IEC INTERNATIONAL STANDARD 61810-7 Second edition 2006-03 Electromechanical elementary relays- Part 7: Test and measurement procedures IEC Reference number IEC 61810-7:2006(E) without license from IHS Not for Resale Publication numbering As from1 January 1997 all IEC publications are issued with a designation in the 60000 series.For example,IEC 34-1is nowreferred to asIEC 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. FurtherinformationonIECpublications The technical content of IEC publications is kept under constant review by the IEC, 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: IECWeb Site (www.iec.ch) CatalogueofIEcpublications 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 IECJustPublished 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: [email protected] Tel: +41229190211 Fax: +4122 919 03 00 Copyrightintemational Electrotechnical Commision No reproduction or networking permited without license from IHS Not for Resale IEC INTERNATIONAL STANDARD 61810-7 Second edition 2006-03 Electromechanicalelementaryrelays Part 7: Testandmeasurementprocedures ?IEC2006— Copyright - all rights reserved International Electrotechnical Commission, 3, rue de Varembe, PO Box 131, CH-1211 Geneva 20, Switzerland Telephone: +41 22 919 02 11 Telefax: +41 22 919 03 00 E-mail: [email protected] Web: www.jiec.ch XC IEC PRICE CODE Commission Electrotechnique Internationale International Electrotechnical Commission MexAyHapoAHagnekTpoTexHwyeCKanKoMuCcMg For price, see current cafalogue CopyrightIntemational Electrotechnical Commisson No reproductic or networking permited without license from IHS Not for Resale 61810-7@IEC:2006(E) -2- CONTENTS FOREWORD. Scope 2 Normative references, 3 Terms and definitions. 4 Testandmeasurementprocedures 4.1 General .18 4.2 Deviations.. 4.3 Precision of measurement. 4.4 Power supplies.. 4.5 Reference conditions for testing.. 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.. 4.10 Impulsevoltagetest. .26 4.11 Insulation resistance. 4.12 Contact-circuit resistance (or voltage drop). 4.13 Functional tests ..29 4.14 Timing tests.. .35 4.15 Climatictests/sequence .38 4.16 Damp heat, steadystate. 40 Thermal resistance of the coil. .41 4.17 4.18 Heating... 42 4.19 Rapid change of temperature. 44 4.20 Enclosure. 4.21 Internal moisture... 4.22 Corrosive atmospheres..... 4.23 Mould growth.. ..47 4.24 Robustness of terminals 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 4.32 Thermal endurance ..56 4.33 Limiting continuous current. ..57 4.34 Overload (contact circuit) .57 ..58 4.35 Load transfer. 4.36 Electromagnetic compatibility ..59 4.37 Magnetic interference ..60 4.38 Crosstalkandinsertionloss .61 4.39 Electrical contactnoise Not for Resale 61810-7IEC:2006(E) -3- 4.