SIST EN 3155-001:2025

SLOVENSKI STANDARD
01-junij-2025
Aeronavtika - Električni kontakti za uporabo v veznih elementih - 001. del:
Tehnična specifikacija
Aerospace series - Electrical contacts used in elements of connection - Part 001:
Technical Specification
Luft- und Raumfahrt - Elektrische Kontakte zur Verwendung in Verbindungselementen -
Teil 001: Technische Lieferbedingungen
Série aérospatiale - Contacts électriques utilisés dans les organes de connexion - Partie
001: Spécification technique
Ta slovenski standard je istoveten z: EN 3155-001:2025
ICS:
49.060 Letalska in vesoljska Aerospace electric
električna oprema in sistemi equipment and systems
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN 3155-001
EUROPEAN STANDARD
NORME EUROPÉENNE
April 2025
EUROPÄISCHE NORM
ICS 49.060 Supersedes EN 3155-001:2016
English Version
Aerospace series - Electrical contacts used in elements of
connection - Part 001: Technical specification
Série aérospatiale - Contacts électriques utilisés dans Luft- und Raumfahrt - Elektrische Kontakte zur
les organes de connexion - Partie 001 : Spécification Verwendung in Verbindungselementen - Teil 001:
technique Technische Lieferbedingungen
This European Standard was approved by CEN on 17 February 2025.

CEN members are bound 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 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 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, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2025 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 3155-001:2025 E
worldwide for CEN national Members.

Contents Page
European foreword . 4
1 Scope . 5
2 Normative references . 5
3 Terms, definitions and abbreviations . 6
3.1 Terms and definitions . 6
3.2 Abbreviated terms . 7
4 Conditions of use . 7
4.1 Types of contact . 7
4.2 Temperature classes. 9
4.3 Permissible wires and cables . 9
5 Design and description . 9
5.1 Design . 9
5.1.1 General. 9
5.1.2 Mating end of female contacts, cylindrical contacts . 9
5.1.3 Mating end of male contacts, cylindrical contacts . 9
5.1.4 Solder buckets . 10
5.1.5 Crimp barrels . 10
5.1.6 Terminations for wrapped connections . 10
5.1.7 Surface roughness (see EN ISO 21920-1) . 10
5.1.8 Engagement sequence . 11
5.2 Materials . 11
5.3 Metallic protective plating. 11
5.3.1 General. 11
5.3.2 Crimping area . 11
5.3.3 Transition area . 11
5.3.4 Active area . 11
5.3.5 All other areas . 12
6 Dimensions and mass . 14
7 Operation . 14
8 Tests . 14
9 Quality assurance . 26
9.1 General. 26
9.2 Conditions for qualification . 26
9.2.1 General . 26
9.2.2 Sampling and definition of specimens . 26
9.2.3 Preparation of specimens . 27
9.2.4 Test programme – Type A contacts . 28
9.2.5 Programme of qualification approval tests – Type C contacts . 34
9.2.6 Programme of qualification approval tests – Type D contacts. 36
9.2.7 Programme of qualification approval tests – Type E contacts . 38
9.3 Inspection conditions for manufacturing lots . 41
9.4 Maintenance of qualification . 41
9.4.1 General . 41
9.4.2 Type A contacts . 42
9.4.3 Type C contacts . 44
9.4.4 Type D contacts . 46
9.4.5 Type E contacts . 47
10 Designation and marking . 50
10.1 Designation . 50
10.2 Marking . 51
11 Delivery conditions . 51
12 Packaging . 51
13 Storage . 51
Bibliography . 53

European foreword
This document (EN 3155-001:2025) has been prepared by ASD-STAN.
After enquiries and votes carried out in accordance with the rules of this Association, this document has
received the approval of the National Associations and the Official Services of the member countries of
ASD-STAN, 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 October 2025, and conflicting national standards shall
be withdrawn at the latest by October 2025.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN 3155-001:2016.
This document includes the following significant technical changes with respect to EN 3155-001:2016:
— update of normative references;
— introduction of contact size 23 with barrel 22;
— revision of test 101 and 417 in Table 2;
— removal of remarks in Table 5, Table 6 and Table 7;
— introduction of test 418 prior to test 201 in group 2 of Table 8;
— removal of tests 221, 222 and 223 and introduction of test 508 in group 2 of Table 11;
— editorial revision of the document.
Any feedback and questions on this document should be directed to the users’ national standards body.
A complete listing of these bodies can be found on the CEN website.
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, France, Germany, Greece, Hungary, Iceland,
Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of
North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and the
United Kingdom.
1 Scope
This document specifies:
— the electrical, mechanical, environmental and dimensional characteristics of electrical contacts used
in elements of connection, including coaxial, triaxial and quadrax contacts;
— the conditions for qualification, acceptance testing and quality assurance;
— the test programs and groups.
It is applicable to removable crimp contacts, wrap contacts, solder contacts used in connectors or in
other elements of electrical connection.
In case of conflict or missing information between the EN 3155-001 and the product standards, the
product standard takes precedence.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenc
...