EN 4644-131:2015

Aerospace series - Connector, electrical and optical, rectangular, modular, rectangular inserts, operating temperature 175 °C (or 125 °C) continuous - Part 131: Size 3 plug for rack and panel applications, class C and D - Product standard

This European Standard specifies the size 3 plug for rack and panel applications used in the family of modular rectangular electrical and optical connector with rectangular inserts. The receptacle corresponding to this plug is defined in EN 4644-133.

Luft- und Raumfahrt - Elektrische und optische Rechtecksteckverbinder, modular, rechteckige Kontakteinsätze, Dauerbetriebstemperatur 175 °C (oder 125 °C) konstant - Teil 131: Freier Steckverbinder, Größe 3, für Einschubanwendungen, Klassen C und D - Produktnorm

Série aérospatiale - Connecteur, électrique et optique, rectangulaire, modulaire, à inserts rectangulaires, température de fonctionnement 175 °C (ou 125 °C) continu - Partie 131 : Fiche, taille 3, pour applications rackables, classes C et D - Norme de produit

La présente norme européenne spécifie la fiche de taille 3 pour applications rackables utilisée dans la famille des connecteurs électriques et optiques rectangulaires modulaires avec inserts rectangulaires. L’embase correspondant à cette fiche est définie dans l’EN 4644-133.

Aeronavtika - Konektor, električni in optični, pravokotni, modularni, pravokotni vložki, stalna delovna temperatura 175 °C (ali 125 °C) - 131. del: Vtič velikosti 3 za uporabo v stojalih in na ploščah, razreda C in D - Standard za proizvod

Ta evropski standard določa vtič velikosti 3 za stojalo in ploščo, ki se uporabljata v družini
modularnih pravokotnih električnih in optičnih konektorjev s pravokotnimi vložki. Priključna doza, ki ustreza temu vtiču, je opredeljena v standardu EN 4644-133.

General Information

• Status: Published
• Publication Date: 15-Dec-2015
• Withdrawal Date: 29-Jun-2016
• ICS: 49.060 - Aerospace electric equipment and systems
• ICS: 49.090 - On-board equipment and instruments
• Technical Committee: ASD-STAN - Aerospace
• Drafting Committee: ASD-STAN/D 2 - Electrical
• Current Stage: 6060 - Definitive text made available (DAV) - Publishing
• Start Date: 16-Dec-2015
• Completion Date: 16-Dec-2015
• Ref Project: SIST EN 4644-131:2016 - Aerospace series - Connector, electrical and optical, rectangular, modular, rectangular inserts, operating temperature 175 °C (or 125 °C) continuous - Part 131: Size 3 plug for rack and panel applications, class C and D - Product standard

Relations

• Replaces: EN 4644-131:2011 - Aerospace series - Connector, electrical and optical, rectangular, modular, rectangular inserts, operating temperature 175 °C (or 125 °C) continuous - Part 131: Size 3 plug for rack and panel applications - Product standard
• Effective Date: 12-Mar-2014
• Refers: EN 4644-001:2017 - Aerospace series - Connector, electrical and optical, rectangular, modular, rectangular inserts, operating temperature 175 °C (or 125 °C) continuous - Part 001: Technical specification
• Effective Date: 28-Jan-2026
• Refers: EN 4644-133:2016 - Aerospace series - Connector, electrical and optical, rectangular, modular, rectangular inserts, operating temperature 175 °C (or 125 °C) continuous - Part 133: Size 3 receptacle for rack and panel application, class C and D - Product Standard
• Effective Date: 28-Jan-2026
• Referred By: EN 4644-002:2016 - Aerospace series - Connector, electrical and optical, rectangular, modular, rectangular inserts, operating temperature 175 °C (or 125 °C) continuous - Part 002: Specification of performance and contact arrangements
• Effective Date: 28-Jan-2026
• Referred By: EN 4644-133:2011 - Aerospace series - Connector, electrical and optical, rectangular, modular, rectangular inserts, operating temperature 175 °C (or 125 °C) continuous - Part 133: Size 3 receptacle for rack and panel application - Product standard
• Effective Date: 28-Jan-2026
• Referred By: EN 4644-002:2012 - Aerospace series - Connector, electrical and optical, rectangular, modular, rectangular inserts, operating temperature 175 °C (or 125 °C) continuous - Part 002: Specification of performance and contact arrangements
• Effective Date: 28-Jan-2026
• Referred By: EN 3155-002:2024 - Aerospace series - Electrical contacts used in elements of connection - Part 002: List and utilization of contacts
• Effective Date: 28-Jan-2026

Overview

EN 4644-131:2015 is a European Standard from CEN, part of the aerospace series of electrical and optical connectors. This standard specifically addresses the requirements for a size 3 plug used in rack and panel applications, featuring modular and rectangular inserts. The connectors covered are designed for continuous operation at high temperatures (either 175°C or 125°C), supporting high-reliability electrical and optical connectivity for aerospace environments. The corresponding receptacle for this plug is defined in EN 4644-133.

Key Topics

• Connector Type: Modular, rectangular, electrical and optical plug with rectangular inserts, size 3.
• Temperature Ratings: Supports continuous operation at 175°C or 125°C.
• Application Environment: Developed for use in demanding aerospace rack and panel systems.
• Plug Classes: Defines requirements for classes C and D, supporting different operational and environmental needs.
• Design Features:
  • Self-locking thread options to ensure secure connection
  • Max mass of 40g for lightweight integration
  • Flexibility in housing types and polarization coding for compatibility and assembly control
• Identification and Marking:
  • Clear manufacturer identification and date code marking, as per standard
  • Housing markings to support maintenance and lifecycle tracking

Applications

The EN 4644-131:2015 standard is integral to the design and installation of electrical and optical connectors in aerospace systems, including:

• Avionics: Connecting modular systems within racks and panels to support mission-critical data and power transmission.
• Cabin Systems: Enabling modular, robust connections for displays, lighting, and passenger service systems.
• Flight Control Systems: Supporting reliability and performance in harsh environments, adhering to strict aerospace requirements.
• Military and Defense Equipment: Used in applications that require secure, high-temperature operation and easy replacement or reconfiguration.
• Maintenance and Upgrades: Facilitating rapid installation or replacement of plug-in modules, reducing downtime in aerospace systems.

Related Standards

Understanding and implementing EN 4644-131:2015 is enhanced by reference to the following associated standards:

• EN 4644-001: Technical specification for aerospace series electrical and optical connectors, outlining general requirements across the family of products.
• EN 4644-002: Details on performance specification and contact arrangements, including shell class and polarization specifics.
• EN 4644-133: The direct counterpart, detailing requirements for the size 3 receptacle for rack and panel applications.
• ICS 49.060: Aerospace electric equipment and systems - the international classification marking for this family of standards.
• ICS 31.220.10: Plug-and-socket devices and connectors, providing a wider context for standardization and compatibility.

Practical Value

Adhering to EN 4644-131:2015 ensures:

• Interoperability: Standardization enables component interchangeability between manufacturers.
• Quality Assurance: Compliance delivers high performance and reliability in critical aerospace operations.
• Lifecycle Management: Standardized marking and identification simplify system maintenance, traceability, and upgrades.
• System Compatibility: Ensures compatibility with other EN 4644 connectors and associated panel/rack systems.

By specifying modular, high-reliability connectors for demanding aerospace environments, EN 4644-131:2015 supports efficient, safe, and maintainable aircraft system design.

Standards Content (Sample)

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.RL]YRGLuft- und Raumfahrt - Elektrische und optische Rechtecksteckverbinder, modular, rechteckige Kontakteinsätze, Dauerbetriebstemperatur 175 °C (oder 125 °C) konstant - Teil 131: Freier Steckverbinder, Größe 3, für Einschubanwendungen, Klasse C und D - ProduktnormSérie aérospatiale - Connecteur, électrique et optique, rectangulaire, modulaire, à inserts rectangulaires, température de fonctionnement 175 °C (ou 125 °C) continu - Partie 131 : Fiche, taille 3, pour applications rackables, classes C et D - Norme de produitAerospace series - Connector, electrical and optical, rectangular, modular, rectangular inserts, operating temperature 175 °C (or 125 °C) continuous - Part 131: Size 3 plug for rack and panel applications, class C and D - Product standard49.060Aerospace electric equipment and systems31.220.10Plug-and-socket devices. ConnectorsICS:Ta slovenski standard je istoveten z:EN 4644-131:2015SIST EN 4644-131:2016en,fr,de01-marec-2016SIST EN 4644-131:2016SLOVENSKI
STANDARDSIST EN 4644-131:20121DGRPHãþD

EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 4644-131
December
t r s w ICS
v {ä r x râ
v {ä r { r Supersedes EN
v x v væ s u sã t r s sEnglish Version
Aerospace series æ Connectorá electrical and opticalá rectangulará modulará rectangular insertsá operating continuous æ Part
s u sã Size
u plug for rack and panel applicationsá class C and D æ Product standard Sßrie aßrospatiale æ Connecteurá ßlectrique et optiqueá rectangulaireá modulaireá à inserts rectangulairesá continu æ Partie
s u s ã Ficheá taille
uá pour applications rackablesá classes C et D æ Norme de produit
Luftæ und Raumfahrt æ Elektrische und optische Rechtecksteckverbinderá modulará rechteckige Kontakteinsätzeá Dauerbetriebstemperatur
s y w
¹C Steckverbinderá Größe
uá für Einschubanwendungená Klasse C und D æ Produktnorm This European Standard was approved by CEN on
u r June
t r s wä
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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 andUnited 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 s u sã t r s w ESIST EN 4644-131:2016
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