1、BRITISH STANDARDBS EN 3155-025:2006Aerospace series Electrical contacts used in elements of connection Part 025: Contacts, electrical, triaxial, size 8, female, type D, crimp, class S Product standardThe European Standard EN 3155-025:2006 has the status of a British StandardICS 49.060g49g50g3g38g50g
2、51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 3155-025:2006This British Standard was published under the authority of the Standards Policy and Strategy Com
3、mittee on 31 October 2006 BSI 2006ISBN 0 580 49465 9National forewordThis British Standard was published by BSI. It is the UK implementation of EN 3155-025:2006.The UK participation in its preparation was entrusted by Technical Committee ACE/6, Aerospace avionic electrical and fibre optic technology
4、, 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 all the necessary provisions of a contract. Users are responsible for its correct application.Compliance with a
5、British Standard cannot confer immunity from legal obligations.Amendments issued since publicationAmd. No. Date CommentsEUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 3155-025June 2006ICS 49.060English VersionAerospace series - Electrical contacts used in elements ofconnection - Part 025: Contact
6、s, electrical, triaxial, size 8,female, type D, crimp, class S - Product standardSrie arospatiale - Contacts lectriques utiliss dans lesorganes de connexion - Partie 025 : Contacts lectriques,triaxiaux, taille 8, femelles, type D, sertir, classe S -Norme de produitLuft- und Raumfahrt - Elektrische K
7、ontakte zur Verwendungin Verbindungselementen - Teil 025: ElektrischeBuchsenkontakte, triaxial, Gre 8, Typ D, crimpbar,Klasse S - ProduktnormThis European Standard was approved by CEN on 20 April 2006.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the condi
8、tions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the Central Secretariat or to any CEN member.This European Standard exists in three off
9、icial versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the officialversions.CEN members are the national standards bodies of Austria, Be
10、lgium, 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 United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZ
11、ATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue de Stassart, 36 B-1050 Brussels 2006 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 3155-025:2006: E2 Contents Page Foreword3 Introduction .4 1
12、Scope 4 2 Normative references 4 3 Terms and definitions .5 4 Required characteristics.5 5 Designation . 12 6 Marking 12 7 Technical specification 12 EN 3155-025:20063 Foreword This European Standard (EN 3155-025:2006) has been prepared by the European Association of Aerospace Manufacturers - Standa
13、rdization (AECMA-STAN). 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 sh
14、all be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by December 2006, and conflicting national standards shall be withdrawn at the latest by December 2006. Attention is drawn to the possibility that some of the elements of this
15、document may be the subject 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 Standa
16、rd: Austria, Belgium, 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. EN 3155-025
17、:20064 Introduction The contacts defined by this standard are derived from, and are interchangeable with, contacts conforming to AS 39029/91. They are intermateable with contacts conforming to EN 3155-012 and AS 39029/90. 1 Scope This standard specifies the required characteristics and tests applica
18、ble to female electrical contacts, type D, crimp, class S, 65 C to 200 C, size 8 used in elements of connection according to EN 3155-001. It shall be used together with EN 3155-001. The associated male contacts are defined in EN 3155-024. 2 Normative references The following referenced documents are
19、 indispensable for the application 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 2591-100*, Aerospace series Elements of electrical and optical connection Test metho
20、ds Part 100 : General. EN 3155-001, Aerospace series Electrical contacts used in elements of connection Part 001: Technical specification. 1)EN 3155-012, Aerospace series Electrical contacts used in elements of connection Part 012: Contacts, electrical, triaxial, size 8, male, type D, solder, class
21、R Product standard.1)EN 3155-024, Aerospace series Electrical contacts used in elements of connection Part 024: Contacts, electrical, triaxial, size 8, male, type D, crimp, class S Product standard. 1)EN 3375-003, Aerospace series Electrical cables for signal data transmissions Operating temperature
22、 max. 150/200/260 C Part 003: Single braid Product standard. 2)EN 3375-004, Aerospace series Electrical cables for signal data transmissions Operating temperature max. 150/200/260 C Part 004: Double braid Product standard. 2)EN 3375-005, Aerospace series Electrical cables for signal data transmissio
23、ns Operating temperature max. 150/200/260 C Part 005: Double braid + metallic layer Product standard. 2)EN 4008-003, Aerospace series Elements of electrical and optical connection Crimping tools and associated accessories Part 003: Positioner for Crimping Tool M22520/2-01.2) * All parts quoted in th
24、is standard. * All parts quoted in this standard. 1) Published as AECMA Prestandard at the date of publication of this standard. 2) In preparation at date of this publication. EN 3155-025:20065 EN 4008-004, Aerospace series Elements of electrical and optical connection Crimping tools and associated
25、accessories Part 004: Die for Crimping Tool M22520/5-01.2)EN 4530-002, Aerospace series Sealing sleeves used in elements of connection Part 002: List and utilization of sealing sleeves.1)MIL-I-81969/14, Installing and removal tools, connector electrical contact, type III, class 2, composition B. 3)M
26、IL-PRF-5606H, Hydraulic fluid, petroleum base; aircraft, missile and ordnance. 3)4)MIL-PRF-7808L, Lubricating oil, aircraft turbine engine, synthetic base, NATO code number O-148. 3)MIL-PRF-7870C, Lubricating oil: general purpose, low temperature. 3)MIL-PRF-23699F, Lubricating oil, aircraft turbine
27、engine, synthetic base, NATO code number O-156. 3)MIL-PRF-87937D, Cleaning compound aerospace equipment. 3)AMS 1424, Fluid, Deicing/Anti-Icing, Aircraft - SAE type I. 5)AS 1241, Fire resistant phosphate ester hydraulic fluid for aircraft. 5)AS 39029/90, Contact, Electrical Connector, Concentric-Twin
28、ax, Pin, Shielded, Size 8.5)AS 39029/91, Contact, Electrical Connector, Concentric-Twinax, Socket, Shielded, Size 8.5)3 Terms and definitions For the purposes of this European Standard, the terms and definitions given in EN 3155-001 apply. 4 Required characteristics 4.1 Dimensions and mass Dimension
29、s are given in millimetres after surface treatment: See Figures 1 and 2 and Table 1. Mass: 3,3 g max. 4.2 Materials, surface treatment Materials: Conductive copper alloy Dielectric: PEEK or equivalent Surface treatment: Gold on appropriate undercoat (selective protective finish permitted). 3) Publis
30、hed by: Department of Defense (DOD), The Pentagon, Washington D.C. 20301, USA. 4) Inactive for new design after 29 March 1996. For new designs, use MIL-PRF-87257 or MIL-PRF-83282. 5) Published by: Society of Automotive Engineering (SAE), 400 Commonwealth Drive, Warrendale, PA 15096-0001, USA. EN 315
31、5-025:20066 Key 1 Diameter shall not exceed 7,01 over recovered heat-shrink sleeve 2 Point of contact with flat pin 0,61 0,013 3 Mates with 5,54 0,005 pin contact 4 Point of contact with flat pin 5,54 0,013 5 Centre contact mates with 0,61 0,013 pin contact 6 Contact entry shall be protected 7 To en
32、d of intermediate contact NOTE When mated with contacts conforming to EN 3155-024 the outer contact shall always mate prior to the centre and intermediate contacts. The mating sequence between centre and intermediate contacts is not guaranteed and therefore does not conform to EN 3155-001 Clause “En
33、gagement sequence“. Figure 1 EN 3155-025:20067 Figure 2 Cable ferrule Table 1 Size A Cable style A 3,40/3,51 EN 3375-003 B 3,91/4,01 EN 3375-004C 4,14/4,24 EN 3375-005 4.3 Permissible cables 4.3.1 Cable types See Table 2. Table 2 Cable type Specification Single braided cable EN 3375-003 Double braid
34、ed cable EN 3375-004 High immunity cable EN 3375-005 EN 3155-025:20068 4.3.2 Cable stripping instruction See Figure 3 and Table 3. Key 1 Braid Figure 3 Table 3 Cable stripping Dimensions in millimetres Cable Outer jacket 0,5 Inner conductors 0,2 EN 3375-003 8,0 5,0 EN 3375-004 8,0 5,0 EN 3375-005 8,
35、0 5,0 NOTE Excess cable braid should be trimmed off prior to crimping. No braid should be visible when terminated. 4.4 Tooling See Table 4. Table 4 Centre contact Intermediate contact Outer crimp sleeveBasic crimp tool M22520/2-01 M22520/5-01 Contact positioner EN 4008-004 N/A N/A Die N/A EN 4008-00
36、3Contact installation/Removal tool MIL-I-81969/14-06 EN 3155-025:20069 4.5 Tests See Table 5. Table 5 Applicable EN 2591- Test Not applicableAccording to EN 3155-001 Remarks 101 Visual examination X 102 Examination of dimensions and mass X 201 Contact resistance - low level X Maximum contact resista
37、nce m Contact Initial After tests Centre 55 66 Intermediate 55 66 Outer Not applicable 202 Contact resistance at rated current X Maximum contact resistance m Room temperature Max. temperature Contact Test current A Initial After cond. 150 C Centre 1 55 66 94 Intermediate 1 55 66 94 Outer 12 6 75 128
38、 204 Discontinuity of contacts in the microsecond range X Method B: Interruption 100 ns during tests EN 2591-402 and EN 2591-403. 206 Measurement of insulation resistance X Method C: Ambient temp. 5 G Maximum temp. 2 G 207 Voltage proof test X Contact Altitude Test voltage Centre/Int. Sea level 1 00
39、0 V Inter/outer Sea level 500 V Withstanding voltage at altitude 125 V (rms.) at 4,7 kPa (21 000 m) continued EN 3155-025:200610 Table 5 (concluded) Applicable EN 2591- Test Not applicableAccording to EN 3155-001 Remarks 210 Electrical overload X 211 Capacitance X 212 Surface transfer impedance X 5
40、m/ 0,1 100 MHz 213 Shielding effectiveness from 100 MHz to 1 GHz X 301 Endurance at temperature X Method B: Duration 1 000 hours. Insulation resistance test 305 Rapid change of temperature X Contacts wired and engaged: TA= 200 C TB= 65 C 306 Mould growth X 307 Salt mist X 315 Fluid resistance X See
41、Table 6. 402 Shock X Method A: Severity 300. 403 Sinusoidal and random vibration X Method B: Figure 3, Level J. 406 Mechanical endurance X 500 cycles 415 Test probe damage (female contact) X 416 Contact bending strength X 417 Tensile strength (crimped connection) X Centre 35 N Intermediate 35 N Oute
42、r 100 N 418 Gauge insertion/extraction forces (female contacts) X Gauge: As defined in Figure 4 and Table 7. Insertion (max.) Extraction (min.) Contact Initial After Cond. Initial After Cond. Intermediate 5,00 N 6,1 N 0,14 N 0,11 N 502 Restricted entry X 503 Contact deformation after crimping X Cent
43、re contact only 507 Plating porosity X 508 Measurement of thickness of coating on contacts X The measured thickness to be recorded. 513 Magnetic permeability X EN 3155-025:200611 Table 6 Fluid Immersion Stoving Category References Durationmin Temp. C Temp. C Numberof cycles Fuel JP5 NATO F-44 5+ 2 0
44、 25 85 7 Mineral hydraulic fluid MIL-PRF-5606H NATO H-515 15+ 5 0 85 100 5 Synthetic hydraulic fluid SAE AS 1241 Skydrol 500 B4 Skydrol LD 4 15+ 5 0 85 100 5 Mineral lubricant MIL-PRF-7870C NATO O-142 15+ 5 0 120 125 5 MIL-PRF-23699F NATO O-156 Synthetic lubricant MIL-PRF-7808L NATO O-148 15+ 5 0 15
45、0 125 5 MIL-PRF-87937D, diluted 25 % Propanol + 75 % White spirit 15+ 5 0 5 Cleaning products Azeotrope R113 AzM (R113 + methanol) 5+ 2 0 25 25 2 De-icing fluid SAE AMS 1424 NATO S-742 15+ 5 0 50 100 5 Extinguishing fluid Chlorobromethane (less than 0,1 MPa of overpressure) 15+ 5 0 15 25 5 Cooling f
46、luid Coolanol 15+ 5 0 50 25 5 4.6 Gauges See Figure 4 and Table 7. Key 1 Recommended length 25 max. diameter 2 times A 2 Ra0,15 m to 0,25 m 3 Radius 4 Marking Figure 4 EN 3155-025:200612 Table 7 Application Gauge A B (max. flat) C max. 0,622/0,620 0,20 Not applicable Centre min. 0,599/0,597 0,20 Not
47、 applicable max. 5,563/5,560 0,80 3,00 Outer min. 5,514/5,512 0,80 3,00 5 Designation 5.1 Numbering EXAMPLE Description block CONTACT Identity block EN3155-025F08XY Number of this standard Type of contact: F = female Size of contact Cable ferrule (A, B, C, see Table 1) Accessories (A, B, see Table 8
48、) NOTE If necessary, the code I9005 shall be placed between the classification block and the identity block. 5.2 Accessories See Table 8. Table 8 Type Accessory A Without sealing sleeve B With sealing sleeve (See EN 4530-002) 6 Marking Marking shall be in accordance with EN 3155-001. 7 Technical spe
49、cification See EN 3155-001. EN 3155-025:2006blankBS EN 3155-025:2006BSI389 Chiswick High RoadLondonW4 4ALBSI British Standards InstitutionBSI is the independent national body responsible for preparing British Standards. It presents the UK view on standards in Europe and at the international level. It is incorporated by Royal Charter.RevisionsBritish Standards are updated by amendment or revision. Users of British St
