BS-EN-60424-3-1999 IEC-60424-3-1999.pdf
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1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS EN 60424-3:1999 IEC 60
2、424-3: 1999 Incorporating Corrigendum No. 1 The European Standard EN 60424-3:1999 has the status of a British Standard ICS 29.030; 29.100.10 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Ferrite cores Guide on the limits of surface irregularities Part 3: ETD-cores and E-core
3、s This British Standard, having been prepared under the direction of the Electrotechnical Sector Committee, was published under the authority of the Standards Committee and comes into effect on 15 November 1999 BSI 03-2000 ISBN 0 580 35198 X BS EN 60424-3:1999 Amendments issued since publication Amd
4、. No.DateComments 10862March 2000Updates national foreword, paragraph 1. National foreword This British Standard is the English language version of EN 60424-3:1999. It is identical with IEC 60424-3:1999. The UK participation in its preparation was entrusted to Technical Committee EPL/51, Transformer
5、s, inductors, magnetic components and ferrite materials, 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 relate
6、d 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. From 1 January 1997, all IEC publications have the number 60000 added to the old number. For instance, IEC 27-1 has been renumbe
7、red as IEC 60027-1. For a period of time during the change over from one numbering system to the other, publications may contain identifiers from both systems. Cross-references Attention is drawn to the fact that CEN and CENELEC Standards normally include an annex which lists normative references to
8、 international publications with their corresponding European publications. The British Standards which implement these international or European publications may be found in the BSI Standards Catalogue under the section entitled International Standards Correspondence Index, or by using the Find fac
9、ility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal oblig
10、ations. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 11 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. BS EN 60424-3:1999 IEC 60424-3:1999 BSI 389 Chiswick High Road Lo
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