1、BRITISH STANDARDBS EN62317-4:2005Ferrite cores Dimensions Part 4: RM-cores and associated partsThe European Standard EN 62317-4:2005 has the status of a British StandardICS 29.100.10g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g
2、36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58Licensed Copy: Wang Bin, na, Wed Jul 19 08:24:37 BST 2006, Uncontrolled Copy, (c) BSIBS EN 62317-4:2005This British Standard was published under the authority of the Standards Policy and Strategy Committee on 28 April
3、2006 BSI 2006ISBN 0 580 48133 6National forewordThis British Standard is the official English language version of EN 62317-4:2005. It is identical with IEC 62317-4:2005. It supersedes BS EN 60431:1997 which will be withdrawn on 1 October 2008.The UK participation in its preparation was entrusted to
4、Technical Committee EPL/51, Transformers, inductors, magnetic components and ferrite materials, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary.Cross-referencesThe British Standards which implement international or Eu
5、ropean publications referred to in this document may be found in the BSI Catalogueunder 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 a
6、ll the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries
7、on the interpretation, or proposals for change, and keep UK interests informed; monitor related international and European developments and promulgate them in the UK.Summary of pagesThis document comprises a front cover, an inside front cover, the EN title page, pages 2 to 22, an inside back cover a
8、nd a back cover.The BSI copyright notice displayed in this document indicates when the document was last issued.Amendments issued since publicationAmd. No. Date CommentsLicensed Copy: Wang Bin, na, Wed Jul 19 08:24:37 BST 2006, Uncontrolled Copy, (c) BSIEUROPEAN STANDARD EN 62317-4NORME EUROPENNE EU
9、ROPISCHE NORM December 2005 CENELECEuropean Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels 2005 CENELEC - All rights of exploitation in any form
10、 and by any means reserved worldwide for CENELEC members. Ref. No. EN 62317-4:2005 E ICS 29.100.10 Supersedes EN 60431:1997 + A2:1998English version Ferrite cores - Dimensions Part 4: RM-cores and associated parts (IEC 62317-4:2005)Noyaux ferrites - Dimensions Partie 4: Noyaux RM et parties associes
11、(CEI 62317-4:2005) Ferritkerne - Mae Teil 4: RM-Ferritkerne und deren Zubehrteile (IEC 62317-4:2005) This European Standard was approved by CENELEC on 2005-10-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Sta
12、ndard 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 two official versions (English, Germ
13、an). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the Central Secretariat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Cyprus,
14、Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. Licensed Copy: Wang Bin, na, Wed Jul 19 08:24:37 BST 2
15、006, Uncontrolled Copy, (c) BSIForeword The text of document 51/833/FDIS, edition 1 of IEC 62317-4, prepared by IEC TC 51, Magnetic components and ferrite materials, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 62317-4 on 2005-10-01. This European Standard superse
16、des EN 60431:1997 + A2:1998. The main changes with respect to EN 60431 are listed below: low-profile RM-cores at present defined in EN 61860 are added to this standard. EN 61860 will eventually be replaced by EN 62317-9 which is under consideration. EN 62317-9 will not include the low-profile RM-cor
17、es. The following dates were fixed: latest date by which the EN has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2006-07-01 latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 2008-10-01 Annex
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