1、BRITISH STANDARDBS EN 3155-052:2007Aerospace series Electrical contacts used in elements of connection Part 052: Contacts, electrical, male 052, type A, crimp, class S Product standardThe European Standard EN 3155-052:2007 has the status of a British StandardICS 49.060g49g50g3g38g50g51g60g44g49g42g3
2、g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 3155-052:2007This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 Apr
3、il 2007 BSI 2007ISBN 978 0 580 50618 5National forewordThis British Standard was published by BSI. It is the UK implementation of EN 3155-052:2007.The UK participation in its preparation was entrusted by Technical Committee ACE/6, Aerospace avionic electrical and fibre optic technology, to Panel ACE
4、/6/-/3, Aerospace Connectors.A list of organizations represented on this committee 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 British Standard
5、 cannot confer immunity from legal obligations.Amendments issued since publicationAmd. No. Date CommentsEUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 3155-052April 2007ICS 49.060English VersionAerospace series - Electrical contacts used in elements ofconnection - Part 052: Contacts, electrical,
6、male 052, type A,crimp, class S - Product standardAerospace series - Electrical contacts used in elements ofconnection - Part 052: Contacts, electrical, male 052, typeA, crimp, class S - Product standardLuft- und Raumfahrt - Elektrische Kontakte zur Verwendungin Verbindungselementen - Teil 052: Elek
7、trischeStiftkontakte 052, Typ A, crimpbar, Klasse S - ProduktnormThis European Standard was approved by CEN on 13 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 w
8、ithout any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the CEN Management Centre or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other languag
9、e made by translationunder the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as theofficial versions.CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,Fra
10、nce, 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 STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NO
11、RMUNGManagement Centre: rue de Stassart, 36 B-1050 Brussels 2007 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 3155-052:2007: E2 Contents Page Foreword3 1 Scope 4 2 Normative references 4 3 Terms and definitions .4 4 Required chara
12、cteristics.5 4.1 Dimensions and mass.5 4.2 Material, surface treatment.5 4.3 Permissible cables.6 4.4 Tooling6 4.5 Cable stripping.6 4.6 Tests6 5 Designation 9 6 Marking .9 7 Technical specification .9 EN 3155-052:20073 Foreword This document (EN 3155-052:2007) has been prepared by the European Asso
13、ciation of Aerospace Manufacturers - Standardization (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 pre
14、sentation to CEN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by October 2007, and conflicting national standards shall be withdrawn at the latest by October 2007. Attention is drawn to the possi
15、bility 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 any or all such patent rights. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries ar
16、e bound to implement this European Standard: Austria, Belgium, Bulgaria, 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, Swed
17、en, Switzerland and the United Kingdom. EN 3155-052:20074 1 Scope This standard specifies the required characteristics and tests applicable to male electrical contacts 052, type A, crimp, class S, used in elements of connection according to EN 3155-002. It shall be used together with EN 3155-001. Th
18、e associated female contacts are defined in EN 3155-053. 2 Normative references The following referenced documents are 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 (incl
19、uding any amendments) applies. EN 2083, Aerospace series Copper or copper alloy conductors for 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 P
20、art 001: Technical specification. 1)EN 3155-002, Aerospace series Electrical contacts used in elements of connection Part 002: List and utilization of contacts. EN 3155-053, Aerospace series Electrical contacts used in elements of connection Part 053: Contacts, electrical, female 053, type A, crimp,
21、 class S Product standard. EN 4008-016, Aerospace series Elements of electrical and optical connection Crimping tools and associated accessories Part 016: Crimping tool for electrical contacts according to EN 3155-052 and EN 3155-053 Product standard. 2)EUROCAE-ED-14E:2005, Environmental conditions
22、and test procedures for airborne equipment. 3)3 Terms and definitions For the purposes of this standard, the terms and definitions given in EN 3155-001 apply. *All parts quoted in this standard. 1) Published as AECMA Prestandard at the date of publication of this standard. 2) In preparation at the d
23、ate of publication of this standard. 3) Published by: EUROCAE, 11 rue Hamelin 75783 PARIS CEDEX 16. EN 3155-052:20075 4 Required characteristics 4.1 Dimensions and mass See Figure 1. Mass: 90 g max. Dimensions and tolerances are expressed in millimetres and apply after plating. Key 1 Annealed area 2
24、 Manufacturer marking (trademark, logo, ) 3 R spherical edge 4 1 hole 23,249,2Figure 1 4.2 Material, surface treatment Material : copper alloy Surface treatment : gold on appropriate undercoat EN 3155-052:20076 4.3 Permissible cables See Table 1. Table 1 Size Size of conductor Contact Barrel Size Co
25、de Size Code AECMA Code aSection mm2AWG bRated test current A 4/0 4A 2/0 2A 680 68 2/0 260 aSee EN 2083. bAWG = American Wire Gage. 4.4 Tooling See Table 2. Table 2 Size Crimping tool Contact Barrel Basic tool Crimp die Locator 4/0 2/0 EN4008-016 4.5 Cable stripping See Table 3. Table 3 Size Strippe
26、d length of cable A mm Contact Barrel min. max. 4/0 2/0 22,86 27,94 4.6 Tests See Table 4. EN 3155-052:20077 Table 4 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 202 Cont
27、act resistance at rated current X Measuring points on the cable, the two points 150 mm apart. Maximum voltage drop Initial: 60 mV After tests: 75 mV 204 Discontinuity of contacts in the microsecond range X 206 Measurement of insulation resistance X 207 Voltage proof test X 208 Temperature rise due t
28、o rated current X 210 Electrical overload X 325 A for 5 min 435 A for 5 s 213 Shielding effectiveness from 100 MHz to 1 GHz X 301 Endurance at temperature X T = (200 2) C Duration: 1 000 h 305 Rapid change of temperature X TA= (200 2) C TB= ( 65 2) C 306 Mould growth X 307 Salt mist X 315 Fluid resi
29、stance X 402 Shock X Method A Severity 300 403 Sinusoidal and random vibration X Part 1: Ambient temperature: 120 C Current: 200 A on three contacts 100 mA on one contact Curve R of EUROCAE-ED-14E 3 h per axis on three axis Curve W of EUROCAE-ED-14E on OX lengthwise axis contactDuration : 40 h conti
30、nued EN 3155-052:20078 Table 4 (concluded) Applicable EN 2591- Test Not applicableAccording toEN 3155-001 Remarks 403 Sinusoidal and random vibration (concluded) X Part 2:Ambient temperature: 200 C Current: 260 A on three contacts 100 mA on one contact Curve R of EUROCAE-ED-14E 2 h per axis on OX an
31、d OY axis Part 3: Resonant frequencies determination Curve R of EUROCAE-ED-14E Vibration at resonance frequencies Ambient temperature: 200 C Current: 260 A on three contacts 100 mA on one contact 2 h per fixed resonant frequencies on OX axis 406 Mechanical endurance X 250 operations 415 Test probe d
32、amage (female contact) X 416 Contact bending strength X 417 Tensile strength (crimped connection) X 418 Gauge insertion/extraction forces (female contacts) X 502 Restricted entry X 503 Contact deformation after crimping X 508 Measurement of thickness of coating on contacts X The measured thickness s
33、hall be recorded. 509 Adhesion of coating on contacts X 513 Magnetic permeability X 2 EN 3155-052:20079 5 Designation EXAMPLE Description block CONTACT, ELECTRICAL Identity block EN3155-052M4A2A Number of this standard Type of contact: M = male Contact size code (see Table 1) Barrel size code (see T
34、able 1) NOTE If necessary, the code I9005 shall be placed between the description block and the identity block. 6 Marking See Figure 1. 7 Technical specification See EN 3155-001. EN 3155-052:2007BS EN 3155-052:2007BSI389 Chiswick High RoadLondonW4 4ALBSI British Standards InstitutionBSI is the indep
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