1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN 4608-003:2012Aerospace series Cable, electrical, fire resistant Single and twisted multicore assembly, screened (braided) and jacketed Operating temperatures between -65 C
2、and 260 CPart 003: DN family Lightweight UV Laser printable Product standardBS EN 4608-003:2012 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 4608-003:2012. The UK participation in its preparation was entrusted to T e c h n i c a l Committee ACE/6, Aerospace a
3、vionic electrical and fibre optic technology.A list of organizations represented on this committee can be obtained 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 Stand
4、ards Institution 2012Published by BSI Standards Limited 2012ISBN 978 0 580 53317 4 ICS 49.060 Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 March 2012.Amend
5、ments issued since publicationDate T e x t a f f e c t e dBS EN 4608-003:2012EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 4608-003 February 2012 ICS 49.060 English Version Aerospace series - Cable, electrical, fire resistant - Single and twisted multicore assembly, screened (braided) and jac
6、keted - Operating temperatures between -65 C and 260 C - Part 003: DN family - Lightweight - UV Laser printable - Product standardSrie arospatiale - Cbles lectriques blinds rsistant au feu - Simple et multifilaire blind (tress) et gain - Tempratures de fonctionnement comprises entre - 65 C et 260 C
7、- Partie 003: Famille DN - Fil allg - Marquable laser UV - Norme de produit Luft- und Raumfahrt - Feuerberstndige elecktrische Leitungen - Einzel- und mehradrig verdrillte Leitungen, geschirmt (Geflecht) und ummantelt - Betriebstemperaturen zwischen -65 C und 260 C - Teil 003: DN Familie - leichte B
8、auweise - UV Laser bedruckbar - Produktnorm This European Standard was approved by CEN on 27 August 2011. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteratio
9、n. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC 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
10、translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, F
11、inland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EU
12、ROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2012 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 4608-003:2012: EBS EN 4608-003:2012EN 4608-003:2012 (E) 2 Contents Page Foreword 31 Scope 42 Nor
13、mative references 43 Terms and definitions .44 Materials and construction .44.1 Materials .44.2 Construction .54.3 Colour code 65 Required characteristics .66 Tests 67 Quality assurance 88 Designation 99 Identification and marking 910 Packaging, labelling and delivery lengths 911 Technical specifica
14、tion .9Bibliography . 10BS EN 4608-003:2012EN 4608-003:2012 (E) 3 Foreword This document (EN 4608-003:2012) 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 Associa
15、tion, this Standard has 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
16、, at the latest by August 2012, and conflicting national standards shall be withdrawn at the latest by August 2012. 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 a
17、ny or all such patent 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, France, Germany, Gre
18、ece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 4608-003:2012EN 4608-003:2012 (E) 4 1 Scope This European Standard specifies the character
19、istics of a light weight fire resistant, 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 referenced document, 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 2346-004, Aerospace series Cable,
21、electrical, fire 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 methods1)EN 4608-001, Aerospace series Cable, electrical, fir
22、e resistant Single and twisted multicore assembly, screened (braided) and jacketed Operating 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
23、Operating temperatures between - 65 C and 260 C Part 002: General EN 9133, Aerospace series Quality management systems Qualification procedure for aerospace standard parts 3 Terms and definitions For the purposes of this document, the definitions given in EN 3475-100 apply. 4 Materials and construct
24、ion 4.1 Materials These cables shall consist of the following: Cores according to EN 2346-004 Number of cores: 1 to 3 2 and 3-core shall be twisted together according to EN 4608-001. 1)Including all its partsBS EN 4608-003:2012EN 4608-003:2012 (E) 5 Screen: Nickel plated copper braid See Table 1 for
25、 strand diameter Material according to EN 2083, tests according to EN 3475-100 Construction according to EN 4608-001. Outer jacket: Sintered wrapped PTFE UV laser printable 4.2 Construction Table 1 No. of cores Code No. Nominal cross section (mm2) AWG aNumber of strands Nominaldiameterof strands (mm
26、) Conductiveresistance at 20COhm/km max. Nominaldiameterof shieldstrands (mm) Shield diameter max. (mm) External diameter max. (mm) Mass max. (g/m) Number of missing strands 1 004 0,4 22 19 0,15 80,90 0,10 2,08 2,78 17,3 0 006 0,6 20 19 0,20 44,30 0,10 2,32 3,00 21,25 0 010 1,0 18 19 0,25 27,90 0,12
27、 2,65 3,30 27,7 0 012 1,2 16 19 0,30 18,80 0,12 2,89 3,60 34,2 0 020 2,0 14 37 0,25 13,90 0,12 3,39 4,10 43,8 0 2 004 0,4 22 19 0,15 82,50 0,12 3,84 4,70 31,7 0 006 0,6 20 19 0,20 45,20 0,12 4,32 5,20 40,1 0 010 1,0 18 19 0,25 28,50 0,12 4,82 5,60 49,5 0 012 1,2 16 19 0,30 19,20 0,12 5,30 6,10 62,5
28、0 020 2,0 14 37 0,25 14,20 0,12 6,30 7,10 81,2 0 3 004 0,4 22 19 0,15 82,50 0,12 4,09 5,0 41,8 0 006 0,6 20 19 0,20 45,20 0,12 4,61 5,5 53,9 0 010 1,0 18 19 0,25 28,50 0,12 5,15 5,90 67,8 0 012 1,2 16 19 0,30 19,20 0,12 5,66 6,50 86,5 0 020 2,0 14 37 0,25 14,20 0,15 6,86 7,70 118,7 0 aClosest Americ
29、an Wire Gauge BS EN 4608-003:2012EN 4608-003:2012 (E) 6 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 EN 3475 Test No. Title D
30、etails 201 Visual examination Applicable202 Mass Applicable, see Table 1 203 Dimensions Applicable, see Table 1 301 Electrical resistance per unit length Applicable, see Table 1 302 Voltage proof test Immersion test applicable 302 Voltage proof test Dry test applicable 303 Insulation resistance Appl
31、icable 304 Surface resistance Applicable 305 Overload resistance Not Applicable 401 Accelerated ageing Applicable Temperature: 310C 5C 402 Shrinkage and delamination Applicable Temperature: 310C 5C Maximum shrinkage: 1,5 mm 403 Delamination and blocking Applicable. Temperature: 310C 5C 404 Thermal s
32、hock Applicable Temperature 260C Maximum shrinkage: 1,5 mm 405 Bending at ambient temperature Applicable (continued) BS EN 4608-003:2012EN 4608-003:2012 (E) 7 Table 2 (continued) EN 3475 Test No. Title Details 406 Cold bend test Applicable Temperature: 55 C 2 C. 407 Flammability Method 1 applicable
33、Extinction time: 3 s 408 Fire resistance Applicable Load : 170 g for 004 ; 340 g for 006 409 Air-excluded ageing Not applicable 410 Thermal endurance Not applicable 411 Resistance to fluids Applicable. 412 Humidity resistance Not applicable 413 Wrap back test Not applicable 414 Differential scanning
34、 calorimeter (DSC test) Not applicable 501 Dynamic cut-through Applicable to codes 004 to 020 included Temperature 260 C 1 hour See Table 3 502 Notch propagation Applicable to codes 004 to 020 included Depth notch: 0,10 mm 503 Scrape abrasion Applicable to codes 004 to 020 included See Table 3 504 T
35、orsion Not applicable 505 Tensile test on conductors and strands Applicable 506 Plating continuity Applicable 507 Adherence of plating Applicable 508 Plating thickness Applicable 509 Solderability Not applicable (continued) BS EN 4608-003:2012EN 4608-003:2012 (E) 8 Table 2 (concluded) EN 3475 Test N
36、o. Title Details 510 Tensile strength and elongation of extruded insulation, sheath and jacket material Not applicable 511 Cable to cable abrasion Not applicable 512 Flexure endurance Not applicable 601 Smoke density Not applicable 602 Toxicity Not applicable 603 Resistance to wet arc tracking Not a
37、pplicable 604 Resistance to dry arc tracking and electric arc propagation Not applicable 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 Permane
38、nce of manufacturers marking Applicable 704 Flexibility Not applicable 705 Contrast measurement Applicable 50% 706 Laser markability Applicable Table 3 Code number Nominal cross section (mm2) Test 501Dynamic cut-through (N) Test 503 Scrape abrasion Load N 20 C 260 C 004 0,4 45 6 3 006 0,6 55 6 3,5 0
39、10 1,0 70 7 4 012 1,2 85 7 4 020 2,0 95 8 4 7 Quality assurance See EN 9133. BS EN 4608-003:2012EN 4608-003:2012 (E) 9 8 Designation EXAMPLE Description block CABLE, ELECTRICAL, FIRE RESISTANT Identity block EN4608-003A004 Number of this standard Code letter for number of cores (see EN 4608-002, Tab
40、le 1) Code for nominal section (see Table 1) NOTE If necessary, the code I9005 should 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
41、. BS EN 4608-003:2012EN 4608-003:2012 (E) 10 Bibliography EN 3838, Aerospace series Requirements and tests on user-applied markings on aircraft electrical cables TR 6058, Aerospace series Cable code identification list 22Published as ASD STAN Technical Report at the date of publication of this Europ
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