ASD-STAN PREN 3155-071-2018 Aerospace series Electrical contacts used in elements of connection Part 071 Contacts electrical female type A crimp class S Product standard (Edition P.pdf

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1、ASD-STAN STANDARD NORME ASD-STAN ASD-STAN NORM ASD-STAN prEN 3155-071 Edition P 3 April 2018 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: 49.060 Supersedes e

2、dition P 2 of September 2013 and will supersede EN 3155-071:2014 Descriptors: ENGLISH VERSION Aerospace series Electrical contacts used in elements of connection Part 071: Contacts, electrical, female, type A, crimp, class S Product standard Luft- und Raumfahrt Elektrische Kontakte zur Verwendung in

3、 Verbindungselementen Teil 071: Elektrische Buchsenkontakte, Typ A, crimpbar, Klasse S Produktnorm Srie arospatiale Contacts lectriques utiliss dans les organes de connexion Partie 071 : Contacts lectriques, femelles, type A, sertir, classe S Norme de produit This “Aerospace Series“ Prestandard has

4、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 Domain following member comments. Subs

5、equent 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 agreement of ASD-STAN, the ASD-STAN prEN

6、 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 national standard and by

7、 withdrawing any national standards conflicting with the EN. ASD-STAN Technical Committee approves that: “This document is published by ASD-STAN for the needs of the European Aerospace Industry. The use of this standard is entirely voluntary, and its applicability and suitability for any particular

8、use, including any patent infringement arising therefrom, is the sole responsibility of the user.” ASD-STAN reviews each standard and technical report at least every five years at which time it may be revised, reaffirmed, stabilized or cancelled. ASD-STAN invites you to send your written comments or

9、 any suggestions that may arise. All rights reserved. No parts of this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of ASD-STAN. Order details:

10、E-mail: salesasd-stan.org Web address: http:/www.asd-stan.org/ Edition approved for publication 1st April 2018 Comments should be sent within six months after the date of publication to ASD-STAN Electrical Domain Copyright 2018 ASD-STAN prEN 3155-071:2018 (E) 2 Contents Page Foreword 2 1 Scope 3 2 N

11、ormative references 3 3 Terms and definitions . 4 4 Required characteristics 4 5 Designation . 11 6 Marking . 11 7 Technical specification . 11 Foreword This standard was reviewed by the Domain Technical Coordinator of ASD-STANs Electrical Domain. After inquiries and votes carried out in accordance

12、with the rules of ASD-STAN defined in ASD-STANs General Process Manual, this standard has received approval for Publication. prEN 3155-071:2018 (E) 3 1 Scope This standard specifies the required characteristics, tests and tooling applicable to female electrical contacts 071, type A, crimp, class S u

13、sed in elements of connection according to EN 3155-002. It shall be used together with EN 3155-001. The associated male contacts are defined in EN 3155-008 and EN 3155-070. 2 Normative references The following documents are referred to in the text in such a way that some or all of their content cons

14、titutes requirements of this document. 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 copper alloy conductors for electrical cables Product standard EN

15、 2242, Aerospace series Crimping of electric cables with conductors defined by EN 2083, EN 4434 and EN 2346 EN 2591 (all parts), Aerospace series Elements of electrical and optical connection Test methods EN 3155-001, Aerospace series Electrical contacts used in elements of connection Part 001: Tech

16、nical specification EN 3155-002, Aerospace series Electrical contacts used in elements of connection Part 002: List and utilization of contacts EN 3155-008, Aerospace series Electrical contacts used in elements of connection Part 008: Contacts, electrical, male, type A, crimp, class S Product standa

17、rd EN 3155-070, Aerospace series Electrical contacts used in elements of connection Part 070: Contacts, electrical, male, type A, crimp, class S Product standard EN 4165-001, Aerospace series Connectors, electrical, rectangular, modular Operating temperature 175 C continuous Part 001: Technical spec

18、ification EN 4434, Aerospace series Copper or copper alloy lightweight conductors for electrical cables Product standard (Normal and tight tolerances) ISO 8843, Aircraft Crimp-removable contacts for electrical connectors Identification system 1) SAE-AS22520, Crimping tools, wire termination, general

19、 specification for 2) SAE-AS81969, Installing and removal tools, connector electrical contact, general specification for 2) 1) Published by: ISO International Organization for Standardization http:/www.iso.ch/ 2) Published by: SAE National (US) Society of Automotive Engineers http:/www.sae.org/ prEN

20、 3155-071:2018 (E) 4 3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 3155-001 apply. ISO and IEC maintain terminological databases for use in standardization at the following addresses: IEC Electropedia: available at http:/www.electropedia.org/ ISO On

21、line browsing platform: available at http:/www.iso.org/obp 4 Required characteristics 4.1 Specific characteristics Type A contacts are for general application and class S corresponds to an operating temperature range from 65 C to 200 C. 4.2 Dimensions and mass See Figure 1 and Table 1. Dimensions an

22、d tolerances are given in millimetres and apply after surface treatment. prEN 3155-071:2018 (E) 5 0,10 General concentricity 0,08 C and D Key 1 One side only 2 Position of the first point and the maximum length of electrical contact (point at which a square ended minimum gauge pin of the same basic

23、diameter as the mating contact first engages female contact spring member). (see EN 3155-001 for active area definition) 3 Manufacturer identification 4 This dimension represents the length to allow full pin engagement 5 Clearance between sleeve and body of the contact 6 Colour bands, see Table 2 Op

24、tional shape but specified dimensions shall be respected Key 1 Female active area: see EN 3155-001 for definition. 2 First point of electrical contact (point at which a square ended minimum gauge pin of the same basic diameter as the mating contact first engages female contact spring member). (see E

25、N 3155-001 for active area definition). Detail Y Figure 1 Connector contact (1 of 2) prEN 3155-071:2018 (E) 6 Detail W for 2222 version Detail W for 2220 version Figure 1 Connector contact (2 of 2) Table 1 Connector contact Size A B C D E F G J K P S T Mass g Contact Barrel min. max. min. max. 22 22

26、 0,78 1,80 1,75 1,22 1,17 0,90 0,85 0,56 0,46 1,57 3,99 3,58 0,13 0,08 3,28 3,10 6,02 5,87 7,34 7,09 1,19 50 44 0,13 22 20 0,78 1,80 1,75 1,50 1,45 1,12 1,09 0,56 0,46 1,57 3,99 3,58 0,11 0,05 3,28 3,10 6,02 5,87 7,34 7,09 1,19 50 44 0,13 4.3 Marking by colour code See Table 2. Table 2 Marking by co

27、lour code Colour identification bands according to ISO 8843 Size Contact Barrel Band 1 Band 2 a 22 22 Green Green 22 20 Green Red As an alternative, when the two band colours are the same, only one band of 2 mm width nominal can be applied. a The width of the band 2 shall be twice the width of the b

28、and 1. prEN 3155-071:2018 (E) 7 4.4 Material, surface treatment Body material: copper alloy. Surface treatment: gold on an appropriate undercoat, thickness of protection see EN 3155-001, selective protection permitted. 4.5 Permissible cables See Table 3. Table 3 Permissible cables Size Size of condu

29、ctors Rated test current A Contact Barrel ASD code Section mm AWG a 22 22 004 0,40 22 5 002 0,25 24 3 001 0,15 26 2 22 20 006 0,60 20 5 004 0,40 22 5 002 0,25 24 3 a AWG Closest American Wire Gauge. 4.6 Tooling 4.6.1 Crimping tools Conform to SAE-AS22520, see Table 4. The qualification selector numb

30、ers used for crimping copper or copper alloy conductors in cables EN 2083 and EN 4434 are indicated in Table 4. It is the responsibility of the user if the parameters in Table 4 are changed for service use. Table 4 Crimping tools Contact Cable size Tool M22520/1-01 Tool M22520/2-01 Tool M22520/7-01

31、Contact size Barrel size ASD code AWG a Positioner Selector number Positioner Selector number Positioner Selector number 22 22 001 26 Not applicable M22520/2-06 2 M22520/7-06 1 002 24 3 2 004 22 4 3 22 20 002 24 Not applicable M22520/2-06 2 M22520/7-06 1 004 22 4 3 006 20 6 4 a AWG Closest American

32、Wire Gauge. prEN 3155-071:2018 (E) 8 4.6.2 Insertion/Extraction tools Conform to SAE-AS81969. See Table 5. Table 5 Insertion/Extraction tools Size Insertion tools Extraction tools Contact Barrel Wired contact Unwired contact 22 22 M81969/14-01 M81969/14-01 M81969/30-08 22 20 M81969/14-01 M81969/14-0

33、1 4.7 Cable stripping See Table 6. Table 6 Cable stripping Size Stripped length of cable mm 0,5 Contact Barrel 22 22 4 22 20 4 4.8 Tests Contacts shall be fitted in EN 4165 modules for size 22 contacts, with mated rear accessories for tests in accordance with EN 3155-001. Suitable tooling or connect

34、or will be used specifically for tests EN 2591-301 and EN 2591-305 to test at the maximum temperature of + 200 C. Contact to be crimped on conductor as per EN 2083 or EN 4434 code D. See Tables 7 and 8. prEN 3155-071:2018 (E) 9 Table 7 Tests (1 of 2) EN 2591- Designation of the test Not applicable A

35、pplicable According to EN 3155-001 Remarks 101 Visual examination X 102 Examination of dimensions and mass X See 4.2. 201 Contact resistance - low level X 202 Contact resistance at rated current X 203 Electrical continuity at microvolt level X 204 Discontinuity of contacts in the microsecond range X

36、 206 Measurement of insulation resistance X 207 Voltage proof test X 210 Electrical overload X 211 Capacitance X 212 Surface transfer impedance X 213 Shielding effectiveness from 100 MHz to 1 GHz X 220 Contact/conductor joint ageing by current and temperature cycling X 221 Voltage Standing Wave Rati

37、o (VSWR) X 222 Insertion Loss (I.L) X 223 Measurement of characteristic impedance of a coaxial connector or contact X 301 Endurance at temperature X T (200 2) C Duration: 1 000 h 305 Rapid change of temperature X TA (200 +5/0) C TB (-65 0/-5) C 306 Mould growth X 307 Salt mist X 315 Fluid resistance

38、 X 316 Ozone resistance X 319 Gastightness of solderless wrapped connections X 402 Shock X As per EN 4165-001 following EN 2591-402 prEN 3155-071:2018 (E) 10 Table 7 Tests (2 of 2) EN 2591- Designation of the test Not applicable Applicable According to EN 3155-001 Remarks 403 Sinusoidal and random v

39、ibration X As per EN 4165-001 following EN 2591-403 406 Mechanical endurance X 415 Test probe damage (female contacts) X 416 Contact bending strength X 417 Tensile strength (crimped termination) X Min values: see EN 2242 except for cable of AWG 20 70 N 418 Gauge insertion/extraction forces (female c

40、ontacts) X 424 Stripping force, solderless wrapped connections X 425 Unwrapping capability, solderless wrapped connections X 501 Soft solderability X 502 Restricted entry X 503 Contact deformation after crimping X 507 Plating porosity X 508 Measurement of thickness of coating on contacts X The measu

41、red thickness shall be recorded. 509 Adhesion of coating on contacts X 513 Magnetic permeability X 2 514 Solderability of contacts with self-contained solder and flux X Table 8 Contact size Module Reference connector Accessories 22 EN4165A20A22*B EN4165 * * * * * * EN4165 * * * * * prEN 3155-071:201

42、8 (E) 11 See Figure 2. Above non blank cavities shall be wired. Figure 2 Suitable module arrangement 4.9 Gauges See EN 3155-001. 5 Designation EXAMPLE Description block CONTACT, ELECTRICAL Identity block EN3155-071F2220 Number of this standard Type of contact and identification code F: Female Contact size (see Table 1) Barrel size (see Table 1) NOTE If necessary, the code I9005 shall be placed between the description block and the identity block. 6 Marking See EN 3155-001. 7 Technical specification See EN 3155-001.