EN 4703:2022

Aerospace series - Test specification for verification of the permeability of electrical insulation

This document specifies a test that determines the ability of electrical equipment to withstand wet atmospheres in combination with variable ambient air pressure in particular in an aircraft installation. The main adverse effects to be anticipated are fluid ingress and related insulation breakdown.

Luft- und Raumfahrt - Testverfahren zur Überprüfung der elektrischen Isolationsfestigkeit

Dieses Dokument legt eine Prüfung fest, die die Fähigkeit elektrischer Geräte bestimmt, feuchten Atmosphären in Kombination mit wechselndem Luftdruck in der Umgebungsluft, insbesondere in einer Flugzeuginstallation, zu widerstehen. Die wichtigsten zu erwartenden nachteiligen Auswirkungen sind das Eindringen von Flüssigkeit und der damit verbundene Ausfall der Isolierung.

Série aérospatiale - Spécification d’essai pour la vérification de la perméabilité de l’isolation électrique

Le présent document spécifie un essai qui détermine la capacité des équipements électriques à résister aux atmosphères humides combinées à une pression atmosphérique ambiante variable, en particulier dans une installation d'aéronef. Les principaux effets indésirables à prévoir sont la pénétration de fluides et la rupture d'isolement qui en découle.

Aeronavtika - Specifikacija preskusa za preverjanje prepustnosti izolacije električne opreme

Ta dokument določa preskus za določitev sposobnosti električne opreme, da prenese vlažno okolje v kombinaciji s spremenljivim tlakom zunanjega zraka, zlasti v letalih. Glavna škodljiva učinka, ki ju je mogoče predvideti, sta vdor tekočine in s tem povezan izpad izolacije.

General Information

• Status: Published
• Publication Date: 20-Dec-2022
• ICS: 49.060 - Aerospace electric equipment and systems
• Technical Committee: ASD-STAN - Aerospace
• Drafting Committee: ASD-STAN/D 12/WG 3 - Cabin monuments and supply systems
• Current Stage: 6060 - Definitive text made available (DAV) - Publishing
• Start Date: 21-Dec-2022
• Completion Date: 21-Dec-2022
• Ref Project: SIST EN 4703:2023 - Aerospace series - Test specification for verification of the permeability of electrical insulation

Standards Content (Sample)

SLOVENSKI STANDARD
SIST EN 4703:2023
01-marec-2023
Aeronavtika - Specifikacija preskusa za preverjanje prepustnosti izolacije
električne opreme
Aerospace series - Test specification for verification of the permeability of electrical
insulation
Luft- und Raumfahrt - Testverfahren zur Überprüfung der elektrischen Isolationsfestigkeit
Série aérospatiale - Spécification d’essai pour la vérification de la perméabilité de
l’isolation électrique
Ta slovenski standard je istoveten z: EN 4703:2022
ICS:
49.060 Letalska in vesoljska Aerospace electric
električna oprema in sistemi equipment and systems
SIST EN 4703:2023 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN 4703:2023

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SIST EN 4703:2023


EN 4703
EUROPEAN STANDARD

NORME EUROPÉENNE

December 2022
EUROPÄISCHE NORM
ICS 49.060
English Version

Aerospace series - Test specification for verification of the
permeability of electrical insulation
Série aérospatiale - Spécification d'essai pour la Luft- und Raumfahrt - Testverfahren zur Überprüfung
vérification de la perméabilité de l'isolation électrique der elektrischen Isolationsfestigkeit
This European Standard was approved by CEN on 22 August 2022.

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
© 2022 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 4703:2022 E
worldwide for CEN national Members.

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SIST EN 4703:2023
EN 4703:2022 (E)
Contents Page
European foreword . 3
1 Scope . 4
2 Normative references . 4
3 Terms and definitions . 4
4 Test set-up . 4
4.1 General set-up . 4
4.1.1 General. 4
4.1.2 Test set-up 1: HV-insulation resistance measurement . 4
4.1.3 Test set-up 2: Sheath integrity measurement . 5
4.2 Immersion of receptacle . 6
4.3 Operation of test unit . 7
5 Test procedure . 8
6 Pass/fail criteria .
...