EN 3646-002:2026

SLOVENSKI STANDARD
oSIST prEN 3646-002:2024
01-april-2024
Aeronavtika - Konektorji, električni, okrogli, bajonetno sklapljanje, stalna delovna
temperatura 175 °C ali 200 °C - 002. del: Specifikacija lastnosti in razporeditev
kontaktov
Aerospace series - Connectors, electrical, circular, bayonet coupling, operating
temperature 175 °C or 200 °C continuous - Part 002: Specification of performance and
contact arrangements
Luft- und Raumfahrt - Elektrische Rundsteckverbinder mit Bajonettkupplung,
Betriebstemperatur 175 °C oder 200 °C konstant - Teil 002: Leistungsdaten und
Kontaktanordnungen
Série aérospatiale - Connecteurs électriques circulaires à accouplement par baïonnettes,
température d'utilisation 175 °C ou 200 °C continu - Partie 002: Spécification de
performances et arrangements des contacts
Ta slovenski standard je istoveten z: prEN 3646-002
ICS:
31.220.10 Vtiči in vtičnice, konektorji Plug-and-socket devices.
Connectors
49.060 Letalska in vesoljska Aerospace electric
električna oprema in sistemi equipment and systems
oSIST prEN 3646-002:2024 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

oSIST prEN 3646-002:2024
oSIST prEN 3646-002:2024
DRAFT
EUROPEAN STANDARD
prEN 3646-002
NORME EUROPÉENNE
EUROPÄISCHE NORM
February 2024
ICS Will supersede EN 3646-002:2007
English Version
Aerospace series - Connectors, electrical, circular, bayonet
coupling, operating temperature 175 °C or 200 °C
continuous - Part 002: Specification of performance and
contact arrangements
Série aérospatiale - Connecteurs électriques circulaires Luft- und Raumfahrt - Elektrische Rundsteckverbinder
à accouplement par baïonnettes, température mit Bajonettkupplung, Betriebstemperatur 175 °C oder
d'utilisation 175 °C ou 200 °C continu - Partie 002: 200 °C konstant - Teil 002: Leistungsdaten und
Spécification de performances et arrangements des Kontaktanordnungen
contacts
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
© 2024 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 3646-002:2024 E
worldwide for CEN national Members.

oSIST prEN 3646-002:2024
prEN 3646-002:2024 (E)
Contents Page
European foreword . 3
Introduction . 4
1 Scope . 5
2 Normative references . 5
3 Terms and definitions . 5
4 Description and codification of class . 6
5 Technical specification . 6
6 Operating conditions . 6
6.1 Combinations of plugs and receptacles . 6
6.2 Combinations of protective covers and connectors . 7
6.3 Permissible cables . 7
6.4 Operating characteristics . 7
6.4.1 Electrical conditions . 7
6.4.2 Climatic conditions . 9
6.4.3 Mechanical conditions . 9
7 Type codes . 9
8 Polarization . 10
9 Housing sizes and contact arrangements. 10
10 Contacts . 21
11 Filler plugs . 21
12 Rear accessories . 21
13 Tooling . 21
14 Assembly and wiring instructions . 21
Bibliography . 22

oSIST prEN 3646-002:2024
prEN 3646-002:2024 (E)
European foreword
This document (prEN 3646-002:2024) 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 3646-002:2007.
This document includes the following significant technical changes with respect to EN 3646-002:2007:
— update of normative references;
— editorial revision of the document.
oSIST prEN 3646-002:2024
prEN 3646-002:2024 (E)
Introduction
This family of connectors is derived from MIL-DTL-26482 series 2, the NAS 1599 with which it is
intermateable.
oSIST prEN 3646-002:2024
prEN 3646-002:2024 (E)
1 Scope
This document specifies the performances and contact arrangements groups for bayonet coupling
circular connectors, intended for use in an operating temperature range of −65 °C to 175 °C or 200 °C
continuous.
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 2591-209, Aerospace series - Elements of electrical and optical connection - Test methods - Part 209:
Current temperature derating
EN 3197, Aerospace series - Design and installation of aircraft electrical and optical interconnection
systems
EN 3646 (all parts), Aerospace series — Connectors, electrical, circular, bayonet coupling, operating
temperature 175 °C or 200 °C continuous
EN 4529-002, Aerospace series - Elements of electrical and optical connection - Sealing plugs - Part 002:
Index of product standards
3 Terms and definitions
No terms and definitions are listed in this document.
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/
oSIST prEN 3646-002:2024
prEN 3646-002:2024 (E)
4 Description and codification of class
Shall be according to Table 1.
Table 1 — Description and codification of class
Model Description
Sealed plug and receptacle with housing (shell) in black anodized aluminium
A alloy, crimp contacts, with three teeth at the rear of connector, maximum
operating temperature 200 °C continuous
Sealed plug and receptacle with housing (shell) in olive-green cadmium alloy,
conducting finish, 500 h resistance to salt mist, crimp contacts, plug with
WS grounding-spring-system screening
...