SIST EN 4165-018:2026

• Abstract:

  This document specifies the protective cover for all receptacles series 2 and series 31 used in the family of rectangular electrical connectors.; The receptacle connectors corresponding to those protective covers are specified in EN 4165-004, EN 4165-011 and EN 4165-025.

• Status: Not Published
• Public Enquiry End Date: 26-Nov-2024
• ICS: 31.220.10 - Plug-and-socket devices. Connectors
• ICS: 49.060 - Aerospace electric equipment and systems
• Technical Committee: I13 - Imaginarni 13
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 11-Aug-2026
• Due Date: 16-Oct-2026
• Ref Project: EN 4165-018:2026 - Aerospace series - Connectors, electrical, rectangular, modular - Operating temperature 175 °C continuous - Part 018: Protective cover for 1, 2 and 4 module receptacles series 2 and 3 - Product standard

• Referred By: SIST EN 4165-002:2009 - Aerospace series - Connectors, electrical, rectangular, modular - Operating temperature 175 °C continuous - Part 002: Specification of performance and contact arrangements
• Effective Date: 05-Aug-2026
• Referred By: SIST EN 4165-012:2008 - Aerospace series - Connectors, electrical, rectangular, modular - Operating temperature 175 °C continuous - Part 012: Flange mounting receptacle 2 and 4 modules, series 3 - Product standard
• Effective Date: 05-Aug-2026
• Referred By: SIST EN 3155-070:2026 - Aerospace series - Electrical contacts used in elements of connection - Part 070: Contacts, electrical, male, type A, crimp, class S - Product standard
• Effective Date: 05-Aug-2026
• Referred By: SIST EN 4165-025:2017 - Aerospace series - Connectors, electrical, rectangular, modular - Operating temperature 175 °C continuous - Part 025: Single module receptacle - Product standard
• Effective Date: 05-Aug-2026
• Referred By: SIST EN 3155-071:2026 - Aerospace series - Electrical contacts used in elements of connection - Part 071: Contacts, electrical, female, type A, crimp, class S - Product standard
• Effective Date: 05-Aug-2026
• Referred By: SIST EN 4165-005:2009 - Aerospace series - Connectors, electrical, rectangular, modular - Operating temperature 175 °C continuous - Part 005: Stackable mounting receptacle 2 and 4 modules, series 3 - Product standard
• Effective Date: 05-Aug-2026
• Referred By: SIST EN 4830-001:2016 - Aerospace series - Connectors, optical, rectangular, modular, operating temperature 125 °C, for EN 4639-10X contacts - Part 001: Technical specification
• Effective Date: 05-Aug-2026
• Referred By: SIST EN 4660-004:2019 - Aerospace series - Modular and open avionics architectures - Part 004: Packaging
• Effective Date: 05-Aug-2026
• Referred By: SIST EN 3155-003:2026 - Aerospace series - Electrical contacts used in elements of connection - Part 003: Contacts, electrical, female, type A, crimp, class S - Product standard
• Effective Date: 05-Aug-2026
• Referred By: SIST EN 4165-004:2009 - Aerospace series - Connectors, electrical, rectangular, modular - Operating temperature 175°C continuous - Part 004: Stackable mounting receptacle 2 and 4 modules, series 2 - Product standard
• Effective Date: 05-Aug-2026
• Referred By: SIST EN 3155-002:2024 - Aerospace series - Electrical contacts used in elements of connection - Part 002: List and utilization of contacts
• Effective Date: 05-Aug-2026
• Referred By: SIST EN 4165-011:2008 - Aerospace series - Connectors, electrical, rectangular, modular - Operating temperature 175 °C continuous - Part 011: Flange mounting receptacle 2 and 4 modules, series 2 - Product standard
• Effective Date: 05-Aug-2026
• Referred By: SIST EN 4701-001:2015 - Aerospace series - Connectors, optical, rectangular, modular, operating temperature 125 °C, for EN 4531-101 contacts - Part 001: Technical specification
• Effective Date: 05-Aug-2026
• Referred By: SIST EN 4165-002:2023 - Aerospace series - Connectors, electrical, rectangular, modular - Operating temperature 175 °C continuous - Part 002: Specification of performance and contact arrangements
• Effective Date: 05-Aug-2026
• Referred By: SIST EN 4165-002:2015 - Aerospace series - Connectors, electrical, rectangular, modular - Operating temperature 175 °C continuous - Part 002: Specification of performance and contact arrangements
• Effective Date: 05-Aug-2026

Overview

SIST EN 4165-018:2026 is a European product standard dedicated to the aerospace sector, specifying requirements for protective covers designed for rectangular, modular electrical connectors. Targeting receptacles in series 2 and series 3, these protective covers ensure robust environmental and operational performance at continuous temperatures up to 175 °C. The standard supports the safeguarding of electrical connector receptacles-used broadly in modern aerospace systems-against dust, debris, and environmental hazards, contributing to connector reliability and system longevity.

Key Topics

• Protective Cover Design: The standard defines protective covers for 1, 2, and 4 module receptacles in connector series 2 and 3, ensuring compatibility and secure fit for each configuration.
• High Temperature Performance: Covers are engineered for operation at 175 °C continuous, aligning with harsh aerospace environments and high-reliability requirements.
• Component Marking: Specifications for marking the protective cover are included, mandating manufacturing identity and traceability.
• Attachment Methods: Features such as unlosable cords, non-metallic attachment devices, and eyelets are outlined to maintain secure cover retention during use or maintenance.
• Normative References: The standard references EN 4165-001 and EN 4165-002 for general and performance specifications, linking protective covers to the broader connector family.

Applications

SIST EN 4165-018:2026 is critical for:

• Aerospace Electrical Systems: Protecting rectangular modular connectors in flight vehicle wiring systems, avionics, and control units where reliable electrical interfacing and environmental sealing are essential.
• Component Maintenance and Handling: Covers safeguard unused or temporarily disconnected receptacles, preventing ingress of contaminants and protecting delicate contacts during assembly, servicing, or storage.
• Product Qualification and Compliance: Manufacturers of aerospace electrical connectors, harnesses, or equipment employ this standard to meet international specification and documentation requirements, supporting airworthiness and regulatory compliance.
• System Integration: Ensuring modularity and serviceability in aircraft electrical networks where connectors are subject to repeated connection and disconnection.

Related Standards

For comprehensive implementation and connector selection, the following standards are referenced or relevant:

• EN 4165-001: Aerospace series - Connectors, electrical, rectangular, modular – General technical specification.
• EN 4165-002: Specification of performance and contact arrangements for modular rectangular connectors.
• EN 4165-004: Stackable mounting receptacle for 2 and 4 module connectors (series 2).
• EN 4165-011: Flange mounting receptacle for 2 and 4 module connectors (series 2).
• EN 4165-025: Single module receptacle product standard.

SIST EN 4165-018:2026 aligns with international best practices and supports quality management processes in aerospace electrical system design, manufacturing, and maintenance.

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Keywords: aerospace series connectors, rectangular modular connectors, protective cover, environmental protection, high temperature connector, electrical receptacle protection, EN 4165 standards, connector marking, aviation connector covers, SIST standard, connector system safety

SLOVENSKI STANDARD
oSIST prEN 4165-018:2024
01-november-2024
Aeronavtika - Konektorji, električni, pravokotni, modularni - Stalna delovna
temperatura 175 °C - 018. del: Zaščitna kapa za enega, dva in štiri module, seriji 2
in 3 - Standard za proizvod
Aerospace series - Connectors, electrical, rectangular, modular - Operating temperature
175 °C continuous - Part 018: Protective cover for 1, 2 and 4 module receptacles series
2 and 3 - Product standard
Luft- und Raumfahrt - Elektrischer Rechtecksteckverbinder in modularer Bauweise -
Betriebstemperatur 175 °C konstant - Teil 018: Schutzkappe für festen Steckverbinder
mit 1, 2 und 4 Modulen, Serie 2 und 3 - Produktnorm
Série aérospatiale - Connecteurs électriques rectangulaires modulaires - Température
d'utilisation 175 °C - Partie 018 : Bouchon de vol pour les embases pour 1, 2 ou 4
modules, série 2 et série 3 - Norme de produit
Ta slovenski standard je istoveten z: prEN 4165-018
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 4165-018:2024 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

oSIST prEN 4165-018:2024
oSIST prEN 4165-018:2024
DRAFT
EUROPEAN STANDARD
prEN 4165-018
NORME EUROPÉENNE
EUROPÄISCHE NORM
September 2024
ICS 49.060 Will supersede EN 4165-018:2015
English Version
Aerospace series - Connectors, electrical, rectangular,
modular - Operating temperature 175 °C continuous - Part
018: Protective cover for 1, 2 and 4 module receptacles
series 2 and 3 - Product standard
Série aérospatiale - Connecteurs électriques Luft- und Raumfahrt - Elektrischer
rectangulaires modulaires - Température d'utilisation Rechtecksteckverbinder in modularer Bauweise -
175 °C - Partie 018 : Bouchon de vol pour les embases Betriebstemperatur 175 °C konstant - Teil 018:
pour 1, 2 ou 4 modules, série 2 et série 3 - Norme de Schutzkappe für festen Steckverbinder mit 1, 2 und 4
produit Modulen, Serie 2 und 3 - Produktnorm
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.

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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.

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COMITÉ EUROPÉEN DE NORMALISATION

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© 2024 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 4165-018:2024 E
worldwide for CEN national Members.

oSIST prEN 4165-018:2024
prEN 4165-018:2024 (E)
Contents Page
European foreword . 3
1 Scope . 4
2 Normative references . 4
3 Terms and definitions . 4
4 Required characteristics . 4
5 Protective cover . 4
5.1 For 2 modules, classes W and F . 4
5.2 For 4 modules, classes W and F . 5
5.3 For single module . 7
6 Designation .
...