1、BRITISH STANDARDBS EN 3155-027:2006Aerospace series Electrical contacts used in elements of connection Part 027: Contacts, electrical, female, type A, crimp, class R Product standardThe European Standard EN 3155-027:2006 has the status of a British StandardICS 49.060g49g50g3g38g50g51g60g44g49g42g3g5
2、8g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58Licensed Copy: Wang Bin, na, Mon Feb 05 01:50:51 GMT+00:00 2007, Uncontrolled Copy, (c) BSIBS EN 3155-027:2006This British Standard w
3、as published under the authority of the Standards Policy and Strategy Committee on 29 September 2006 BSI 2006ISBN 0 580 49158 7National forewordThis British Standard was published by BSI. It is the UK implementation of EN 3155-027:2006, including Corrigendum August 2006. The UK participation in its
4、preparation was entrusted by Technical Committee ACE/6, Aerospace avionic electrical and fibre optic technology, to Subcommittee ACE/6/-/3, Aerospace Connectors.A list of organizations represented on ACE/6/-/3 can be obtained on request to its secretary.This publication does not purport to include a
5、ll the necessary provisions of a contract. Users are responsible for its correct application.Compliance with a British Standard cannot confer immunity from legal obligations.Amendments issued since publicationAmd. No. Date CommentsLicensed Copy: Wang Bin, na, Mon Feb 05 01:50:51 GMT+00:00 2007, Unco
6、ntrolled Copy, (c) BSIEUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 3155-027April 2006ICS 49.060English VersionAerospace series - Electrical contacts used in elements ofconnection - Part 027: Contacts, electrical, female, type A,crimp, class R - Product standardSrie arospatiale - Contacts lectri
7、ques utiliss dans lesorganes de connexion - Partie 027 : Contacts lectriques,femelles, type A, sertir, classe R - Norme de produitLuft- und Raumfahrt - Elektrische Kontakte zur Verwendungin Verbindungselementen - Teil 027: ElektrischeBuchsenkontakte, Typ A, crimpbar, Klasse R -ProduktnormThis Europe
8、an Standard was approved by CEN on 6 January 2006.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concer
9、ning such nationalstandards may be obtained on application to the Central Secretariat or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own lang
10、uage and notified to the Central Secretariat has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malt
11、a, Netherlands, Norway, Poland, Portugal, Romania,Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue de Stassart, 36 B-1050 Brussels 2006 CEN All rights of exploita
12、tion in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 3155-027:2006: EIncluding Corrigendum August 2006Licensed Copy: Wang Bin, na, Mon Feb 05 01:50:51 GMT+00:00 2007, Uncontrolled Copy, (c) BSIEN 3155-027:2006 (E) 2 Contents Page Foreword 3 Introduction4 1 Scope .
13、4 2 Normative references .4 3 Terms and definitions.5 4 Required characteristics 5 4.1 Specific characteristics 5 4.2 Dimensions and mass 5 4.3 Marking by colour code7 4.4 Material, surface treatment.8 4.5 Permissible cables8 4.6 Tooling.9 4.7 Cable stripping9 4.8 Tests 10 5 Designation .12 6 Markin
14、g 12 7 Technical specification.12 Licensed Copy: Wang Bin, na, Mon Feb 05 01:50:51 GMT+00:00 2007, Uncontrolled Copy, (c) BSIEN 3155-027:2006 (E) 3 Foreword This European Standard (EN 3155-027:2006) has been prepared by the European Association of Aerospace Manufacturers - Standardization (AECMA-STA
15、N). 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 Official Services of the member countries of AECMA, prior to its presentation to CEN. This European Standard shall be given the sta
16、tus of a national standard, either by publication of an identical text or by endorsement, at the latest by October 2006, and conflicting national standards shall be withdrawn at the latest by October 2006. Attention is drawn to the possibility that some of the elements of this document may be the su
17、bject 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 national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium,
18、Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. Licensed Copy: Wang Bin, na, Mon
19、Feb 05 01:50:51 GMT+00:00 2007, Uncontrolled Copy, (c) BSIEN 3155-027:2006 (E) 4 Introduction The contacts defined by this standard are derived from those of AS 39029/94 and intermateable with those of AS 39029/93. 1 Scope This standard specifies the required characteristics and tests applicable to
20、female electrical contacts 027, type A, crimp, class 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 referenced documents are indispensable for the application of this document. For dated refere
21、nces, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 8843, Aircraft Crimp-removable contacts for electrical connectors Identification system. EN 2083, Aerospace series Copper or copper alloy conductors for
22、 electrical cables Product standard. EN 2591*, Aerospace series Elements of electrical and optical connection Test methods. EN 3155-001, Aerospace series Electrical contacts used in elements of connection Part 001: Technical specification. 1)EN 3155-002, Aerospace series Electrical contacts used in
23、elements of connection Part 002: List and utilization of contacts. EN 3155-026, Aerospace series Electrical 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
24、, rectangular, interchangeable insert type, rack to panel, operating temperature 150 C continuous Part 001: Technical specification. MIL-DTL-22520, Crimping tools, wire termination, general specification for. 2)MIL-I-81969, Installing and removal tools, connector electrical contact, general specific
25、ation for. 2)AS 39029, Contacts, electrical connector, general specification for.3) *All parts quoted in this standard. 1) Published as AECMA Prestandard at the date of publication of this standard. 2) Published by: Department of Defense (DOD), The Pentagon, Washington D.C. 20301, USA. 3) Published
26、by: Society of Automotive Engineering (SAE), 400 Commonwealth Drive, Warrendale, PA 15096, USA. Licensed Copy: Wang Bin, na, Mon Feb 05 01:50:51 GMT+00:00 2007, Uncontrolled Copy, (c) BSIEN 3155-027:2006 (E) 5 AS 39029/93, Contacts, electrical connector, pin, crimp removable, (for DOD-C-83527, conne
27、ctors). 3)AS 39029/94, Contacts, electrical connector, socket, crimp removable, (for DOD-C-83527, connectors). 3)3 Terms and definitions For the purposes of this standard, the terms and definitions given in EN 3155-001 apply. 4 Required characteristics 4.1 Specific characteristics Type A contacts ar
28、e for general application and class R corresponds to an operating temperature range from 65 C to 150 C. 4.2 Dimensions and mass See Figure 1, Figure 2, Figure 3 and Table 1. Dimensions and tolerances are given in millimetres and apply after surface treatment. Licensed Copy: Wang Bin, na, Mon Feb 05
29、01:50:51 GMT+00:00 2007, Uncontrolled Copy, (c) BSIEN 3155-027:2006 (E) 6 Key 1 1 hole H 5 Radius 0,1 min. 2 Radius K aSee Note 2 3 Colour bands, see Table 2 bSee Note 1 4 Radius J NOTE 1 Point at which a square ended gauge pin of the same diameter as the mating contact first engages the female cont
30、act spring member. NOTE 2 This dimension represents both the length of the bore A which includes the active zone of protection (ref. EN 3155-001, 5.3.2). Figure 1 Figure 2 Barrel, contacts 22-22 Licensed Copy: Wang Bin, na, Mon Feb 05 01:50:51 GMT+00:00 2007, Uncontrolled Copy, (c) BSIEN 3155-027:20
31、06 (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) Table 1 Size A B C D E G H J K M Contact Barrel min. max. min. 22 22 1,32 1,27 0,950,86 1,781,73 1,551,50 0,79 1,191,04 0,560,46 0,05 0,08 20 20 1,73 1,65 1,171,09 2,132,08 1,881,
32、73 1,05 1,471,32 0,840,64 0,05 0,08 2,72 16 16 2,62 2,57 1,731,68 3,403,30 2,872,69 1,63 2,292,03 1,070,91 0,08 0,13 3,81 12 12 3,84 3,76 2,592,49 4,834,72 4,094,01 2,43 3,563,30 1,070,91 0,08 0,13 3,81 Size N P S T U X Z AA FF Contact Barrel min. max. min. Massg max. 22 22 4,19 3,43 6,025,87 10,411
33、0,197,11 1,09 0,860,74 4,09 3,35 1,09 0,16 20 20 4,83 3,81 4,193,94 19,0518,928,26 1,04 0,860,74 1,75 1,37 1,83 1,68 1,42 0,37 16 16 7,37 6,35 6,536,22 18,2418,0311,89 1,52 1,221,12 2,11 1,75 2,82 2,72 2,18 0,76 12 12 7,37 6,35 6,536,22 18,2418,0311,89 1,52 1,221,12 2,11 1,75 4,01 3,94 2,95 1,60 4.3
34、 Marking by colour code See Table 2. Licensed Copy: Wang Bin, na, Mon Feb 05 01:50:51 GMT+00:00 2007, Uncontrolled Copy, (c) BSIEN 3155-027:2006 (E) 8 Table 2 Size Two bands according to ISO 8843 Three bands according to AS 39029/93 Contact Barrel cBand 1 dBand 2 cBand 1 dBand 2 eBand 3 22 22 Green
35、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 4.4 Material, surface treatment Body material : copper alloy Surface treatment : gold on appropriate undercoat, thickness of protection not specified, selective protection perm
36、itted 4.5 Permissible cables See Table 3. Table 3 Size Size of conductors Contact Barrel AECMA Code Section mm2AWG aRated test current A 004 0,4 22 5 002 0,25 24 3 22 22 001 0,15 26 2 006 0,6 20 7,5 004 0,4 22 5 20 20 002 0,25 24 3 012 1,2 16 13 010 1 18 11 16 16 006 0,6 20 7,5030 3 12 23 12 12 020
37、2 14 17a AWG = Closest American Wire Gage. Licensed Copy: Wang Bin, na, Mon Feb 05 01:50:51 GMT+00:00 2007, Uncontrolled Copy, (c) BSIEN 3155-027:2006 (E) 9 4.6 Tooling 4.6.1 Crimping tools Conform to MIL-DTL-22520, see Table 4. The qualification selector numbers used for crimping copper or copper a
38、lloy conductors in cables EN 2083 are indicated in Table 4. It is the user responsibility if the parameters in Table 4 are changed for service use. Table 4 Contact Cable size Tools M22520/1-01 Tools M22520/2-01 Tools M22520/7-01 Contact size Barrel size AECMA code AWGa Positioner Selector numberPosi
39、tioner Selector number Positioner Selector number001 26 4 002 24 3 22 22 004 22 Not applicable M22520/2-233 Not applicable 002 24 5 4 004 22 6 5 20 20 006 20 Not applicable M22520/2-087 M22520/7-026 006 20 4 5 010 18 5 6 16 16 012 16 M22520/1-02 blue 6 Not applicable M22520/7-037 020 14 7 12 12 030
40、12 M22520/1-118 Not applicable Not applicable aAWG = Closest American Wire Gage. 4.6.2 Insertion/extraction tools Conform to MIL-I-81969, see Table 5. Table 5 Size Contact Barrel Insertion tools Extraction tools 22 22 M81969/1-01 M81969/1-01 20 20 M81969/1-02 M81969/1-0216 16 M81969/1-03 M81969/1-03
41、 12 12 M81969/28-02 4.7 Cable stripping See Table 6. Licensed Copy: Wang Bin, na, Mon Feb 05 01:50:51 GMT+00:00 2007, Uncontrolled Copy, (c) BSIEN 3155-027:2006 (E) 10 Table 6 Size Contact Barrel Stripped length of cable mm 0,5 22 22 3,5 20 20 4 16 16 6 12 12 6 4.8 Tests See Table 7. Table 7 Applica
42、ble EN 2591- Test Not applicableAccording toEN 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 th
43、e 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 temperature X T = (150 05+) C Duration: 1 00
44、0 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 316 Ozone resistance X continued Licensed Copy: Wang Bin, na, Mon Feb 05 01:50:51 GMT+00:00 2007, Uncontrolled Copy, (c) BSIEN 3155-027:2006 (E) 11 Table 7 (concluded) Appl
45、icable EN 2591- Test Not applicableAccording toEN 3155-001 Remarks 319 Gastightness of solderless wrapped connections X 402 Shock X Method A, severity 30, 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
46、 415 Test 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 so
47、lderability 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 se
48、lf-contained solder and flux X Licensed Copy: Wang Bin, na, Mon Feb 05 01:50:51 GMT+00:00 2007, Uncontrolled Copy, (c) BSIEN 3155-027:2006 (E) 12 5 Designation EXAMPLE Description block CONTACT ELECTRICAL Identity block EN3155-027F2020 Number of this standard Type of contact: F: female contact with
49、two colour bands according to ISO 8843 or three colour 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 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. Licensed Copy: Wang Bin,
