EN IEC 62305-1 EUROPEANSTANDARD NORME EUROPEENNE EUROPAISCHE NORM October2024 ICS29.020;91.120.40 Supersedes EN 62305-1:2011; EN62305-1:2011/AC:2016-11 English Version Protection against lightning - Part 1: General principles (IEC 62305-1:2024) Protection contre la foudre - Partie 1: Principes generaux Blitzschutz - Teil 1: Allgemeine Grundsatze (IEC 62305-1:2024) (IEC 62305-1:2024) This European Standard was approved by CENELEC on 2024-10-17. CENELEC members are bound to comply with the CEN/CENELEC 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 ManagementCentreortoanyCENELECmember. 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. Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands,Norway,Poland,Portugal,Republic of North Macedonia, Romania,Serbia,Slovakia,Slovenia, Spain, Sweden,Switzerland Turkiye and the United Kingdom. CENELEC European Committee for Electrotechnical Standardization Comite Européen de Normalisation Electrotechnique Europaisches Komitee fur Elektrotechnische Normung CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels @ 2024 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members. Ref.No.EN IEC 62305-1:2024 E EN IEC 62305-1:2024 (E) European foreword The text of document 81/737/FDIS, future edition 3 of IEC 62305-1, prepared by TC 81 "Lightning protection" was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN IEC 62305-1:2024. The following dates are fixed: latest date by which the document has to be implemented at national (dop) 2025-10-31 level by publication of an identical national standard or by endorsement latest date by which the national standards conflicting with 2027-10-31 the (dow) document have to be withdrawn Attention is drawn to the possibility that some of the elements of this document may be the subject of completelistingofthesebodiescanbefoundontheCENELECwebsite. Endorsement notice The text of the International Standard IEC 62305-1:2024 was approved by CENELEC as a European Standard without any modification. In the official version, for Bibliography, the following notes have to be added for the standard indicated: IEC 62561 series NOTE Approved as EN IEC 62561series IEC 62305-2:2024NOTE Approved as EN IEC 62305-2:2024 (not modified) IEC 62793 NOTE Approved as EN IEC 62793 IEC61400-24 NOTE Approved as EN IEC 61400-24 IEC 61000-4-5 NOTE Approved as EN 61000-4-5 IEC 61643-31 NOTE Approved as EN 61643-31 IEC 62475 NOTE Approved as EN 62475 IEC 60071-2:2023 3NOTE Approved as EN IEC 60071-2:2023 (not modified) IEC61643-21 NOTE Approved as EN 61643-21 2 EN IEC 62305-1:2024 (E) Annex ZA (normative) Normative references to international publications with their corresponding European publications The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. the relevant EN/HD applies here: www.cencenelec.eu. Publication Year Title EN/HD Year IEC62305-3 Protection against lightning - Part 3: EN IEC 62305-3 2024 2024 Physical damage to structures and life hazard IEC62305-4 2024 Protection against lightning - Part 4: EN IEC 62305-4 2024 Electrical and electronic systems within structures 3