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 - Part 001: Technical specification

This European Standard specifies the general characteristics, the conditions for qualification acceptance and quality assurance, and the test programs and groups 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 continuous, 200 °C continuous or 260 °C peak according to the classes and models.

Luft- und Raumfahrt - Elektrische Rundsteckverbinder mit Schraubkupplung, feuerbeständig oder nicht feuerbeständig, Betriebstemperaturen - 65 °C bis 175 °C konstant, 200 °C konstant, 260 °C Spitze - Teil 001: Technische Lieferbedingungen

Série aérospatiale - Connecteurs électriques circulaires à accouplement par bague filetée, résistant au feu ou non, températures d'utilisation – 65 °C à 175 °C continu, 200 °C continu, 260 °C en pointe - Partie 001: Spécification technique

Aeronavtika - Konektorji, električni, okrogli, priključeni z navojnim obročkom, odporni ali neodporni proti ognju, s stalno delovno temperaturo med –65 °C in 175 °C, 200 °C, najvišjo 260 °C - 001. del: Tehnična specifikacija

Ta evropski standard določa splošne značilnosti, pogoje kvalifikacije, sprejemljivosti in zagotavljanja kakovosti ter preskusne programe in skupine za okrogle konektorje, priključene z navojnim obročkom, ognjevzdržne ali ne ognjevzdržne, za uporabo pri stalnih temperaturah med 65 °C in 175 °C, pri stalni temperaturi 200 °C ali pri najvišji temperaturi 260 °C, odvisno od razreda in modela.

General Information

Status
Published
Publication Date
07-Aug-2017
Technical Committee
I13 - Imaginarni 13
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
10-Jul-2017
Due Date
14-Sep-2017
Completion Date
08-Aug-2017

Relations

Effective Date
28-Jun-2017
Effective Date
04-Jul-2012

Overview

SIST EN 2997-001:2017 is the European technical specification for aerospace circular electrical connectors coupled by a threaded ring, fire‑resistant or non‑fire‑resistant, intended for harsh aircraft environments. The standard defines general characteristics, qualification/acceptance conditions, quality assurance, and the required test programs and groups for connectors rated for operating temperature ranges of −65 °C to 175 °C continuous, 200 °C continuous, or 260 °C peak according to class and model.

Key topics and technical requirements

  • Scope & intermateability
    • Covers threaded‑ring circular connectors derived from MIL‑DTL‑83723 Series III (type T) and intermateable with it.
  • Temperature classes
    • Specified continuous and peak operating temperatures: −65 °C → 175 °C continuous; 200 °C continuous; 260 °C peak.
  • Design & mechanical features
    • Threaded‑ring coupling with self‑locking nut and manual mechanical stop.
    • Polarization by keyways and keys; visual coupling indication via a blue colour band.
    • Coupling torque requirement: coupling torque at least 50% lower than uncoupling torque.
  • Contacts & inserts
    • Uses crimp or solder contacts in sizes 22, 20, 16, 12.
    • Contacts: ferrous alloy for classes Y/YE (gold‑plated), copper alloy for other models.
    • Inserts: hard, non‑removable in many models; grommet and seals sized to allow proper cable sealing/outlet.
  • Materials & surface treatment
    • Housings: passivated stainless steel or aluminium with nickel/cadmium protection; galvanic compatibility limits (max cell EMF 0.25 V) to avoid corrosion.
  • Quality, tests & documentation
    • Defines qualification acceptance, quality assurance program, test programs/groups and test methods (see associated EN test standards).
    • Includes designation/marking, delivery, packaging and storage requirements.

Practical applications and who uses this standard

  • Primary users
    • Aerospace component designers and connector manufacturers specifying and producing circular, threaded‑ring connectors for aircraft, engine and severe‑environment zones.
    • Quality assurance and test engineers performing qualification and acceptance testing.
    • Procurement, certification bodies and maintenance/repair organizations ensuring component conformity and interchangeability.
  • Typical applications
    • Engine bay wiring, harsh environmental zones on aircraft where high temperature, fire resistance and mechanical robustness are required.
    • Systems requiring interchangeability with MIL‑DTL‑83723 type T connectors.

Related standards (selection)

  • EN 2997 (all parts) - family of related connector standards
  • EN 2997-002 - product details / spare parts
  • EN 2591 (test methods) - elements of electrical/optical connection test methods
  • EN 4067 - scoop‑proof circular connectors (260 °C peak)
  • EN 2282, EN 2267‑002, EN 2346‑002 - cables and aircraft electrical supply characteristics
  • EN 9133 - qualification procedure for aerospace standard parts
  • ISO 263; MIL‑DTL‑83723; MIL‑HDBK‑454B

This standard is essential for designing, qualifying and procuring threaded‑ring circular connectors used where temperature resilience, fire performance, mechanical reliability and aerospace interchangeability are required.

Standard

SIST EN 2997-001:2017

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72 pages
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Frequently Asked Questions

SIST EN 2997-001:2017 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "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 - Part 001: Technical specification". This standard covers: This European Standard specifies the general characteristics, the conditions for qualification acceptance and quality assurance, and the test programs and groups 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 continuous, 200 °C continuous or 260 °C peak according to the classes and models.

This European Standard specifies the general characteristics, the conditions for qualification acceptance and quality assurance, and the test programs and groups 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 continuous, 200 °C continuous or 260 °C peak according to the classes and models.

SIST EN 2997-001:2017 is classified under the following ICS (International Classification for Standards) categories: 31.220.10 - Plug-and-socket devices. Connectors; 49.060 - Aerospace electric equipment and systems. The ICS classification helps identify the subject area and facilitates finding related standards.

SIST EN 2997-001:2017 has the following relationships with other standards: It is inter standard links to SIST EN 2997-001:2011, SIST EN 2997-001:2011. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.

SIST EN 2997-001:2017 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.

Standards Content (Sample)


2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Luft- und Raumfahrt - Elektrische Rundsteckverbinder mit Schraubkupplung, feuerbeständig oder nicht feuerbeständig, Betriebstemperaturen - 65 °C bis 175 °C konstant, 200 °C konstant, 260 °C Spitze - Teil 001: Technische LieferbedingungenSérie aérospatiale - Connecteurs électriques circulaires à accouplement par bague filetée, résistant au feu ou non, températures d'utilisation – 65 °C à 175 °C continu, 200 °C continu, 260 °C en pointe - Partie 001: Spécification techniqueAerospace 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 - Part 001: Technical specification49.060Aerospace electric equipment and systems31.220.10Plug-and-socket devices. ConnectorsICS:Ta slovenski standard je istoveten z:EN 2997-001:2017SIST EN 2997-001:2017en,fr,de01-september-2017SIST EN 2997-001:2017SLOVENSKI
STANDARDSIST EN 2997-001:20111DGRPHãþD

EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 2997-001
June
t r s y ICS
v {ä r x r Supersedes EN
t { { yæ r r sã t r s sEnglish Version
Aerospace series æ Connectorsá electricalá circulará coupled by threaded ringá fireæresistant or non fireæresistantá operating temperatures æ
x w
¹C to
s y w
¹C continuousá
t r r
¹C continuousá
t x r
¹C peak æ Part
r r sã Technical specification Série aérospatiale æ Connecteurs électriques circulaires à accouplement par bague filetéeá résistant au feu ou noná températures d 5utilisation æ
x w
¹C à
s y w
¹C continuá
t r r
¹C continuá
t x r
¹C en pointe æ Partie
r r sã Spécification technique
Luftæ und Raumfahrt æ Elektrische Rundsteckverbinder mit Schraubkupplungá feuerbeständig oder nicht feuerbeständigá Betriebstemperaturen æ
x w
¹C bis
s y w
¹C konstantá
t r r
¹C konstantá
t x r
¹C Spitze æ Teil
r r sã Technische Lieferbedingungen This European Standard was approved by CEN on
x February
t r s yä
egulations which stipulate the conditions for giving this European Standard the status of a national standard without any alterationä Upætoædate lists and bibliographical references concerning such national standards may be obtained on application to the CENæCENELEC Management Centre or to any CEN memberä
translation under the responsibility of a CEN member into its own language and notified to the CENæCENELEC Management Centre has the same status as the official versionsä
CEN members are the national standards bodies of Austriaá Belgiumá Bulgariaá Croatiaá Cyprusá Czech Republicá Denmarká Estoniaá Finlandá Former Yugoslav Republic of Macedoniaá Franceá Germanyá Greeceá Hungaryá Icelandá Irelandá Italyá Latviaá Lithuaniaá Luxembourgá Maltaá Netherlandsá Norwayá Polandá Portugalá Romaniaá Serbiaá Slovakiaá Sloveniaá Spainá Swedená Switzerlandá Turkey and United Kingdomä
EUROPEAN COMMITTEE FOR STANDARDIZATION COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre:
Avenue Marnix 17,
B-1000 Brussels
t r s y CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Membersä Refä Noä EN
t { { yæ r r sã t r s y ESIST EN 2997-001:2017

EN 2267-002, Aerospace series — Cables, electrical, for general purpose — Operating temperatures between − 55 °C and 260 °C — Part 002: General EN 2282, Aerospace series — Characteristics of aircraft electrical supplies EN 2346-002, Aerospace series — Cable, electrical, fire resistant — Operating temperatures between − 65 °C and 260 °C — Part 002: General EN 2591 (all parts), Aerospace series — Elements of electrical and optical connection — Test methods EN 2997 (all 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: Technical specification EN 3197, Aerospace series — Design and installation of aircraft electrical and optical interconnection systems EN 3660-003, Aerospace series — Cable outlet accessories for circular and rectangular electrical and optical connectors — Part 003: Grommet nut, style A for EN 2997 and EN 4067 — Product standard EN 3660-004, Aerospace series — Cable outlet accessories for circular and rectangular electrical and optical connectors — Part 004: Cable outlet, style A, straight, unsealed with clamp strain relief for EN 2997 and EN 4067 — Product standard EN 3660-033, Aerospace series — Cable outlet accessories for circular and rectangular electrical and optical connectors — Part 033: Band — Product standard 1) EN 3909, Aerospace series — Test fluids for electrical and optical components and sub-assemblies
1) In preparation at the date of publication of this standard. SIST EN 2997-001:2017

2) Published by: Defense Logistic Agency (DLA), http://www.dscc.dla.mil/Programs/MilSpec/ SIST EN 2997-001:2017

Key 1 Thread 5 Hard insert 6 Interfacial seal 7 Optional shape 8 Flat ∅N 9 Blend radius a To rear of colour band b Depth of keyways 2 Blue coloured band minimum width 0,64 3 Seal diameter housing size 08 : 1,42 ±=0,08=ho×sing=sizes=10=to=28=Ω=1,78=±=0,08=4=Ho×sing=08Ω=12,37=12,12=Othe±=ho×singsΩ=12,57=12,32=Figure 1
Key 1 Thread 5 Hard insert 6 Interfacial seal 7 Optional shape a To rear of colour band b Depth of keyways 2 Blue coloured band minimum width 0,64 3 Seal diameter housing size 08 : 1,42 ±=0,08=ho×sing=sizes=10=to=12=Ω=1,78=±=0,08=4=Ho×sing=08Ω=12,37=12,12=Ho×sings=10=an≤=12Ω=12,57=12,32=Figure 2 — Only for housings 8, 10 and 12 for size 22 contact
Table 2 — Mating dimensions for receptacle Contact size ØG a
ØM ØU b
ØV ØW ØX a max. ØZ ØN 22 1,70 1,60 0,97 0,89 0,94 0,84 1,35 1,27 1,88 1,75 – 0,79 0,76 – 20 3,00 2,90 1,50 1,24 1,17 1,07 2,28 2,14 2,38 2,28 3,00 1,04 0,99 0,51 0,13 16 3,81 3,71 2,06 1,80 1,75 1,65 2,88 2,73 2,98 2,88 3,81 1,61 1,56 0,81 0,43 12 5,33 5,22 2,84 2,54 2,57 2,46 3,85 3,68 3,95 3,85 5,33 2,41 2,36 1,57 1,19 a For contact arrangements 08-03 and 10-06, G = 2,342,44, X max. = 2,44. b Dimension U does not apply to hermetic receptacles.
Key 1 Thread 2 Blue colour band minimum width 0,64 position optional 3 Optional shape 4 See detail D in Figure 1 5 Interfacial seal 6 Hard insert 7 Grounding spring system a Thread engagement b Front of the contact c Classes S, SE, SF, SV, RS and WS Figure 3
Key 1 Thread 2 Blue colour band minimum width 0,64 position optional 3 Optional shape 4 See detail D in Figure 2 5 Interfacial seal 6 Hard insert 7 Grounding spring system a Thread engagement b Front of the contact c Classes S, SE, SF, SV, RS and WS Figure 4 — Only for housings 8, 10 and 12 for size 22 contact SIST EN 2997-001:2017

ØB max. ØH min. ØJ ØK min. 08 0.5625 - 24 UNEF 7,37 7,47 10,29 10,16 14,61 10 0.6875 - 24 UNEF 10,37 10,87 13,36 13,23 17,96 12 0.8750 - 20 UNEF 14,69 15,19 17,68 17,55 22,73 14 0.9375 - 20 UNEF 16,44 16,94 19,43 19,30 24,31 16 1.0625 - 18 UNEF 19,67 20,17 22,66 22,53 27,53 18 1.1875 - 18 UNEF 22,36 22,86 25,35 25,22 30,71 20 1.3125 - 18 UNEF 25,54 26,04 28,52 28,40 33,88 22 1.4375 - 18 UNEF 28,71 29,21 31,70 31,57 37,06 24 1.5625 - 18 UNEF 31,88 32,38 34,87 34,75 40,23 28 1.8125 - 16 UN 38,23 38,73 41,22 41,09 46,58 a ISO 263.
6.4 Receptacle and plug polarization See Figure 5 and Tables 4 and 5. SIST EN 2997-001:2017

Key 1 Keyway for main key 2 Four secondary keyways 3 Main key 4 Four secondary keys a
Five keyways b
Five keys Figure 5 — Receptacle and plug SIST EN 2997-001:2017

Housing sizes - Values in degrees Position 08 10 12 to 28
A B C D A B C D A B C D N 105 140 215 265 105 140 215 265 105 140 215 265 6 102 132 248 320 102 132 248 320 18 149 192 259 7 80 118 230 312 80 118 230 312 92 152 222 342 8 35 140 205 275 35 140 205 275 84 152 204 334 9 64 155 234 304 64 155 234 304 24 135 199 240 Y – – – – 25 115 220 270 98 152 268 338
Table 5 — Dimensions of the keys and keyways Housing size G H J L M N 08 2,21 2,05 1,40 1,24 5,72 5,64 2,47 2,31 1,96 1,83 5,92 5,79 10 7,24 7,16 7,45 7,32 12 9,40 9,32 9,60 9,47 14 10,29 10,21 10,49 10,36 16 3,00 2,84 11,89 11,81 3,26 3,10 12,09 11,96 18 13,23 13,15 13,44 13,31 20 14,81 14,73 15,01 14,58 22 16,41 16,33 16,61 16,48 24 17,98 17,90 18,19 18,06 28 21,16 21,08 21,42 21,29
Dimensions are in millimetres.
Key 1 Grommet 2 Thread 3 Master key 4 Crest of tooth Figure 6 SIST EN 2997-001:2017

6.5.2 Dimensions of the rear cable entry (Integrated cable outlet) Dimensions of rear cable entry for shield termination with band according to EN 3660-033, and accommodation for heat shrinkable accessory. See Figures 7 to 9 and Table 8. SIST EN 2997-001:2017

Key 1 0,13 REF. min. step (ØZG) to coupling nut rear face 2 Diamond knurl male or female (see below), pitch of 0,1 mm, width 10,5 mm min. 3 Straight knurl (see below), pitch of 1 mm, width 3 mm min.
Straight Diamond Figure 7 SIST EN 2997-001:2017

Connector side Wiring side Key 1 Applicable to plug and receptacle. Except housing size 8: 1,5 max.
2 3 mm min. flat 3 Applicable to plug and receptacle 4 Applicable to receptacle Figure 8 — Detail A
Key 1 Both ends of ØG 2 No sharp edge Figure 9 — Detail B
ØG ØH ØJ ØL ØM ØY ØZG ØZJ ± 0,10 min. ± 0,10 ± 0,10 ± 0,10 max. ± 0,25 max. 8 11,70 9,40 17,10 12,10 18,70 14,27 19,50 7,75 10 14,92 12,62 18,00 15,32 19,60 17,68 21,50 10,29 12 17,87 15,57 20,40 18,27 22,00 22,22 23,50 13,49 14 21,05 18,75 24,50 21,45 26,10 23,78 28,00 16,89 16 24,22 21,92 27,00 24,62 28,60 26,97 30,50 20,07 18 25,64 23,34 28,20 26,04 29,80 30,15 31,70 22,07 20 28,82 26,52 32,00 29,22 33,60 33,32 35,50 25,25 22 32,00 29,69 35,10 32,40 36,70 36,50 38,60 28,42 24 35,17 32,87 40,50 35,57 42,10 39,67 42,00 31,60 28 41,52 39,22 45,00 41,92 46,60 46,02 48,50 37,90
6.6 Contact arrangements The contact arrangements in the inserts are specified by Figures 10 to 44, which show the front face of the female inserts. The following tolerances apply to the inserts fitted in the housings (A and B reference Figure 5): • centre of each hole:  ∅ 0,36 A B
• centre of each contact end:  ∅ 0,61 A B
Identification of the contact position shall be permanently applied in contrasting colour on the front face of the insert or interfacial seal and on the rear face of the wire sealing grommet. Identification shall not be recessed or raised on the sealing surfaces. Symbols for contact sizes are given in EN 3155-001. Housing sizes and contact arrangements (see Figures 10 to 44).
08-06 6 contacts size 22
08-98 3 contacts size 20
Contact X mm Y mm
Contact X mm Y mm
Contact X mm Y mm 1 0 + 1,91
1 0 0
1 − 1,65
0,94 2 − 1,65
0,97
2 − 2,40
0,78
2 0 − 1,91 3 + 1,65
0,97
3 − 1,48
2,04
3 + 1,65
0,94
4 + 1,48
2,04
5 + 2,40
0,78
6 0 + 2,53
Figure 10
Figure 11
Figure 12
10-02 2 contacts size 20
10-05 5 contacts size 20
10-06 6 contacts size 20
Contact X mm Y mm
Contact X mm Y mm
Contact X mm Y mm 1 0 + 2,11
1 − 2,72
1,04
1 0 0 2 0 − 2,11
2 − 1,88
2,16
2 − 3,05
1,27
3 + 1,88
2,16
3 − 1,65
2,87
4 + 2,72
1,04
4 + 1,65
2,87
5 0 + 2,90
5 + 3,05
1,27
6 0 + 3,30 Figure 13
Figure 14
Figure 15
12-03 3 contacts size 16
Contact X mm Y mm Contact X mm Y mm
Contact X mm Y mm 1 0 + 1,46 7 − 3,34
1,93
1 0 + 3,05 2 − 1,26
0,73 8 − 3,8
0,67
2 − 2,64
1,52 3 + 1,26
0,73 9 − 2,48
2,95
3 + 2,64
1,52 4 + 3,34
1,93 10 0 − 3,86
5 + 1,32
3,62 11 + 2,48
2,95
6 − 1,32
3,62 12 + 3,8
0,67
Figure 16
Figure 17 12-12 12 contacts size 20
12-21 21 contacts size 22
Contact X mm Y mm
Contact X mm Y mm Contact X mm Y mm 1 0 + 1,88
1 0 0 12 − 5,44 − 0,66 2 − 1,65 − 0,99
2 − 2,31 + 1,84 13 − 4,51 − 3,11 3 + 1,65
0,99
3 − 2,88
0,66 14 − 2,54
4,85 4
4,24
2,67
1,28
2,66 15 0
5,48 5
1,65
4,75
1,28
2,66 16
2,54
4,85 6
1,65
4,75
2,88
0,66 17
4,51
3,11 7
4,24
2,67
2,31
1,84 18
5,44
0,66 8 − 4,95
0,84
8 0 + 2,95 19 + 5,12
1,94 9
3,15
3,91
1,31
5,32 20
3,63
4,10 10 0
5,00
3,63
4,10 21
1,31
5,32 11
3,15
3,91
5,12
1,94 — 12
4,95
0,84
Figure 18
Figure 19 SIST EN 2997-001:2017

14-07 7 contacts size 16
Contact X mm Y mm
Contact X mm Y mm 1 − 4,29 0
1 0 0 2 0 − 4,29
2 − 2,41
4,17 3 + 4,29 0
3 − 4,83 0 4 0
4,29
2,41
4,17
5 + 2,41
4,17
6 + 4,83 0
2,41
4,17 Figure 20
Figure 21
14-12 9 contacts size 20 3 contacts size 16
Contact X mm Y mm Contact X mm Y mm 1 0 + 2,29 7 − 4,45
2,57 2
1,98
1,14 8
5,69
1,37 3 + 1,98
1,14 9 − 4,04
4,24 4 + 4,45
2,57 10 0 − 5,13 5
1,65
5,61 11
4,04
4,24 6 − 1,65
5,61 12 + 5,69
1,37 Figure 22 SIST EN 2997-001:2017

16-10 10 contacts size 16
Contact X mm Y mm Contact X mm Y mm
Contact X mm Y mm 1 − 2,34 0 9 − 4,42
3,84
1 0 − 2,67 2 0 − 2,44 10 − 1,65
5,61
2 0 + 2,16 3 + 2,34 0 11 + 1,65
5,61
3 − 6,02
3,15 4 0 + 2,44 12 + 4,42
3,84
4 − 6,58
1,65 5 0 + 5,87 13 + 5,79
0,83
5 − 3,81
5,64 6 − 3,18
4,93 14 + 5,33
2,44
6 + 3,81
5,64 7 − 5,33
2,44 15 + 3,18
4,93
7 + 6,58
1,65 8 − 5,79
0,83
8 + 6,02
3,15
9 + 2,41
6,38
10 − 2,41
6,38 Figure 23
Figure 24 SIST EN 2997-001:2017

Contact X mm Y mm Contact X mm Y mm Contact X mm Y mm 1 0 + 1,91 9 − 4,50
2,59 17 − 2,84
6,83 2 − 1,65
0,94 10 − 1,65
4,24 18 − 5,69
5,18 3 + 1,65
0,94 11 + 1,65
4,24 19 − 7,34
2,36 4 + 4,50
0,71 12 + 4,50
2,59 20 − 7,34
0,94 5 + 2,84
3,56 13 + 7,34
0,94 21 − 4,50
5,89 6 0 + 5,18 14 + 7,34
2,36 22 − 1,65
7,54 7 − 2,84
3,56 15 + 5,69
5,18 23 + 1,65
7,54 8 − 4,50
0,71 16 + 2,84
6,83 24 + 4,50
5,89 Figure 25
Contact X mm Y mm 1 0 0 2 − 5,56
4,45 3 − 6,93
1,57 4 − 3,07
6,40 5 + 3,07
6,40 6 + 6,93
1,57 7 + 5,56
4,45 8 0 + 7,11 Figure 26 SIST EN 2997-001:2017

Contact X mm Y mm Contact X mm Y mm 1 − 3,30 0 8 − 6,71
4,62 2 0 − 3,58 9 − 2,87
7,62 3 + 3,30 0 10 + 2,87
7,62 4 0 + 3,58 11 + 6,71
4,62 5 − 2,87
7,62 12 + 8,15 0 6 − 6,71
4,62 13 + 6,71
4,62 7 − 8,15 0 14 + 2,87
7,62 Figure 27
20-16 16 contacts size 16
Contact X mm Y mm Contact X mm Y mm
Contact X mm Y mm 1 0 0 17 + 6,60 0
1 − 3,91
1,57 2 − 1,65
2,87 18 + 4,95
2,87
2 − 2,39
3,10 3 − 3,30 0 19 + 3,30
5,74
3 + 2,39
3,10 4 − 1,65
2,87 20 + 1,65
8,61
4 + 3,91
1,57 5 + 1,65
2,87 21 − 1,65
8,61
5 0 + 4,45 6 + 3,30 0 22 − 6,60
5,74
6 − 3,00
8,18 7 + 1,65
2,87 23 − 8,26
2,87
7 − 6,88
5,36 8 0 + 5,74 24 − 8,26
2,87
8 − 8,66
0,91 9 − 3,30
5,74 25 − 6,60
5,74
9 − 7,82
3,81 10 − 4,95
2,87 26 − 1,65
8,61
10 − 4,62
7,37 11 − 6,60 0 27 + 1,65
8,61
11 0 − 8,71 12 − 4,95
2,87 28 + 6,60
5,74
12 + 4,62
7,37 13 − 3,30
5,74 29 + 8,26
2,87
13 + 7,82
3,81 14 0 − 5,74 30 + 8,26
2,87
14 + 8,66
0,91 15 + 3,30
5,74 31 + 6,60
5,74
15 + 6,88
5,36 16 + 4,95
2,87
16 + 3,00
8,18 Figure 28
Figure 29
20-28 24 contacts size 20 4 contacts size 12
Contact X mm Y mm
Contact X mm Y mm 1 0 0
1 − 1,65 + 1,65 2 − 1,68 + 2,90
2 − 1,65 − 1,65 3 − 3,35 0
3 + 1,65 − 1,65 4 − 1,68 − 2,90
4 + 1,65 + 1,65 5 + 1,68 − 2,90
5 − 1,65 + 4,95 6 + 3,35 0
6 − 4,95 + 1,65 7 + 1,68 + 2,90
7 − 4,95 − 1,65 8 0 + 5,79
8 − 1,65 − 4,95 9 − 5,03 + 2,90
9 + 1,65 − 4,95 10 − 5,03 − 2,90
10 + 4,95 − 1,65 11 0 − 5,79
11 + 4,95 + 1,65 12 + 5,03 − 2,90
12 + 1,65 + 4,95 13 + 5,03 + 2,90
13 0 + 8,03 14 + 4,45 + 7,70
14 − 2,95 + 9,91 15 0 + 10,26
15 − 6,30 + 6,30 16 − 4,45 + 7,70
16 − 9,91 + 2,95 17 − 8,89 + 5,13
17 − 8,03 0 18 − 8,89 0
18 − 9,91 − 2,95 19 − 8,89 − 5,13
19 − 6,30 − 6,30 20 − 4,45 − 7,70
20 − 2,95 − 9,91 21 0 − 10,26
21 0 − 8,03 22 + 4,45 − 7,70
22 + 2,95 − 9,91 23 + 8,89 − 5,13
23 + 6,30 − 6,30 24 + 8,89 0
24 + 9,91 − 2,95 25 + 8,89 + 5,13
25 + 8,03 0
26 + 9,91 + 2,95
27 + 6,30 + 6,30
28 + 2,95 + 9,91 Figure 30
Figure 31 SIST EN 2997-001:2017

Contact X mm Y mm Contact X mm Y mm 1 0 − 0,15 21 + 3,89
9,14 2 − 2,08
2,41 22 0 + 10,54 3 − 3,28
0,71 23 − 3,89
9,14 4 − 1,65
3,61 24 − 7,59
7,26 5 + 1,65
3,61 25 − 8,00
3,99 6 + 3,28
0,71 26 −10,39
1,70 7 + 2,08
2,41 27 − 10,39
1,60 8 + 1,65
5,69 28 − 9,40
4,75 9 − 1,65
5,69 29 − 7,47
7,42 10 − 4,90
5,11 30 − 4,78
9,35 11 − 5,38
1,83 31 − 1,65
10,41 12 − 7,11
1,02 32 + 1,65
10,41 13 − 6,15
4,17 33 + 4,78
9,35 14 − 3,58
6,27 34 + 7,47
7,42 15 0 − 7,42 35 + 9,40
4,75 16 + 3,58
6,27 36 + 10,39
1,60 17 + 6,15
4,17 37 + 10,39
1,70 18 + 7,11
1,02 38 + 8,00
3,99 19 + 5,38
1,83 39 + 7,59
7,26 20 + 4,90
5,11
Figure 32 SIST EN 2997-001:2017

Contact X mm Y mm Contact X mm Y mm 1 0 0 22 0 + 8,51 2 − 2,82
2,67 23 − 2,95
10,03 3 − 3,96
0,46 24 − 5,94
8,61 4 − 2,44
3,40 25 − 8,33
6,32 5 + 2,44
3,40 26 − 9,88
3,40 6 + 3,96
0,46 27 − 10,46
0,15 7 + 2,82
2,67 28 − 10,01
3,12 8 0 + 4,37 29 − 8,53
6,10 9 − 2,82
6,73 30 − 6,22
8,46 10 − 5,44
4,72 31 − 3,28
9,96 11 − 6,99
1,80 32 0 − 10,49 12 − 7,11
1,50 33 + 3,28
9,96 13 − 5,64
4,47 34 + 6,22
8,46 14 − 3,15
6,65 35 + 8,53
6,10 15 0 − 5,64 36 + 10,01
3,12 16 + 3,15
6,65 37 + 10,46
0,15 17 + 5,64
4,47 38 + 9,88
3,40 18 + 7,11
1,50 39 + 8,33
6,32 19 + 6,99
1,80 40 + 5,94
8,61 20 + 5,44
4,72 41 + 2,95
10,03 21 + 2,82
6,73
Figure 33 SIST EN 2997-001:2017

22-19 19 contacts size 16
Contact X mm Y mm
Contact X mm Y mm 1 − 3,33
1,91
1 0 0 2 0 − 3,84
2 − 4,01
4,01 3 + 3,33
1,91
3 − 5,49
1,45 4 − 6,50
7,75
4 − 1,45
5,49 5 − 9,96
1,75
5 + 4,01
4,01 6 − 8,76
5,05
6 + 5,49
1,45 7 − 3,45
9,50
7 + 1,45
5,49 8 + 3,45
9,50
8 − 5,49
9,50 9 + 8,76
5,05
9 − 9,50
5,49 10 + 9,96
1,75
10 − 10,97 0 11 + 6,50
7,75
11 − 9,50
5,49 12 0 + 10,11
12 − 5,49
9,50
13 0 − 10,97
14 + 5,49
9,50
15 + 9,50
5,49
16 + 10,97 0
17 + 9,50
5,49
18 + 5,49
9,50
19 0 + 10,97 Figure 34
Figure 35 SIST EN 2997-001:2017

Contact X mm Y mm Contact X mm Y mm 1 0 0 16 − 9,96
5,82 2 − 5,79
1,91 17 − 7,80
8,48 3 − 7,80
2,62 18 − 5,00
10,39 4 − 3,56
4,93 19 − 1,70
11,40 5 0 − 8,48 20 + 1,70
11,40 6 + 3,56
4,93 21 + 5,00
10,39 7 + 7,80
2,62 22 + 7,80
8,48 8 + 5,79
1,91 23 + 9,96
5,82 9 + 4,83
6,63 24 + 11,23
2,62 10 0 + 6,10 25 + 11,51
0,89 11 − 4,83
6,63 26 + 10,72
4,27 12 − 8,99
7,21 27 + 8,99
7,21 13 − 10,72
4,27 28 + 6,48
9,55 14 − 11,51
0,89 29 0 + 11,53 15 − 11,23
2,62 30 − 6,48
9,55 This arrangement is not available for new design. Figure 36 SIST EN 2997-001:2017

Contact X mm Y mm Contact X mm Y mm 1 0 0 17 − 7,80
8,48 2 − 5,79
1,91 18 − 5,00
10,39 3 − 7,80
2,62 19 − 1,70
11,40 4 − 3,56
4,93 20 + 1,70
11,40 5 0 − 8,48 21 + 5,00
10,39 6 + 3,56
4,93 22 + 7,80
8,48 7 + 7,80
2,62 23 + 9,96
5,82 8 + 5,79
1,91 24 + 11,23
2,62 9 + 4,83
6,63 25 + 11,51
0,89 10 0 + 6,10 26 + 10,72
4,27 11 − 4,83
6,63 27 + 8,99
7,21 12 − 8,99
7,21 28 + 6,48
9,55 13 − 10,72
4,27 29 + 3,38
11,02 14 − 11,51
0,89 30 0 + 11,53 15 − 11,23
2,62 31 − 3,38
11,02 16 − 9,96
5,82 32 − 6,48
9,55 Figure 37 SIST EN 2997-001:2017

Contact X mm Y mm Contact X mm Y mm 1 0 − 0,71 21 − 6,48
9,55 2 − 3,33
1,96 22 − 8,99
7,21 3 − 3,94
2,36 23 − 10,72
4,27 4 0 − 4,60 24 − 11,51
0,89 5 + 3,94
2,36 25 − 11,23
2,62 6 + 3,33
1,96 26 − 9,96
5,82 7 0 + 4,72 27 − 7,80
8,48 8 − 1,65
8,20 28 − 5,0
10,44 9 − 4,85
6,05 29 − 1,70
11,40 10 − 7,59
1,96 30 + 1,70
11,40 11 − 7,80
2,62 31 + 5,0
10,44 12 − 4,42
6,60 32 + 7,80
8,48 13 0 − 8,48 33 + 9,96
5,82 14 + 4,42
6,60 34 + 11,23
2,62 15 + 7,80
2,62 35 + 11,51
0,89 16 + 7,59
1,96 36 + 10,72
4,27 17 + 4,85
6,05 37 + 8,99
7,21 18 + 1,65
8,20 38 + 6,48
9,55 19 0 + 11,53 39 + 3,38
11,02 20 − 3,38
11,02
Figure 38 SIST EN 2997-001:2017

Contact X mm Y mm Contact X mm Y mm Contact X mm Y mm 1 0 0 20 + 1,65
8,61 39 0 + 11,48 2 − 1,65
2,87 21 − 1,65
8,61 40 − 3,30
11,48 3 − 3,30 0 22 − 4,95
8,61 41 − 8,26
8,61 4 − 1,65
2,87 23 − 6,60
5,74 42 − 9,91
5,74 5 + 1,65 − 2,87 24 − 8,26
2,87 43 − 11,56
2,87 6 + 3,30 0 25 − 9,91 0 44 − 11,56
2,87 7 + 1,65 + 2,87 26 − 8,26
2,87 45 − 9,91
5,74 8 0 + 5,74 27 − 6,60
5,74 46 − 8,26
8,61 9 − 3,30
5,74 28 − 4,95
8,61 47 − 3,30
11,48 10 − 4,95
2,87 29 − 1,65
8,61 48 0 − 11,48 11 − 6,60 0 30 + 1,65
8,61 49 + 3,30
11,48 12 − 4,95
2,87 31 + 4,95
8,61 50 + 8,26
8,61 13 − 3,30
5,74 32 + 6,60
5,74 51 + 9,91
5,74 14 0 − 5,74 33 + 8,26
2,87 52 + 11,56
2,87 15 + 3,30
5,74 34 + 9,91 0 53 + 11,56
2,87 16 + 4,95
2,87 35 + 8,26
2,87 54 + 9,91
5,74 17 + 6,60 0 36 + 6,60
5,74 55 + 8,26
8,61 18 + 4,95
2,87 37 + 4,95
8,61
19 + 3,30
5,74 38 + 3,30
11,48
Figure 39 SIST EN 2997-001:2017

Contact X mm Y mm Contact X mm Y mm 1 0 + 3,39 16 + 6,98
10,39 2 − 3,37 0 17 + 2,54
12,25 3 0 − 3,39 18 − 2,54
12,25 4 + 3,37 0 19 − 6,98
10,39 5 + 4,42
6,30 20 − 10,39
6,98 6 0 + 8,20 21 − 12,25
2,54 7 − 4,42
6,30 22 − 12,25
2,54 8 − 7,43
2,54 23 − 10,39
6,98 9 − 7,43
2,54 24 − 6,98
10,39 10 − 4,42
6,30 25 − 2,54
12,25 11 0 − 8,20 26 + 2,54
12,25 12 + 4,42
6,30 27 + 6,98
10,39 13 + 7,43
2,54 28 + 10,39
6,98 14 + 7,43
2,54 29 + 12,25
2,54 15 + 10,39
6,98 30 + 12,25
2,54 Figure 40 SIST EN 2997-001:2017

Contact X mm Y mm Contact X mm Y mm 1 0 0 23 + 8,20
3,30 2
3,20
4,50 24
6,40
6,07 3 − 5,13
1,80 25 + 3,20
8,00 4 − 4,47
1,42 26 0 + 8,76 5
3,20
4,47 27
4,57
12,01 6 0
5,92 28
8,56
9,63 7 + 3,20
4,47 29 − 11,58
5,69 8 + 4,47
1,42 30 − 12,83
1,12 9
5,13
1,80 31
12,42
3,51 10
3,20
4,50 32
10,29
7,77 11 0 + 5,46 33 − 6,78
10,92 12 − 3,20
8,00 34 − 2,42
12,62 13
6,40
6,07 35
2,42
12,62 14
8,20
3,30 36
6,78
10,92 15 − 8,56
0,79 37 + 10,29
7,77 16 − 7,42
4,78 38 + 12,42
3,51 17
5,13
7,16 39
12,83
1,12 18
2,06
8,48 40
11,58
5,69 19 + 2,06
8,48 41 + 8,56
9,63 20 + 5,13
7,16 42 + 4,57
12,01 21
7,42
4,78 43 0
12,88 22
8,56
0,79
Figure 41 SIST EN 2997-001:2017

Contact X mm Y mm Contact X mm Y mm Contact X mm Y mm 1 0 0 20 + 1,65
8,61 39 − 6,60
11,48 2 − 1,65
2,87 21 − 1,65
8,61 40 − 9,63
7,47 3 − 3,30 0 22 − 4,95
8,61 41 − 11,56
2,87 4 − 1,65
2,87 23 − 8,26
2,87 42 − 13,21 0 5 + 1,65
2,87 24 − 9,91 0 43 − 11,56
2,87 6 + 3,30 0 25 − 8,26
2,87 44 − 9,91
5,74 7 + 1,65
2,87 26 − 6,60
5,74 45 − 8,26
8,61 8 0 + 5,74 27 − 4,95
8,61 46 − 6,60
11,48 9 − 3,30
5,74 28 − 1,65
8,61 47 − 3,30
11,48 10 − 4,95
2,87 29 + 1,65
8,61 48 0 − 11,48 11 − 6,60 0 30 + 4,95
8,61 49 + 3,30
11,48 12 − 4,95
2,87 31 + 6,60
5,74 50 + 6,60
11,48 13 − 3,30
5,74 32 + 8,26
2,87 51 + 8,26
8,61 14 0 − 5,74 33 + 9,91 0 52 + 9,91
5,74 15 + 3,30
5,74 34 + 8,26
2,87 53 + 11,56
2,87 16 + 4,95
2,87 35 + 4,95
8,61 54 + 13,21 0 17 + 6,60 0 36 + 3,30
11,48 55 + 11,56
2,87 18 + 4,95
2,87 37 0 + 11,48 56 + 9,63
7,47 19 + 3,30
5,74 38 − 3,30
11,48 57 + 6,60
11,48 Figure 42 SIST EN 2997-001:2017

Contact X mm Y mm Contact X mm Y mm Contact X mm Y mm 1 0 0 22 − 4,95
8,61 43 − 9,91
5,74 2 − 1,65
2,87 23 − 6,60
5,74 44 − 11,56
2,87 3 − 3,30 0 24 − 8,26
2,87 45 − 13,21 0 4 − 1,65
2,87 25 − 9,91 0 46 − 11,56
2,87 5 + 1,65
2,87 26 − 8,26
2,87 47 − 9,91
5,74 6 + 3,30 0 27 − 6,60
5,74 48 − 8,26
8,61 7 + 1,65
2,87 28 − 4,95
8,61 49 − 6,60
11,48 8 0 + 5,74 29 − 1,65
8,61 50 − 3,30
11,48 9 − 3,30
5,74 30 + 1,65
8,61 51 0 − 11,48 10 − 4,95
2,87 31 + 4,95
8,61 52 + 3,30
11,48 11 − 6,60 0 32 + 6,60
5,74 53 + 6,60
11,48 12 − 4,95
2,87 33 + 8,26
2,87 54 + 8,26
8,61 13 − 3,30
5,74 34 + 9,91 0 55 + 9,91
5,74 14 0 − 5,74 35 + 8,26
2,87 56 + 11,56
2,87 15 + 3,30
5,74 36 + 6,60
5,74 57 + 13,21 0 16 + 4,95
2,87 37 + 4,95
8,61 58 + 11,56
2,87 17 + 6,60 0 38 + 3,30
11,48 59 + 9,91
5,74 18 + 4,95
2,87 39 0 + 11,48 60 + 8,26
8,61 19 + 3,30
5,74 40 − 3,30
11,48 61 + 6,60
11,48 20 + 1,65
8,61 41 − 6,60
11,48
21 − 1,65
8,61 42 − 8,26
8,61
Figure 43 SIST EN 2997-001:2017

Contact X mm Y mm Contact X mm Y mm 1 − 2,39 0 22
11,94 0 2
2,39 0 23
9,55
4,135 3 0
4,135 24
7,16
8,270 4 − 4,77
4,135 25 + 4,77
12,405 5
7,16 0 26 0
12,405 6 − 4,77
4,135 27 − 4,77
12,405 7 0
4,135 28
9,55
12,405 8
4,77
4,135 29
11,94
8,270 9 + 7,16 0 30 − 14,32
4,135 10
4,77
4,135 31
14,32
4,135 11
2,39
8,270 32
11,94
8,270 12
2,39
8,270 33
9,55
12,405 13
7,16
8,270 34
4,77
12,405 14 − 9,55
4,135 35 0 − 12,405 15
11,94 0 36
4,77
12,405 16
9,55
4,135 37
9,55
12,405 17
7,16
8,270 38
11,94
8,270 18
2,39
8,270 39
14,32
4,135 19 + 2,39
8,270 40 + 14,32
4,135 20
7,16
8,270 41
11,94
8,270 21 + 9,55
4,135 42 + 9,55
12,405 Figure 44 SIST EN 2997-001:2017

Key 1 Optional radius Figure 45 Table 9 — Dimensions of fixed contacts Contact size J ØK L M 22 1,40 1,30 1,02 0,89 3,18 2,39 2,03 1,27 20 2,24 1,55 1,22 1,07 4,78 2,77 2,79 1,73 16 2,95 2,44 1,93 1,75 6,38 4,37 3,78 2,77 12 3,81 3,30 3,10 2,84 6,38 4,37 3,58 2,77
7 Tests 7.1 Tests according to EN 2591-100 The tests of EN 2591-100, applicable in the context of this standard as well as the details necessary for implementing them and for inspecting connector characteristics, are given in Table 10. SIST EN 2997-001:2017

For maintenance of qualification only the measurement of interchangeability dimensions are required except for subclause 6.5. 201 Contact resistance - Low level Crimp contacts Defined by the standards for contacts specified in EN 2997-002. For solder contacts (hermetic connectors): not applicable 202 Contact resistance at rated current Crimp contacts Defined by the standards for contacts specified in EN 2997-002. Solder contacts (hermetic connectors) Measuring points on the cable, nearest to the contacts
Contact size Rated test current A Maximum contact resistance in mΩ
Initial After tests
EN 2591-301 and EN 2591-307
22 3 28 32
20 5 12 15
16 10 8,5 10
12 17 5 6
203 Electrical continuity at microvolt level Not applicable SIST EN 2997-001:2017

Max. leakage current Pressure Connectors
mated V r.m.s. unmated V r.m.s.
2 mA Sea level 1 500 1 500
12,1 kPa (15 000 m) 1 000 600
4,7 kPa (21 000 m) 1 000 400
1,1 kPa (30 000 m) 1 000 200
Contact size Current A Duration s
22 6 40
30 0,6
20 10 40
50 0,6
16 20 40
100 0,6
12 34 40
170 0,6
211 Capacitance Not applicable 212 Surface transfer impedance Not applicable 213 Shielding effectiveness from 100 MHz to 1 GHz Receptacle and plug with grounding spring system fitted with screening connection
Frequency MHz Minimum attenuation dB
Class SV, S, SF or SE Class RS or WS
100 80 90
200 75 88 300 73 88 400 71 87 800 66 85 1 000 65 85
214 Lightning strike, current and voltage pulse Not applicable 216 Engagement depth of contacts Not applicable 301 Endurance at temperature Classes KE, SE, SV, KV, SF and YE: see 7.2.1. Other class except class Y: Method B Temperature: 175 °C or 200 °C depending on model. Duration: 1 000 h
...

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