.18 4.4 Power supplies.18 4.5 Reference conditions for testing.19 4.6 Visual inspection and check of dimensions.20 4.7 Mechanical tests and weighing.20 4.8 Relay coil properties.21 4.9 Dielectric strength test.25 4.10 Impulse voltage test.26 4.11 Insulation resistance.27 4.12 Contact-circuit resistance(or voltage drop).28 4.13 Functional tests.29 4.14 Timing tests.35 4.15 Climatic tests/sequence.38 4.16 Damp heat,steady state.40 4.17 Thermal resistance of the coil.41 4.18 Heating.42 4.19 Rapid change of temperature.44 4.20 Enclosure.44 4.21 Internal moisture.46 4.22 Corrosive atmospheres.46 4.23 Mould growth.47 4.24 Robustness of terminals.48 4.25 Soldering.48 4.26 Shock.49 4.27 Bump.50 4.28 Vibration.51 4.29 Acceleration.52 4.30 Electrical endurance.53 4.31 Mechanical endurance.56 4.32 Thermal endurance.56 4.33 Limiting continuous current.57 4.34 Overload(contact circuit).57 4.35 Load transfer.58 4.36 Electromagnetic compatibility.59 4.37 Magnetic interference.60 4.38 Crosstalk and insertion loss.61 4.39 Electrical contact noise.61 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.61810-7 IEC:2006(E)3 4.40 Thermoelectric e.m.f.62 4.41 Capacitance.62 4.42 Contact sticking(delayed release).63 4.43 Magnetic remanence.63 4.44 Acoustic noise.65 4.45 Continuity of protective earth connection.66 4.46 Fluid contamination.66 4.47 Resistance to cleaning solvents.67 4.48 Fire hazard.68 4.49 Temperature rise at rated load.68 4.50 Mechanical interlock.69 4.51 Insertion and withdrawal force(mating relay and socket).69 Annex A(normative)Heating test arrangement.71 Annex B(normative)Fire hazard testing.72 Annex C(normative)Test circuit for endurance tests.77 Annex D(informative)Inductive contact loads.84 Bibliography.86 Figure 1