1、Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 12/11/2008 03:08, Uncontrolled Copy, (c) BSIg49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58a
2、nd contactors Part 414: Mechanical shockICS 49.060Aerospace series Requirements and test procedures for relays BRITISH STANDARDBS EN 2349-414:2007BS EN 2349-414:2007Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 12/11/2008 03:08, 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 56759 9Amendments/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 2349-414:2007. 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 2349-414April 2007ICS 49.060English VersionAerospace series - Requirements and test procedures for relaysand contactors - Part 414: M
6、echanical shockSrie arospatiale - Exigences et mthodes dessais desrelais et contacteurs - Partie 414 : Chocs mechaniqueLuft- und Raumfahrt - Anforderungen und Prfverfahren frRelais und Schaltschtze - Teil 414: MechanischesSchockenThis European Standard was approved by CEN on 19 May 2006.CEN members
7、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 on application to
8、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 the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same
9、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, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,Romania
10、, 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 2007 CEN All rights of exploitation in any form and by any means reservedworldw
11、ide for CEN national Members.Ref. No. EN 2349-414:2007: ELicensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 12/11/2008 03:08, Uncontrolled Copy, (c) BSI2 Contents Page Foreword3 1 Scope 4 2 Normative references 4 3 Method 4 4 Requirements.5 BS EN 2349-414:2007Licensed Copy: Wang Bin, ISO/EXCHANG
12、E CHINA STANDARDS, 12/11/2008 03:08, Uncontrolled Copy, (c) BSI3 Foreword This document (EN 2349-414:2007) has been prepared by the European Association of Aerospace Manufacturers - Standardization (AECMA-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 AECMA, 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. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any
15、 or all such patent rights. 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, Hungar
16、y, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 2349-414:2007Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 12/11/2008 03:08, Uncontrolled Copy, (c)
17、BSI4 1 Scope This standard specifies a method for checking the capability of relays and contactors to withstand shock. 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, o
18、nly 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 2349-301, Aerospace series Requirement
19、s 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 for relays and contactors Part
20、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 EN 2349-309, Aerospace series Requireme
21、nts and test procedures for relays and contactors Part 309: Exported spikes EN 2349-412, Aerospace series Requirements and test procedures for relays and contactors Part 412: Seal ISO 7137:1995, Aircraft Environmental conditions and test procedures for airborne equipment 2)3 Method 3.1 Mounting Moun
22、ting of the relay or contactor on the drop slide shall be rigid, so that the shock produced can be transmitted directly to the test sample without absorption or resonance. The electrical connections shall be wired in accordance with the product standard. The wires shall be secured to the drop slide
23、as close as possible to the point of electrical connection. 1) In preparation at the date of publication of this standard. 2) Endorsement of publications EUROCAE/ED-14 and RTCA/DO-160. BS EN 2349-414:2007Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 12/11/2008 03:08, Uncontrolled Copy, (c)
24、BSI5 3.2 Procedure The relay or contactor shall be subjected to a shock test in accordance with ISO 7137. For test conditions see product standard. 4 Requirements The torque for the connections and attachments shall not be less than 80 % of the rated value. No opening of closed contacts for longer t
25、han 10 s. No closing of open contacts for longer than 1 s. Test in accordance with EN 2349-301, EN 2349-303, EN 2349-304, EN 2349-305, EN 2349-307, EN 2349-309, and EN 2349-412. BS EN 2349-414:2007Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 12/11/2008 03:08, Uncontrolled Copy, (c) BSIBS E
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