1、STD-AECMA PREN 2733-003-ENGL 1795 m LOL233L 0032759 O37 m Edition approved for publication AECMA STANDARD NORME AECMA AECMA NORM C 2 Chairman Comments should be sent within six months after the date of publication to prEN 271 3-003 Edition P 1 March 1995 EDITE PAR LASSOCIATION EUROPENNE DES CONSTRUC
2、TEURS DE MATERIEL AEROSPATIAL Technopolis - 175, rue Jean-Jacques Rousseau - F-92138 Issy-les-Moulineaux Cedex - Tl. (1) 47.36.98.76 ICs : Descriptors : ENGLISH VERSION Aerospace series Cables, electrical, single and multicore for general purpose Operating temperatures between - 55 OC and 200 OC Par
3、t 003 : Screened (spiral) and jacketed, ink jet printable Product standard Srie arospatiale Cbles, lectriques, mono et multiconducteurs dusage gnral Tempratures de fonctionnement comprises entre - 55 OC et 200 OC Partie 003 : Blinds (guips) et gains, marquables au jet dencre Norme de produit Luft- u
4、nd Raumfahrt Leitungen, elektrisch, ein- und rnehradrig, fr allgemeine Verwendung Betnebsternperaturen zwischen - 55 OC und 200 OC Teil 003 : Geschirmt (Umseilung) und urnmantelt, Tintenstrahl bedruckbar Produktnorm This “Aerospace Series“ Prestandard has been drawn up under the responsibility of AE
5、CMA (Association Europenne des Constructeurs de Matriel Arospatial 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 Pres
6、tandard, the technical 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 th
7、e Member countries it will be submitted as a draft European Standard to CEN (European Committee for Standardization) for formal vote. 1995-03-31 AECMA Technopolis - 1 75, rue Jean-Jacques Rousseau 921 38 Issy-les-Moulineaux Cedex - FRANCE M. Le Cunff aecma 1995 STD-AECMA PREN 2713-003-ENGL 1975 B LO
8、L23LL 003127bO 859 Page 3 prEN 271 3-003 : 1995 1 Scope This standard specifies the characteristics of ink jet printable single and multicore screened (spiral) and jacketed electrical cables for use in the on-board electrical systems of aircraft, at operating temperatures between - 55 OC and 200 OC.
9、 It shall also be possible to mark these cables by hot stamp printing. These markings shall be in accordance with EN 3838. 2 Normative references EN 2083 EN 2235 EN 2266-003 EN 271 3-002 EN 3042 EN 3475-loo* EN 3838 Copper and copper alloy conductors for electrical cables - Aerospace series Aerospac
10、e series - Cables, electrical, single and multicore, screened and jacketed - Technical specification 2, Aerospace series - Cables, electrical, for general purpose - Operating temperatures between - 55 OC and 200 OC - Part 003 : Ink jet printable - Product standard 2, Aerospace series - Cables, elect
11、rical, single and multicore for general purpose - Operating temperatures between - 55 OC and 200 OC - Part 002 : Screened and jacketed - General 2, Aerospace series - Quality assurance - EN aerospace products - Qualification procedure Aerospace series - Cables, electrical, aircraft use - Test method
12、s - Part 100 : General 2, Aerospace series - Requirements and tests on user-applied markings on aircraft electrical cables 2, 3 Definitions and symbols See EN 3475-100 4 Materials and construction 4.1 Materials These cables shall consist of the following : - cores according to EN 2266-003, top coat
13、dispersion fluorocarbon; - number of cores 1 to 4. 2 to 4-core cables shall be twisted together according to EN 2235. Filler cores shall not be permitted. * 1) Published as AECMA Standard at the date of publication of this standard 2) Published as AECMA Prestandard at the date of publication of this
14、 standard And all its parts quoted in table 2 Previous page is blank STD.AECMA PREN 2713-003-ENGL 1775 LIIL2311 00L27b1 775 m Page 4 prEN 2713-003 : 1995 Screen : - nickel-plated copper stranded spiral screen; - for dimensions of strands, see table 1; - material according to EN 2083, tests according
15、 to EN 3475-100; - construction according to EN 2235. Outer jacket : - layer of polyimide with total wall thickness (nominal value) of 30pm, coated on both sides with a layer 2,5 pm thick of fluorocarbon; - direction of winding immaterial - overlap 67 % min. ; or two layers - winding direction of fi
16、rst immaterial, overlap 51 % min. and second layer in opposite direction with 20 % min. overlap; - top coat of dispersion fluorocarbon, wall thickness 15 pm min. including the necessary additives for the acceptance of user-applied ink jet marking. 4.2 Construction See EN 2083 and table 1 Number Df c
17、ores 1 2 3 4 Code for nominal section O0 1 002 004 006 O1 o 012 020 030 050 051 1 O0 1 002 004 006 o1 o o1 2 020 030 050 051 1 O01 002 004 006 o1 o o1 2 020 030 O0 1 002 004 006 o1 o o1 2 020 Nominal section mm2 0,15 0,25 0,4 O, 6 1 1,2 2 3 5 5 0,15 O, 25 0,4 0,6 1 1 12 2 3 5 5 0,15 O, 25 O,4 03 1 1
18、12 2 3 0,15 0,25 0,4 0,6 1 1,2 2 AWG 2) 26 24 22 20 18 16 14 12 10 10 26 24 22 20 18 16 14 12 10 10 26 24 22 20 18 16 14 12 26 24 22 20 18 16 14 Table 1 hear resistance at 20 OC Olkm max. 160,O 114,O 60,O 33,2 21,l 14,5 10,9 6,8 42 4,1 165,OO 1 17,OO 61,70 34,l O 21,70 14,90 11,20 6,99 4,32 4,22 165
19、,OO 11 7,OO 61,70 34,l O 21,70 14,90 11,20 6,99 165,O 117,O 61,7 34,l 21,7 14,9 11,2 Screen strands nominal diameter mm 0,08 0,08 0,08 0,08 O, 08 0,IO 0,lO 0,lO 0,12 0,12 0,08 0,08 0,08 0,lO 0,lO 0,12 0,12 0,15 o, 20 o, 20 0,08 0,lO 0,lO 0,12 0,12 0,12 0,15 o, 20 0,lO 0,IO 0,lO 0,12 0,12 0,15 o, 20
20、External diameter mm max. 1,28 1,37 1,53 1,80 2,05 2,35 2,59 3,15 3,85 3,90 2,12 2,31 2,62 3.1 7 3,70 4,22 4,80 5,85 7,24 7,36 2,25 2,50 2,85 3,45 4,00 4,55 5,10 6,30 2,50 2,72 3,10 3,75 4,45 5,10 5.80 Mass kglkm max. 4,3 5,3 63 10,2 14,1 19,7 25,1 38,3 60,7 63,3 7,6 9,6 12,7 20,3 28,1 39,1 50,1 78,
21、8 127,5 131,5 10,5 14,0 18,7 29,2 41,4 55,6 74,6 119,2 13,8 17,4 23,7 37,7 53,0 74,5 101,5 1) Flexible construction which may be used as an alternative 2) AWG = Closest American Wire Gane STD-AECMA PREN 2713-003-ENGL 1795 10L2311 00L27b2 b2L Page 5 prEN 2713-003 : 1995 4.3 See EN 271 3-002 Colour co
22、ding of cores and jacket 5 Required characteristics According to EN 2235 and EN 3475-100 See table 2 Table 2 Test Visual examination Details EN 3475- Appicable 201 202 Mass Applicable ; see table 1 Applicable ; see table 1 Applicable ; see table 1 203 30 1 302 303 Dimensions Electrical resistance pe
23、r unit length Voltage proof test Applicable Insulation resistance Applicable 304 Surface resistance Applicable 305 Overload resistance Not applicable Applicable Temperature (250 f 5) OC 40 1 Accelerated ageing 402 Shrinkage and delamination Applicable Temperature (250 f 5) OC Maximum shrinkage at ea
24、ch end of cable : jacket 2 mm, core insulation, see Applicable Temperature (250 f 51 OC EN 2266-003 403 Delamination and blocking 404 Thermal shock Applicable Temperature (250 f 5) OC Maximum shrinkage : - at each end of core : see EN 2266-003 - at each end of cable : jacket 2 mm Applicable Applicab
25、le 405 Bending at ambient temperature Cold bend test Flammability 406 407 Applicable Extinguishing time : 3 s max. Not applicable Fire resistance Air-excluded ageing 408 409 Not applicable 41 O Thermal endurance Applicable 40 O00 h (temperature 200 OC) 41 1 Resistance to fluids Applicable Not applic
26、able Applicable Notch depth : 40 pm 501 502 Dynamic cut-through Notch propagation (continued) STD-AECMA PREN 2713-003-ENGL 1775 LDL231l 00127b3 5bA Test Scrape abrasion Torsion Tensile test on concentric conductors and strands Plating continuity Page 6 prEN 271 3-003 : 1995 Details Applicable Test f
27、orce on needle for cables 0,15 mm2 to 0,60 mm2 = 8 N 1,00 mm2 to 1,20 mm2 = 10 N 2,OO mm2 to 5,OO mm2 = 12 N Not applicable Applicable Applicable Table 2 (concluded) EN 3475- 503 504 505 506 507 508 509 60 1 602 603 604 701 702 703 Adherence of plating I Applicable Plating thickness Solderability Sm
28、oke density Toxicity Applicable Not applicable Applicable Applicable Resistance to wet arc tracking and electric arc propagation Resistance to dry arc tracking and electric arc propagation Strippability and adherence of insulation to the conductor Braid screen pushback capability Permanence of manuf
29、acturers marking 6 Quality assurance See EN 3042 7 Designation EXAMPLE : Not applicable Not applicable Applicable Not applicable Applicable Description block Identity block CABLE, ELECTRICAL EN271 3-003B0021 Number of this standard Code Code Code letter for number of cores (see EN 271 3-002, table 1
30、) for nominal section (see table 1) letter for colour coding of cores and jacket (see EN 2713-002, tables 2 to 8) NOTE : If necessary, the code I9005 shall be placed between the description block and the identity block. Page 7 prEN 2713-003 : 1995 8 Identification and marking See EN 2713-002 9 Packaging, labelling and delivery lengths See EN 2235 1 O Technical specification See EN 2235
