1、BRITISH STANDARDBS EN 2349-202:2006Aerospace series Requirements and test procedures for relays and contactors Part 202: Examination of dimensions and massThe European Standard EN 2349-202:2006 has the status of a British StandardICS 49.060g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54
2、g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 2349-202:2006This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 January 2007 BSI 2007ISBN 978 0
3、580 50016 9National forewordThis British Standard was published by BSI. It is the UK implementation of EN 2349-202:2006.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
4、 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 responsible for its correct application.Compliance with a British Standard cannot confer immunity f
5、rom legal obligations.Amendments issued since publicationAmd. No. Date CommentsEUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 2349-202October 2006ICS 49.060English VersionAerospace series - Requirements and test procedures for relaysand contactors - Part 202: Examination of dimensions and massSri
6、e arospatiale - Exigences et mthodes dessais desrelais et contacteurs - Partie 202 : Examen des dimensionset massesLuft- und Raumfahrt - Anforderungen und Prfverfahren frRelais und Schaltschtze - Teil 202: Prfung der Mae undMasseThis European Standard was approved by CEN on 10 May 2006.CEN members a
7、re 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 t
8、he 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 Secretariat has the same statu
9、s 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, Romania,Slovakia, Slo
10、venia, 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 reservedworldwide for CEN nat
11、ional Members.Ref. No. EN 2349-202:2006: E2 Contents Page Foreword3 1 Scope 4 2 Normative references 4 3 Means of measurement.4 4 Requirements.4 EN 2349-202:20063 Foreword This document (EN 2349-202:2006) has been prepared by the AeroSpace and Defense Industries Association of Europe - Standardizati
12、on (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 AECMA, prior to its presentation to CEN. This European Standard shall be gi
13、ven 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. Attention is drawn to the possibility that some of the elements of this document may be
14、 the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any 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, Be
15、lgium, 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. EN 2349-202:20064 1 Scope
16、This standard specifies a method for checking the dimensions and mass of relays and contactors. 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 a
17、pplies. 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)3 Means of measurement 3.1 Conditions for the test shall be: Amb
18、ient temperature: (23 5) C (unless otherwise specified); Pressure: 84 kPa to 106 kPa; Relative humidity: 45 % to 75 %. 3.2 Dimensions shall be measured using micrometers, calibres or optical means to an accuracy of 0,01 mm. The mass shall be measured using a calibrated balance to an accuracy of 10-4
19、kg (0,1 g) or 10 % of the tolerance specified in the product standard. 4 Requirements Tests shall be carried out to ensure that dimensions and weight conform to the requirements of the product standard. 1) In preparation at the date of publication of this standard. EN 2349-202:2006blankBS EN 2349-20
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