1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN 4608-005:2012Aerospace series Cable, electrical, fire resistant Single and twisted multicore assembly, screened (braided) and jacketed Operating temperatures between -65 C
2、and 260 CPart 005: DW family Lightweight two-core gauge 24 for data transmission UV laser printable Product StandardBS EN 4608-005:2012 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 4608-005:2012.The UK participation in its preparation was entrusted to Technic
3、alCommittee ACE/6, Aerospace avionic electrical and fibre optictechnology.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctappl
4、ication. The British Standards Institution 2012. Published by BSI StandardsLimited 2012ISBN 978 0 580 75535 4ICS 49.060Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee
5、 on 29 February 2012.Amendments issued since publicationDate Text affectedBS EN 4608-005:2012EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 4608-005 February 2012 ICS 49.060 English Version Aerospace series - Cable, electrical, fire resistant - Single and twisted multicore assembly, screened (
6、braided) and jacketed - Operating temperatures between -65 C and 260 C - Part 005: DW family - Lightweight two-core gauge 24 for data transmission - UV laser printable - Product standard Srie arospatiale - Cbles lectriques blinds rsistant au feu - Simple et multifilaire blind (tress) et gain - Tempr
7、atures de fonctionnement comprises entre - 65 C et 260 C - Partie 005: Famille DW - Fil allg bifilaire gauge 24 pour transmission de donne - Marquable laser UV - Norme de produit Luft- und Raumfahrt - Feuerbestndige elektrische Leitungen - Einzel- und mehradrig verdrillte Leitungen, geschirmt (Gefle
8、cht) und ummantelt - Betriebstemperaturen zwischen -65 C und 260 C - Teil 005: DW-Familie, leichte Bauweise, zweiadrig, Drahtdurchmessergre 24, fr Datenbertragung, UV-Laser bedruckbar - Produktnorm This European Standard was approved by CEN on 27 August 2011. CEN members are bound to comply with the
9、 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-CENELEC Management
10、 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 same status a
11、s the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Ro
12、mania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2012 CEN All rights of exploitation in any form and by any means
13、 reserved worldwide for CEN national Members. Ref. No. EN 4608-005:2012: EBS EN 4608-005:2012EN 4608-005:2012 (E) 2 Contents Page Foreword 31 Scope 42 Normative references 43 Terms and definitions .44 Materials and construction .54.1 Materials .54.2 Construction .54.3 Colour code 55 Required charact
14、eristics .56 Tests 67 Quality assurance 88 Designation 98.1 Identification .98.2 Type code (for short designation)99 Identification and marking 910 Packaging, labelling and delivery lengths 911 Technical specification .9Bibliography . 10BS EN 4608-005:2012EN 4608-005:2012 (E) 3 Foreword This documen
15、t (EN 4608-005:2012) 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 Association, this Standard has received the approval of the National Associations and the Offi
16、cial 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 August 2012, and conflicting national standards shall be withdrawn a
17、t 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 any or all such patent rights. According to the CEN/CENELEC Internal Regulations, the na
18、tional 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, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherland
19、s, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 4608-005:2012EN 4608-005:2012 (E) 4 1 Scope This European Standard specifies the characteristics of gauge 24 two-core lightweight fire proof, screened, electrical cables for dat
20、a transmission 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 whole or in part, are normatively referenced in this document and are indispensable for its applicati
21、on. 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 and copper alloys conductors for electrical cables Product standard EN 2346-005, Aerospace series Cable
22、, 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 1EN 3475 2, Aerospace series Cables, electrical, aircraft use Test methods EN 3475-100, Aerospace series Cables, electrical,
23、aircraft use Test methods Part 100: General EN 4608-001, Aerospace series Cable, electrical, fire 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, elec
24、trical, 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 Quality management systems Qualification procedure for aerospace standard parts 3 Terms and definitions For the purp
25、oses of this document, the following terms and definitions given in EN 3475-100 apply. 1Published as ASD STAN Prestandard at the date of publication of this standard. 2All parts quoted in Tables 2 and 3. BS EN 4608-005:2012EN 4608-005:2012 (E) 5 4 Materials and construction 4.1 Materials These cable
26、s shall consist of the following: Cores according to EN 2346-005 Number of cores: 2 2 cores shall be twisted together according to EN 4608-001. Screen: Nickel plated copper braid See Table 1 for strand diameter Material according to EN 2083, tests according to EN 3475-100 Construction according to E
27、N 4608-001. Outer jacket: Sintered wrapped PTFE UV laser printable 4.2 Construction Table 1 No of core Code No Nominal cross sectionAWGa Number of strands Nominal diameter of strands Conductive resistance at 20 C Nominal diameter of shield strands Shield diameter External diameter Mass Number of mis
28、sing strandsmax. max. max. max. mm2mm Ohm/km mm mm mm g/m 2 002 0,25 24 19 0,12 135,00 0,12 3,5 4,00 27,5 0 aClosest American Wire Gauge 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.
29、 Use frequency: 125 kHz maximum. BS EN 4608-005:2012EN 4608-005:2012 (E) 6 6 Tests See Table 2. Table 2 EN 3475- Test No Title Details 201 Visual examination Applicable. 202 Mass Applicable Table 1. 203 Dimensions Applicable Table 1. 301 Ohmic resistance per unit length Applicable Table 1. 302 Volta
30、ge proof test Immersion 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. 40
31、2 Shrinkage and delamination Applicable. Temperature: (310 5) C. Maximum shrinkage: 1,5 mm. 403 Delamination and blocking Applicable. Temperature: (310 5) C. 404 Thermal shock Applicable. Temperature 260 C. Maximum shrinkage: 1,5 mm. 405 Bending at ambient temperature Applicable. 406 Cold bend test
32、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 002. 409 Air-excluded ageing Not applicable. 410 Thermal endurance Not applicable. 411 Resistance to fluids Appl
33、icable. 412 Humidity resistance Not applicable. 413 Wrap back test Not applicable. (continued) BS EN 4608-005:2012EN 4608-005:2012 (E) 7 Table 2 (continued) EN 3475- Test No Title Details 414 Differential scanning calorimeter (DSC test) Not applicable. 415 Rapid change of temperature Not applicable.
34、 416 Thermal stability Not applicable. 417 Fire resistance of cable inside harness Not applicable. 501 Dynamic cut-through Applicable. Temperature 260 C, 1 hour. See Table 3. 502 Notch propagation Applicable. Depth notch: 0,10 mm. 503 Scrape abrasion Applicable. See Table 3. 504 Torsion Not applicab
35、le. 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. 510 Tensile strength and elongation of extruded insulation, sheath and jacket material Not applicable
36、. 511 Cable-to-cable abrasion Not 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 dr
37、y 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 Permanence of manufacturers marking Applicable. 704 Flexibi
38、lity Not applicable. 705 Contrast measurement Applicable 50 %. 706 Laser markability Applicable. (continued) BS EN 4608-005:2012EN 4608-005:2012 (E) 8 Table 2 (concluded) EN 3475- Test No Title Details 801 Capacitance per unit length Mutual capacitance C 85 pF/m at 100 kHz 802 Capacitance unbalance
39、Applicable 10 % at 100 kHz. 803 Capacitance variation Not applicable. 804 Velocity of propagation Applicable 100 000 km/s. 805 Characteristic impedance Applicable. Differential impedance. Zc: 120 20 % at 100 kHz. 806 Attenuation Applicable. Finished cable. A 1,6 dB/100 m at 100 kHz. 807 Transfer imp
40、edance Applicable Zt 30 m at 100 kHz 808 Cross-talk Not applicable. Table 3 Code number Nominal cross section Test 501 Dynamic cut-through Test 503 Scrape abrasion Load mm2N N 20 C 260 C002 0,25 25 3 1,5 7 Quality assurance See EN 9133. BS EN 4608-005:2012EN 4608-005:2012 (E) 9 8 Designation 8.1 Ide
41、ntification EXAMPLE Description block CABLE, ELECTRICAL, FIRE RESISTANT Identity block EN4608-005A002 Number of this European Standard Code letter for number of cores (see EN 4608-002, Table 1) Code for nominal section (see Table 1) NOTE If necessary, the code I9005 should be placed between the desc
42、ription block and the identity block. 8.2 Type code (for short designation) EN references Code designation 2 cores EN4608-005B002 GPB24 9 Identification and marking See EN 4608-002. (Excepted “EN” marking, which is used in case of AECMA-CERT qualification only) EXAMPLE On the outer jacket: GPB24 FRF
43、03 Optional on cores: DWA 24 FRF03 10 Packaging, labelling and delivery lengths See EN 4608-001. 11 Technical specification See EN 4608-001. BS EN 4608-005:2012EN 4608-005:2012 (E) 10 Bibliography EN 3838, Aerospace series Requirements and tests on user-applied markings on aircraft electrical cables
44、This page deliberately left blankBSI is the independent national body responsible for preparing British Standards and other standards-related publications, information and services. It presents the UK view on standards in Europe and at the international level. BSI is incorporated by Royal Charter. B
45、ritish Standards and other standardisation products are published by BSI Standards Limited.British Standards Institution (BSI)raising standards worldwideBSI389 Chiswick High Road London W4 4AL UKTel +44 (0)20 8996 9001Fax +44 (0)20 8996 Standards and PASs are periodically updated by amendment or re
46、vision. Users of British Standards and PASs should make sure that they possess the latest amendments or editions.It is the constant aim of BSI to improve the quality of our products and services. We would be grateful if anyone finding an inaccuracy or ambiguity while using British Standards would in
47、form the Secretary of the technical committee responsible, the identity of which can be found on the inside frontcover. Similary for PASs, please notify BSI Customer Services.Tel: +44 (0)20 8996 9001 Fax: +44 (0)20 8996 7001BSI offers BSI Subscribing Members an individual updating service called PLU
48、S which ensures that subscribers automatically receive the latest editions of British Standards and PASs.Tel: +44 (0)20 8996 7669 Fax: +44 (0)20 8996 7001Email: Buying standardsYou may buy PDF and hard copy versions of standards directly using acredit card from the BSI Shop on the website addition all orders for BSI, international and foreign standards publicationscan be addressed to BSI Customer Services.Tel: +44 (0)20 8996 9001 Fax: +44 (0)20 8996 7001Email: In response to orders for international standards, BSI will supply the British Standard implementation of the relevant
