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、4g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 2349-407:2006This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 January 2007 BSI 2007ISBN 978 0 58
3、0 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, Aerospace avionic electrical and fibre optic technology, to Panel ACE/6/-/4, Aerospace Switching d
4、evices.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 responsible for its correct application.Compliance with a British Standard cannot confer immunity fro
5、m legal obligations.Amendments issued since publicationAmd. No. Date CommentsEUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 2349-407October 2006ICS 49.060English VersionAerospace series - Requirements and test procedures for relaysand contactors - Part 407: Cold/low pressure and moist heatSrie ar
6、ospatiale - Exigences et mthodes dessais desrelais et contacteurs - Partie 407 : Froid/basse pression etchaleur humideLuft- und Raumfahrt - Anforderungen und Prfverfahren frRelais und Schaltschtze - Teil 407: Klte/niedrigerLuftdruck und feuchte WrmeThis European Standard was approved by CEN on 19 Ma
7、y 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-date lists and bibliographical references concerning such nationalstandards may be obtained
8、 on application to the Central Secretariat 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 the responsibility of a CEN member into its own language and notified to the Central Secretaria
9、t has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, R
10、omania,Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN 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 reservedw
11、orldwide for CEN national Members.Ref. No. EN 2349-407:2006: E2 Contents Page Foreword3 1 Scope 4 2 Normative references 4 3 Method 4 4 Requirements.4 EN 2349-407:20063 Foreword This document (EN 2349-407:2006) has been prepared by the AeroSpace and Defence Industries Association of Europe - Standar
12、dization (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, prior to its presentation to CEN. This European Standard shall b
13、e 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 CEN/CENELEC Internal Regulations, the national standards organizat
14、ions 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, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovaki
15、a, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. EN 2349-407:20064 1 Scope This standard specifies a method for testing the capability 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 2
16、349-100. 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) applies. EN 2349-100 , Aer
17、ospace series Requirements and test procedures for relays and contactors Part 100: General requirements 1)EN 2349-302, Aerospace series Requirements and test procedures for relays and contactors Part 302: Insulation resistance EN 2591-303, Aerospace series Elements of electrical and optical connecti
18、on 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 with 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)
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