ASD-STAN PREN 3155-078-2013 Aerospace series Electrical contacts used in elements of connection Part 078 Contacts size 22 for EN 2997 electrical male type A crimp class S Product s.pdf

1、ASD-STAN STANDARD NORME ASD-STAN ASD-STAN NORM prEN 3155-078 Edition P 1 September 2013 PUBLISHED BY THE AEROSPACE AND DEFENCE INDUSTRIES ASSOCIATION OF EUROPE - STANDARDIZATION Rue Montoyer 10 - 1000 Brussels - Tel. 32 2 775 8126 - Fax. 32 2 775 8131 - www.asd-stan.org ICS: 49.060 Descriptors: ENGL

2、ISH VERSION Aerospace series 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

3、 EN 2997, mles, type 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 “Aerospace Series“ Prestandard has been drawn up under the resp

4、onsibility of ASD-STAN (The AeroSpace and Defence Industries Association of Europe - Standardization). It is published for the needs of the European Aerospace Industry. It has been technically approved by the experts of the concerned Domain following member comments. Subsequent to the publication of

5、 this Prestandard, the technical content shall not be changed to an extent that interchangeability is affected, physically or functionally, without re-identification of the standard. After examination and review by users and formal agreement of ASD-STAN, it will be submitted as a draft European Stan

6、dard (prEN) to CEN (European Committee for Standardization) for formal vote and transformation to full European Standard (EN). The CEN national members have then to implement the EN at national level by giving the EN the status of a national standard and by withdrawing any national standards conflic

7、ting with the EN. Edition approved for publication 1 September 2013 Comments should be sent within six months after the date of publication to ASD-STAN Electrical Domain Copyright 2013 by ASD-STAN prEN 3155-078:2013 (E) 2 Contents Page Foreword 2 Introduction . 3 1 Scope 3 2 Normative references 3 3

8、 Terms and definitions . 3 4 Required characteristics . 4 4.1 Specific characteristics . 4 4.2 Dimensions and mass . 4 4.3 Marking by colour code 4 4.4 Material, surface treatment . 5 4.5 Permissible cables 5 4.6 Tooling 5 4.7 Cable stripping . 6 4.8 Tests 6 4.9 Gauges 7 5 Designation 7 6 Marking .

9、8 7 Technical specification . 8 Foreword This standard was reviewed by the Domain Technical Coordinator of ASD-STANs Electrical Domain. After inquiries and votes carried out in accordance with the rules of ASD-STAN defined in ASD-STANs General Process Manual, this standard has received approval for

10、Publication. prEN 3155-078:2013 (E) 3 Introduction The contacts defined in this standard are specified for EN 2997 high density. 1 Scope This standard specifies the required characteristics and tests applicable to male electrical contacts 078, type A, crimp, class S, used in elements of connection a

11、ccording to EN 3155-002. It shall be used together with EN 3155-001. The associated female contacts are defined in EN 3155-079. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For

12、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 EN 2997 (al

13、l 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 001: Techni

14、cal 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, crimp, cl

15、ass S Product standard ISO 8843, Aircraft Crimp-removable contacts for electrical connectors Identification system MIL-DTL-22520G, Crimping tools, wire termination, general specification for 2)MIL-I-81969B, Installing and removal tools, connector electrical contact, general specification for 2) 3 Te

16、rms 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: DoD National (US) Mil. Department of Defense http:/www.defenselink.mil/ prEN 3155-078:2013 (E) 4 4 Required characteristics 4.1 Specific chara

17、cteristics 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 side only 2 Electri

18、cal 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 prEN 3155-078:2013 (E) 5 4.4 Material, surface treatment Body material: copper alloy. Surface treatmen

19、t: gold on appropriate undercoat, thickness of protection not specified, selective protection permitted. 4.5 Permissible cables See Table 2. Table 2 Permissible cables Size Size of conductors Rated test current A Contact Barrel ASD codeSection mm2AWG a22 22 004 0,40 22 5 002 0,25 24 3 001 0,15 26 2

20、aAWG Closest American Wire Gage. 4.6 Tooling 4.6.1 Crimping tools Conform to MIL-DTL-22520G, 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 responsibility of the user if the parameters in Table

21、 3 are changed for service use. Table 3 Crimping tools Contact Cable size Tools 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/Extraction tools Conform to MIL-I-81969B. See Tab

22、le 4. prEN 3155-078:2013 (E) 6 Table 4 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 Cable stripping Size Stripped length of cable mm 0,5 Contact Barrel 22 22 4,5

23、4.8 Tests Tests according to EN 2591-100, see Table 6. Table 6 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 dimensions and mass X 201 Contact resistance - low level X 202 Contact resist

24、ance 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 Duration: 1 000 h 305 Rapid change of temperature X TA (200 2) C TB ( 65 2) C

25、307 Salt mist X 315 Fluid resistance X 316 Ozone resistance X 319 Gastightness of solderless wrapped connections X prEN 3155-078:2013 (E) 7 Table 6 Test reference (2 of 2) EN 2591- Designation of the test Not applicable Applicable According to EN 3155-001 Remarks 402 Shock X 403 Sinusoidal and rando

26、m 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 insertion/extraction forces (female contacts) X 424 Stripping force, solderless wrapped connections X 425 Unwra

27、pping 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 coating on contacts X The measured thickness shall be recorded. 509 Adhesion of coating on contacts X 513

28、 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 EN3155-078M2222 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. prEN 3155-078:2013 (E) 8 6 Marking See EN 3155-001. 7 Technical specification See EN 3155-001.