1、Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 06/11/2008 07:49, Uncontrolled Copy, (c) BSIg49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58a
2、nd contactors Part 409: Ozone resistanceICS 49.060Aerospace series Requirements and test procedures for relays BRITISH STANDARDBS EN 2349-409:2007BS EN 2349-409:2007Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 06/11/2008 07:49, Uncontrolled Copy, (c) BSIThis British Standard was published
3、under the authority of the Standards Policy and Strategy Committee on 29 August 2008 BSI 2008ISBN 978 0 580 56754 4Amendments/corrigenda issued since publicationDate CommentsCompliance with a British Standard cannot confer immunity from legal obligations.National forewordThis British Standard is the
4、 UK implementation of EN 2349-409:2007. 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
5、not purport to include all the necessary provisions of a contract. Users are responsible for its correct application.EUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 2349-409April 2007ICS 49.060English VersionAerospace series - Requirements and test procedures for relaysand contactors - Part 409: O
6、zone resistanceSrie arospatiale - Exigences et mthodes dessais desrelais et contacteurs - Partie 409 : Rsistance lozoneLuft- und Raumfahrt - Anforderungen und Prfverfahren frRelais und Schaltschtze - Teil 409: OzonbestndigkeitThis European Standard was approved by CEN on 19 May 2006.CEN members are
7、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 on application to the
8、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 the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same stat
9、us as theofficial versions.CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,Romania, Sl
10、ovakia, 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 2007 CEN All rights of exploitation in any form and by any means reservedworldwide
11、for CEN national Members.Ref. No. EN 2349-409:2007: ELicensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 06/11/2008 07:49, Uncontrolled Copy, (c) BSI2 Contents Page Foreword3 1 Scope 4 2 Normative references 4 3 Method 4 4 Requirements.4 BS EN 2349-409:2007Licensed Copy: Wang Bin, ISO/EXCHANGE CH
12、INA STANDARDS, 06/11/2008 07:49, Uncontrolled Copy, (c) BSI3 Foreword This document (EN 2349-409:2007) 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,
13、 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 be given the status of a national standard, either by publication of an identical text or by endorsement, at
14、the latest by October 2007, and conflicting national standards shall be withdrawn at 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, Bulgari
15、a, Cyprus, 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 the United Kingdom. BS EN 2349-409:2007Licensed Co
16、py: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 06/11/2008 07:49, Uncontrolled Copy, (c) BSI4 1 Scope This standard specifies a method for checking the capability of relays and contactors to resist ozone. It shall be used together with EN 2349-100. 2 Normative references The following referenced documen
17、ts 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, Aerospace series Requirements and test procedures for relays and con
18、tactors Part 100: General requirements 1)EN 2349-201, Aerospace series Requirements and test procedures for relays and contactors Part 201: Visual inspection 3 Method 3.1 Mounting The relay or contactor shall be wired in accordance with the product standard and placed in an open air-circulating cham
19、ber. 3.2 Procedure The relay or contactor shall be exposed for a period of 2 h at room temperature to the effects of ozone with a concentration of 0,010 % to 0,015 % volume. 4 Requirements Test in accordance with EN 2349. No sign of damage shall occur. 1) In preparation at the date of publication of
20、 this standard. BS EN 2349-409:2007Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 06/11/2008 07:49, Uncontrolled Copy, (c) BSIblankLicensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 06/11/2008 07:49, Uncontrolled Copy, (c) BSIBS EN BSI Group Headquarters389 Chiswick High Road,London W4 4
21、AL, UKLicensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 06/11/2008 07:49, Uncontrolled Copy, (c) BSITel +44 (0)20 8996 9001Fax +44 (0)20 8996 Standards Institution (BSI)BSI is the independent national body responsible for preparing British Standards. It presents the UK view on standards in Eur
22、ope and at the international level. It is incorporated by Royal Charter.RevisionsBritish Standards are updated by amendment or revision. Users of British Standards should make sure that they possess the latest amendments or editions.It is the constant aim of BSI to improve the quality of our product
23、s and services. We would be grateful if anyone finding an inaccuracy or ambiguity while using this British Standard would inform the Secretary of the technical committee responsible, the identity of which can be found on the inside front cover. Tel: +44 (0)20 8996 9000 Fax: +44 (0)20 8996 7400BSI of
24、fers members an individual updating service called PLUS which ensures that subscribers automatically receive the latest editions of standards.Buying standardsOrders for all BSI, international and foreign standards publications should be addressed to Customer Services. Tel: +44 (0)20 8996 9001 Fax: +
25、44 (0)20 8996 7001 Email: You may also buy directly using a debit/credit card from the BSI Shop on the Website http:/ response to orders for international standards, it is BSI policy to supply the BSI implementation of those that have been published as British Standards, unless otherwise requested.I
26、nformation on standardsBSI provides a wide range of information on national, European and international standards through its Library and its Technical Help to Exporters Service. Various BSI electronic information services are also available which give details on all its products and services. Conta
27、ct the Information Centre. Tel: +44 (0)20 8996 7111 Fax: +44 (0)20 8996 7048 Email: Subscribing members of BSI are kept up to date with standards developments and receive substantial discounts on the purchase price of standards. For details of these and other benefits contact Membership Administrati
28、on. Tel: +44 (0)20 8996 7002 Fax: +44 (0)20 8996 7001 Email: Information regarding online access to British Standards via British Standards Online can be found at http:/ information about BSI is available on the BSI website at http:/.CopyrightCopyright subsists in all BSI publications. BSI also hold
29、s the copyright, in the UK, of the publications of the international standardization bodies. Except as permitted under the Copyright, Designs and Patents Act 1988 no extract may be reproduced, stored in a retrieval system or transmitted in any form or by any means electronic, photocopying, recording
30、 or otherwise without prior written permission from BSI. This does not preclude the free use, in the course of implementing the standard, of necessary details such as symbols, and size, type or grade designations. If these details are to be used for any other purpose than implementation then the prior written permission of BSI must be obtained. Details and advice can be obtained from the Copyright & Licensing Manager. Tel: +44 (0)20 8996 7070 Email:
