1、 STD-AECMA PREN 23Y7-302-ENGL 2000 LOL23LL 00175Lb Y3b m AECMA STANDARD prEN 2349-302 NORME AECMA Edition P 1 AECMA NORM January 2000 PUBLISHED BY THE EUROPEAN ASSOCIATION OF AEROSPACE INDUSTRIES (AECMA) Gulledelle 94 - 6-1 200 BRUXELLES - Tel. (+32) 2 775 81 1 O - Fax. (+32) 2 775 81 11 Edition app
2、roved for publication 2000-01-31 ICs: Descriptors: Comments should be sent within six months after the date of publication to AECMA Gulledelle 94 6-1 200 BRUXELLES ENGLISH VERSION Aerospace series Requirements and test procedures for relays and contactors Part 302: Insulation resistance Srie arospat
3、iale Exigences et mthodes dessais des relais et contacteurs Partie 302: La rsistance disolment Luft- und Raumfahrt Anforderungen und Prfverfahren fr Relais und Schaltschtze Teil 302: Isolationswiderstand This “Aerospace Series“ Prestandard has been drawn up under the responsibility of AECMA (The Eur
4、opean Association of Aerospace Industries). It is published on green paper for the needs of AECMA- Members. it has been technically approved by the experts of the concerned Technical Committee following comment by the Member countries. Subsequent to the publication of this Prestandard, the technical
5、 content shall not be changed to an extent that interchangeability is affected, physically or functionally, without re-identification of the standard. After examination and signature of the AECMA Standard Checking Centre (NPS) and formal agreement of the Official Services of the Member countries it
6、will be submitted as a draft European Standard to CEN (European Committee for Standardization) for formal vote. Nota - Extra copies can be supplied by B.N.A.E. - Tedinopolis 54 - 199, rue JeamJacques Rousseau - 92138 ISSY-LES-MOULINEAUX CEDEX C2 Chairman Mr Pezzetta I Contents Scope . 3 Normative re
7、ferences . 3 Test procedure . 3 . 3 STD.AECMA PREN 23q7-302-ENGL 2000 B 1012311 0017518 209 Page 3 prEN 2349-302: 2000 1 Scope This standard specifies a method for testing the insulation resistance of relays and contactors. It shall be used together with EN 2349-1 OO. 2 Normative references This Eur
8、opean Standard incorporates by dated or undated reference provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications
9、 apply to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies. EN 2349-1 O0 Aerospace series - Requirements and test procedures for relays and contactors - Part 100: General requirements 1) IS0
10、 2678 Environmental tests for aircraft equipment - Insulation resistance and high voltage tests for electrical equipment 3 Test procedure 3.1 other and also between all terminals and the housing. The insulation resistance shall be measured between all terminals which are insulated from each 3.2 The
11、test shall be performed both with the relay or contactor energized and de-energized. 3.3 The test shall be performed in accordance with IS0 2678 3.4 The test voltage shall be 500 V d.c. 3.5 The specified insulation resistance shall be reached within 2 min. NOTE: During the test in the de-energized state the coil terminals shall be connected to each other. 4 Test criteria The insulation resistance of the relay or contactor shall be greater than the values specified in the product standard. 1) In preparation at the date of publication of this standard
