EN 3155-001:2025
(Main)Aerospace series - Electrical contacts used in elements of connection - Part 001: Technical specification
Aerospace series - Electrical contacts used in elements of connection - Part 001: Technical specification
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.
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
Le présent document spécifie :
— les caractéristiques électriques, mécaniques, d'environnement et dimensionnelles des contacts électriques utilisés dans les organes de connexion, y compris les contacts coaxiaux, triaxiaux et quadrax ;
— les conditions de qualification, d’essais de réception et d'assurance qualité ;
— les programmes et les groupes d'essais.
Elle s'applique aux contacts à sertir amovibles, aux contacts pour connexions enroulées, aux contacts à souder utilisés dans les connecteurs ou dans d'autres organes de connexion électrique.
En cas de conflit ou d’information manquante entre l’EN 3155 001 et les normes de produits, la norme de produit doit prévaloir.
Aeronavtika - Električni kontakti za uporabo v veznih elementih - 001. del: Tehnična specifikacija
General Information
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Standards Content (Sample)
SLOVENSKI STANDARD
oSIST prEN 3155-001:2023
01-september-2023
Nadomešča:
SIST EN 3155-001:2016
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: prEN 3155-001
ICS:
49.060 Letalska in vesoljska Aerospace electric
električna oprema in sistemi equipment and systems
oSIST prEN 3155-001:2023 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
oSIST prEN 3155-001:2023
oSIST prEN 3155-001:2023
DRAFT
EUROPEAN STANDARD
prEN 3155-001
NORME EUROPÉENNE
EUROPÄISCHE NORM
June 2023
ICS 49.060
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 draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee ASD-
STAN.
If this draft becomes a European Standard, 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.
This draft European Standard was established by CEN 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.
Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are
aware and to provide supporting documentation.
Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without
notice and shall not be referred to as a European Standard.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2023 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 3155-001:2023 E
worldwide for CEN national Members.
oSIST prEN 3155-001:2023
prEN 3155-001:2023 (E)
Contents Page
European foreword . 3
1 Scope . 4
2 Normative references . 4
3 Terms and definitions . 5
4 Conditions of use . 7
4.1 Types of contact . 7
4.2 Temperature classes. 7
4.3 Permissible wires and cables . 8
5 Design and description . 8
5.1 Design . 8
5.2 Materials . 10
5.3 Metallic protective plating. 10
6 Dimensions and mass . 12
7 Operation . 12
8 Tests . 12
9 Quality assurance . 24
9.1 General. 24
9.2 Conditions for qualification . 24
9.3 Inspection conditions for manufacturing lots . 38
9.4 Maintenance of qualification . 38
10 Designation and marking . 47
10.1 Designation . 47
10.2 Marking . 48
11 Delivery conditions . 48
12 Packaging . 48
13 Storage . 49
Annex A (informative) Symbols of contact sizes in contact arrangement drawings . 50
Bibliography . 51
oSIST prEN 3155-001:2023
prEN 3155-001:2023 (E)
European foreword
This document (prEN 3155-001:2023) 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 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 document is currently submitted to the CEN Enquiry.
This document will supersede EN 3155-001:2016.
The main changes compared to the previous edition are as follows:
— 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.
oSIST prEN 3155-001:2023
prEN 3155-001:2023 (E)
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 referenced document (including any amendments) applies.
EN 2083, Aerospace series - Copper and copper alloys conductors for electrical cables - Product standard
EN 2242, Aerospace series - Crimping of electric cables with conductors defined by EN 2083, EN 4434 and
EN 2346
EN 2424, Aerospace series - Marking of aerospace products
EN 2591 (all parts), Aerospace series — Elements of electrical and optical connection — Test methods
EN 3197, Aerospace series - Design and installation of aircraft electrical and optical interconnection systems
EN 4434, Aerospace series - Copper or copper alloy lightweight conductors for electrical cables - Product
standard (Normal and tight tolerances)
EN 9133, Aerospace series - Quality Management Systems - Qualification Procedure for Aerospace Standard
Products
EN ISO 27874, Metallic and other inorganic coatings - Electrodeposited gold and gold alloy coatings for
electrical, electronic and engineering purposes - Specification and test methods (ISO 27874:2008)
ISO 2859-1, Sampling procedures for inspection by attributes — Part 1: Sampling schemes indexed by
acceptance quality limit (AQL) for lot-by-lot inspection
ISO 8843, Aircraft — Crimp-removable contacts for electrical connectors — Identification system
IEC 60352-1, Solderless connections — Part 1: Wrapped connections — General requirements, test
methods and practical guidance
1 Published by: IEC International Electrotechnical Commission https://www.iec.ch/
oSIST prEN 3155-001:2023
prEN 3155-001:2023 (E)
TR 3198, Aerospace series — Manufacturers' identification monograms and marks for EN aerospace
products
3 Terms and definitions
For the purposes of this document, the terms and definitions given in EN 2591-100 and the following
apply.
ISO and IEC maintain terminology databases for use in standardization at the following addresses:
— ISO Online browsing platform: available at https://www.iso.org/obp
— IEC Electropedia: available at https://www.electropedia.org/
3.1
LSP
Length of Selective Protection
3.2
point of electrical contact
position of point of application of the force which provides contact pressure
3.3
contact active area
part of the contact which allows current to pass between the contact male and female
3.4
contact transition area
all mechanical liaisons that contribute to electrical performance and which are different from contact
active area defined in 3.3
3.5
coaxial contact male or female
assembly of two contacts arranged coaxially enabling the connection of coaxial, shielded or bifilar cables
Note 1 to entry: See Figure 1.
Note 2 to entry: Male coaxial contact where the outer contact is male; the central contact(s) may be male or female.
Note 3 to entry: Female coaxial contact where the outer contact is female; the central contact(s) may be male or
female.
Key
1 Centre contact
2 Outer contact
Figure 1 — Coupling face of coaxial contact male or female
2 Published as ASD-STAN Technical Report at the date of publication of this European
Standard.http://www.asd-stan.org/
oSIST prEN 3155-001:2023
prEN 3155-001:2023 (E)
3.6
triaxial contacts male or female
assembly of three contacts arranged coaxially, enabling the connection of shielded triaxial or bifilar cables
Note 1 to entry: See Figure 2.
Note 2 to entry: Male triaxial contact where the outer contact is male; the central contact(s) may be male or female.
Note 3 to entry: Female triaxial contact where the outer contact is female; the central contact(s) may be male or
female.
Key
1 Centre contact
2 Intermediate contact
3 Outer contact
Figure 2 — Coupling face of triaxial contacts male or female
3.7
bifilar contact (twinax)
assembly of three contacts, two of which are parallel, the third being peripheral to these, enabling the
connection of shielded bifilar cables
Note 1 to entry: See Figure 3.
Note 2 to entry: Male twinax contact where the outer contact is male; the central contacts may be male or female.
Note 3 to entry: Female twinax contact where the outer contact is female; the central contacts may be male or
female.
Key
1 Twin parallel contacts
2 Outer contact
Figure 3 — Coupling face of bifilar contact (twinax)
3.8
quadrax contact
assembly of five contacts, four of which are parallel, the fifth being peripheral to these, enabling the
connection of shielded quadrax cables
oSIST prEN 3155-001:2023
prEN 3155-001:2023 (E)
Note 1 to entry: See Figure 4.
Note 2 to entry: Male quadrax contact where the outer contact is male; the central contacts may be male or female.
Note 3 to entry: Female quadrax conta
...
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