BS-EN-2349-312-2006.pdf
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1、BRITISH STANDARD BS EN 2349-312:2006 Aerospace series Requirements and test procedures for relays and contactors Part 312: Electrical service life Mixed load The European Standard EN 2349-312:2006 has the status of a British Standard ICS 49.060 ? Licensed Copy: London South Bank University, London S
2、outh Bank University, Tue Jan 23 07:46:52 GMT+00:00 2007, Uncontrolled Copy, (c) BSI BS EN 2349-312:2006 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 January 2007 BSI 2007 ISBN 978 0 580 50027 5 National foreword This British Standard w
3、as published by BSI. It is the UK implementation of EN 2349-312:2006. 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 devices. A list of organizations represented on A
4、CE/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 from legal obligations. Amendments issued since
5、publication Amd. No. DateComments Licensed Copy: London South Bank University, London South Bank University, Tue Jan 23 07:46:52 GMT+00:00 2007, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 2349-312 October 2006 ICS 49.060 English Version Aerospace series - Require
6、ments and test procedures for relays and contactors - Part 312: Electrical service life - Mixed load Srie arospatiale - Exigences et mthodes dessais des relais et contacteurs - Partie 312 : Pouvoirs de commutation - Charges combines Luft- und Raumfahrt - Anforderungen und Prfverfahren fr Relais und
7、Schaltschtze - Teil 312: Elektrische Lebensdauer - Mischlast This 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 giving this European Standard the status of a national standard without
8、 any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained 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
9、 by translation under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany,
10、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 STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Mana
11、gement Centre: rue de Stassart, 36 B-1050 Brussels 2006 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 2349-312:2006: E Licensed Copy: London South Bank University, London South Bank University, Tue Jan 23 07:46:52 GMT+00:00 2007,
12、Uncontrolled Copy, (c) BSI 2 Contents Page Foreword3 1 Scope 4 2 Normative references4 3 Mounting method.4 4 Test procedures.4 5 Test criteria.6 6 Verification tests6 EN 2349-312:2006 Licensed Copy: London South Bank University, London South Bank University, Tue Jan 23 07:46:52 GMT+00:00 2007, Uncon
13、trolled Copy, (c) BSI 3 Foreword This document (EN 2349-312:2006) has been prepared by the 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 appro
14、val 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 the latest by April 2007, and conflic
15、ting national standards shall be withdrawn at the latest by April 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, Cyprus, Czech Republic, Denmark, Estonia, Finlan
16、d, 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 2349-312:2006 Licensed Copy: London South Bank University, London South Bank U
17、niversity, Tue Jan 23 07:46:52 GMT+00:00 2007, Uncontrolled Copy, (c) BSI 4 1 Scope This standard specifies a method for testing the electrical service life - mixed load of relays and contactors. It shall be used together with EN 2349-100. 2 Normative references The following referenced documents ar
18、e 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 contacto
19、rs Part 100: General requirements 1) EN 2349-302, Aerospace series Requirements and test procedures for relays and contactors Part 302: Insulation resistance EN 2349-303, Aerospace series Requirements and test procedures for relays and contactors Part 303: Dielectric strength EN 2349-307, Aerospace
20、series Requirements and test procedures for relays and contactors Part 307: Contact voltage drop EN 2349-412, Aerospace series Requirements and test procedures for relays and contactors Part 412: Seal 3 Mounting method The relay or contactor shall be wired in accordance with EN 2349-100 and the rate
21、d contact load. The relay or contactor shall be mounted and placed in an air circulating heating cabinet. 4 Test procedures 4.1 Each normally closed and normally open contact shall connect, conduct and disconnect the specified loads. The loads shall be connected to (28 1) V d.c. 4.2 Unless otherwise
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