SIST EN 4165-018:2026
(Main)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
General Information
- 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
- Published
- Public Enquiry End Date
- 26-Nov-2024
- Publication Date
- 20-Aug-2026
- Technical Committee
- I13 - Imaginarni 13
- Current Stage
- 6060 - National Implementation/Publication (Adopted Project)
- Start Date
- 11-Aug-2026
- Due Date
- 16-Oct-2026
- Completion Date
- 21-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.
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
Relations
- Effective Date
- 05-Aug-2026
- Effective Date
- 05-Aug-2026
- Effective Date
- 05-Aug-2026
- Effective Date
- 05-Aug-2026
- Effective Date
- 05-Aug-2026
- Effective Date
- 05-Aug-2026
- Effective Date
- 05-Aug-2026
- Effective Date
- 05-Aug-2026
- Effective Date
- 05-Aug-2026
- Effective Date
- 05-Aug-2026
- Effective Date
- 05-Aug-2026
- Effective Date
- 05-Aug-2026
- Effective Date
- 05-Aug-2026
- Effective Date
- 05-Aug-2026
- Effective Date
- 05-Aug-2026
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Frequently Asked Questions
SIST EN 4165-018:2026 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "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". This standard covers: 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.
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.
SIST EN 4165-018:2026 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 4165-018:2026 has the following relationships with other standards: It is inter standard links to SIST EN 4165-002:2009, SIST EN 4165-012:2008, SIST EN 3155-071:2026, SIST EN 3155-070:2026, SIST EN 4165-025:2017, SIST EN 4165-005:2009, SIST EN 4830-001:2016, SIST EN 4660-004:2019, SIST EN 3155-003:2026, SIST EN 4165-004:2009, SIST EN 3155-002:2024, SIST EN 4165-011:2008, SIST EN 4701-001:2015, SIST EN 4165-002:2023, SIST EN 4165-002:2015. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
SIST EN 4165-018:2026 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)
SLOVENSKI STANDARD
01-oktober-2026
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: EN 4165-018:2026
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
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EN 4165-018
EUROPEAN STANDARD
NORME EUROPÉENNE
July 2026
EUROPÄISCHE NORM
ICS 49.060 Supersedes 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 continu - Partie 018 : Bouchon de vol pour Betriebstemperatur 175 °C konstant - Teil 018:
embases 1, 2 et 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 European Standard was approved by CEN on 16 February 2026.
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. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.
This European Standard exists 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, Türkiye and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2026 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 4165-018:2026 E
worldwide for CEN national Members.
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 . 6
5.3 For single module . 7
6 Designation . 8
7 Marking . 9
8 Technical specification . 9
Bibliography . 10
European foreword
This document (EN 4165-018:2026) has been prepared by ASD-STAN.
After enquiries and votes carried out in accordance with the rules of this Association
...