ASD-STAN PREN 3155-027-2018 Aerospace series Electrical contacts used in elements of connection Part 027 Contacts electrical female type A crimp class R Product standard (Edition P.pdf

1、ASD-STAN STANDARD NORME ASD-STAN ASD-STAN NORM ASD-STAN prEN 3155-027 Edition P 4 February 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: Supersedes issue

2、 P 3 of February 2014 and will supersede EN 3155-027:2015 Descriptors: ENGLISH VERSION Aerospace series Electrical contacts used in elements of connection Part 027: Contacts, electrical, female, type A, crimp, class R Product standard Luft- und Raumfahrt Elektrische Kontakte zur Verwendung in Verbin

3、dungselementen Teil 027: Elektrische Buchsenkontakte, Typ A, crimpbar, Klasse R Produktnorm Srie arospatiale Contacts lectriques utiliss dans les organes de connexion Partie 027 : Contacts lectriques, femelles, type A, sertir, classe R Norme de produit This “Aerospace Series“ Prestandard has been dr

4、awn 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. Subsequent

5、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 will b

6、e 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 withdr

7、awing 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 use, in

8、cluding 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 any su

9、ggestions 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: E-mail:

10、 salesasd-stan.org Web address: http:/www.asd-stan.org/ Edition approved for publication 1st February 2018 Comments should be sent within six months after the date of publication to ASD-STAN Electrical Domain Copyright 2018 ASD-STAN prEN 3155-027:2018 (E) 2 Contents Page Foreword 2 1 Scope 3 2 Norma

11、tive references 3 3 Terms and definitions . 3 4 Requirements . 3 5 Designation . 12 6 Marking . 13 7 Technical specification . 13 Foreword This standard was reviewed by the Domain Technical Coordinator of ASD-STANs Electrical Domain. After inquiries and votes carried out in accordance with the rules

12、 of ASD-STAN defined in ASD-STANs General Process Manual, this standard has received approval for Publication. prEN 3155-027:2018 (E) 3 1 Scope This standard specifies the required characteristics and tests applicable to female electrical contacts 027, type A, crimp, class R, used in elements of con

13、nection according to EN 3155-002. The associated male contacts are defined in EN 3155-026. 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.

14、 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 standard0F EN 2591 (all parts), Aerospace series Elements of electrical and optical connection Test m

15、ethods EN 3155-001, Aerospace series Electrical contacts used in elements of connection Part 001: Technical specification EN 3155-002, Aerospace series Electrical contacts used in elements of connection Part 002: List and utilization of contacts EN 3155-026, Aerospace series Electrical contacts used

16、 in elements of connection Part 026: Contacts, electrical, male, type A, crimp, class R Product standard EN 3682-001, Aerospace series Connectors, plug and receptacle, electrical, rectangular, interchangeable insert type, rack to panel, operating temperature 150 C continuous Part 001: Technical spec

17、ification EN 4434, Aerospace series Copper or copper alloy lightweight conductors for electrical cables Product standard (normal and tight tolerances) SAE-AS22520, Crimping tools, wire termination, general specification for 1) SAE-AS81969, Installing and removal tools, connector electrical contact,

18、general specification for 1) ISO 8843, Aircraft Crimp-removable contacts for electrical connectors Identification system 2) 3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 3155-001 apply. 4 Requirements 4.1 Specific characteristics Type A contacts are

19、 for general application and class R corresponds to operating temperature range from 65 C to 150 C. 1) Published by: SAE National (US) Society of Automotive Engineers, http:/www.sae.org/ 2) Published by: ISO International International Standardisation Organisation, http:/www.iso.ch/ prEN 3155-027:20

20、18 (E) 4 4.2 Dimensions and mass See Figure 1 to Figure 3 and Table 1. Dimensions and tolerances are given in millimetres and apply after surface treatment. 0,05 General concentricity. Contact size 22 and 20 0,05 A 0,05 B Contact size 16 and 12 0,05 A 0,05 B Detail Y Key 1 One side only 2 Colour ban

21、ds, see Table 2 3 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 diameter as the mating contact first engages the female contact spring member) (See EN 3155-001 for active area definition) 4 This dimension r

22、epresents the length to allow full pin engagement. 5 The max. entry diameter shall be compliant with the value defined in EN 3155-001 test EN 2591-502 restricted entry. 6 Female active area: See EN 3155-001 for definition. NOTE No sharp angle on the front side of the contact shoulder. Figure 1 6 prE

23、N 3155-027:2018 (E) 5 Key 1 Chamfer or radius Figure 2 Barrel, contacts 22-22 (optional) Key 1 Colour bands, see Table 2 2 Chamfer or radius Figure 3 Barrel, contacts 12-12, 16-16 and 20-20 (optional) prEN 3155-027:2018 (E) 6 Table 1 Size A B C D E G H J K M Contact Barrel min. max. max. min. 22 22

24、1,32 1,27 0,95 0,86 1,78 1,73 1,56 1,50 0,79 1,19 1,04 0,56 0,46 0,05 0,08 20 20 1,73 1,65 1,17 1,09 2,13 2,08 1,88 1,73 1,05 1,47 1,32 0,84 0,64 0,05 0,08 2,72 16 16 2,62 2,57 1,73 1,68 3,40 3,30 2,87 2,69 1,63 2,29 2,03 1,07 0,91 0,08 0,13 3,81 12 12 3,84 3,76 2,59 2,49 4,83 4,72 4,09 4,01 2,43 3,

25、56 3,30 1,07 0,91 0,08 0,13 3,81 Size N P S T U X Z AA FF Mass g max. Contact Barrel min. max. min. 22 22 4,19 3,43 6,02 5,87 10,41 10,19 7,11 1,09 0,86 0,74 4,09 3,35 1,09 0,16 20 20 4,83 3,81 4,19 3,94 19,05 18,92 8,26 1,04 0,86 0,74 1,75 1,37 1,83 1,68 1,42 0,37 16 16 7,37 6,35 6,53 6,22 18,24 18

26、,03 11,89 1,52 1,22 1,12 2,11 1,75 2,82 2,72 2,18 0,76 12 12 7,37 6,35 6,53 6,22 18,24 18,03 11,89 1,52 1,22 1,12 2,11 1,75 4,01 3,94 2,95 1,60 4.3 Marking by colour code See Table 2. prEN 3155-027:2018 (E) 7 Table 2 Marking by colour code Colour identification bands according to ISO 8843 Size Conta

27、ct Barrel Band 1 Band 2 a 22 22 Green Green 20 20 Red Red 16 16 Blue Blue 12 12 Yellow Yellow As an alternative, when the two band colours are the same, one 2 mm minimum width colour band shall be applied. a The width of the band 2 shall be twice the width of the band 1. 4.4 Material, surface treatm

28、ent Body material : copper alloy. Surface treatment : gold on appropriate undercoat, thickness of protection see EN 3155-001, selective plating permitted. 4.5 Permissible cables See Table 3. prEN 3155-027:2018 (E) 8 Table 3 Permissible cables Size Size of conductors Rated test current A Contact Barr

29、el ASD code Section mm2 AWG a 22 22 004 0,40 22 5 002 0,25 24 3 001 0,15 26 2 20 20 006 0,60 20 7,5 004 0,40 22 5 002 0,25 24 3 16 16 012 1,2 16 13 010 1,0 18 11 006 0,6 20 7,5 12 12 030 3 12 23 020 2 14 17 a AWG Closest American Wire Gauge. 4.6 Tooling 4.6.1 Crimping tools Conform to SAE-AS22520. S

30、ee Table 4. The qualification selector numbers used for crimping copper or copper alloy conductors in cables EN 2083 or EN 4434 are indicated in Table 4. It is the user responsibility if the parameters in Table 4 are changed for service use. prEN 3155-027:2018 (E) 9 Table 4 Crimping tools Contact Ca

31、ble size Tools M22520/1-01 Tools M22520/2-01 Tools M22520/23-01 Contact size Barrel size ASD code AWG a Positioner/ Locator Selector number Positioner/ Locator Selector number Positioner/ Locator Die 22 22 001 26 Not applicable M22520/2-23 3 Not applicable 002 24 3 003 22 4 20 20 002 24 Not applicab

32、le M22520/2-08 5 M22520/7-02 004 22 6 006 20 7 16 16 006 20 M22520/1-02 blue 4 Not applicable M22520/7-03 010 18 5 012 16 6 12 12 020 14 M22520/1-11 7 Not applicable Not applicable 030 12 8 090 8 a AWG Closest American Wire Gauge. 4.6.2 Insertion/extraction tools According to SAE-AS81969. See Table

33、5. Table 5 Insertion/extraction tools Size Insertion tools Extraction tools Contact Barrel 22 22 M81969/1-01 M81969/1-01 20 20 M81969/1-02 M81969/1-02 16 16 M81969/1-03 M81969/1-03 12 12 M81969/28-02 prEN 3155-027:2018 (E) 10 4.7 Cable striping See Table 6. Table 6 Cable striping Size Stripped lengt

34、h of cable 0,5 mm Contact Cable 22 22 3,5 20 20 4 16 16 6 12 12 6 4.8 Tests Contacts shall be fitted in connector EN 3682-P-3-XXX-XX and EN 3682-R-3-XXX-XX for tests in accordance with EN 3155-001. Situable contact arrangements: #22 22: EN 3682-1-X-150, #20: EN 3682-1-X-60, #16: EN 3682-1-X-35, #12:

35、 EN 3682-1-X-24. 1-150 1-60 1-35 1-24 Above non blank cavities shall be wired. Figure 4 Suitable contact arrangements prEN 3155-027:2018 (E) 11 Table 7 Tests (1 of 2) EN 2591- Designation of the test Not applicable Applicable According to EN 3155-001 Remarks 101 Visual examination X 102 Examination

36、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 206 Measurement of insulation resistance X 207 Voltage proof test X 210 Electrical

37、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 temperature and current cycling X 221 Voltage Standing Wave Ratio (VSWR) X 222 Insertion Loss (I.L) X 223 Measurement of characteristic impedance

38、of a coaxial connector or contact X 301 Endurance at temperature X T (150 2) C Duration 1 000 hours. 305 Rapid change of temperature X Ta = (150 +5/0) C TB = ( 65 0/-5) C 306 Mould growth X 307 Salt mist X 315 Fluid resistance X 316 Ozone resistance X 319 Gastightness of solderless wrapped connectio

39、ns X 402 Shock X According to EN 3682-001. 403 Sinusoidal and random vibration X According to EN 3682-001. 405 Axial load X 406 Mechanical endurance X prEN 3155-027:2018 (E) 12 Table 7 Tests (2 of 2) EN 2591- Designation of the test Not applicable Applicable According to EN 3155-001 Remarks 415 Test

40、 probe damage (female contact) X 416 Contact bending strength X 417 Tensile strength (crimped connection) X 418 Gauge insertion/extraction forces (female contacts) X 424 Stripping force, solderless wrapped connections X 425 Unwrapping capability, solderless wrapped connections X 501 Soft solderabili

41、ty 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 measured thickness shall be recorded. 509 Adhesion of coating on contacts X 513 Magnetic permeability X 514 Solderability of contacts with self-contai

42、ned solder and flux X 5 Designation EXAMPLE Description block CONTACT, ELECTRICAL Identity block EN3155-027F2020 Number of this standard Type of contact: F: S: female contact with two colour bands according to Table 2. X: (S and X are inactive for new design) 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. prEN 3155-027:2018 (E) 13 6 Marking See EN 3155-001. 7 Technical specification See EN 3155-001.