1、 INTERNATIONAL STANDARD IEC62317-4 First edition2005-09 Ferrite cores Dimensions Part 4:RM-cores and associated parts Reference number IEC 62317-4:2005(E)LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.Publication numbering As from 1 J
2、anuary 1997 all IEC publications are issued with a designation in the 60000 series.For example,IEC 34-1 is now referred to as IEC 60034-1.Consolidated editions The IEC is now publishing consolidated versions of its publications.For example,edition numbers 1.0,1.1 and 1.2 refer,respectively,to the ba
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7、 the Customer Service Centre(see below)for further information.Customer Service Centre If you have any questions regarding this publication or need further assistance,please contact the Customer Service Centre:Email:custserviec.ch Tel:+41 22 919 02 11 Fax:+41 22 919 03 00 LICENSED TO MECON Limited.-
8、RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.INTERNATIONAL STANDARD IEC62317-4 First edition2005-09 Ferrite cores Dimensions Part 4:RM-cores and associated parts IEC 2005 Copyright-all rights reserved No part of this publication may be reproduced or utilized
9、in any form or by any means,electronic or mechanical,including photocopying and microfilm,without permission in writing from the publisher.International Electrotechnical Commission,3,rue de Varemb,PO Box 131,CH-1211 Geneva 20,SwitzerlandTelephone:+41 22 919 02 11 Telefax:+41 22 919 03 00 E-mail:inma
10、iliec.ch Web:www.iec.ch S For price,see current cataloguePRICE CODE Commission Electrotechnique InternationaleInternational Electrotechnical Commission LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.2 62317-4 IEC:2005(E)CONTENTS FOREW
11、ORD.3 1 Scope.5 2 Normative references.5 3 Primary standards.5 3.1 Pin locations and base outlines.5 3.2 Dimensions of RM-cores.5 3.3 Shape of coil former and pin numbering.6 3.4 Effective parameter values.6 3.5 Spring recess.6 3.6 Stud recess.6 4 Derived standards.10 5 Main dimensions for coil form
12、ers.13 5.1 RM-cores for primary standard.13 5.2 RM-cores intended particularly for power applications.15 Annex A(informative)RM-core design.18 Annex B(normative)Guidance for measuring clamping forces relevant to RM-core tests.20 Bibliography.22 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL
13、 USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.62317-4 IEC:2005(E)3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ FERRITE CORES DIMENSIONS Part 4:RM-cores and associated parts FOREWORD 1)The International Electrotechnical Commission(IEC)is a worldwide organization for standardization compri
14、sing all national electrotechnical committees(IEC National Committees).The object of the IEC is to promote international co-operation on all questions concerning standardization in the electrical and electronic fields.To this end and in addition to other activities,IEC publishes International Standa
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16、k.International,governmental and non-governmental organizations liaising with the IEC also participate in this preparation.IEC collaborates closely with the International Organization for Standardization(ISO)in accordance with conditions determined by agreement between the two organizations.2)The formal decisions or agreements of IEC on technical matters express,as nearly as possible,an international consensus of opinion on the relevant subjects since each technical committee has representation
