AECMA PREN 2346-004-2001 Aerospace Series Cable Electrical Fire Resistant Operating Temperatures between -65 Degrees C and 260 Degrees C Part 004 DN Family Single UV Laser Printabl.pdf

1、AECMA STANDARD NORME AECMA AECMA NORM Edition approved for publication 2001-11-30 prEN 2346-004 Edition P 1 November 2001 Comments should be sent within six months after the date of publication to AECMA-STAN Mr Pezzetta Gulledelle 94 Electrical Domain 8-1200 BRUXELLES PUBLISHED BY THE EUROPEAN ASSOC

2、IATION OF AEROSPACE INDUSTRIES - STANDARDIZATION (AECMA-STAN) Gulledelle 94 - B-1200 BRUXELLES - Tel. (+32) 2 775 81 10 - Fax. (+32) 2 775 81 11 ICs: 49.060 Descriptors: ENGLISH VERSION Aerospace series Cable, electrical, fire resistant Operating temperatures between - 65 “C and 260 OC Part 004: DN

3、family, single UV laser printable and multicore assembly Light weight Product standard Srie arospatiale Cbles lectriques rsistant au feu Tempratures de fonctionnement comprises entre - 65 “C et 260 “C Partie 004 : Famille DN, fil simple rnarquable au laser UV et lments assembls Version allge Norme d

4、e produit Luft- und Raumfahrt Feuerbestndige elektrische Leitungen Betriebstemperaturen zwischen - 65 “C und 260 OC Teil 004: DN-Familie, ein-und mehradrige Leitungen UV-laser bedruckbar Gewichtsoptimiert Produktnorrn This “Aerospace Series“ Prestandard has been drawn up under the responsibility of

5、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 technically approved by the experts of the concerned Domain following member comments. Subsequent to the publication of this P

6、restandard, 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 review by users and formal agreement of AECMA-STAN it will be submitted as a draft European Standard t

7、o CEN (European Committee for Standardization) for formal vote. 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 2 prEN 2346-004: 2001 Contents 1 2

8、 3 4 4.1 4.2 4.3 4.4 5 6 7 8 9 10 11 Scope . Normative references . . . Construction . . . Required characteristics . Quality assurance . Identification and marking Tests Packaging, labelling and delivery lengths Page 3 3 3 3 3 4 4 4 4 5 7 7 7 7 7 Copyright Association Europeene des Constructeurs de

9、 Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Page 3 prEN 2346-004: 2001 1 Scope This standard specifies the characteristics of light weight fire resistant, unscreened, electrical cables for use in the

10、 on-board electrical systems of aircraft at operating temperature between - 65 “C and 260 “C. Single core is UV laser printable in accordance with EN 3838; UV laser markability is not mandatory for multicore cables. 2 Normative references This European Standard incorporates by dated or undated refer

11、ence 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 Standard only when incorporat

12、ed in it by amendment or revision. For undated references the latest edition of the publication referred to applied. IEC 28: 1925 EN 2234 EN 2346-002 EN 3042 EN 3475 * EN 3475-100 EN 3838 EN 4608-001 International standard of resistance for copper Aerospace series - Cable, electrical, fire resistant

13、 - Technical specification 1) Aerospace series - Cable, electrical, fire resistant - Operating temperatures between - 65 “C and 260 “C - Part 002: General 1) Aerospace series - Quality assurance - EN aerospace products - Qualification procedure Aerospace series - Cables, electrical, aircraft use -Te

14、st methods Aerospace series - Cables, electrical, aircraft use - Test methods - Part 100: General 1) Aerospace series - Requirements and tests on user-applied markings on aircraft electrical cables 1) Aerospace series - Cables, electrical, fire resistant - Single and multicore assembly, screened and

15、 jacketed - Operating temperature between - 65 “C and 260 “C - Part O01 : Technical specification 2) 3 Definitions For the purposes of this standard, the definitions given in EN 3475-1 O0 apply. 4 Materials and construction 4.1 Materials Conductors: Individual strands used for the conductors shall b

16、e cylindrical and shall be: - of nickel clad copper alloy for nominal cross sections of 0,4 mm2 (004); - of nickel clad copper for nominal cross sections 1 0,6 mm2 (006). The copper shall meet the requirements of IEC 28 and the copper alloy the requirements of EN 2234. Insulation: The insulation sha

17、ll comply with the requirements of EN 2234. * And ali its parts quoted in this standard 1) Published at AECMA Prestandard at the date of publication of this standard 2) In preparation at the date of publication of this standard Copyright Association Europeene des Constructeurs de Materiel Aerospatia

18、l Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Page 4 prEN 2346-004: 2001 Conductive Conductor Nominal Number diameter resistance at 20 “C of strands strands rnrn Q/km mm max. max. , 22 19 0,15 80,90 0,80 20 19 0,20 44,30

19、1 ,O4 18 19 0,25 27,90 1,29 16 19 0,30 18.80 133 14 37 0,25 13,90 1,82 22 19 0,15 82.5 0,80 20 19 0,20 45,2 1 ,O4 18 19 0,25 28.5 1,29 16 19 0,30 19,2 153 14 37 0,25 14,2 1,82 22 19 0,15 82.5 0,80 20 19 0,20 45,2 1 ,O4 18 19 0,25 28.5 1,29 16 19 0,30 19,2 133 14 37 0,25 14,2 1,82 diameter AWG of 4.2

20、 Construction See table I. Number of External Diameter Mass missing strands mm mm glrn min. max. rnax. 1.60 1,75 6,8 O 1.83 2,OO 9,9 O 2.06 2,25 13,7 O 2.29 2,60 18,9 O 2.77 3,lO 25,9 O 3.36 3,50 14,2 O 3.84 4,OO 20,5 O 4.34 4,60 28,5 O 4.82 5,lO 37,7 O 5.82 6,lO 52,8 O 3.61 3,80 21,2 O 4.13 4,40 30

21、,8 O 4.67 4,90 42,8 O 5.18 5,50 56,5 O 6.26 6,60 79,l O No of core I mm2 Nominal code cross number section 004 006 2 o1 o 012 020 004 006 3 O10 o1 2 020 2,o Table 1 I a Closest American Wire Gauge I 4.3 Colour code See EN 2346-002. 4.4 Number of cores See EN 2346-002. See EN 4608-001 for assembly. 5

22、 Required characteristics See EN 2234 and table 2. - operating temperature: 260 “C max. continuous - operating voltage: 600 VA, - ose frequency: 2 O00 Hz max. Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproducti

23、on or networking permitted without license from IHS-,-,-Page 5 prEN 2346-004: 2001 Designation of the test Visual examination Mass Dimensions 6 Tests Remarks Applicable Applicable Table I Applicable Table 1 See table 2. Voltage proof test - Dry test Insulation resistance Surface resistance Table 2 A

24、pplicable EN 2234 Applicable EN 2234 Applicable EN 2234 EN 3475- Overload resistance Accelerated ageing Shrinkage and delamination Delamination and blocking Thermal shock Bending at ambient temperature Cold bend test Flammability - Method 1 Fire resistance Air-excluded ageing Thermal endurance Resis

25、tance to fluids Humidity resistance Wrap back test Differential scanning calorimeter (DSC test) Dynamic cut-through Notch propagation Scrape abrasion 201 a 202 a - Applicable to code 006 EN 2234 Ti = (310 f 5) “C T2 = (450 I 5) “C Applicable EN 2234 Temperature: (310 f 5) “C Applicable Temperature:

26、(310 f 5) “C Maximum shrinkage: 13 mm Applicable EN 2234 Temperature: (310 k 5) “C Applicable EN 2234 Temperature: 260 “C Max. shrinkage: 13 mm Applicable EN 2234 Applicable EN 2234 Temperature: (- 55 f 2) “C Applicable EN 2234 Extinction time: 3 s Applicable Load 170 g for 004,340 g for 2 006 Appli

27、cable Temperature: (180 f 5) “C - 336 h Applicable EN 2234.40 O00 h at 260 “C Applicable EN 2234 Not applicable Applicable Not applicable Applicable to codes 004 to 020 included Temperature 260 “C I hour. See table 3. Applicable to codes 004 to 020 included Depth notch: 0,25 mm Applicable to codes 0

28、04 to 020 included See table 3. 301 a 302 a 302 a 303 a 304 a 305 a 401 a 402 a 403 a 404 a 405 a 406 a 407 a 408 409 a 410 a 411 a 412 a 413 a 414 a 501 a 502 a 503 a continued Electrical resistance per unit length Voltage proof test - Immersion test I Amlicable EN 2234 Copyright Association Europe

29、ene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Page 6 prEN 2346-004: 2001 Designation of the test Torsion Tensile test on conductors and strands Plating continuity Adherence of p

30、lating Plating thickness EN 3475- Remarks Applicable to codes 004 to 020 included T3 = (260 f 5) “C T4 = (275 f 5) “C Applicable Applicable Applicable Applicable 504 a - Not applicable 505 a 512 a 601 a 602 a 506 a Flexure endurance Smoke density Toxicity 507 a 508 a 702 a 703 a 704 a 705 a 706 Tabl

31、e 2 (concluded) Braid sreen pushback capability Not applicable Permanence of manufacturers marking Applicable Flexibility Not applicable Contrast measurement Laser markability Applicable Applicable 2 50 % to single core Not applicable to multicore I 509 a I Solderability I 510a Tensile strength and

32、elongation of extruded insulation, sheath and jacket material I 51 1 a 1 Cable to cable abrasion 603 a Resistance to wet ark arc tracking 605 a Wet short circuit test 701 Strippability and adherence of insulation to the conductor Not applicable Not applicable Not applicable Not applicable Not applic

33、able Applicable Wire damage I70 mm 75 % of collateral wires must pass the wet dielectric voltage proof test Applicable Wire damage I70 mm 75 % of collateral wires must pass the wet dielectric voltage proof test Applicable Wire damaae I70 mm (EN 3475-302) (EN 3475-302) Strippability applicable Adhere

34、nce not applicable 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 7 prEN 2346-004: 2001 Code number 004 006 O10 012 020 Table 3 EN 3475-503 EN 34

35、75-501 Nominal cross section Scrape abrasion Dynamic cut-through mm2 20 “C 260 “C 0,4 45 6 3 0,6 55 6 335 1 ,o 70 7 4 192 a5 7 4 210 95 8 4 Description block FIRE RESISTANT ELECTRICAL CABLE 7 Quality assurance 0 SeeEN3042. Identity block EN2346-004A004 8 Designation EXAMPLE: I- Number of this standa

36、rd Code for number of cores (see EN 2346-002, table 1) Code for nominal section (see table 1) 9 Identification and marking See EN 2346-002. 10 Packaging, labelling and delivery lengths See EN 2234. I1 Technical specification See EN 2234. 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-,-,-