EN IEC 62631-2-3 EUROPEANSTANDARD NORMEEUROPEENNE EUROPAISCHENORM May 2024 ICS 17.220.99; 29.035.01 English Version Dielectric and resistive properties of solid insulating materials - Part 2-3: Relative permittivity and dissipation factor - Contact electrode method for insulating films - AC methods (IEC 62631-2-3:2024) Proprietés dielectriques et résistives des materiaux isolants Dielektrische und resistive Eigenschaftenfester Isolierstoffe solides -Partie 2-3 : Permittivite relative et facteur de Teil 2-3: Bestimmung der relativen Permittivitat und des dissipation - Methode d'electrode de contact pour films dielektrischenVerlustfaktors (Wechselspannungsverfahren) isolants -Methodes en courantalternatif -Kontaktelektrodenverfahren fur Isolierschichten (IEC 62631-2-3:2024) (IEC 62631-2-3:2024) This European Standard was approved by CENELEC on 2024-05-10. 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 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 responsibilityof aCENELEC member into its own language andnotifiedtothe CEN-CENELEC ManagementCentre has the same status as the official versions. CENELEC members are thenational electrotechnicalcommittees ofAustria,Belgium, Bulgaria, Croatia, Cyprus,the Czech Republic, 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 Europeen de Normalisation Electrotechnique Europaisches Komitee fir 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 62631-2-3:2024 E EN IEC 62631-2-3:2024 (E) European foreword The text of document 112/631/FDIS, future edition 1 of IEC 62631-2-3, prepared by IEC/TC 112 "Evaluation and qualification of electrical insulating materials and systems" was submitted to the IEC- CENELEC parallel vote and approved by CENELEC as EN IEC 62631-2-3:2024 The following dates are fixed: latest date by which the document has to be implemented at national (dop) 2025-02-10 latest date by which the national standards conflictingwith the (dow) 2027-05-10 document have to be withdrawn Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights complete listing of these bodies can be found on the CENELEC website. Endorsement notice The text of the International Standard IEC 62631-2-3:2024 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 62631-2-1:2018 NOTE Approved as EN IEC 62631-2-1:2018 (not modified) ISO25178-2 NOTE Approved as EN ISO 25178-2 2 EN IEC 62631-2-3:2024 (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. NOTE 1 Where an International Pub