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IEC_62052
31
2015
IEC 62052-31 Edition 1.0 2015-09 INTERNA TIONAL STA NDA RD Electricity metering equipment(AC)General requirements,tests and test conditions Part 31:Product safety requirements and t ests IEC 62052-31:2015-09(en)colourinsideCopyright International Electrotechnical Commission THIS PUBLICA TION IS COPYRIGHT PROTECTED Copyright 2015 IEC,Geneva,Switzerland All rights reserved.Unless otherwise specified,no par t of this publication may be reproduced or utilized in any for m or by any means,electronic or mechanical,including photocopying and microfilm,without per mission in writing fr om either IEC or IECs member National Committee in the country of the requester.If you have any questions about IEC copyright or have an enquiry about obtaining additional r ights to this publication,please contact the address below or your local IEC member National Committee for further infor mation.IEC Centr al Office Tel.:+41 22 919 02 11 3,rue de Varemb Fax:+41 22 919 03 00 CH-1211 Geneva 20 infoiec.ch Switzerland www.iec.ch About t he IEC The International Electr otechnical Commission(IEC)is the leading global organization that prepar es and publishes Inter national Standards for all electr ical,electronic and related technologies.A bout IEC publications The technical content of IEC publications is kept under constant review by the IEC.Please make sur e that you have the latest edition,a cor rigenda or an amendment might have been published.IEC Cat alogue-webstore.iec.ch/cat alogue The stand-alone application for consulting the entire bibliographical information on IEC International Standards,Technical Specifications,Technical R eports and other documents.A v ailable for PC,Mac OS,A ndroid Tablets and iPad.IEC publications search-w w w.iec.ch/searchpub The adv anced search enables to find IEC publications by a variety of criteria(reference number,text,technical committee,).It also gives information on projec ts,replaced and withdrawn publications.IEC Just Published-webstore.iec.ch/justpublished Stay up to date on all new IEC publications.Just Published details all new publications released.A v ailable online and also once a month by email.Elect ropedia-w w w.elect ropedia.org The worlds leading online dic tionary of elec tronic and electrical terms containing more than 30 000 terms and definitions in English and French,with equiv alent terms in 15 additional languages.Also known as the International Elec trotechnical Vocabulary (IEV)online.IEC Glossar y-st d.iec.ch/glossary More than 60 000 electrotechnical terminology entries in English and French extracted from the Terms and Definitions clause of IEC publications issued since 2002.Some entries hav e been collected from earlier publications of IEC TC 37,77,86 and CISPR.IEC Customer Service Cent re-webstore.iec.ch/csc If y ou wish to giv e us y our feedback on this publication or need further assistance,please contact the Customer Serv ice Centre:csciec.ch.Copyright International Electrotechnical Commission IEC 62052-31 Edit ion 1.0 2015-09 INTER NA TIONAL STA NDA R D Electricity metering equipment(AC)General requirements,tests and test conditions Part 31:Product safety requirements and tests INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS 19.080:91.140.50 ISBN 978-2-8322-2848-7 R egist er ed tr ademar k of t he Int er national Electr ot echnical Commission Warning!Make sure that you obtained this publication from an authorized distributor.colourinsideCopyright International Electrotechnical Commission 2 IEC 62052-31:2015 IEC 2015 CONTENTS FOREWORD.8 INTRODUCTION.10 1 Scope and object.12 1.1 Scope.12 1.2 Object.13 1.2.1 Aspects included in scope.13 1.2.2 Aspects excluded from scope.13 1.3 Verification.14 1.4 Environmental conditions.14 1.4.1 Normal environmental conditions.14 1.4.2 Extended environmental conditions.14 1.4.3 Extreme environmental conditions.15 2 Normative references.15 3 Terms and definitions.16 3.1 Equipment and states of equipment.16 3.2 Parts and accessories.17 3.3 Quantities.19 3.4 Tests.21 3.5 Safety terms.21 3.6 Insulation.25 3.7 Terms related to switches of metering equipment.29 4 Tests.31 4.1 General.31 4.2 Type test sequence of tests.31 4.3 Reference test conditions.32 4.3.1 Atmospheric conditions.32 4.3.2 State of the equipment.32 4.4 Testing in single fault condition.36 4.4.1 General.36 4.4.2 Application of fault conditions.36 4.4.3 Duration of tests.38 4.4.4 Conformity after application of fault conditions.38 5 Information and marking requirements.39 5.1 General.39 5.2 Labels,signs and signals.41 5.2.1 General.41 5.2.2 Durability of markings.43 5.3 Information for selection.43 5.3.1 General.43 5.3.2 General information.43 5.3.3 Information related to meters/metering elements.44 5.3.4 Information related to stand-alone tariff-and load control equipment.44 5.3.5 Information related to supply control and load control switches.44 5.4 Information for installation and commissioning.44 5.4.1 General.44 5.4.2 Handling and mounting.45 Copyright International El