SIST EN 4644-201:2016
(Main)Aerospace series - Connector, electrical and optical, rectangular, modular, rectangular inserts, operating temperature 175 °C (or 125 °C) continuous - Part 201: Locking and polarizing hardware - Product standard
Aerospace series - Connector, electrical and optical, rectangular, modular, rectangular inserts, operating temperature 175 °C (or 125 °C) continuous - Part 201: Locking and polarizing hardware - Product standard
This European Standard specifies central coupling mechanism for size 2 disconnect housing used in the family of modular rectangular electrical and optical connector with rectangular inserts.
Luft- und Raumfahrt - Elektrische und optische Rechtecksteckverbinder, modular, rechteckige Kontakteinsätze, Dauerbetriebstemperatur 175 °C (oder 125 °C) konstant - Teil 201: Verriegelungs-und Kodierungsteile - Produktnorm
Série aérospatiale - Connecteur, électrique et optique, rectangulaire, modulaire, à inserts rectangulaires, température de fonctionnement 175 °C (ou 125 °C) continu - Partie 201 : Système de verrouillage et polarisation - Norme de produit
Aeronavtika - Konektor, električni in optični, pravokotni, modularni, pravokotni kontaktni vložki, stalna delovna temperatura 175 °C (ali 125 °C) - 201. del: Zaskočni in kodirni deli - Standard za proizvod
Ta evropski standard določa centralni spojni mehanizem za odklopno ohišje velikosti 2, ki se uporablja v
družini modularnih pravokotnih električnih in optičnih konektorjev s pravokotnimi vložki.
General Information
- Status
- Published
- Publication Date
- 08-Dec-2015
- Technical Committee
- I13 - Imaginarni 13
- Current Stage
- 6060 - National Implementation/Publication (Adopted Project)
- Start Date
- 18-Nov-2015
- Due Date
- 23-Jan-2016
- Completion Date
- 09-Dec-2015
Overview - EN 4644-201:2015 (Locking and polarizing hardware)
EN 4644-201:2015 is a European product standard in the EN 4644 aerospace connector series. It specifies the central coupling mechanism (locking and polarizing hardware) for size 2 disconnect housings used with modular rectangular electrical and optical connectors with rectangular inserts rated for continuous operating temperatures of 175 °C (or 125 °C). The document is part of the ASD‑STAN / CEN body of standards for aerospace electrical equipment and plug-and-socket devices.
Key topics and requirements
- Scope: Central coupling mechanism for size 2 disconnect housing within the EN 4644 modular rectangular connector family.
- Hardware types covered: Centre coupling screw and nut (including fixing nut) used for coupling and polarization.
- Dimensional specification: Detailed centre coupling screw and centre coupling nut dimensions are provided (see figures in the standard).
- Mass limit: All locking and polarizing hardware items have a maximum mass of 20 g.
- Designation example: The standard provides a designation convention (e.g., EN 4644-201MS) indicating standard number, material type (M = metallic), and polarizing type (S = centre coupling screw; N = centre coupling nut).
- Marking: No marking is required on the centre coupling mechanism.
- Technical specification linkage: For full connector technical requirements, EN 4644-001 (Part 001: Technical specification) is referenced and must be used in conjunction.
Practical applications and users
Who uses EN 4644-201:
- Aerospace connector designers and manufacturers specifying locking and polarizing hardware for high-temperature modular rectangular connectors.
- Procurement and quality teams ensuring component compliance and interchangeability within the EN 4644 connector family.
- Systems and avionics engineers selecting ruggedized electrical and optical connectors for aircraft and aerospace platforms operating at elevated temperatures.
- Test laboratories and certification bodies validating connector hardware to EN 4644 series requirements.
- Maintenance and repair organizations needing correct replacement parts and designation information.
Practical benefits:
- Ensures mechanical compatibility and polarization across modular connector assemblies.
- Simplifies supplier communication and procurement through standardized designations.
- Reduces design risk by referencing standardized dimensions and mass limits.
Related standards
- EN 4644-001 - Aerospace series - Connector, rectangular modular inserts - Part 001: Technical specification (normative reference).
- EN 4644-002 - Part 002: Specification of performance and contact arrangements (bibliography).
Keywords: EN 4644-201:2015, aerospace connector standard, locking and polarizing hardware, central coupling mechanism, size 2 disconnect housing, modular rectangular connector, operating temperature 175 °C.
Frequently Asked Questions
SIST EN 4644-201:2016 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Aerospace series - Connector, electrical and optical, rectangular, modular, rectangular inserts, operating temperature 175 °C (or 125 °C) continuous - Part 201: Locking and polarizing hardware - Product standard". This standard covers: This European Standard specifies central coupling mechanism for size 2 disconnect housing used in the family of modular rectangular electrical and optical connector with rectangular inserts.
This European Standard specifies central coupling mechanism for size 2 disconnect housing used in the family of modular rectangular electrical and optical connector with rectangular inserts.
SIST EN 4644-201:2016 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 4644-201:2016 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 und optische Rechtecksteckverbinder, modular, rechteckige Kontakteinsätze, Dauerbetriebstemperatur 175 °C (oder 125 °C) konstant - Teil 201: Verriegelungs-und Kodierungsteile - ProduktnormSérie aérospatiale - Connecteur, électrique et optique, rectangulaire, modulaire, à inserts rectangulaires, température de fonctionnement 175 °C (ou 125 °C) continu - Partie 201 : Système de verrouillage et polarisation - Norme de produitAerospace series - Connector, electrical and optical, rectangular, modular, rectangular inserts, operating temperature 175 °C (or 125 °C) continuous - Part 201: Locking and polarizing hardware - Product standard49.060Aerospace electric equipment and systems31.220.10Plug-and-socket devices. ConnectorsICS:Ta slovenski standard je istoveten z:EN 4644-201:2015SIST EN 4644-201:2016en,fr,de01-januar-2016SIST EN 4644-201:2016SLOVENSKI
STANDARD
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 4644-201
November
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v {ä r { r English Version
Aerospace series æ Connectorá electrical and opticalá rectangulará modulará rectangular insertsá operating Locking and polarizing hardware æ Product standard Série aérospatiale æ Connecteurá électrique et optiqueá rectangulaireá modulaireá à inserts rectangulairesá continu æ Partie
t r s ã Système de verrouillage et polarisation æ Norme de produit
Luftæ und Raumfahrt æ Elektrische und optische Rechtecksteckverbinderá modulará rechteckige Kontakteinsätzeá Dauerbetriebstemperatur
s y w
¹C Kodierungsteile æ Produktnorm This European Standard was approved by CEN on
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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 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 w CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Membersä Refä Noä EN
v x v væ t r sã t r s w ESIST EN 4644-201:2016
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