BSENIEC 62271-101:2021 Incorporating corrigendum November 2021 BSl Standards Publication High-voltage switchgear and controlgear Part 101: Synthetic testing bsi. BS EN IEC 62271-101:2021 BRITISH STANDARD National foreword This British Standard is the UK implementation of ENIEC62271-101:2021/AC:2021-11.Itisidenticalto IEC 62271-101:2021/C0R1:2021, incorporating corrigendum November 2021. It supersedes BS EN IEC 62271-101:2021, which is withdrawn The text of IEC amendment November 2021 has been provided in its entirety at the end of this document. BSI's policy of providing consolidated content remains unchanged; however, in the interest of content at the end of this document. The UK participation in its preparation was entrusted to Technical Committee PEL/17, High voltage switchgear, controlgear and assemblies. A list of organizations represented on this committee can be obtained on request to its committee manager. Contractual and legal considerations This publication has been prepared in good faith, however no representation, warranty, assurance or undertaking (express or implied) is or will be made, and no responsibility or liability is or will be reasonableness of this publication. All and any such responsibility and liability is expressly disclaimed to the full extent permitted by the law This publication is provided as is, and is to be used at the recipient's own risk. The recipient is advised to consider seeking professional guidance with respect to its use of this publication. This publication is not intended to constitute a contract. Users are responsible for its correct application. This publication has been prepared under a mandate given to the European Standards Organizations by the European Commission and the of the EU legislation detailed in the European Foreword. A European Annex, usually Annex ZA or zZ, describes how this publication relates to that EU legislation. For the Great Britain market (England, Scotland and Wales), if UK Government has designated this publication for conformity with UKCA marking (or similar) legislation, it may contain an additional National Annex. Where such a National Annex exists, it shows the correlation between this publication and the relevant UK legislation. If there is no National Annex of this kind, the relevant Annex ZA or ZZ in the body oftheEuropeantextwillindicatetherelationshiptoUKregulation applicable in Great Britain. References to EU legislation may need to be read in accordance with the UK designation and the applicable UK law. Further information on designated standards can be found at www.bsigroup.com/standardsandregulation. For the Northern Ireland market, UK law will continue to implement relevant EU law subject to periodic confirmation. Therefore Annex ZA/zZ in the European text, and references to EU legislation, are still valid for this market. BRITISH STANDARD BSEN IEC 62271-101:2021 UK Government is responsible for legislation. For information on legislation and policies relating to that legislation, consult the relevant pages of www.gov.uk. @ The British Standards Institution 2022 Published by BSI Standards Limited 2022 ISBN 978 0539198898 ICS 29.130.10 Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 October 2021. Amendments/corrigenda issued since publication Date Text affected 31 May 2022 Implementation of IEC corrigendum November 2021