1、BRITISH STANDARD AEROSPACE SERIES BS EN 3841-504:2004 Circuit breakers Test methods Part 504: Strength of mounting elements The European Standard EN 3841-504:2004 has the status of a British Standard ICS 49.060 BS EN 3841-504:2004 This British Standard was published under the authority of the Standa
2、rds Policy and Strategy Committee on 22 February 2005 BSI 22 February 2005 ISBN 0 580 45540 8 National foreword This British Standard is the official English language version of EN 3841-504:2004. The UK participation in its preparation was entrusted by Technical Committee ACE/6, Aerospace avionic el
3、ectrical and 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 publ
4、ications 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 ne
5、cessary 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 on the in
6、terpretation, 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
7、 back cover. 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 EN3841504 December2004 ICS49.060 Englishversion AerospaceseriesCircuitbreakersTestmet
8、hodsPart504: Strengthofmountingelements SriearospatialeDisjoncteursMthodesdessais Partie504:Rsistancedeslmentsdefixation LuftundRaumfahrtSchutzschalterPrfverfahrenTeil 504:FestigkeitderBefestigung ThisEuropeanStandardwasapprovedbyCENon10September2004. CENmembersareboundtocomplywiththeCEN/CENELECInte
9、rnalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheCentralSecretariatortoanyCENmember. ThisEuropeanStandardexistsinthreeoffi
10、cialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCentralSecretariathasthesamestatusast heofficial versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,Cyprus,CzechRepublic,Denmark,Estoni
11、a,Finland,France, Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,Netherlands,Norway,Poland,Portugal, Slovakia, Slovenia,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCent
12、re:ruedeStassart,36B1050Brussels 2004CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN3841504:2004:EEN 3841-504:2004 (E) 2 Contents Page Foreword3 1 Scope 4 2 Normative references 4 3 Method 4 3.1 Mounting.4 3.2 Rotation 4 4 Requirement.4 EN 3841-504
13、:2004 (E) 3 Foreword This document (EN 3841-504:2004) 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 Nation
14、al Associations and the Official Services of 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 st
15、andards shall be withdrawn at the latest by 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, German
16、y, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EN 3841-504:2004 (E) 4 1 Scope This standard specifies a method of verifying the strength of the mounting eleme
17、nts of circuit breakers. It shall be used 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 do
18、cument (including any amendments) applies. EN 3841-100, Aerospace series Circuit breakers Test methods Part 100: General 3 Method 3.1 Mounting The tightening torque specified in the technical specification shall be applied three times for 1 min each, with one disassembly between each operation. 3.2
19、Rotation The housing of the circuit breakers shall be turned about its mounting in both directions successively at the torque value specified in the technical specification. No deformation outside tolerances or rupture of the locating device shall result. The housing of the circuit breakers shall no
20、t break. 4 Requirement Requirements in accordance with technical specification and product standard. blankBS EN 3841-504:2004 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independent national body responsible for preparing British Standards. It presents the U
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