1、BSI Standards PublicationBS EN 3155-027:2015Aerospace series Electricalcontacts used in elements ofconnectionPart 027: Contacts, electrical, female, typeA, crimp, class R Product standardBS EN 3155-027:2015 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 3155-02
2、7:2015.It supersedes BS EN 3155-027:2006 which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee ACE/6, Aerospace avionic electrical and fibre optictechnology.A list of organizations represented on this committee can beobtained on request to its secretary.This
3、publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2015.Published by BSI Standards Limited 2015ISBN 978 0 580 89609 5ICS 49.060Compliance with a British Standard cannot confer immunity
4、 fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 October 2015.Amendments/corrigenda issued since publicationDate T e x t a f f e c t e dBS EN 3155-027:2015EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 3155-027 O
5、ctober 2015 ICS 49.060 Supersedes EN 3155-027:2006English Version Aerospace series - Electrical contacts used in elements of connection - Part 027: Contacts, electrical, female, type A, crimp, class R - Product standard Srie arospatiale - Contacts lectriques utiliss dans les organes de connexion - P
6、artie 027: Contacts lectriques, femelles, type A, sertir, classe R - Norme de produit Luft- und Raumfahrt - Elektrische Kontakte zur Verwendung in Verbindungselementen - Teil 027: Elektrische Buchsenkontakte, Typ A, crimpbar, Klasse R - Produktnorm This European Standard was approved by CEN on 8 Jun
7、e 2015. 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 alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtai
8、ned 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 translation under the responsibility of a CEN member into its own language and notified to the CEN
9、-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, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland,
10、 Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey andUnited Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre:
11、Avenue Marnix 17, B-1000 Brussels 2015 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 3155-027:2015 EBS EN 3155-027:2015EN 3155-027:2015 (E) 2 Contents Page European foreword 3 Introduction 4 1 Scope 4 2 Normative references 4 3 T
12、erms and definitions . 5 4 Required characteristics 5 4.1 Specific characteristics . 5 4.2 Dimensions and mass 5 4.3 Marking by colour code 8 4.4 Material, surface treatment 9 4.5 Permissible cables 9 4.6 Tooling 9 4.7 Cable stripping . 10 4.8 Tests . 11 5 Designation . 13 6 Marking 13 7 Technical s
13、pecification . 13 BS EN 3155-027:2015EN 3155-027:2015 (E) 3 European foreword This document (EN 3155-027:2015) 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 Asso
14、ciation, 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 endorsem
15、ent, at the latest by April 2016, and conflicting national standards shall be withdrawn at the latest by April 2016. 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
16、any or all such patent rights. This document supersedes EN 3155-027:2006. 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, Den
17、mark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, 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 3155-02
18、7:2015EN 3155-027:2015 (E) 4 Introduction The contacts defined by this standard are derived from those of SAE-AS39029/94 and intermateable with those of SAE-AS39029/93. 1 Scope This European Standard specifies the required characteristics and tests applicable to female contacts 027, type A, crimp, c
19、lass R, used in elements of connection 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,
20、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 alloy conductors for electrical cables Product standard EN 2591*, Aerospace series Elements of electrical and optical
21、connection Test methods 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 Electri
22、cal contacts used 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 00
23、1: Technical specification ISO 8843, Aircraft Crimp-removable contacts for electrical connectors Identification system MIL-C-22520/2, Crimping tools, terminal, hand, wire termination for wire barrel sizes 20 through 28 1)MIL-C-22520/7, Crimping tools, terminal, hand, wire termination for wire barrel
24、 sizes 16, 20 and 221)SAE-AS22520, Crimping tools, wire termination, general specification for 2)SAE-AS22520/1, Crimping tools, terminal, hand, wire termination for wire barrel sizes 12 through 202)SAE-AS39029, Contacts, electrical connector, general specification for 2)SAE-AS39029/93, Contacts, ele
25、ctrical connector, pin, crimp removable, (for DOD-C-83527, connectors) 2)*All parts quoted in this standard. 1) Published by: DoD National (US) Mil. Department of Defense http:/www.defenselink.mil/ 2) Published by: SAE National (US) Society of Automotive Engineers http:/www.sae.org/ BS EN 3155-027:2
26、015EN 3155-027:2015 (E) 5 SAE-AS39029/94, Contacts, electrical connector, socket, crimp removable, (for DOD-C-83527, connectors) 2)SAE-AS81969, Installing and removal tools, connector electrical contact, general specification for 2)SAE-AS81969/1, Installing and removal tools, connector electrical co
27、ntact, type III, class 2, composition C 2)SAE-AS81969/28, Installing and removal tools, connector electrical contact, type II, class 2, composition C 2)3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 3155-001 apply. 4 Required characteristics 4.1 Spec
28、ific characteristics Type A contacts are for general application and class R corresponds to an operating temperature range from 65 C to 150 C. 4.2 Dimensions and mass See Figures 1 and 2 and Table 1. Dimensions and tolerances are given in millimetres and apply after surface treatment. BS EN 3155-027
29、:2015EN 3155-027:2015 (E) 6 0,05 General concentricity Contact size 22 and 20 0,10 A 0,08 B Contact size 16 and 12 0,15 A 0,10 B Key 1 T, see Note 2 5 Colours bands, see Table 2 2 U, see Note 1 6 Radius J 3 Hole H 7 Radius 0,1 min. 4 Radius K NOTE 1 Point at which a square ended gauge pin of the sam
30、e diameter as the mating contact first engages the female contact spring member. NOTE 2 This dimension represents both the length of the bore E which includes the active zone of protection (ref. EN 3155-001, 5.3.2). Figure 1 Contact dimensions Key 1 Chamfer or radius Figure 2 Barrel, contacts 22-22
31、BS EN 3155-027:2015EN 3155-027:2015 (E) 7 Key 1 Colour bands, see Table 2 2 Chamfer or radius Figure 3 Barrel, contacts 12-12, 16-16 and 20-20 (optional) BS EN 3155-027:2015EN 3155-027:2015 (E) 8 Table 1 Contact dimensions Size A B C D E min. G H J K max. M min. Contact Barrel 22 22 1,32 1,27 0,95 0
32、,86 1,78 1,73 1,55 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 3,56 3,30 1,07 0,9
33、1 0,08 0,13 3,81 Size N P S T min. U max. X Z AA FF min. Mass g max. Contact Barrel 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 18,03 11,89 1,52 1
34、,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. Table 2 Contact colour code Two bands according to ISO 8843 Three bands according to SAE-AS39029/94 Size Contact Barrel Band 1 Band
35、2 Band 1 Band 2 Band 3 22 22 Green Green Blue Black Brown 20 20 Red Red Blue Black Red 16 16 Blue Blue Blue Black Orange 12 12 Yellow Yellow Blue Black Yellow BS EN 3155-027:2015EN 3155-027:2015 (E) 9 4.4 Material, surface treatment Body material : copper alloy Surface treatment : gold on appropriat
36、e undercoat, thickness of protection not specified, selective protection permitted 4.5 Permissible cables See Table 3. Table 3 Permissible cables Size Size of conductors Rated test current A Contact Barrel ASD code Section mm2 AWG a 004 0,4 22 5 22 22 002 0,25 24 3 001 0,15 26 2 006 0,6 20 7,5 20 20
37、 004 0,4 22 5 002 0,25 24 3 012 1,2 16 13 16 16 010 1 18 11 006 0,6 20 7,5 12 12 030 3 12 23 020 2 14 17 aAWG = Corresponding American wire gage. 4.6 Tooling 4.6.1 Crimping tools Conform to SAE-AS22520, see Table 4. The qualification selector numbers used for crimping copper or copper alloy conducto
38、rs in cables EN 2083 are indicated in Table 4. It is the user responsability if the parameters in Table 4 are changed for service use. BS EN 3155-027:2015EN 3155-027:2015 (E) 10 Table 4 Crimping tools Contact Cable size Tools M22520/1-01 Tools M22520/2-01 Tools M22520/7-01 Contact size Barrel size A
39、SD code AWG a Positioner Selector number Positioner Selector number Positioner Selector number 001 26 Not Applicable M22520/2-23 3 Not applicable 22 22 002 24 3 004 22 4 002 24 Not Applicable M22520/2-08 5 M22520/7-02 4 20 20 004 22 6 5 006 20 7 6 006 20 M22520/1-02 blue 4 Not applicable M22520/7-03
40、 5 16 16 010 18 5 6 012 16 6 7 12 12 020 14 M22520/1-11 7 Not applicable Not applicable 030 12 8 aAWG: nearest American Wire Gage. 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 22 22 M
41、81969/1-01 M81969/1-01 20 20 M81969/1-02 M81969/1-02 16 16 M81969/1-03 M81969/1-03 12 12 M81969/28-02 4.7 Cable stripping See Table 6. BS EN 3155-027:2015EN 3155-027:2015 (E) 11 Table 6 Cable stripping Size Stripped length of cable mm 0,5 Contact Barrel 22 22 3,5 20 20 4 16 16 6 12 12 6 4.8 Tests Se
42、e Table 7. Table 7 Tests EN 2591- Test Not applicable Applicable 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 2
43、04 Discontinuity of contacts in the microsecond range X 206 Measurement of insulation resistance X 207 Voltage proof test X 210 Electrical overload X 211 Capacitance X 212 Surface transfer impedance X 220 Contact/conductor joint ageing by current and temperature cycling X 301 Endurance at temperatur
44、e X T = (150 05+) C Duration: 1 000 h 305 Rapid change of temperature X TA = (150 05+) C TB= ( 65 05+) C 306 Mould growth X 307 Salt mist X 315 Fluid resistance X BS EN 3155-027:2015EN 3155-027:2015 (E) 12 316 Ozone resistance X 319 Gastightness of solderless wrapped connections X 402 Shock X Severi
45、ty 30, method A see EN 3682-001 Figures 37, 38 and 39. 403 Sinusoidal and random vibration X According to EN 3682-001 subclause 7.2.2. 406 Mechanical endurance X 415 Test probe damage (female contacts) X 416 Contact bending strength X 417 Tensile strength (crimped connection) X 418 Gauge insertion /
46、 extraction forces (female contact) X 424 Stripping force, solderless wrapped connections X 425 Unwrapping, solderless wrapped connections X 501 Soft soldering X 502 Restricted entry X 503 Contact deformation after crimping X 507 Plating porosity X 508 Measurement of thickness of coating on contacts
47、 X The measured thickness shall be recorded. 509 Adhesion of coating on contacts X 513 Magnetic permeability X 514 Solderability of contacts with self-contained solder and flux X BS EN 3155-027:2015EN 3155-027:2015 (E) 13 5 Designation EXAMPLE Description block CONTACT ELECTRICAL Identity block EN31
48、55-027F2020 Standard number Type of contact: F: female contact with two colour bands according to ISO 8843 or three color bands according to AS 39029 S: female contact with three colour bands according to AS 39029 X: female contact with two colour bands according to ISO 8843 Contact size (see Table
49、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. This page deliberately left blankThis page deliberately left blankBSI is the national body responsible for preparing British Standards and other standards-related publications, information and services.BSI is incorporated b
