1、BRITISH STANDARD AEROSPACE SERIES BS EN 3841-509:2004 Circuit breakers Test methods Part 509: Insertion and extraction forces of signal contact terminals The European Standard EN 3841-509:2004 has the status of a British Standard ICS 49.060 BS EN 3841-509:2004 This British Standard was published und
2、er the authority of the Standards Policy and Strategy Committee on 22 February 2005 BSI 22 February 2005 ISBN 0 580 45545 9 National foreword This British Standard is the official English language version of EN 3841-509:2004. The UK participation in its preparation was entrusted by Technical Committ
3、ee ACE/6, Aerospace avionic electrical 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
4、international or European publications 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
5、 purport to include all 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 com
6、mittee any enquiries on the interpretation, 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
7、 5 and a 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 EN3841509 December2004 ICS49.060 Englishversion AerospaceseriesCircuitbreaker
8、sTestmethodsPart509: Insertionandextractionforcesofsignalcontactterminals SriearospatialeDisjoncteursMthodesdessais Partie509:Forcesdinsertionetdextractiondes connexionsenfichables LuftundRaumfahrtSchutzschalterPrfverfahrenTeil 509:SteckundZiehkrftederSignalkontaktAnschlsse ThisEuropeanStandardwasap
9、provedbyCENon10September2004. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplication
10、totheCentralSecretariatortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCentralSecretariathasthesamestatusast heofficial versions. CENmembersaret
11、henationalstandardsbodiesofAustria,Belgium,Cyprus,CzechRepublic,Denmark,Estonia,Finland,France, Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,Netherlands,Norway,Poland,Portugal, Slovakia, Slovenia,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARD
12、IZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2004CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN3841509:2004:E EN 3841-509:2004 (E) 2 Contents Page Foreword3 1 Scope 4 2 Normative re
13、ferences 4 3 Method 4 3.1 Preparation of specimens.4 3.2 Procedure .4 3.3 Requirement.5 EN 3841-509:2004 (E) 3 Foreword This document (EN 3841-509:2004) has been prepared by the European Association of Aerospace Manufacturers - Standardization (AECMA-STAN). After enquiries and votes carried out in a
14、ccordance with the rules of this Association, this Standard has received the approval of the National 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 publicat
15、ion of an identical text or by endorsement, at the latest by June 2005, and conflicting national standards 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 Eur
16、opean Standard: Austria, Belgium, Cyprus, 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. EN 3841-509:
17、2004 (E) 4 1 Scope This standard specifies a method of determining the forces required to insert and extract the contact pin into and out of the terminal socket of the signal contact. It shall be used together with EN 3841-100. 2 Normative references The following referenced documents are indispensa
18、ble 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) applies. EN 3841-100, Aerospace series Circuit breakers Test methods Part 100: General 3 Method 3.1 Prepara
19、tion of specimens All contact pins shall be wired as specified by the technical specification and installed in an insert except those to be used for test. Unless indicated in the technical specification, the following details shall be specified: type of insertion and extraction tool; method of mount
20、ing; insertion and extraction forces; type of cable. The apparatus shall consist of: an appropriate insertion and extraction tool; a suitable device for holding the element of connection; a force measuring device. 3.2 Procedure 3.2.1 Method Each contact pin shall be submitted to 10 inserting and ext
21、racting operations each. Forces shall be measured during the first and the last operation. 3.2.2 Insertion force The contact pin shall be inserted with the toll specified in the technical specification. Ascertain that the contact pin is correctly engaged. The axial force required to install the cont
22、act pin shall be measured by a suitable means. EN 3841-509:2004 (E) 5 3.2.3 Extraction force The contact pin shall be extracted with the tool specified by the technical specification. The force required to remove the contact pin shall be measured by a suitable means. 3.3 Requirement The insertion an
23、d extraction forces shall not exceed the values specified by the technical specification. BS EN 3841-509:2004 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 UK view on standa
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