EN 3841-507-2004 en Aerospace series - Circuit breakers - Test methods - Part 507 Mechanical shocks《航空航天系列 断路器的试验方法 第507部分 机械冲击》.pdf

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1、BRITISH STANDARD AEROSPACE SERIES BS EN 3841-507:2004 Circuit breakers Test methods Part 507: Mechanical shocks The European Standard EN 3841-507:2004 has the status of a British Standard ICS 49.060 BS EN 3841-507:2004 This British Standard was published under the authority of the Standards Policy a

2、nd Strategy Committee on 22 February 2005 BSI 22 February 2005 ISBN 0 580 45543 2 National foreword This British Standard is the official English language version of EN 3841-507:2004. The UK participation in its preparation was entrusted by Technical Committee ACE/6, Aerospace avionic electrical and

3、 fibre optic technology, to Subcommittee ACE/6/5, Circuit breakers, which has the responsibility to: A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications ref

4、erred 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 prov

5、isions 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 on the interpretation

6、, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 4, an inside back cover and a back cover.

7、 The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN3841507 December2004 ICS49.060 Englishversion AerospaceseriesCircuitbreakersTestmethodsPart507:

8、 Mechanicalshocks SriearospatialeDisjoncteursMthodesdessais Partie507:Chocsmcaniques LuftundRaumfahrtSchutzschalterPrfverfahrenTeil 507:MechanischeSte ThisEuropeanStandardwasapprovedbyCENon10September2004. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforg

9、ivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheCentralSecretariatortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversionin

10、anyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCentralSecretariathasthesamestatusast heofficial versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,Cyprus,CzechRepublic,Denmark,Estonia,Finland,France, Germany,Greece,Hungary,Icela

11、nd,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,Netherlands,Norway,Poland,Portugal, Slovakia, Slovenia,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2004CEN Allri

12、ghtsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN3841507:2004:E EN 3841-507:2004 (E) 2 Contents Page Foreword3 1 Scope 4 2 Normative references 4 3 Method 4 3.1 Mounting.4 3.2 Procedure .4 4 Requirement.4 EN 3841-507:2004 (E) 3 Foreword This document (EN 3841

13、-507:2004) has been prepared by the European Association of Aerospace Manufacturers - Standardization (AECMA-STAN). After enquiries and votes carried out in accordance with the rules of this Association, this Standard has received the approval of the National Associations and the Official Services o

14、f the member countries of AECMA, prior to its presentation to CEN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by June 2005, and conflicting national standards shall be withdrawn at the latest by

15、 June 2005. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy

16、, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EN 3841-507:2004 (E) 4 1 Scope This standard specifies a method of verifying the ability of circuit breakers to withstand mechanical shocks. It shall be u

17、sed together with EN 3841-100. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) appl

18、ies. ISO 7137, Aircraft Environmental conditions and test procedures for airborne equipment EN 3841-100, Aerospace series Circuit breakers Test methods Part 100: General 3 Method 3.1 Mounting The circuit breakers shall be mounted on the shock table according to 4.2 and 4.3 of EN 3841-100. The means

19、of mounting shall be designed so as to transmit the pulses without absorption or natural resonance. The electrical connection shall be made with the cables of the sections specified in EN 3841-100, Table 1. The connection cables shall be attached to the shock table approximately 100 mm from the term

20、inals. The circuit breakers and the cables shall be mounted with the torque indicated in the product standard. 3.2 Procedure The circuit breakers shall be subjected to the mechanical shocks test according to ISO 7137, test procedure 2.1. Three shocks shall be applied in each direction and for every

21、switch setting: in the closed position at 90 % of current rating; in the open position. The acceleration peak value (half sine-wave from of 11 ms duration) is specified in the technical specification. During the test, it shall be established that the contacts do not close for a period 10 s (circuit

22、breakers in the open position) or open for a period 10 s (circuit breakers in the closed position). 4 Requirement Requirements in accordance with technical specification and product standard. blankBS EN 3841-507:2004 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is t

23、he independent national body responsible for preparing British Standards. It presents the UK view on standards in Europe and at the international level. It is incorporated by Royal Charter. Revisions British Standards are updated by amendment or revision. Users of British Standards should make sure

24、that they possess the latest amendments or editions. It is the constant aim of BSI to improve the quality of our products and services. We would be grateful if anyone finding an inaccuracy or ambiguity while using this British Standard would inform the Secretary of the technical committee responsibl

25、e, the identity of which can be found on the inside front cover. Tel: +44 (0)20 8996 9000. Fax: +44 (0)20 8996 7400. BSI offers members an individual updating service called PLUS which ensures that subscribers automatically receive the latest editions of standards. Buying standards Orders for all BS

26、I, international and foreign standards publications should be addressed to Customer Services. Tel: +44 (0)20 8996 9001. Fax: +44 (0)20 8996 7001. Email: ordersbsi-. Standards are also available from the BSI website at http:/www.bsi-. In response to orders for international standards, it is BSI polic

27、y to supply the BSI implementation of those that have been published as British Standards, unless otherwise requested. Information on standards BSI provides a wide range of information on national, European and international standards through its Library and its Technical Help to Exporters Service.

28、Various BSI electronic information services are also available which give details on all its products and services. Contact the Information Centre. Tel: +44 (0)20 8996 7111. Fax: +44 (0)20 8996 7048. Email: infobsi-. Subscribing members of BSI are kept up to date with standards developments and rece

29、ive substantial discounts on the purchase price of standards. For details of these and other benefits contact Membership Administration. Tel: +44 (0)20 8996 7002. Fax: +44 (0)20 8996 7001. Email: membershipbsi-. Information regarding online access to British Standards via British Standards Online ca

30、n be found at http:/www.bsi- Further information about BSI is available on the BSI website at http:/www.bsi-. Copyright Copyright subsists in all BSI publications. BSI also holds the copyright, in the UK, of the publications of the international standardization bodies. Except as permitted under the

31、Copyright, Designs and Patents Act 1988 no extract may be reproduced, stored in a retrieval system or transmitted in any form or by any means electronic, photocopying, recording or otherwise without prior written permission from BSI. This does not preclude the free use, in the course of implementing

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