AECMA PREN 4608-003-2004 Aerospace series Cables electrical fire resistant Single and twisted multicore assembly screened (braided) and jacketed Operating temperature between - 65 .pdf

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1、AECMA STANDARD NORME AECMA AECMA NORM Edition approved for publication 30 April 2004 prEN 4608-003 Edition P 1 April 2004 Comments should be sent within six months after the date of publication to Electrical Domain AECMA-STAN ICs: Descriptors: ENGLISH VERSION Aerospace series Cables, electrical, fir

2、e resistant Single and twisted multicore assembly, screened (braided) and jacketed Operating temperature between - 65C and 260C Part 003: DN family - lightweight - UV Laser printable Product standard Srie arospatiale Cbles lectriques blind rsistant au feu simple et multifilaire blind (tresse) gain r

3、empratures de fonctionnement comprises entre - 65C et 260C Partie 003 : Famille DN - fil allg marquable laser UV Norme de produit Luft- und Raumfahrt Feuerbestndige elektrische Leitungen einzel- und mehradrig verdrillte Leitungen, geschirmt (Geflecht) und ummantelt Betriebstemperaturen zwischen - 65

4、C und 260C Teil 003: DN Familie - leichte Bauweise UV Laser bedruckbar Produktnorm This “Aerospace Series“ frestandard has been drawn up under the responsibility of AECMA-STAN (The European Association of Aerospace Industries - Standardization). It is published for the needs of the European Aerospac

5、e Industry. It has been technically approved by the experts of the concerned Domain following member comments. Subsequent to the publication of this frestandard, the technical content shall not be changed to an extent that interchangeabilify is affected, physically or functionally, without re-identi

6、fication of the standard. After examination and review by users and formal agreement of AECMA-STAN, it will be submitted as a draft European Standard (prEN) to CEN (European Committee for Standardization) for formal vote and transformation to full European Standard (EN). The CEN national members hav

7、e then to implement the EN at national level by giving the EN the status of a national standard and by withdrawing any national standards conflicting with the EN. Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reprod

8、uction or networking permitted without license from IHS-,-,-Page 2 prEN 4608-003:2004 Foreword This standard was reviewed by the Domain Technical Coordinator of AECMA-STANS Electrical Domain . After inquiries and votes carried out in accordance with the rules of AECMA-STAN defined in AECMA-STANS Gen

9、eral Process Manual. this standard has received approval for Publication Contents Page 1 2 3 4 4.1 4.2 4.3 5 6 7 8 9 10 11 Scope 3 Normative references 3 Definitions 3 Materials and construction . 4 Materials . 4 Construction . 4 Colour code 5 Required characteristics . 5 Tests 5 Quality assurance 7

10、 Designation 8 Identification and marking 8 Packaging. labelling and delivery lengths 8 Technical specification . 8 Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license

11、from IHS-,-,-Page 3 prEN 4608-003:2004 1 Scope This standard specifies the characteristics of a light weight fire resistant, screened, electrical cables for use in the on-board electrical systems of aircraft at operating temperature between - 65C and 260C. These cables are UV Laser printable in acco

12、rdance with EN 3838. 2 Normative references This European 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 am

13、endments 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 referred to applies (including amendments). EN 2346-004, Aerospace series - Cables, electrical, fi

14、re resistant - Operating temperatures between - 65 “C and 260 “C - Part 004 : DN family, single UV laser printable and multicore assembly - Light weight - Product standard. ) EN 3475, Aerospace series - Cables, electrical, aircraft use - Test methods. 2, EN 3838, Aerospace series - Requirements and

15、tests on user-applied markings on aircraft electrical cables. EN 4608-001, Aerospace series - Cable, electrical, fire resistant, single and twisted multicore assembly, screened (braided) and jacketed - Operating temperature between - 65C and 260C - Part I: Technical specification. 3) EN 4608-002, Ae

16、rospace series - Cable, electrical, fire resistant, single and twisted multicore assembly, screened (braided) and jacketed - Operating temperature between - 65C and 260C - Part 002 : General. 3, EN 91 33, Aerospace series - Qualify management systems - Qualification Procedure for Aerospace Standard

17、parts ) TR 6058, Aerospace series - Cable code identification list 4 3 Definitions For the purposes of this European Standard the definitions given in EN 3475-100 apply. 1) Published as AECMA Prestandard at the date of publication of this standard 2) Including all its parts 3) In preparation at the

18、date of the publication of this standard 4) Published as AECMA Technical 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

19、 license from IHS-,-,-Page 4 prEN 4608-003:2004 2,08 2,32 2,65 2,89 3,39 3,84 4,32 4,82 4 Materials and construction 4.1 Materials These cables shall consist of the following: - Cores according to EN2346-004 - Number of cores: 1 to 3 2 and 3-core shall be twisted together according to EN4608-001. Sc

20、reen: - Nickel plated copper braid - See Table 1 for strand diameter - Material according to EN 2083, tests according to EN 3475-100 2,78 17,3 3,OO 21,25 3,30 27,7 3,60 342 4,lO 43,8 4,70 31,7 5,20 40,l 5,60 49,5 - Construction according to EN 4608-001 Outer jacket: - Sintered wrapped PTFE UV laser

21、printable 4.2 Construction Table 1 No. of cores Nominal diameter of strands Conductive resistance at 20C Ohmlkm Nominal diameter of shield strands Shield External Mass diameter diameter max. max. max. Nominal Number No. max. 004 I 0,4 I 22 I 19 006 I 0.6 I 20 I 19 0,15 0.20 80,90 44,30 27,90 18,80 0

22、,lO 0.10 O O O10 I 1.0 I 18 I 19 O 0,25 0,30 0,25 0.15 0,12 0,12 O O O 13,90 82.50 0,12 0.12 O 0,20 0,25 0,30 0.25 45,20 28,50 19,20 14,20 82,50 45,20 28,50 19.20 0,12 0,12 O O O 5,30 I 6,lO I 62,5 6.30 I 7.10 I 81.2 0,12 0.12 4,09 I 54 I 41,8 4,61 I 5,5 I 53,9 O 0,15 0,20 0,12 0,12 O O O 3 5,15 I 5

23、,90 I 67,8 5.66 I 6.50 I 86.5 0,25 0,30 0,12 0.12 6.86 I 7.70 I 118.7 O 0,25 14,20 0,15 a Closest American Wire Gauge Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without licens

24、e from IHS-,-,-Page 5 prEN 4608-003:2004 4.3 Colour code See EN 4608-002 5 Required characteristics See EN 4608-001 and Table 2. - Operating temperature: + 260 “C max. continuous - Operating voltage: 600 V AC - Use frequency: 2000 Hz max. 6 Tests See Table 2. Table 2 Title EN 3475 Test No. 201 202 D

25、etails Visual examination Applicable Applicable, see Table 1 Mass 203 30 1 302 Applicable, see Table 1 Applicable, see Table 1 Dimensions Electrical resistance per unit length Voltage proof test Immersion test applicable Voltage proof test Dry test applicable 302 303 Insulation resistance Applicable

26、 Surface resistance 304 305 Applicable Not Applicable Overload resistance 40 1 Accelerated ageing Applicable Temperature: 310C k 5C Applicable Temperature: 310C k 5C Maximum shrinkage: 13 mm 402 Shrinkage and delamination 403 Delamination and blocking Applicable. Temperature: 310C k 5C Applicable Te

27、mperature 260C Maximum shrinkage : 13 mm 404 Thermal shock Bending at ambient temperature Applicable 405 continued Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license f

28、rom IHS-,-,-Page 6 prEN 4608-003:2004 Table 2 (continued) Title Details EN 3475 Test No. 406 Cold bend test Applicable Temperature: - 55C k 2C. Method 1 applicable 407 Flammability Extinction time: 3s Applicable Load : 170 g for 004 ; 340 g for 2 006 408 Fire resistance 409 Air-excluded ageing Not a

29、pplicable 41 O Thermal endurance Not applicable Resistance to fluids Applicable. 41 1 41 2 Humidity resistance Not applicable 41 3 Not applicable Wrap back test Differential scanning calorimeter (DSC test) 41 4 Not applicable Applicable to codes 004 to 020 included 50 1 Dynamic cut-through Temperatu

30、re 260C 1 hour See Table 3 Applicable to codes 004 to 020 included 502 Notch propagation Depth notch: 0,lO mm Applicable to codes 004 to 020 included Scrape abrasion 503 504 See Table 3 Torsi on Not applicable Tensile test on conductors and strands Applicable 505 506 Plating continuity Applicable Ap

31、plicable 507 508 Adherence of plating Plating thickness Applicable 509 Solderability Not applicable continued Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from I

32、HS-,-,-Page 7 prEN 4608-003:2004 EN 3475 Test No. 51 O 51 1 51 2 60 1 602 603 604 605 70 1 702 703 704 705 706 Table 2 (concluded) Title Details Tensile strength and elongation of extruded Not applicable insulation, sheath and jacket material Cable to cable abrasion Not applicable Flexure endurance

33、Not applicable Smoke density Not applicable Toxicity Not applicable Resistance to wet arc tracking Not applicable Resistance to dry arc tracking and electric Not applicable arc propagation Wet short circuit test Not applicable Strippability : applicable Strippability and adherence of insulation to A

34、dherence : not applicable the conductor Screen pushback capability Applicable Permanence of manufacturers marking Applicable Flexibility Not applicable Contrast measurement Applicable 2 50% Laser markability Applicable Code number 004 006 o1 o o1 2 020 7 Quality assurance Nominal cross Test 501 Test

35、 503 cut-through Load N section Dynamic Scrape abrasion 260C 20C (mm2) (NI 0,4 45 6 3 0,6 55 6 395 130 70 7 4 132 85 7 4 230 95 8 4 See EN 9133. Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networki

36、ng permitted without license from IHS-,-,-Page 8 prEN 4608-003:2004 8 Designation EXAMPLE Description Block Numbe CABLE, ELECTRICAL, FIRE RESISTANT of this standard - O Code for nominal section (see Table 1) Identity block EN 4608-003 II- Code letter for number of cores (see EN4608-002, Table I) NOT

37、E If necessary, the code 19005 shall be placed between the description block and the identity block. 9 Identification and marking See EN 4608-002. 10 Packaging, labelling and delivery lengths See EN 4608-001. 11 Technical specification See EN 4608-001. 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-,-,-