1、BRITISH STANDARDBS EN 2349-407:2006Aerospace series Requirements and test procedures for relays and contactors Part 407: Cold/low pressure and moist heatThe European Standard EN 2349-407:2006 has the status of a British StandardICS 49.060g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g4
2、4g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58Licensed Copy: Wang Bin, na, Thu Apr 05 02:35:13 GMT+00:00 2007, Uncontrolled Copy, (c) BSIBS EN 2349-407:2006This British Standard was published under the author
3、ity of the Standards Policy and Strategy Committee on 31 January 2007 BSI 2007ISBN 978 0 580 50034 3National forewordThis British Standard was published by BSI. It is the UK implementation of EN 2349-407:2006.The UK participation in its preparation was entrusted by Technical Committee ACE/6, Aerospa
4、ce avionic electrical and fibre optic technology, to Panel ACE/6/-/4, Aerospace Switching devices.A list of organizations represented on ACE/6/-/4 can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsibl
5、e for its correct application.Compliance with a British Standard cannot confer immunity from legal obligations.Amendments issued since publicationAmd. No. Date CommentsLicensed Copy: Wang Bin, na, Thu Apr 05 02:35:13 GMT+00:00 2007, Uncontrolled Copy, (c) BSIEUROPEAN STANDARDNORME EUROPENNEEUROPISCH
6、E NORMEN 2349-407October 2006ICS 49.060English VersionAerospace series - Requirements and test procedures for relaysand contactors - Part 407: Cold/low pressure and moist heatSrie arospatiale - Exigences et mthodes dessais desrelais et contacteurs - Partie 407 : Froid/basse pression etchaleur humide
7、Luft- und Raumfahrt - Anforderungen und Prfverfahren frRelais und Schaltschtze - Teil 407: Klte/niedrigerLuftdruck und feuchte WrmeThis 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 gi
8、ving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the Central Secretariat or to any CEN member.This European Standard exists in three official versio
9、ns (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Cypru
10、s, Czech Republic, Denmark, Estonia, Finland, France,Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania,Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT E
11、UROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue de Stassart, 36 B-1050 Brussels 2006 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 2349-407:2006: ELicensed Copy: Wang Bin, na, Thu Apr 05 02:35:13 GMT+00:
12、00 2007, Uncontrolled Copy, (c) BSI2 Contents Page Foreword3 1 Scope 4 2 Normative references 4 3 Method 4 4 Requirements.4 EN 2349-407:2006Licensed Copy: Wang Bin, na, Thu Apr 05 02:35:13 GMT+00:00 2007, Uncontrolled Copy, (c) BSI3 Foreword This document (EN 2349-407:2006) has been prepared by the
13、AeroSpace and Defence 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 Official Services of the member countries of ASD,
14、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 April 2007, and conflicting national standards shall be withdrawn at the latest by April 2007. According to the CE
15、N/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, Latvia, Lithuania, Luxembourg
16、, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. EN 2349-407:2006Licensed Copy: Wang Bin, na, Thu Apr 05 02:35:13 GMT+00:00 2007, Uncontrolled Copy, (c) BSI4 1 Scope This standard specifies a method for testing the capabi
17、lity of relays to withstand cold, low air pressure and moist heat. It applies for relays with plug socket holders only. 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,
18、only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 2349-100 , Aerospace series Requirements and test procedures for relays and contactors Part 100: General requirements 1)EN 2349-302, Aerospace series Requireme
19、nts and test procedures for relays and contactors Part 302: Insulation resistance EN 2591-303, Aerospace series Elements of electrical and optical connection Test methods Part 303: Cold/low pressure and damp heat 3 Method 3.1 Mounting The plug-socket holder and relay shall be wired in accordance wit
20、h the product standard. 3.2 Procedure The test shall be carried out in accordance with EN 2591-303. 4 Requirements Test in accordance with EN 2349-302. 1) In preparation at the date of publication of this standard. EN 2349-407:2006Licensed Copy: Wang Bin, na, Thu Apr 05 02:35:13 GMT+00:00 2007, Unco
21、ntrolled Copy, (c) BSIblankLicensed Copy: Wang Bin, na, Thu Apr 05 02:35:13 GMT+00:00 2007, Uncontrolled Copy, (c) BSIBS EN 2349-407:2006BSI389 Chiswick High RoadLondonW4 4ALBSI British Standards InstitutionBSI is the independent national body responsible for preparing British Standards. It presents
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