prEN 3645-002
(Main)Aerospace series - Connectors, electrical, circular, scoop-proof, triple start threaded coupling, operating temperature 175 °C or 200 °C continuous - Part 002: Specification of performance and contact arrangements
Aerospace series - Connectors, electrical, circular, scoop-proof, triple start threaded coupling, operating temperature 175 °C or 200 °C continuous - Part 002: Specification of performance and contact arrangements
This document defines the performances and contact arrangements for threaded ring coupling circular connectors, fire resistant or non-fire resistant, intended for use in a temperature range from -65 °C to 175 °C or 200 °C continuous.
Luft- und Raumfahrt - Elektrische Rundsteckverbinder, kontaktgeschützt, dreigängige Gewinde-Schnellkupplung, Betriebstemperatur 175 °C oder 200 °C konstant - Teil 002: Leistungsdaten und Kontaktanordnungen
Série aérospatiale - Connecteurs électriques circulaires, à contacts protégés, à accouplement par filetage, à pas rapide à trois filets, température d'utilisation 175 °C ou 200 °C continu - Partie 002 : Spécification de performances et arrangements des contacts
Le présent document définit les performances et les arrangements de contacts des connecteurs circulaires à accouplement par bague filetée, résistant au feu ou non, destinés à être utilisés dans une plage de températures comprises entre -65 °C et 175 °C, ou 200 °C continu.
Aeronavtika - Konektorji, električni, okrogli, zaščiten kontakt, hitra spojka z navojem, stalna delovna temperatura 175 °C ali 200 °C - 002. del: Specifikacija lastnosti in razporeditev kontaktov
General Information
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Standards Content (Sample)
SLOVENSKI STANDARD
oSIST prEN 3645-002:2022
01-september-2022
Aeronavtika - Konektorji, električni, okrogli, zaščiten kontakt, hitra spojka z
navojem, stalna delovna temperatura 175 °C ali 200 °C - 002. del: Specifikacija
lastnosti in razporeditev kontaktov
Aerospace series - Connectors, electrical, circular, scoop-proof, triple start threaded
coupling, operating temperature 175 °C or 200 °C continuous - Part 002: Specification of
performance and contact arrangementsLuft- und Raumfahrt - Elektrische Rundsteckverbinder, kontaktgeschützt, dreigängige
Gewinde-Schnellkupplung, Betriebstemperatur 175 °C oder 200 °C konstant - Teil 002:
Leistungsdaten und KontaktanordnungenSérie aérospatiale - Connecteurs électriques circulaires, à contacts protégés, à
accouplement par filetage, à pas rapide à trois filets, température d'utilisation 175 °C ou
200 °C continu - Partie 002 : Spécification de performances et arrangements descontacts
Ta slovenski standard je istoveten z: prEN 3645-002
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 3645-002:2022 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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oSIST prEN 3645-002:2022
DRAFT
EUROPEAN STANDARD
prEN 3645-002
NORME EUROPÉENNE
EUROPÄISCHE NORM
July 2022
ICS 49.060 Will supersede EN 3645-002:2015
English Version
Aerospace series - Connectors, electrical, circular, scoop-
proof, triple start threaded coupling, operating
temperature 175 °C or 200 °C continuous - Part 002:
Specification of performance and contact arrangements
Série aérospatiale - Connecteurs électriques Luft- und Raumfahrt - Elektrische Rundsteckverbinder,
circulaires, à contacts protégés, à accouplement par kontaktgeschützt, dreigängige Gewinde-
filetage, à pas rapide à trois filets, température Schnellkupplung, Betriebstemperatur 175 °C oder 200
d'utilisation 175 °C ou 200 °C continu - Partie 002 : °C konstant - Teil 002: Leistungsdaten und
Spécification de performances et arrangements des Kontaktanordnungencontacts
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, Turkey 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
© 2022 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 3645-002:2022 E
worldwide for CEN national Members.---------------------- Page: 3 ----------------------
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prEN 3645-002:2022 (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 ....................................................................................................... 5
5 Operating conditions ..................................................................................................................................... 8
5.1 Combinations of plugs and receptacles .................................................................................................. 8
5.2 Combinations of protective covers and connectors ........................................................................... 9
5.3 Permissible cables .......................................................................................................................................... 9
5.4 Operating characteristics .......................................................................................................................... 10
5.4.1 Electrical conditions .................................................................................................................................... 10
5.4.2 Climatic conditions ....................................................................................................................................... 12
5.4.3 Mechanical conditions ................................................................................................................................ 12
6 Type codes ....................................................................................................................................................... 12
7 Polarization ..................................................................................................................................................... 13
8 Housing sizes and contact arrangements............................................................................................. 13
9 Contact arrangements ................................................................................................................................. 17
10 Contact .............................................................................................................................................................. 29
11 Sealing plugs ................................................................................................................................................... 29
12 Rear accessories ............................................................................................................................................ 30
13 Tooling .............................................................................................................................................................. 30
14 Assembly and wiring instructions .......................................................................................................... 30
Bibliography ................................................................................................................................................................. 31
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prEN 3645-002:2022 (E)
European foreword
This document (prEN 3645-002:2022) 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, prior to its presentation to CEN.This document is currently submitted to the CEN Enquiry.
This document will supersede EN 3645-002:2015.
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Introduction
This family of connectors is derived from MIL-DTL-38999/30C series III, with which it is intermateable
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1 Scope
This document defines the performances and contact arrangements for threaded ring coupling circular
connectors, fire resistant or non-fire resistant, intended for use in a temperature range from −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 deratingEN 3197, Aerospace series — Design and installation of aircraft electrical and optical interconnection
systemsEN 3645, Aerospace series — Connectors, electrical, circular, scoop-proof, triple start threaded coupling,
operating temperature 175 °C or 200 °C continuousEN 3660-002, Aerospace series — Cable outlet accessories for circular and rectangular electrical and
optical connectors — Part 002: Index of product standardsEN 4529-002, Aerospace series — Elements of electrical and optical connection — Sealing plugs —
Part 002: Index of product standards3 Terms and definitions
For the purposes of this document, the terms and definitions given in EN 3645 apply.
ISO and IEC maintain terminological 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/
4 Description and codification of class
See Table 1.
Published as ASD-STAN Standard at the date of publication of this document by AeroSpace and Defence
industries Association of Europe — Standardization (ASD-STAN), https://www.asd-stan.org/.
All parts quoted in this document.---------------------- Page: 7 ----------------------
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Table 1
Model Description
Receptacles and plugs, cadmium-plated aluminium alloy, olive drab — 500 h
salt spray — Plug with grounding spring — Crimp, removable contacts —
Maximum operating temperature 175 °C continuous
Receptacles and plugs, cadmium-plated composite, olive drab — 2 000 h salt
J spray — Plug with grounding spring — Crimp, removable contacts —
1 500 matings — Maximum operating temperature 175 °C continuous
Connector
Receptacles and plugs, zinc-nickel plated composite, non reflective dark —
with Zero hexavalent chromium compounds (see Table 2 list) added by any
actor of the Supply Chain or used in the manufacturing process. — The coating
V shall consist of a zinc nickel alloy that has a minimum of 12 and maximum
20 mass percent nickel, the balance being zinc — 2 000 h salt spray — Plug
with grounding spring — Crimp, removable contacts — 1 500 matings —
Maximum operating temperature 175 °C continuous
Receptacles and plugs, zinc-nickel plated aluminium alloy, non-reflective
dark — with zero hexavalent chromium compounds (see Table 2 list) added
by any actor of the supply chain or used in the manufacturing process —
The coating shall consist of a zinc nickel alloy that has a minimum of 12 and
maximum 20 mass percent nickel, the balance being zinc — 500 h salt
spray — Plug with grounding spring — Crimp, removable contacts —
Maximum operating temperature 175 °C continuous
Receptacles and plugs, passivated stainless steel — 500 h salt spray — Plug
with grounding spring — Fire-resistant — Crimp, removable contacts —
Maximum operating temperature 200 °C continuous
Receptacles and plugs, nickel-plated aluminium alloy — 48 h salt spray —
Connector
F Plug with grounding spring — Crimp, removable contacts — Maximum
operating temperature 200 °C continuous
Receptacles and plugs, nickel-plated composite — 2 000 h salt spray — Plug
M with grounding spring — Crimp, removable contacts — 1 500 matings —
Maximum operating temperature 200 °C continuous
Hermetic receptacle, passivated stainless steel — Solder contacts —
Maximum operating temperature 200 °C continuous
Receptacles and plugs, nickel fluorocarbon polymer plated aluminium alloy,
non-reflective — 500 h salt spray — Plug with grounding spring — Crimp,
removable contacts — Maximum operating temperature 175 °C continuous
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Model Description
Protective cover for plug in passivated corrosion resisting steel — Maximum
operating temperature 200 °C continuous
Protective cover for receptacle or plug in nickel-plated aluminium alloy —
Maximum operating temperature 200 °C continuous
Protective cover for receptacle or plug, zinc-nickel plated aluminium alloy,
non-reflective dark — with zero hexavalent chromium compounds
(see Table 2 list) added by any actor of the supply chain or used in the
Protective Z
manufacturing process — The coating shall consist of a zinc nickel alloy that
cover
has a minimum of 12 and maximum 20 mass percent nickel, the balance being
zinc — Maximum operating temperature 175 °C continuous
Protective cover for receptacle or plug in olive-green cadmium-plated
aluminium alloy — Maximum operating temperature 175 °C continuous
Protective cover for receptacle or plug in nickel fluorocarbon polymer plated
aluminium alloy, non-reflective — Maximum operating temperature 175 °C
continuous
Dummy receptacle in passivated stainless steel — Maximum operating
temperature 200 °C continuous
Dummy
receptacle
Dummy receptacle in nickel-plated aluminium alloy — Maximum operating
temperature 200 °C continuous
Dummy receptacle, zinc-nickel plated aluminium alloy, non-reflective dark —
with zero hexavalent chromium compounds (see Table 2 list) added by any
actor of the supply chain or used in the manufacturing process — The coating
shall consist of a zinc nickel alloy that has a minimum of 12 and maximum
20 mass percent nickel, the balance being zinc — Maximum operating
Dummy
temperature 175 °C continuous
receptacle
Dummy receptacle in olive-green cadmium-plated aluminium alloy —
Maximum operating temperature 175 °C continuous
Dummy receptacle in nickel fluorocarbon polymer plated aluminium alloy,
non-reflective — Maximum operating temperature 175 °C continuous
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Table 2 — Hexavalent chromium compound list
Substance name CAS number
Acids generated from chromium
trioxide and their oligomers. Names
7738–95–5
of the acids and their oligomers:
chromic acid, dichromic acid,
13530–68–2
oligomers of chromic acid and
dichromic acid.
Chromium trioxide 1333–82–0
Potassium dichromate 7778–50–9
Sodium chromate 7775–11–3
7789–12–0
Sodium dichromate
10588–01–9
Dichromium tris(chromate) 24613–89–6
Pentazinc chromate octahydroxide 49663–84–5
Potassium
11103–86–9
hydroxyoctaoxodizincatedichromate
Strontium chromate 7789–06–2
5 Operating conditions
5.1 Combinations of plugs and receptacles
Table 3 shows the combinations marked by (X) which achieve the characteristics specified for each
model.For other combinations, the characteristics of the pair of connectors are those of the component with
the lowest performance.Other combinations may be used subject to the approval of the design authority.
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Table 3
Plug model
Receptacle model
W F J V M K Z T
W X — X X — — X —
F — X — — X — — —
J X — X X — — X —
V X — X X — — X —
M — X — — X — — —
Y — — — — X X — —
K — — — — — X — —
Z X — X X — — X —
T — — — — — — — X
5.2 Combinations of protective covers and connectors
See Table 4.
Table 4
Flight cap Receptacle Dummy receptacle Plug
for receptacle model Flight cap for plug model
J/V J/V
W W W W
Z Z
M M
F F
F F
Y K
K K
Z Z
Z Z
W/J/V W/J/V
T T T T
5.3 Permissible cables
The sealing performance of these connectors is achieved with the cables of dimensions given in Table 5,
using the accessories wiring tools specified.---------------------- Page: 11 ----------------------
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Table 5
Dimensions are in millimetres
Outer diameters of cables
Contact size
min. max.
22 0,75 1,37
20 1,01 2,11
16 1,65 2,77
12 2,47 3,61
10 3,42 5,21
8 a a
The cables for size 8 contacts are specified in the contact product
standard.
NOTE The use of cables exceeding the maximum diameter indicated is prohibited. Cables smaller than the
minimum diameter can be used, subject to a concession, provided that the requirements of EN 3197 are observed.
5.4 Operating characteristics5.4.1 Electrical conditions
5.4.1.1 Withstand voltage
See Table 6.
Table 6
Rating M Rating N Rating I Rating II
Mated Unmated Mated Unmated Mated Unmated Mated Unmated
Pressure
V V V V V V V V
rms rms rms rms rms rms rms rms
Sea level 1 300 1 300 1 000 1 000 1 800 1 800 2 300 2 300
12,1 kPa
800 550 600 400 1 000 600 1 000 800
(15 000 m)
4,7 kPa
800 350 600 260 1 000 400 1 000 500
(21 000 m)
1,1 kPa
800 200 600 20
...
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