BS EN BRITISH STANDARD 60044-3:2003 Instrument transformers Part 3: Combined transformers The European Standard EN 60044-3:2003 has the status of a British Standard ICS 17.220.20; 29.180 BSi British Standards BS EN 60044-3:2003 National foreword This British Standard is the official English language version of EN 60044-3:2003. It is identical with IEC 60044-3:2002. It supersedes BS 7628:1993 which will be withdrawn on 2005-12-01. The UK participation in its preparation was entrusted to Technical Committee PEL/38, Instrument transformers, which has the responsibility to: aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index", or by using the “Search" facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not ofitself confer immunity from legal obligations. This British Standard was Summary of pages published under the authority This document comprises a front cover, an inside front cover, the EN title page, of the Standards Policy and pages 2 to 20, an inside back cover and a back cover. Strategy Committee on 5 March 2003 The BSI copyright date displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date Comments C BSI 5 March 2003 ISBN 0 580 41354 3 EN 60044-3 EUROPEAN STANDARD NORME EUROPEENNE EUROPAISCHE NORM January 2003 ICS 17.220.20;29.180 Supersedes HD 548.3 S1:1992 English version Instrument transformers Part 3: Combined transformers (IEC 60044-3:2002) Transformateurs de mesure Messwandler Partie 3: Transformateurs combinés Teil 3: Kombinierte Wandler (CEI 60044-3:2002) (IEC 60044-3:2002) This European Standard was approved by CENELEC on 2002-12-01. 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 Central Secretariat or to any CENELEC member. This European Standard exists in three official versions (English, French, German). A version in any other notified to the Central Secretariat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Czech Republic. Denmark, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland and United Kingdom. CENELEC European Committee for Electrotechnical Standardization Comite Européen de Normalisation Electrotechnique Europaisches Komitee fur Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels @ 2003 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No.EN 60044-3:2003 E Page 2 EN 60044-3:2003 Foreword The text of document 38/287/FDIS, future edition 2 of IEC 60044-3, prepared by IEC TC 38, Instrument transformers, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 60044-3 on 2002-12-01. This European Standard supersedes HD 548.3 S1:1992 The following dates were fixed: latest date by which the EN has to be implemented at national lev