1、BRITISH STANDARDBS EN 2349-411:2007Aerospace series Requirements and test procedures for relays and contactors Part 411: Temperature changeICS 49.060g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g3
2、9g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 2349-411:2007This British Standard was published under the authority of the Standards Policy and Strategy Committee on 29 August 2008 BSI 2008ISBN 978 0 580 56756 8National forewordThis British Standard is the UK implementation of EN 2349-411:20
3、07. The UK participation in its preparation was entrusted to Technical Committee ACE/6, Aerospace avionic electrical and fibre optic technology.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to include all the neces
4、sary provisions of a contract. Users are responsible for its correct application.Compliance with a British Standard cannot confer immunity from legal obligations.Amendments/corrigenda issued since publicationDate CommentsEUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 2349-411April 2007ICS 49.060E
5、nglish VersionAerospace series - Requirements and test procedures for relaysand contactors - Part 411: Temperature changeSrie arospatiale - Exigences et mthodes dessais desrelais et contacteurs - Partie 411 : Variations detempratureLuft- und Raumfahrt - Anforderungen und Prfverfahren frRelais und Sc
6、haltschtze - Teil 411: TemperaturwechselThis European Standard was approved by CEN on 19 May 2006.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-
7、date lists and bibliographical references concerning such nationalstandards may be obtained on application to the CEN Management Centre or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder th
8、e responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as theofficial versions.CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,France, Germany, Greece, Hungary
9、, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue d
10、e Stassart, 36 B-1050 Brussels 2007 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 2349-411:2007: E2 Contents Page Foreword3 1 Scope 4 2 Normative references 4 3 Method 4 4 Requirements.4 BS EN 2349-411:20073 Foreword This document
11、(EN 2349-411:2007) has been prepared by the AeroSpace and Defense Industries Association of Europe - Standardization (ASD-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 Offici
12、al Services of the member countries of ASD, 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 October 2007, and conflicting national standards shall be withdrawn at
13、 the latest by October 2007. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hunga
14、ry, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 2349-411:20074 1 Scope This standard specifies a method for checking the capability of relays and contactors
15、 to withstand temperature change. It shall be used together with EN 2349-100. 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 refe
16、renced document (including any amendments) applies. EN 2349-100, Aerospace series Requirements and test procedures for relays and contactors Part 100: General requirements 1)EN 2349-201, Aerospace series Requirements and test procedures for relays and contactors Part 201: Visual inspection EN 2349-3
17、01, Aerospace series Requirements and test procedures for relays and contactors Part 301: Pick-up and drop-out voltage EN 2349-303, Aerospace series Requirements and test procedures for relays and contactors Part 303: Dielectric strength EN 2349-304, Aerospace series Requirements and test procedures
18、 for relays and contactors Part 304: Operate and release time EN 2349-305, Aerospace series Requirements and test procedures for relays and contactors Part 305: Bounce time EN 2349-307, Aerospace series Requirements and test procedures for relays and contactors Part 307: Contact voltage drop ISO 713
19、7:1995, Aircraft Environmental conditions and test procedures for airborne equipment 2)3 Method 3.1 Mounting The electrical connections shall be wired in accordance with the product standard. 3.2 Procedure The relay or contactor shall be subjected to a temperature change test in accordance with ISO
20、7137. Duration of the test: 48 h 4 Requirements Test in accordance with EN 2349-201. The relay or contactor shall show no sign of overheating or distortion. Test in accordance with EN 2349-301, EN 2349-303, EN 2349-304, EN 2349-305 and EN 2349-307. 1)In preparation at the date of publication of this
21、 standard. 2)Endorsement of publications EUROCAE/ED-14 and RTCA/DO-160. BS EN 2349-411:2007blankBS EN 2349-411:2007BSI Group Headquarters389 Chiswick High Road,London W4 4AL, UKTel +44 (0)20 8996 9001Fax +44 (0)20 8996 Standards Institution (BSI)BSI is the independent national body responsible for
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