EN 4608-004-2015 en Aerospace series - Cable electrical fire resistant - Single and twisted multicore assembly screened (braided) and jacketed - Operating temperatures between - 65.pdf

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1、BSI Standards PublicationBS EN 4608-004:2015Aerospace series Cable,electrical, fire resistant Single and twisted multicoreassembly, screened (braided)and jacketed Operatingtemperatures between 65 Cand 260 CPart 004: DW family Lightweight UVLaser printable Product standardBS EN 4608-004:2015 BRITISH

2、STANDARDNational forewordThis British Standard is the UK implementation of EN 4608-004:2015. The UK participation in its preparation was entrusted to TechnicalCommittee ACE/6, Aerospace avionic electrical and fibre optic technology.A list of organizations represented on this committee can be obtaine

3、d on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2015.Published by BSI Standards Limited 2015ISBN 978 0 580 86116 1ICS 49.060Compliance with a Br

4、itish Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 June 2015.Amendments/corrigenda issued since publicationDate T e x t a f f e c t e dEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE N

5、ORM EN 4608-004 June 2015 ICS 49.060 English Version Aerospace series - Cable, electrical, fire resistant - Single and twisted multicore assembly, screened (braided) and jacketed - Operating temperatures between - 65 C and 260 C - Part 004: DW family - Lightweight - UV Laser printable - Product stan

6、dardSrie arospatiale - Cbles lectriques blinds rsistant au feu - Simple et multifilaire blind (tresse) gain - Tempratures de fonctionnement comprises entre - 65 C et 260 C - Partie 004: Famille DW - Fil allg - Marquable laser UV - Norme de produit Luft- und Raumfahrt - Feuerbestndige elektrische Lei

7、tungen - Einzel- und mehradrig verdrillte Leitungen, geschirmt (Geflecht) und ummantelt - Betriebstemperaturen zwischen -65 C und 260 C - Teil 004: DW-Familie - Leichte Bauweise - UV-Laser bedruckbar - Produktnorm This European Standard was approved by CEN on 21 June 2014. CEN members are bound to c

8、omply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENE

9、LEC Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the

10、 same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembo

11、urg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels

12、 2015 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 4608-004:2015 EBS EN 4608-004:2015Contents Page European foreword . 3 1 Scope 4 2 Normative references 4 3 Terms and definitions . 4 4 Materials and construction . 4 4.1 Materia

13、ls . 4 4.2 Construction 5 4.3 Colour code 6 5 Required characteristics . 6 6 Tests 6 7 Quality assurance 9 8 Designation 9 8.1 Identification 9 8.2 Type code (for short designation) . 9 9 Identification and marking 9 10 Packaging, labelling and delivery lengths 9 11 Technical specification . 9 EN 46

14、08-004:2015 (E)BS EN 4608-004:2015European foreword This document (EN 4608-004:2015) has been prepared by the Aerospace and Defence Industries Association of Europe - Standardization (ASD-STAN). After enquiries and votes carried out in accordance with the rules of this Association, this Standard has

15、 received the approval of the National Associations and the Official Services of the member countries of ASD, prior to its presentation to CEN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by Dece

16、mber 2015, and conflicting national standards shall be withdrawn at the latest by December 2015. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such pate

17、nt rights. According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia,

18、France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. EN 4608-004:2015 (E)BS EN 4608-004:20151 Scope This European Standard specif

19、ies the characteristics of lightweight fire proof, screened, electrical cables for use in the on-board electrical systems of aircraft at operating temperature between 65 C and 260 C. These cables are UV Laser printable in accordance with EN 3838. 2 Normative references The following documents, in wh

20、ole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 2083, Aerospace series Copper or c

21、opper alloy conductors for electrical cables Product standard EN 2346-005, Aerospace series Cable, electrical, fire resistant Operating temperatures between 65 C and 260 C Part 005: DW family, single UV laser printable and multicore assembly Light weight Product standard EN 3475 (all parts), Aerospa

22、ce series Cables, electrical, aircraft use Test methods EN 3838, Aerospace series Requirements and 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 Opera

23、ting temperatures between 65 C and 260 C Part 001: Technical specification EN 4608-002, Aerospace series Cable, electrical, fire resistant Single and twisted multicore assembly, screened (braided) and jacketed Operating temperatures between 65 C and 260 C Part 002: General EN 9133, Aerospace series

24、Quality management systems Qualification procedure for aerospace standard parts 3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 3475-100 apply. 4 Materials and construction 4.1 Materials These cables shall consist of the following: Cores according to

25、EN 2346-005; Number of cores: 1 to 3. 2 and 3-core shall be twisted together according to EN 4608-001. EN 4608-004:2015 (E)BS EN 4608-004:2015Screen: Nickel plated copper braid; See Table 1 for strand diameter; Material according to EN 2083, tests according to EN 3475-100; Construction according to

26、EN 4608-001. Outer jacket: Sintered wrapped PTFE UV laser printable. 4.2 Construction See Table 1. Table 1 No. of core Code No. Nominal cross sectionAWG aNumber of strands Nominal diameter of strands Conductive resistance at 20 C Nominal diameter of shield strands External diameter Mass Number of mi

27、ssing strands max. max. max. mm2mm Ohm/km mm mm g/m 1 002 0,2 24 19 0,12 131,00 0,10 2,61 14,15 0 004 0,4 22 19 0,15 80,90 0,10 2,73 16,51 006 0,6 20 19 0,20 44,30 0,10 3,01 21,54 010 1,0 18 19 0,25 27,90 0,12 3,57 31,19 012 1,2 16 19 0,30 18,80 0,12 3,72 36,94 020 2,0 14 37 0,25 13,90 0,12 4,24 46,

28、40 030 3,0 12 37 0,32 8,9 0,12 4,79 62,87 2 002 For GPB 24, see EN 4608-005. 004 0,4 22 19 0,15 82,50 0,12 4,30 29,66 0 006 0,6 20 19 0,20 45,20 0,12 4,90 40,51 010 1,0 18 19 0,25 28,50 0,12 5,90 56,25 012 1,2 16 19 0,30 19,20 0,12 6,20 65,71 020 2,0 14 37 0,25 14,20 0,12 7,20 85,98 030 3,0 12 37 0,

29、32 9,1 0,12 8,30 118,48 3 002 0,2 24 19 0,12 133,60 0,12 4,40 33,61 0 004 0,4 22 19 0,15 82,50 0,12 4,50 39,15 006 0,6 20 19 0,20 45,20 0,12 5,20 54,46 010 1,0 18 19 0,25 28,50 0,12 6,20 77,01 012 1,2 16 19 0,30 19,20 0,12 6,60 90,47 020 2,0 14 37 0,25 14,20 0,15 7,80 125,75 030 3,0 12 37 0,32 9,1 0

30、,15 9,00 174,02 aClosest American Wire Gauge. EN 4608-004:2015 (E)BS EN 4608-004:20154.3 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: 2 000 Hz max. 6 Tests See Table 2. T

31、able 2 Tests (1 of 3) EN 3475- Title Details 201 Visual examination Applicable. NOTE For qualification laser marked samples are also to be tested. 202 Mass Applicable Table 1. 203 Dimensions Applicable Table 1. 301 Ohmic resistance per unit length Applicable Table 1. 302 Voltage proof test Immersion

32、 test Applicable. 302 Voltage proof test Dry test Applicable. 303 Insulation resistance Applicable. 304 Surface resistance Applicable. 305 Overload resistance Not applicable. 306 Continuity of conductors Applicable. 401 Accelerated ageing Applicable. Temperature: (310 5) C. NOTE For qualification la

33、ser marked samples are also to be tested. 402 Shrinkage and delamination Applicable. Temperature: (310 5) C. Maximum shrinkage at each end of the jacket: 2 mm on AWG 24 to 18 3 mm on AWG 16 to 12 Core: according to EN 2346. 403 Delamination and blocking Applicable. Temperature: (310 5) C. EN 4608-00

34、4:2015 (E)BS EN 4608-004:2015Table 2 (2 of 3) EN 3475- Title Details 404 Thermal shock Applicable. Temperature (260 5) C. Maximum shrinkage at each end of the jacket: 2 mm on AWG 24 to 18 3 mm on AWG 16 to 12 Core: according to EN 2346. 405 Bending at ambient temperature Applicable. NOTE For qualifi

35、cation laser marked samples are also to be tested. 406 Cold bend test Applicable. Temperature: ( 65 2) C. 407 Flammability Method 1 Applicable. Extinction time: 3 s. 408 Fire resistance Applicable. 15 min. Insulation resistance: 10 000 ohms. Load: 170 g for 004; 340 g for 006. 409 Air-excluded agein

36、g Not applicable. 410 Thermal endurance Not applicable. 411 Resistance to fluids Applicable. NOTE For qualification laser marked samples are also to be tested. 412 Humidity resistance Not applicable. 413 Wrap back test Not applicable. 414 Differential scanning calorimeter (DSC test) Applicable (only

37、 if PTFE in the construction) 415 Rapid change of temperature Not applicable. 416 Thermal stability Not applicable. 417 Fire resistance of cables confined inside a harness Not applicable. 501 Dynamic cut-through Applicable to codes 004 to 020 included. Temperature 260 C, 1 h. See Table 3. 502 Notch

38、propagation Applicable to codes 004 to 020 included. Depth notch: 0,10 mm. 503 Scrape abrasion Applicable on single core screened jacketed only. Load, see Table 3. 504 Torsion Not applicable. 505 Tensile test on conductors and strands Applicable. 506 Plating continuity Applicable. 507 Adherence of p

39、lating Applicable. 508 Plating thickness Applicable. 509 Solderability Not applicable. EN 4608-004:2015 (E)BS EN 4608-004:2015Table 2 (3 of 3) EN 3475- Title Details 510 Tensile strength and elongation of extruded insulation, sheath and jacket material Not applicable. 511 Cable-to-cable abrasion Not

40、 applicable. 512 Flexure endurance Not applicable. 513 Deformation resistance (Installation with plastic cable ties) Not applicable. 601 Smoke density Not applicable. 602 Toxicity Not applicable. 603 Resistance to wet arc tracking Not applicable. 604 Resistance to dry arc propagation Not applicable.

41、 605 Wet short circuit test Not applicable. 701 Strippability and adherence of insulation to the conductor Strippability: applicable. Adherence: not applicable. 702 Screen pushback capability Applicable. 703 Permanence of manufacturers marking Applicable. 704 Flexibility Not applicable. 705 Contrast

42、 measurement Applicable 50 %. 706 Laser markability Applicable. EN 3838 Subclause 6.2 Permanence of markings Subclause 6.5 Exposure to light Applicable. 807 Transfer impedance Applicable. Zt 60 m/m for 1 core Zt 40 m/m for 2 cores Zt 35 m/m for 3 cores Table 3 Code number Nominal cross section Test

43、501 Dynamic cut-through Test 503 Scrape abrasion Load mm2N N 20 C 260 C 002 0,25 25 8 1,5 004 0,4 45 8 3 006 0,6 55 8 3,5 010 1,0 70 10 4 012 1,2 85 10 4 020 2,0 95 12 4 030 3,0 105 12 4 EN 4608-004:2015 (E)BS EN 4608-004:20157 Quality assurance See EN 9133. 8 Designation 8.1 Identification EXAMPLE

44、Description block CABLE, ELECTRICAL, FIRE RESISTANT Identity block EN4608-004A004 Number of this standard Code letter for number of cores (see EN 4608-002) Code for nominal section (see Table 1) NOTE If necessary, the code I9005 shall be placed between the description block and the identity block. 8

45、.2 Type code (for short designation) EN references Code designation Single core UV laser printable EN4608-004A GPA 2 cores EN4608-004B GPB 3 cores EN4608-004C GPC 9 Identification and marking See EN 4608-002. (Excepted “EN“ marking, which is used in case of ASD-CERT qualification only) EXAMPLE On th

46、e outer jacket: GPB22 FRF03 Optional on cores: DWA 22 FRF03 10 Packaging, labelling and delivery lengths See EN 4608-001. 11 Technical specification See EN 4608-001. EN 4608-004:2015 (E)This page deliberately left blankThis page deliberately left blankBSI is the national body responsible for prepari

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