ASD-STAN PREN 4681-005-2014 Aerospace series Cables electric general purpose with conductors in aluminium or copper-clad aluminium Part 005 AZ family single for use in low pressure.pdf

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1、ASD-STAN STANDARD NORME ASD-STAN ASD-STAN NORM prEN 4681-005 Edition P 1 April 2014 PUBLISHED BY THE AEROSPACE AND DEFENCE INDUSTRIES ASSOCIATION OF EUROPE - STANDARDIZATION Rue Montoyer 10 - 1000 Brussels - Tel. 32 2 775 8126 - Fax. 32 2 775 8131 - www.asd-stan.org ICS: Descriptors: ENGLISH VERSION

2、 Aerospace series Cables, electric, general purpose, with conductors in aluminium or copper-clad aluminium Part 005: AZ family, single, for use in low pressure atmosphere Product standard Srie arospatiale Cbles, lectriques, dusage gnral, avec conducteurs en aluminium ou en aluminium chemis cuivre Pa

3、rtie 005: Famille AZ, fil simple, pour emploi en basse pression Norme de produit Luft- und Raumfahrt Elektrische Leitungen, zur allgemeinen Verwendung, mit Leitern aus Aluminium oder kupferbeschichtetem Aluminium Teil 005: AZ-Familie, einadrig, zur Anwendung bei niedrigem Luftdruck Produktnorm This

4、“Aerospace Series“ Prestandard has been drawn up under the responsibility of ASD-STAN (The AeroSpace and Defence Industries Association of Europe - Standardization). It is published for the needs of the European Aerospace Industry. It has been technically approved by the experts of the concerned Dom

5、ain following member comments. Subsequent to the publication of this Prestandard, 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 agree

6、ment of ASD-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 have then to implement the EN at national level by giving the EN the status of a nati

7、onal standard and by withdrawing any national standards conflicting with the EN. Edition approved for publication 1st April 2014 Comments should be sent within six months after the date of publication to ASD-STAN Electrical Domain Copyright 2014 by ASD-STAN prEN 4681-005:2014 (E) 2 Contents Page For

8、eword 2 1 Scope 3 2 Normative references 3 3 Terms, definitions and symbols . 3 4 Materials and construction . 3 5 Required characteristics . 5 6 Quality assurance 7 7 Designation 7 8 Identification and marking 8 9 Packaging, labelling and delivery lengths 8 10 Technical specification . 8 Foreword T

9、his standard was reviewed by the Domain Technical Coordinator of ASD-STANs Electrical Domain. After inquiries and votes carried out in accordance with the rules of ASD-STAN defined in ASD-STANs General Process Manual, this standard has received approval for Publication. prEN 4681-005:2014 (E) 3 1 Sc

10、ope This standard specifies the characteristics of electrical wires AZ family for use in the on board: 115 V (phase to neutral) or 200 V (phase to phase) electrical network of aircraft. 230 V (phase to neutral) or 400 V (phase to phase) electrical network of aircraft and particularly use in non-pres

11、surized areas. This cable family is used at operating temperature between 65 C and 180 C. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies.

12、For undated references, the latest edition of the referenced document (including any amendments) applies. EN 3475-100*, Aerospace series Cables, electrical, aircraft use Test methods Part 100: General EN 3719, Aerospace series Aluminium or aluminium alloy conductors for electrical cables Product sta

13、ndard EN 3838, Aerospace series Requirements and tests on user-applied markings on aircraft electrical cables EN 4681-001, Aerospace series Cables, electric, general purpose, with conductors in aluminium or copper-clad aluminium Part 001: Technical specification EN 4681-002, Aerospace series Cables,

14、 electric, general purpose, with conductors in aluminium or copper-clad aluminium Part 002: General EN 9133, Aerospace series Quality management systems Qualification procedure for aerospace standard parts TR 6058, Aerospace series Cable code identification list 1)3 Terms, definitions and symbols Fo

15、r the purposes of this document, the terms, definitions and symbols given in EN 3475-100 apply. 4 Materials and construction 4.1 Materials Conductor: These cable conductors shall be made of: Nickel plated aluminium alloy according to EN 3719 for 280 to 850 section codes. *All its parts quoted in thi

16、s standard. 1) Published as ASD-STAN Technical Report at the date of publication of this standard. http:/www.asd-stan.org/ prEN 4681-005:2014 (E) 4 Insulation: All size codes shall be defined to satisfy all required characteristics of Clause 5. The use of foamed insulation material is forbidden. To

17、minimize partial discharges effect: size and number of cavities (gas trap) inside the insulation shall be as low as possible. at minimum bend radius there shall be no wrinkles outside the insulation (EN 3475-405). Minimum bend radius shall be in accordance with bending diameter given in Table 4 of t

18、he technical specification EN 4681-001. 4.2 Construction See EN 3719 and Table 1. Table 1 Code for nominal section Nominal section AWG a Elastic limit bBreaking load bLinear resistance at 20 C External diameter Mass N N /km mm mm kg/km mm2min. min. max. min. max. max. 280 28 3 1,18 7,5 8,4 109 420 4

19、2 1 0,75 9,3 10,2 175 680 68 00 0,43 12,1 13,0 271 aAWG: closest American Wire Gauge. bThe value is for the finished wire (conductor insulation). The elastic limit is defined as the elastic limit of the finished wire for a 0,2 % wire elongation. 4.3 Number of cores This standard specifies single cor

20、es. 4.4 Colour coding of cores See EN 4681-002. prEN 4681-005:2014 (E) 5 5 Required characteristics According to EN 4681-001 and EN 3475-100. See Table 2. Table 2 (1 of 3) EN 3475- Test Details 201 Visual examination Applicable 202 Mass Applicable; see Table 1. 203 Dimensions Applicable; see 4.2 and

21、 Table 1. 301 Ohmic resistance per unit length Applicable with: immersion test 2,5 kV r.m.s (non delivered samples), dry spark test 2,5 kV r.m.s, dry impulse test 4,0 kV r.m.s. 302 Voltage proof test Applicable 303 Insulation resistance Applicable 304 Surface resistance Applicable 305 Overload resis

22、tance Not applicable 306 Continuity of conductors Applicable 307 Corona extinction voltage Applicable prior to each delivery Method B at 45.000 feet (145 mbar) and 150 C PDIV 566 Vr.m.s. (800 V peak), PDEV 509 Vr.m.s. (720 V peak). 401 Accelerated ageing Applicable Temperature (230 5) C 402 Shrinkag

23、e and delamination Applicable Temperature (230 5) C Maximum shrinkage at each end of cable: 28 mm2to 34 mm2: 2,0 mm, 42 mm2to 68 mm2: 2,5 mm. 403 Delamination and blocking Applicable temperature (230 5) C 404 Thermal shock Applicable but ( 65 2) C instead of (55 2) C Temperature (180 5) C Maximum sh

24、rinkage at each end of cable: 28 mm2to 34 mm2: 2,0 mm, 42 mm2to 68 mm2: 2,5 mm. 405 Bending at ambient temperature Applicable 406 Cold bend test Applicable Temperature ( 65 2) C 407 Flammability Applicable Extinguishing time: 3 s max. prEN 4681-005:2014 (E) 6 Table 2 (2 of 3) EN 3475- Test Details 4

25、08 Fire resistance Not applicable 409 Air-excluded ageing Not applicable 410 Thermal endurance (insulation) Applicable 10 000 h at 180 C with curve extrapolation 140 000 h at 150 C with curve reading 411 Resistance to fluids Applicable 412 Humidity resistance Applicable Method B Temperature (95 5) C

26、 Duration 360 h 413 Wrap back test Applicable 414 Differential scanning calorimeter (DSC test) Applicable (only 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 418

27、Thermal endurance for conductors Not applicable 501 Dynamic cut-through Not applicable 502 Notch propagation Applicable notch depth: 40 m 503 Scrape abrasion Applicable Test force on needle for cables 28 mm2to 68 mm2 15 N 504 Torsion Applicable T3 (180 5) C; T4 (230 5) C 505 Tensile test on conducto

28、rs and strands Applicable 506 Plating continuity Applicable 507 Adherence of plating Applicable 508 Plating thickness Applicable (Test methods 4 and 5 are preferred) 509 Solderability Not applicable 510 Tensile strength and elongation of extruded insulation, sheath and jacket material Not applicable

29、 511 Cable-to-cable abrasion Not applicable 512 Flexure endurance Not applicable 513 Deformation resistance (Installation with plastic cable ties) Not applicable 514 Porosity of copper cladding on aluminium strands Not applicable 601 Smoke density Applicable 602 Toxicity Applicable prEN 4681-005:201

30、4 (E) 7 Table 2 (3 of 3) EN 3475- Test Details 603 Resistance to wet arc tracking Not applicable 604 Resistance to dry arc propagation Not applicable 605 Wet short circuit test Not applicable 701 Strippability and adherence of insulation to the conductor Applicable 702 Screen pushback capability Not

31、 applicable 703 Permanence of manufacturers marking Applicable 704 Flexibility Applicable code Maximum force: 28 mm2: 15 N, 42 mm2: 24 N, 68 mm: 38 N. 705 Contrast measurement Not applicable 706 Laser markability Not applicable EN 3838 Laser marking Not applicable 6 Quality assurance See EN 9133. 7

32、Designation 7.1 Identification EXAMPLE Description block CABLE, ELECTRICAL Identity block EN4681-005A420K Number of this standard Code letter for number of cores (see EN 4681-002) Code for nominal section (see Table 1) Code letter for colour coding of cores (see EN 4681-002) NOTE If necessary, the c

33、ode I9005 shall be placed between the description block and the identity block. prEN 4681-005:2014 (E) 8 7.2 Type code (for short designation) Code designation in accordance with TR 6058, see Table 3. Table 3 EN reference Code designation Single core EN4681-005A AZ8 Identification and marking See EN 4681-002. 9 Packaging, labelling and delivery lengths See EN 4681-001. 10 Technical specification See EN 4681-001, except the qualification cable size shall be 420.