SIST EN 3545-006:2026

Aerospace series - Connectors, electrical, rectangular, with sealed and non-sealed rear, plastic housing, locking device, operating temperatures -55 °C to 175 °C - Part 006: Male coding and attachment System for mounting on fixed housing (receptacle) - Product standard

This document specifies the male coding and attachment system for mounting on fixed housing in the family of rectangular electrical connectors with sealed and non-sealed rear, plastic housing, locking device, for operating temperatures from −55 °C to 175 °C.

Luft- und Raumfahrt - Elektrische Rechtecksteckverbinder mit und ohne hintere Abdichtung, Plastikgehäuse, Verriegelungssystem, Betriebstemperaturen von -55 °C bis 175 °C - Teil 006: Stiftkodierung und Befestigungszubehör für ein festes Gehäuse (Steckdose) - Produktnorm

Dieses Dokument legt das Stiftkodierungs  und Befestigungssystem für die Montage an einem festen Gehäuse in der Familie der elektrischen Rechtecksteckverbinder mit und ohne hintere Abdichtung, Plastikgehäuse, Verriegelungssystem, für Betriebstemperaturen von –55 °C bis 175 °C fest.

Série aérospatiale - Connecteurs électriques, rectangulaires, étanches et non étanches à l'arrière, à boîtier en plastique, à verrouillage, températures d'utilisation -55 °C à 175 °C - Partie 006 : Système de fixation et de codage mâle pour montage sur boîtier fixe (embase) - Norme de produit

Le présent document spécifie le système de codage et de fixation mâle destiné à être monté sur un boîtier fixe de la famille de connecteurs électriques rectangulaires étanches et non étanches à l’arrière, à boîtier en plastique, à verrouillage, pour des températures d’utilisation comprises entre -55 °C et 175 °C.

Aeronavtika - Konektorji, električni, pravokotni, s tesnilno kapo ali brez nje, plastično ohišje, zaporni mehanizem, delovna temperatura med –55 °C in 175 °C - 006. del: Zatič in sistem za pritrditev na nepremično ohišje (vtičnica) - Standard za proizvod

Ta dokument določa sistem moškega kodiranja in pritrditve za montažo na fiksno ohišje v družini pravokotnih električnih konektorjev z zatesnjenim in nezatesnjenim zadnjim delom, plastičnim ohišjem, zapiralno napravo, za obratovalne temperature od −55 °C do 175 °C.

General Information

• Status: Published
• Public Enquiry End Date: 29-Sep-2024
• Publication Date: 30-Mar-2026
• 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: 18-Mar-2026
• Due Date: 23-May-2026
• Completion Date: 31-Mar-2026
• Ref Project: EN 3545-006:2026 - Aerospace series - Connectors, electrical, rectangular, with sealed and non-sealed rear, plastic housing, locking device, operating temperatures –55 °C to 175 °C - Part 006: Male coding and attachment system for mounting on fixed housing (receptacle) - Product standard

Relations

• 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: 15-Apr-2026
• Referred By: SIST EN 3545-002:2008 - Aerospace series - Connectors, electrical, rectangular, with sealed and non-sealed rear, plastic housing, locking device, operating temperatures - 55 °C to 175 °C - Part 002: Specification of performance and contact arrangements
• Effective Date: 04-Mar-2026
• Referred By: SIST EN 3545-009:2008 - Aerospace series - Connectors, electrical, rectangular, with sealed and non-sealed rear, plastic housing, locking device, operating temperatures - 55 °C to 175 °C - Part 009: Protective cover for plug and receptacle - Product standard
• Effective Date: 04-Mar-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: 04-Mar-2026
• Referred By: SIST EN 3155-014:2019 - Aerospace series - Electrical contacts used in elements of connection - Part 014: Contacts, electrical, male, type A, crimp, class S - Product standard
• Effective Date: 04-Mar-2026
• Referred By: SIST EN 3545-008:2009 - Aerospace series - Connectors, electrical, rectangular, with sealed and non-sealed rear, plastic housing, locking device, operating temperatures - 55 C to 175 C - Part 008: Tools for assembly/removal of coding and attachment system - Product standard
• Effective Date: 04-Mar-2026
• Referred By: SIST EN 3155-015:2019 - Aerospace series - Electrical contacts used in elements of connection - Part 015: Contacts, electrical, female, type A, crimp, class S - Product standard
• Effective Date: 04-Mar-2026
• Revised: SIST EN 3545-006:2015 - Aerospace series - Connectors, electrical, rectangular, with sealed and non-sealed rear, plastic housing, locking device, operating temperatures -55 °C to 175 °C - Part 006: Male coding and attachment System for mounting on fixed housing (receptacle) - Product standard
• Effective Date: 19-Jan-2023

Overview

SIST EN 3545-006:2026 is a European standard developed by CEN within the Aerospace series, specifically addressing the design and requirements for male coding and attachment systems used for mounting rectangular electrical connectors onto fixed housings (receptacles). These electrical connectors are equipped with either sealed or non-sealed rears, feature a plastic housing, and a robust locking device, with an operating temperature range from −55 °C to 175 °C. This product standard is critical for ensuring compatibility, safety, and reliability in aerospace and high-performance electrical applications.

Key Topics

• Standardized Male Coding System: The document details the essential dimensional, material, and assembly requirements for male coding and attachment systems designed for fixed housing receptacles.
• Sealed and Non-sealed Rear Configurations: It covers both sealed and non-sealed rear connector systems, meeting diverse environmental protection requirements.
• Plastic Housing with Locking Device: Specifications ensure the connectors provide secure mechanical engagement and reliable electrical performance.
• Materials and Surface Treatments:
  • Body and washer: steel, cadmium-plated/dichromate sealed or zinc/nickel alloys with trivalent passivation.
  • Retaining ring: beryllium copper with compatible surface treatment.
  • Nut: cadmium-plated or zinc/nickel surface treatment.
• No Mixed Finishes: All parts within a single assembly must have the same type of surface treatment to guarantee protection and compatibility.
• Performance Requirements: Main characteristics, including tightening torques and mounting provisions, refer back to the broader EN 3545-001 and EN 3545-002 standards.
• Temperature Range: Suitable for aerospace environments, functioning reliably from −55 °C to 175 °C.

Applications

The standard SIST EN 3545-006:2026 is designed for applications requiring robust, secure, and standardized electrical connections within:

• Commercial and Military Aviation: Electrical harnesses, avionics, and critical systems where consistent connector performance under extreme conditions is essential.
• Spacecraft and Satellites: Where connectors must withstand wide temperature ranges and provide high reliability in harsh operating environments.
• High-performance Industrial Sectors: Including automotive, defense, and transportation where rectangular electrical connectors are used for control or power distribution systems.
• Maintenance, Repair, and Overhaul (MRO): Ensures standardized replacement and compatibility in service environments worldwide.

This standard supports the increasing demands for modular design, easy replacement, and reduced downtime by ensuring the male coding and attachment systems for fixed housings are universally compatible and easy to assemble.

Related Standards

SIST EN 3545-006:2026 is part of the comprehensive EN 3545 connector series, which includes:

• EN 3545-001: Technical specification for rectangular electrical connectors with sealed/non-sealed rears, defining overall characteristics and requirements.
• EN 3545-002: Detailed performance and contact arrangements for these connector systems.
• FED-STD-H28: Reference for screw-thread standards impacting certain attachment features.
• Other EN 3545 Parts: Covering different connector configurations, mating interfaces, and specific accessories, all contributing to system-wide compatibility in aerospace electrical systems.

For organizations seeking compliance and interoperability in aerospace or high-performance electrical systems, adherence to SIST EN 3545-006:2026 and related standards ensures connectors meet stringent safety, performance, and reliability requirements in demanding environments.

Standards Content (Sample)

SLOVENSKI STANDARD
01-maj-2026
Aeronavtika - Konektorji, električni, pravokotni, s tesnilno kapo ali brez nje,
plastično ohišje, zaporni mehanizem, delovna temperatura med –55 °C in 175 °C -
006. del: Zatič in sistem za pritrditev na nepremično ohišje (vtičnica) - Standard za
proizvod
Aerospace series - Connectors, electrical, rectangular, with sealed and non-sealed rear,
plastic housing, locking device, operating temperatures -55 °C to 175 °C - Part 006: Male
coding and attachment System for mounting on fixed housing (receptacle) - Product
standard
Luft- und Raumfahrt - Elektrische Rechtecksteckverbinder mit und ohne hintere
Abdichtung, Plastikgehäuse, Verriegelungssystem, Betriebstemperaturen von -55 °C bis
175 °C - Teil 006: Stiftkodierung und Befestigungszubehör für ein festes Gehäuse
(Steckdose) - Produktnorm
Série aérospatiale - Connecteurs électriques, rectangulaires, étanches et non étanches
à l'arrière, à boîtier en plastique, à verrouillage, températures d'utilisation -55 °C à 175
°C - Partie 006 : Système de fixation et de codage mâle pour montage sur boîtier fixe
(embase) - Norme de produit
Ta slovenski standard je istoveten z: EN 3545-006:2026
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 3545-006
EUROPEAN STANDARD
NORME EUROPÉENNE
February 2026
EUROPÄISCHE NORM
ICS 49.060 Supersedes EN 3545-006:2015
English Version
Aerospace series - Connectors, electrical, rectangular, with
sealed and non-sealed rear, plastic housing, locking device,
operating temperatures -55 °C to 175 °C - Part 006: Male
coding and attachment system for mounting on fixed
housing (receptacle) - Product standard
Série aérospatiale - Connecteurs électriques, Luft- und Raumfahrt - Elektrische
rectangulaires, étanches et non étanches à l'arrière, à Rechtecksteckverbinder mit und ohne hintere
boîtier en plastique, à verrouillage, températures Abdichtung, Plastikgehäuse, Verriegelungssystem,
d'utilisation -55 °C à 175 °C - Partie 006 : Système de Betriebstemperaturen von -55 °C bis 175 °C - Teil 006:
codage et de fixation mâle pour montage sur boîtier Stiftkodierung und Befestigungszubehör für ein festes
fixe (embase) - Norme de produit Gehäuse (Steckdose) - Produktnorm
This European Standard was approved by CEN on 5 October 2025.

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 3545-006:2026 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
4.1 Dimensions, mass . 4
4.2 Materials and surface treatment . 7
4.3 Main general characteristics . 7
5 Designation . 7
6 Technical specification .
...