BS EN IEC 61051-1:2018 BSl Standards Publication Varistors for use in electronic equipment Part 1: Generic specification bsi. BSENIEC61051-1:2018 BRITISH STANDARD National foreword This British Standard is theUK implementation of ENIEC 61051-1:2018. It is identicalto IEC61051-1:2018.It supersedes BS EN61051-1:2008, which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee EPL/4ox, Capacitorsand resistors for electronic equipment. A list of organizations represented on this committee can be obtained on requestto its secretary. This publication does not purport to include all the necessary provisions ofa contract.Users areresponsiblefor its correctapplication. @TheBritish Standards Institution2018 Published by BSI Standards Limited 2018 ISBN9780580955792 ICS 31.040.99 Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard was published under the authority of the Standards Policyand Strategy Committeeon31December 2018. Amendments/corrigendaissuedsincepublication Date Textaffected BSENIEC61051-1:2018 EN IEC 61051-1 EUROPEANSTANDARD NORME EUROPEENNE EUROPAISCHE NORM December 2018 ICS 31.040.99 Supersedes EN 61051-1:2008 English Version Varistors for use in electronic equipment -Part 1: Generic specification (IEC61051-1:2018) Varistances utilisees dans les equipements electroniques - Varistoren zur Verwendung in Geraten der Elektronik - Teil Partie 1: Specification generique 1: Fachgrundspezifikation (IEC 61051-1:2018) (IEC 61051-1:2018) Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CENELEC member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, celand, Ireland, Italy, Latvia Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden Switzerland, Turkey and the United Kingdom. CENELEC EuropeanCommitteefor Electrotechnical Standardization Comite Europeen de Normalisation Electrotechnique Europaisches Komitee fur Elektrotechnische Normung CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels Ref. No. EN IEC 61051-1:2018 E