1、STD-AECMA PREN 2349-317-ENGL 2000 W 30L2333 0037557 T59 m Nota - Extra copies can be supplied by B.N.A.E. - Technopolis 54 - 199, rue Jean-Jacques Rousseau - 92138 ISSY-LES-MOULINEAUX CEDEX Comments should be sent within six months C2 Chairman after the date of publication to 2000-01 -31 AECMA Mr Pe
2、uetta Gulledelle 94 Edition approved for publication 8-1200 BRUXELLES 0 aecma 20C AECMA STANDARD NORME AECMA AECMA NORM prEN 2349-31 7 Edition P 1 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. (+3
3、2) 2 775 81 1 t ICs: Descriptors: ENGLISH VERSION Aerospace series Requirements and test procedures for relays and contactors Part 317: Service life of coil switching device Srie arospatiale Exigences et mthodes dessais des relais et contacteurs Partie 317: Dure de vie bobine Luft- und Raumfahrt Anf
4、orderungen und Prfverfahren fr Relais und Schaltschtze Teil 317: Lebensdauer der Spule des Schaltgertes This “Aerospace Series“ Prestandard has been drawn up under the responsibility of AECMA (The European Association of Aerospace Industries). It is published on green paper for the needs of AECMA- M
5、embers. 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 content shall not be changed to an extent that interchangeability is affected, physically or functi
6、onally, 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 will be submitted as a draft European Standard to CEN (European Committee for Standardization) for f
7、ormal vote. STD-AECMA PREN 2347-337-ENGL 2000 3032333 0037558 995 M Page 2 prEN 2349-31 7: 2000 Contents Scope 3 Normative references 3 Method . 3 Requirements 4 STD=AECMA PREN 2349-317-ENGL 2000 = 1Ol12311 0017559 821 D Page 3 prEN 2349-317: 2000 1 Scope This standard specifies a method for determi
8、ning the service life of coil switching devices in relays and contactors. It shall be used together with EN 2349-100. 2 Normative references This European Standard incorporates by dated or undated reference provisions from other publications. These normative references are cited at the appropriate p
9、laces in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication re
10、ferred to applies. EN 2349-1 O0 EN 2349-201 EN 2349-202 EN 2349-301 EN 2349-308 EN 2349-309 Aerospace series - Requirements and test procedures for relays and contactors - Part 100: General requirements 1) Aerospace series - Requirements and test procedures for relays and contactors - Part 201: Visu
11、al inspection 2) Aerospace series - Requirements and test procedures for relays and contactors - Part 202: Dimensions and mass 2) Aerospace series - Requirements and test procedures for relays and contactors - Part 301 : Pick-up and drop-out voltage 2) Aerospace series - Requirements and test proced
12、ures for relays and contactors - Part 308: Coil current 2) Aerospace series - Requirements and test procedures for relays and contactors - Part 309: Exported spikes 2) 3 Method 3.1 Mounting The relay or contactor shall be wired in accordance with EN 2349-100 and placed in a heating cabinet. The coil
13、 of the relay or contactor shall be connected through a switch to the power source. 3.2 Test procedures 3.2.1 standard. The temperature of the heating cabinet shall be brought to the level specified in the product 3.2.2 The relay shall be energized with the maximum rated voltage specified in the pro
14、duct standard. 3.2.3 Test cycle: - coil energized : 3 h; - coil de-energized : 0,5 h. Number of cycles: 200 1) In preparation at the date of publication of this standard 2) Published as AECMA Prestandard at the date of publication of this standard STD-AECMA PREN 23q9-317-ENGL 2000 L0123LL 00175b0 5q
15、3 M Page 4 prEN 2349-31 7: 2000 3.2.4 minimum temperature specified in the product standard. The coil voltage shall be switched off and the temperature of the heating cabinet reduced to the 3.2.5 The relay shall be energized with the maximum rated voltage specified in the product standard. 3.2.6 Test cycle: - coil energized: 3 h; - coil de-energized: 0,5 h. Number of cycles: 100 3.2.7 heating cabinet. On completion of the tests the power shall be switched off and the test samples removed from the 4 Requirements Test in accordance with EN 2349-201,202, 301,308 and 309.
