1、AECMA STANDARD NORME AECMA AECMA NORM Edition approved for publication 15 May 2003 prEN 271 4-01 3 Edition P 1 May 2003 Comments should be sent within six months after the date of publication to Electrical Domain AECMA-STAN ICs: 49.060 Descriptors: ENGLISH VERSION Aerospace series Cables, electrical
2、, single and multicore for general purpose Operating temperatures between - 55 OC and 260 OC Part 013: DR family, screened (spiral) and jacketed, UV laser printable Product standard Srie arospatiale Cbles, lectriques, mono et multiconducteurs dusage gnral Tempratures de fonctionnement comprises entr
3、e - 55 OC et 260 OC Partie 013 : Famille DR, blinds (guips) et gains, marquable au laser UV Norme de produit Luft- und Raumfahrt Leitungen, elektrisch, ein- und mehradrig, fr allgemeine Vewendung Betriebstemperaturen zwischen - 55 OC und 260 OC Teil O1 3: DR-Familie, geschirmt (Umseilung) und ummant
4、elt UV Laser bedruckbar Produktnorm This “Aerospace Series“ Prestandard has been drawn up under the responsibility of AECMA-STAN (The European Association of Aerospace Industries - Standardization). It is published on green paper for the needs of the European Aerospace Industry. It has been technica
5、lly approved by the experts of the concerned Domain following member comments. Subsequent to the publication of this Prestandard, the technical content shall not be changed to an extent that interchangeability is affected, physically or functionally, without re-identification of the standard. After
6、examination and review by users and formal agreement of AECMA-STAN it will be submitted as a draft European Standard to CEN (European Committee for Standardization) for formal vote. I I Copyright 2003 O by AECMA-STA1 Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided
7、by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Page 2 prEN 2714-013: 2003 Foreword This standard was reviewed by the Domain Technical Coordinator of AECMA-STANS Electrical Domain. After inquiries and votes carried out in accordance w
8、ith the rules of AECMA-STAN defined in AECMA- STANS General Process Manual, this standard has received approval for Publication. Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted wit
9、hout license from IHS-,-,-Page 3 prEN 271 4-01 3: 2003 1 Scope This standard specifies the characteristics of UV laser printable DR family, single and multicore screened (spiral) and jacketed electrical lightweight cables for use in the on-board electrical systems of aircraft, at operating temperatu
10、res between - 55 “C and 260 “C. Nevertheless, if needed, - 65 “C is also acceptable as shown by cold test. It shall also be possible to mark these cables by qualified compatible marking. These markings shall satisfy the requirements of EN 3838. 2 Normative references This European Standard incorpora
11、tes 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 apply to this European
12、Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies. EN 2235, Aerospace series - Single and multicore electrical cables, screened and jacketed 1) EN 2267-009, Aerospace series - Cables, electrical, for gener
13、al purpose - Operating temperatures between - 55 “C and 260 “C - Part 009: DRA family, single and multicore assembly - Product standard EN 2267-01 O, Aerospace series - Cables, electrical, for general purpose - Operating temperatures between - 55 “C and 260 “C - Part 070: DR family, single UV laser
14、printable - Product standard EN 271 4-002, Aerospace series - Cables, electrical, single and multicore for general purpose - Operating temperatures between - 55 “C and 260 “C - Part 002: Screened and jacketed - General EN 3475-1 OO*, Aerospace series - Cables, electrical, aircraft use - Test methods
15、 - Part 700: General EN 3838, Aerospace series - Requirements and tests on user-applied markings on aircraft electrical cables I) EN 4434, Aerospace series - Copper or copper alloy lightweight conductors for electrical cables - Product standard EN 9133, Aerospace series - Quality management systems
16、- Qualification Procedure for Aerospace Standard Parts TR 6058, Aerospace series - Cable code identification list 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 2267-009 (or EN 2267-01 O fo
17、r single core construction) - 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. * And all its parts quoted in Table 2 1) Published as AECMA Prestandard at the date of publication of this standard 2) Published as AECMA Tech
18、nical Report at the date of publication of this standard Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Page 4 prEN 2714-013: 2003 Screen: - nickel-pl
19、ated copper stranded spiral screen; - for dimensions of strands, see Table 1 ; - material according to EN 4434, tests according to EN 3475-100; - construction according to EN 2235. Outer jacket: Shall be defined to satisfy all required characteristics of 5. 4.2 Construction See EN 4434 and Table 1.
20、Table 1 Number of cores Code for nominal section Nominal section 2 mm AWG a Linear resistance at 20 OC Q/km max. Screen strands nominal diameter mm External diameter mm max. Mass kg/km max. O0 1 002 004 006 o1 o o1 2 020 030 05 1 0,15 0,25 0,6 1 132 2 3 5 0,4 26 24 22 20 18 16 14 12 10 160,O 114,O 6
21、0,O 33,2 21,l 14,5 10,9 63 431 0,08 0,08 0,08 0,08 0,08 0,lO 0,lO 0,lO 0,12 1,31 1,45 1,60 1,84 2,08 2,43 2,74 3,20 3,89 4,68 5,76 7,51 10,77 14,97 20,97 27,03 39,70 61,94 8,17 10,23 13,64 21 ,O5 29,52 41,20 55,83 86,79 130,51 1 O0 1 002 004 006 o1 o o1 2 020 030 05 1 0,15 0,25 0,6 1 132 2 3 5 0,4 2
22、6 24 22 20 18 16 14 12 10 165,OO 1 17,OO 61,70 34,lO 21,70 14,90 11,20 6,99 4,22 0,08 0,08 0,08 0,lO 0,lO 0,12 0,15 0,20 0,20 2,13 2,40 2,70 3,22 3,71 4,38 5,04 6,09 7,39 2 O0 1 002 004 006 o1 o o1 2 020 030 05 1 0,15 0,25 0,6 1 132 2 3 5 0,4 26 24 22 20 18 16 14 12 10 165,OO 1 17,OO 61,70 34,lO 21,
23、70 14,90 11,20 6,99 4,22 0,08 0,lO 0,lO 0,12 0,12 0,15 0,15 0,20 0,20 2,26 2,59 2,91 3,48 4,00 4,73 5,39 6,50 7,90 10,94 14,72 19,76 30,44 42,96 60,67 78,83 122,72 186,69 3 O0 1 002 004 006 o1 o o1 2 020 26 24 22 20 18 16 14 165,O 117,O 61,7 34,l 21,7 14,9 11,2 0,lO 0,lO 0,lO 0,12 0,12 0,15 0,20 2,5
24、1 2,84 3,19 3,82 4,41 5,23 6,06 14,57 18,47 25,04 38,81 55,22 78,02 107,36 4 a AWG = Closest American Wire Gage Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from
25、 IHS-,-,-Page 5 prEN 271 4-01 3: 2003 4.3 See EN 2714-002. Colour coding of cores and jacket 5 Required characteristics According to EN 2235 and EN 3475-100 See Table 2. Table 2 EN 3475- Test Details 201 Visual examination Mass Applicable Applicable; see Table 1. 202 203 Dimensions Applicable; see T
26、able I. 30 1 Ohmic resistance per unit length Applicable; see Table I. 302 Voltage proof test Insulation resistance Applicable Applicable 303 304 Surface resistance Applicable 305 Overload resistance Not applicable 306 Continuity of conductors Corona extinction voltage Applicable Not applicable 307
27、40 1 Accelerated ageing Applicable Temperature (310 f 5) “C 402 Shrinkage and delamination Applicable Temperature (290 f 5) “C Maximum shrinkage at each end of cable: jacket: 2 mm on AWG 26 to 18 3 mm on AWG 16 to 10 core: according to EN 2267-009 403 Delamination and blocking Applicable Temperature
28、 (310 f 5) “C 404 Thermal shock Applicable but (- 65 f 2) “C instead of (- 55 f 2) “C Temperature (260 f 5) “C Maximum shrinkage at each end of cable: jacket: 2 mm on AWG 26 to 18 3 mm on AWG 16 to 10 core: according to EN 2267-009 Applicable Applicable but (- 65 f 2) “C 405 Bending at ambient tempe
29、rature Cold bend test 406 407 Flammability Applicable Extinguishing time: 3 s max. 408 Fire resistance Not applicable 409 Not applicable Air-excluded ageing Thermal endurance Resistance to fluids 41 O Not applicable Applicable 41 1 continued Copyright Association Europeene des Constructeurs de Mater
30、iel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Page 6 prEN 2714-013: 2003 Table 2 (concluded) EN 3475- Test Details 41 2 Humidity resistance Not applicable 41 3 Wrap back test Differential scanning calorimete
31、r (DSC test) Rapid change of temperature Thermal stability Not applicable Not applicable 41 4 41 5 Not applicable Not applicable 41 6 50 1 Dynamic cut-through Not applicable 502 Notch propagation Applicable Notch depth: 40 ,um 503 Scrape abrasion Applicable only on single core screened jacketed. Tes
32、t force on needle for cables 0,15 mm2 to 0,60 mm2 = 8 N I ,OO mm2 to I ,20 mm2 = IO N 2,OO mm2 to 5,OO mm2 = 12 N 504 Torsi on Not applicable 505 Applicable Tensile test on conductors and strands Plating continuity Adherence of plating Plating thickness Solderability Tensile strength and elongation
33、of extruded insulation, sheath and jacket material Cable-to-cable abrasion Flexure endurance Deformation resistance (Installation with plastic cable ties) Smoke density Toxicity Resistance to wet arc tracking Resistance to dry arc propagation Wet short circuit test Strippability and adherence of ins
34、ulation to the conductor Screen pushback capability Permanence of manufacturers marking Flexibility Contrast measurement 506 507 508 509 51 O Applicable Applicable Applicable Not applicable Not applicable 51 1 Not applicable Not applicable Not applicable 51 2 51 3 60 1 602 603 604 605 70 1 Applicabl
35、e Applicable Not applicable Not applicable Not applicable Applicable 702 Not applicable Applicable 703 704 Not applicable Applicable K 2 50 % 705 706 Laser markability Applicable - UV laser Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with A
36、ECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Page 7 prEN 271 4-01 3: 2003 - single core - twocores - three cores - fourcores 6 Quality assu rance See EN 9133. EN reference Code designation EN2714-013A MLA EN2714-013B MLB EN2714-013C MLC EN2714-013D MLD 7 Des
37、ignation 7.1 Identification EXAMPLE: Description block Identity block CABLE, ELECTRICAL EN271 4-01 3A002 Code letter for number of cores (see EN 2714-002, Table 1) Number of this standard Code for nominal section (see Table 1) Code letter for colour coding of cores and jacket (see EN 2714-002) NOTE
38、If necessary, the code 19005 shall be placed between the description block and the identity block. 7.2 Code designation in accordance with TR 6058, see Table 3. Type code (for short designation) Table 3 8 Identification and marking See EN 2714-002. 9 See EN 2235. Packaging, labelling and delivery lengths 10 Technical specification See EN 2235. Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
