SIST EN 50065-4-2:2003/A2:2005
(Amendment)Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz and 1,6 MHz to 30 MHz -- Part 4-2: Low voltage decoupling filters - Safety requirements
Signalübertragung auf elektrischen Niederspannungsnetzen im Frequenzbereich 3 kHz bis 148,5 kHz und 1,6 MHz zu 30 MHz -- Teil 4-2: Niederspannungs-Entkopplungsfilter - Sicherheitsanforderungen
Transmission de signaux sur les réseaux électriques basse tension dans la bande de fréquences de 3 kHz à 148,5 kHz et de 1,6 MHz à 30 MHz -- Partie 4-2: Filtres basse tension de découplage - Exigences de sécurité
Signalizacija po nizkonapetostnih električnih napeljavah v frekvenčnem območju od 3 kHz do 148,5 kHz – 4-2. del: Nizkonapetostni ločilni filtri – Varnostne zahteve
General Information
- Status
- Published
- Publication Date
- 31-Aug-2005
- Technical Committee
- KIN - Mains communicating systems
- Current Stage
- 6060 - National Implementation/Publication (Adopted Project)
- Start Date
- 01-Sep-2005
- Due Date
- 01-Sep-2005
- Completion Date
- 01-Sep-2005
- Directive
- Not Harmonized2006/95/EC - Directive 2006/95/EC of the European Parliament and of the Council of 12 December 2006 on the harmonisation of the laws of Member States relating to electrical equipment designed for use within certain voltage limits (codified version)OJ Ref: C 348/03 OJ Date: 28-Nov-2013 Conflicting Date: 01-Mar-2008
Harmonized Standard2014/35/EU - Directive 2014/35/EU of the European Parliament and of the Council of 26 February 2014 on the harmonisation of the laws of the Member States relating to the making available on the market of electrical equipment designed for use within certain voltage limitsOJ Ref: C 249/03 OJ Date: 08-Jul-2016
Relations
- Effective Date
- 03-Feb-2026
- Effective Date
- 21-Sep-2010
- Effective Date
- 14-May-2019
Overview
SIST EN 50065-4-2:2003/A2:2005 specifies safety requirements for low voltage decoupling filters used in low-voltage electrical installations operating in the frequency ranges from 3 kHz to 148.5 kHz and 1.6 MHz to 30 MHz. Published by the Slovenian Institute for Standardization (SIST), this standard is based on the CENELEC EN 50065-4-2 and its amendment A2:2005. The document outlines requirements that aim to ensure the safe operation of low voltage decoupling filters used for signal transmission over power lines, helping to protect users and equipment from electric shock, component failure, and operational hazards.
Key Topics
- Scope of Frequency: Addresses safety over a wide range of frequencies (3 kHz–148.5 kHz, 1.6 MHz–30 MHz), covering various applications in home and building electronic systems (HBES) and mains communicating systems.
- Protection Against Electric Shock: Stipulates requirements to ensure rapid voltage discharge (to below DC 120 V within 5 seconds) where capacitors in excess of 0.1 µF are connected between conductors after disconnection.
- Insulation Resistance & Dielectric Strength: Describes test procedures, emphasizing the correct testing of insulation by ensuring electronic components between live parts are disconnected for accurate assessment.
- Component Selection: Proposes criteria for filters with rated currents of 40 A or more, particularly that a minimum prospective fault current of 6,000 A should be considered.
- Short-circuit Protection: Requirements advise on minimum safety thresholds to safeguard installations with higher rated currents from short-circuit conditions.
Applications
The safety requirements detailed in SIST EN 50065-4-2:2003/A2:2005 support critical functions in:
- Home and Building Electronic Systems: Ensuring safe integration of signalling technology for building automation, lighting control, and energy management.
- Mains Communicating Systems: Protection for devices utilizing power line communication (PLC) for transmitting data signals over existing electrical infrastructure.
- Decoupling Filter Manufacturing: Framework for the development, testing, and certification of low voltage decoupling filters, particularly those supporting higher current applications or operating across extended frequency bands.
- Electrical Installation Safety: Protecting both professional installers and end-users by minimizing the risks of electric shock, component failures, and fire hazards associated with decoupling filters in the specified frequency ranges.
Related Standards
For comprehensive compliance and system integration, consider referencing the following related international and European standards:
- EN 50065 Series: General requirements for signalling on low-voltage electrical installations.
- EN 50065-4-7: Portable low voltage decoupling filters - Safety requirements.
- Standards from CENELEC TC 205: Covering home and building electronic systems (HBES) and related building automation technologies.
- IEC 60364: Electrical installations of buildings – Relevant parts concerning safety and protection.
- IEC/EN 61000 Series: Electromagnetic compatibility (EMC) best practices, particularly relevant for signal transmission over power networks.
By adhering to the requirements of SIST EN 50065-4-2:2003/A2:2005, manufacturers, installers, and operators can ensure enhanced safety and reliable operation of signalling devices in low-voltage installations, supporting efficient and secure power line communication across modern residential and commercial infrastructure.
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Frequently Asked Questions
SIST EN 50065-4-2:2003/A2:2005 is a amendment published by the Slovenian Institute for Standardization (SIST). Its full title is "Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz and 1,6 MHz to 30 MHz -- Part 4-2: Low voltage decoupling filters - Safety requirements". This standard covers: Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz and 1,6 MHz to 30 MHz -- Part 4-2: Low voltage decoupling filters - Safety requirements
Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz and 1,6 MHz to 30 MHz -- Part 4-2: Low voltage decoupling filters - Safety requirements
SIST EN 50065-4-2:2003/A2:2005 is classified under the following ICS (International Classification for Standards) categories: 31.160 - Electric filters; 33.040.30 - Switching and signalling systems. The ICS classification helps identify the subject area and facilitates finding related standards.
SIST EN 50065-4-2:2003/A2:2005 has the following relationships with other standards: It is inter standard links to SIST EN 50065-4-1:2023, SIST EN 50065-4-2:2003, oSIST prEN 50065-4-2:2021. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
SIST EN 50065-4-2:2003/A2:2005 is associated with the following European legislation: EU Directives/Regulations: 2006/95/EC, 2014/35/EU, 73/23/EEC. When a standard is cited in the Official Journal of the European Union, products manufactured in conformity with it benefit from a presumption of conformity with the essential requirements of the corresponding EU directive or regulation.
SIST EN 50065-4-2:2003/A2:2005 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 SIST EN 50065-4-
2:2003/A2:2005
STANDARD
september 2005
Signalizacija po nizkonapetostnih električnih napeljavah v frekvenčnem
območju od 3 kHz do 148,5 kHz – 4-2. del: Nizkonapetostni ločilni filtri –
Varnostne zahteve
Signalling on low-voltage electrical installations in the frequency range 3 kHz to
148,5 kHz - Part 4-2: Low voltage decoupling filters - Safety requirements
ICS 31.160; 33.040.30 Referenčna številka
© Standard je založil in izdal Slovenski inštitut za standardizacijo. Razmnoževanje ali kopiranje celote ali delov tega dokumenta ni dovoljeno
EUROPEAN STANDARD EN 50065-4-2/A2
NORME EUROPÉENNE
EUROPÄISCHE NORM April 2005
ICS 31.160; 33.040.30
English version
Signalling on low-voltage electrical installations
in the frequency range 3 kHz to 148,5 kHz and 1,6 MHz to 30 MHz
Part 4-2: Low voltage decoupling filters –
Safety requirements
Transmission de signaux sur les réseaux Signalübertragung auf elektrischen
électriques basse tension dans la bande Niederspannungsnetzen im
de fréquences de 3 kHz à 148,5 kHz Frequenzbereich 3 kHz bis 148,5 kHz
et de 1,6 MHz à 30 MHz und 1,6 MHz zu 30 MHz
Partie 4-2: Filtres basse tension de Teil 4-2: Niederspannungs-
découplage - Exigences de sécurité Entkopplungsfilter -
Sicherheitsanforderungen
This amendment A2 modifies the European Standard EN 50065-4-2:2001; it was approved by CENELEC
on 2005-03-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations
which stipulate the conditions for giving this amendment 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 Central Secretariat or to any CENELEC member.
This amendment exists in three official versions (English, French, German). A version in any other language
made by translation under the responsibility of a CENELEC member into its own language and notified to the
Central Secretariat has the same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Cyprus, Czech
Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden,
Switzerland and United Kingdom.
CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
Central Secretariat: rue de Stassart 35, B - 1050 Brussels
© 2005 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 50065-4-2:2001/A2:2005 E
EN 50065-4-2:200
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