1、BSI Standards PublicationBS EN 3155-078:2014Aerospace series Electricalcontacts used in elements ofconnectionPart 078: Contacts size 22 for EN 2997,electrical, male, type A, crimp, class S Product standardBS EN 3155-078:2014 BRITISH STANDARDNational forewordThis British Standard is the UK implementa
2、tion of EN 3155-078:2014.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 publication does not purport to inc
3、lude all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2014. Published by BSI StandardsLimited 2014ISBN 978 0 580 86112 3ICS 49.060Compliance with a British Standard cannot confer immunity fromlegal obligations.This British
4、 Standard was published under the authority of theStandards Policy and Strategy Committee on 30 November 2014.Amendments issued since publicationDate Text affectedBS EN 3155-078:2014EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 3155-078 November 2014 ICS 49.060 English Version Aerospace serie
5、s - Electrical contacts used in elements of connection - Part 078: Contacts size 22 for EN 2997, electrical, male, type A, crimp, class S - Product standard Srie arospatiale - Contacts lectriques utiliss dans les organes de connexion - Partie 078: Contacts lectriques taille 22 pour EN 2997, mles, ty
6、pe A, sertir, classe S - Norme de produit Luft- und Raumfahrt - Elektrische Kontakte zur Verwendung in Verbindungselementen - Teil 078: Elektrische Stiftkontakte Gre 22, fr EN 2997, Typ A, crimpbar, Klasse S - Produktnorm This European Standard was approved by CEN on 14 June 2014. CEN members are bo
7、und 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 obtained on application to the
8、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-CENELEC Management Centre
9、 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, Italy, Latvia, Lithuania,
10、 Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000
11、Brussels 2014 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 3155-078:2014 EBS EN 3155-078:2014EN 3155-078:2014 (E) 2 Contents Page Foreword 3 Introduction . 4 1 Scope 5 2 Normative references 5 3 Terms and definitions . 5 4 Requi
12、red characteristics . 6 4.1 Specific characteristics . 6 4.2 Dimensions and mass . 6 4.3 Marking by colour code 6 4.4 Material, surface treatment . 7 4.5 Permissible cables 7 4.6 Tooling 7 4.7 Cable stripping . 8 4.8 Tests 8 4.9 Gauges 9 5 Designation 9 6 Marking . 10 7 Technical specification . 10
13、BS EN 3155-078:2014EN 3155-078:2014 (E) 3 Foreword This document (EN 3155-078:2014) 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 Association, this Standard has
14、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 endorsement, at the latest by May 2
15、015, and conflicting national standards shall be withdrawn at the latest by May 2015. 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 any or all such patent rights.
16、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, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Ger
17、many, 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 3155-078:2014EN 3155-078:2014 (E) 4 Introduction The contacts defined in this sta
18、ndard are specified for EN 2997 high density. BS EN 3155-078:2014EN 3155-078:2014 (E) 5 1 Scope This European Standard specifies the required characteristics and tests applicable to male electrical contacts 078, type A, crimp, class S, used in elements of connection according to EN 3155-002. It shal
19、l be used together with EN 3155-001. The associated female contacts are defined in EN 3155-079. 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 app
20、lies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 2083, Aerospace series Copper or copper alloy conductors for electrical cables Product standard EN 2591 1), Aerospace series Elements of electrical and optical connection Test methods E
21、N 2997 (all parts), Aerospace series Connectors, electrical, circular, coupled by threaded ring, fire-resistant or non fire-resistant, operating temperatures 65 C to 175 C continuous, 200 C continuous, 260 C peak EN 3155-001, Aerospace series Electrical contacts used in elements of connection Part 0
22、01: Technical specification EN 3155-002, Aerospace series Electrical contacts used in elements of connection Part 002: List and utilization of contacts EN 3155-079, Aerospace series Electrical contacts used in elements of connection Part 079: Contacts size 22 for EN 2997, electrical, female, type A,
23、 crimp, class S Product standard ISO 8843, Aircraft Crimp-removable contacts for electrical connectors Identification system SAE-AS22520, Crimping tools, wire termination, general specification for 2)SAE-AS81969, Installing and removal tools, connector electrical contact, general specification for 2
24、)3 Terms and definitions For the purposes of this standard, the terms and definitions given in EN 3155-001 apply. 1) All parts quoted in Table 6. 2) Published by: SAE National (US) Society of Automotive Engineers http:/www.sae.org/ BS EN 3155-078:2014EN 3155-078:2014 (E) 6 4 Required characteristics
25、 4.1 Specific characteristics Type A contacts are for general application and class S corresponds to an operating temperature range from 65 C to 200 C. 4.2 Dimensions and mass See Figure 1. Dimensions and tolerances are given in millimetres and apply after surface treatment. Mass: 0,16 g. Key 1 One
26、side only 2 Electrical engagement point 3 0,10 rad. min. at tip Figure 1 4.3 Marking by colour code See Table 1. Table 1 Marking Two bands according to ISO 8843 Size Contact Barrel Band 1 Band 2 Dot 22 22 Green Green BS EN 3155-078:2014EN 3155-078:2014 (E) 7 4.4 Material, surface treatment Body mate
27、rial: copper alloy. Surface treatment: gold on appropriate undercoat, thickness of protection not specified, selective protection permitted. 4.5 Permissible cables See Table 2. Table 2 null Permissible cables Size Size of conductors Rated test current A Contact Barrel ASD codeSection mm2AWG a22 22 0
28、04 0,40 22 5 002 0,25 24 3 001 0,15 26 2 aAWG = Closest American Wire Gage. 4.6 Tooling 4.6.1 Crimping tools Conform to SAE-AS22520, see Table 3. The qualification selector numbers used for crimping copper or copper alloy conductors in cables EN 2083 are indicated in Table 3. It is the responsibilit
29、y of the user if the parameters in Table 3 are changed for service use. Table 3 null Crimping tools Contact Cable size Tool M22520/2-01 Contact size Barrel size ASD code AWGaPositioner Selector number 22 22 001 26 M22520/2-23 3 002 24 3 004 22 5 aAWG = Closest American Wire Gage. 4.6.2 Insertion/Ext
30、raction tools Conform to SAE-AS81969. See Table 4. BS EN 3155-078:2014EN 3155-078:2014 (E) 8 Table 4 null Insertion/Extraction tools Size Insertion tools Extraction tools Contact Barrel 22 22 M81969/1-01 or M81969/14-01 M81969/1-01 or M81969/14-01 4.7 Cable stripping See Table 5. Table 5 null Cable
31、stripping Size Stripped length of cable mm 0,5 Contact Barrel 22 22 4,5 4.8 Tests Tests according to EN 2591-100, see Table 6. Table 6 null Test reference (1 of 2) EN 2591- Designation of the test Not applicable Applicable According to EN 3155-001 Remarks 101 Visual examination X 102 Examination of
32、dimensions and mass X 201 Contact resistance - low level X 202 Contact resistance at rated current X 204 Discontinuity of contacts in the microsecond range X 210 Electrical overload X 220 Contact/conductor joint ageing by current and temperature cycling X 301 Endurance at temperature X T = (200 2) C
33、 Duration: 1 000 h 305 Rapid change of temperature X TA= (200 2) C TB= ( 65 2) C 307 Salt mist X 315 Fluid resistance X 316 Ozone resistance X 319 Gastightness of solderless wrapped connections X BS EN 3155-078:2014EN 3155-078:2014 (E) 9 Table 6 null Test reference (2 of 2) EN 2591- Designation of t
34、he test Not applicable Applicable According to EN 3155-001 Remarks 402 Shock X 403 Sinusoidal and random vibration X Temperature at 200 C 406 Mechanical endurance X 415 Test probe damage (female contacts) X 416 Contact bending strength X 417 Tensile strength (crimped connection) X 418 Gauge insertio
35、n/extraction forces (female contacts) X 424 Stripping force, solderless wrapped connections X 425 Unwrapping capability, solderless wrapped connections X 501 Soft solderability X 502 Restricted entry X 503 Contact deformation after crimping X 507 Plating porosity X 508 Measurement of thickness of co
36、ating 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-contained solder and flux X 4.9 Gauges See EN 3155-001. 5 Designation EXAMPLE Description block CONTACT, ELECTRICAL Identity block E
37、N3155-078M2222 Number of this standard Type of contact: M: male 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. BS EN 3155-078:2014EN 3155-078:2014 (E) 10 6 Marking See EN 3155-001. 7 Technic
38、al specification See EN 3155-001. This page deliberately left blankBSI is the national body responsible for preparing British Standards and other standards-related publications, information and services.BSI is incorporated by Royal Charter. British Standards and other standardization products are pu
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