Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz Part 4-6: Low voltage decoupling filters - Phase coupler

This document applies to phase couplers in a mains communication system intended for utility networks or household and similar fixed installation including residential, commercial and light industrial buildings. Phase couplers are used to control the coupling of communication signals between phases or sections of a mains communication system. This document defines - the requirements to ensure a minimum coupling between the phases or sections of a mains communication system, and - the requirements to ensure no change on the safety of the electrical installation.

Signalübertragung auf elektrischen Niederspannungsnetzen im Frequenzbereich 3 kHz bis 148,5 kHz - Teil 4-6: Niederspannungs-Entkopplungsfilter - Phasenkoppler

Transmission de signaux sur les réseaux électriques basse tension dans la bande de fréquences de 3 kHz à 148,5 kHz - Partie 4-6: Filtres de découplage basse tension - Coupleur de phase

Le présent document s'applique aux coupleurs de phase utilisés dans un système de communication sur le réseau électrique destiné aux réseaux des distributeurs d'énergie ou aux installations fixes domestiques et analogues, y compris les bâtiments résidentiels, commerciaux et de l'industrie légère. Les coupleurs de phase sont utilisés pour contrôler le couplage des signaux de communication entre les phases ou sections d'un système de communication sur le réseau électrique. Le présent document définit - les exigences pour assurer un couplage minimal entre les phases ou sections d'un système de communication sur le réseau électrique, et - les exigences pour s'assurer que la sécurité de l'installation électrique n'est pas compromise.

Signalizacija po nizkonapetostnih električnih napeljavah v frekvenčnem območju od 3 kHz do 148,5 kHz - 4-6. del: Nizkonapetostni ločilni filtri - Fazni spojnik

Standard se uporablja za fazne konektorje v omrežnem komunikacijskem sistemu, ki so namenjeni gospodinjstvom in stanovanjskim, poslovnim in lahkim industrijskim objektom s podobno fiksno inštalacijo. Fazni konektorji se uporabljajo za krmiljenje povezovanja signalov med fazami ali deli omrežnega komunikacijskega sistema. Standard določa zahteve za zagotavljanje minimalne povezave med fazami ali deli in tudi zahteve za preprečevanje spreminjanja varnosti električne inštalacije.

General Information

Status
Published
Publication Date
23-Mar-2023
ICS
31.160 - Electric filters
 
33.040.30 - Switching and signalling systems
 
97.120 - Automatic controls for household use
Technical Committee
CLC/TC 205A - Mains communicating systems
Drafting Committee
CLC/TC 205A/WG 12 - Filters
Current Stage
6060 - Document made available - Publishing
Start Date
24-Mar-2023
Due Date
10-Sep-2022
Completion Date
24-Mar-2023
Directive
Not Harmonized2004/22/EC - Measuring instruments
Mandate
M/441 - Standardisation mandate to CEN, CENELEC and ETSI in the field of measuring instruments for the development of an open architecture for utility meters involving communication protocols enabling interoperability
M/490 - Standardisation mandate to the European Standardisation Organisations (ESOs) to support European Smart Grid deployment
Ref Project
SIST EN 50065-4-6:2023 - Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz Part 4-6: Low voltage decoupling filters - Phase coupler

Relations

Replaces
EN 50065-4-6:2004 - Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz - Part 4-6: Low voltage decoupling filters - Phase coupler
Effective Date
26-Jan-2023
Refers
EN 50065-4-2:2001 - 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
Effective Date
03-Feb-2026
Refers
EN 50065-4-1:2001 - Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz - Part 4-1: Low voltage decoupling filters - Generic specification
Effective Date
03-Feb-2026
Refers
EN 50065-1:2011 - Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz - Part 1: General requirements, frequency bands and electromagnetic disturbances
Effective Date
03-Feb-2026
Refers
EN 50065-2-3:2024 - Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz - Part 2-3: Immunity requirements for mains communicating equipment operating in the range of frequencies 3 kHz to 95 kHz and intended for use by electricity suppliers and distributors
Effective Date
03-Feb-2026
Refers
EN 50065-2-1:2003 - Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz - Part 2-1: Immunity requirements for mains communications equipment and systems operating in the range of frequencies 95 kHz to 148,5 kHz and intended for use in residential, commercial and light industrial environments
Effective Date
03-Feb-2026
Refers
EN 50065-2-2:2003 - Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz - Part 2-2: Immunity requirements for mains communications equipment and systems operating in the range of frequencies 95 kHz to 148,5 kHz and intended for use in industrial environments
Effective Date
03-Feb-2026
Referred By
EN 50065-4-1:2023 - Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz - Part 4-1: Low voltage decoupling filters - Generic specification
Effective Date
03-Feb-2026

Overview

EN 50065-4-6:2023 is a European standard developed by CLC (CENELEC) addressing signalling on low-voltage electrical installations in the frequency range of 3 kHz to 148.5 kHz, focusing on Part 4-6: Low voltage decoupling filters - Phase coupler. The standard applies to phase couplers used in mains communication systems in utility networks as well as household, residential, commercial, and light industrial buildings. Phase couplers are fundamental components that control the coupling of communication signals between different phases or sections of a mains communication network, ensuring efficient and reliable signal transmission without compromising electrical safety.

Key Topics

  • Phase Couplers in Mains Communication Systems
    Phase couplers facilitate the transfer of communication signals across different phases in low-voltage installations. They help maintain seamless data flow even in multi-phase power distribution, vital for smart grid devices, automation, and home networking.

  • Requirements for Minimum Coupling
    The standard specifies the minimum level of signal coupling between phases or network sections, ensuring communication reliability throughout installation.

  • Safety Requirements
    EN 50065-4-6:2023 includes stringent criteria ensuring that the integration of phase couplers does not negatively impact the overall safety of the electrical installation. Compliance ensures safe use in residential and commercial settings.

  • Electrical Characteristics
    Essential aspects such as immunity for electromagnetic compatibility (EMC), mains frequency leakage current, operating frequency range, transfer function, and impedance are covered under the standard’s requirements.

  • Classification of Phase Couplers
    The standard identifies two types:

    • Type 1: Standard type (capacitor-based; may have higher leakage currents)
    • Type 2: Low leakage type (transformer-based; designed for improved safety)

Applications

EN 50065-4-6:2023 finds practical use in diverse settings where reliable mains signalling is essential:

  • Smart Metering and Utility Networks
    Enables communication between smart meters and utility control systems across power phases, supporting demand management, remote reading, and fault detection.

  • Home and Building Automation
    Facilitates integration of automated systems-such as lighting, heating, security, and energy management-in residential and commercial environments.

  • Industrial Automation
    Supports data transmission for machine control, process monitoring, and distributed control systems in light industrial installations.

  • Retrofit Installations
    Useful in upgrade scenarios where installing new communication cabling is impractical, leveraging existing power lines for network signalling.

  • Multi-phase Power Distribution
    Optimizes the performance of powerline communication devices in installations with multiple phases, preventing signal isolation and ensuring robust connectivity.

Related Standards

To ensure compatibility and comprehensive safety, EN 50065-4-6:2023 references several related standards within the EN 50065 series:

  • EN 50065-1: General requirements, frequency bands, and electromagnetic disturbances for signalling on low-voltage installations.
  • EN 50065-2-1: Immunity requirements for residential, commercial, and light industrial environments.
  • EN 50065-2-2: Immunity requirements for industrial environments.
  • EN 50065-2-3: Immunity requirements for equipment operated by electricity suppliers and distributors.
  • EN 50065-4-1: Generic specification for low voltage decoupling filters.
  • EN 50065-4-2: Safety requirements for low voltage decoupling filters.
  • EN 50065-4-3 to 4-5: Specifications for other filter types such as incoming, impedance, and segmentation filters.

By adhering to EN 50065-4-6:2023, installers and system designers achieve compliance with European standards, ensuring effective signal coupling, operational reliability, and the highest safety standards for powerline communication applications.

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Frequently Asked Questions

EN 50065-4-6:2023 is a standard published by CLC. Its full title is "Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz Part 4-6: Low voltage decoupling filters - Phase coupler". This standard covers: This document applies to phase couplers in a mains communication system intended for utility networks or household and similar fixed installation including residential, commercial and light industrial buildings. Phase couplers are used to control the coupling of communication signals between phases or sections of a mains communication system. This document defines - the requirements to ensure a minimum coupling between the phases or sections of a mains communication system, and - the requirements to ensure no change on the safety of the electrical installation.

This document applies to phase couplers in a mains communication system intended for utility networks or household and similar fixed installation including residential, commercial and light industrial buildings. Phase couplers are used to control the coupling of communication signals between phases or sections of a mains communication system. This document defines - the requirements to ensure a minimum coupling between the phases or sections of a mains communication system, and - the requirements to ensure no change on the safety of the electrical installation.

EN 50065-4-6:2023 is classified under the following ICS (International Classification for Standards) categories: 31.160 - Electric filters; 33.040.30 - Switching and signalling systems; 97.120 - Automatic controls for household use. The ICS classification helps identify the subject area and facilitates finding related standards.

EN 50065-4-6:2023 has the following relationships with other standards: It is inter standard links to EN 50065-4-6:2004, EN 50065-4-2:2001, EN 50065-4-1:2001, EN 50065-1:2011, EN 50065-2-3:2024, EN 50065-2-1:2003, EN 50065-2-2:2003, EN 50065-4-1:2023. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.

EN 50065-4-6:2023 is associated with the following European legislation: EU Directives/Regulations: 2004/22/EC; Standardization Mandates: M/441, M/490. 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.

EN 50065-4-6:2023 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-maj-2023
Signalizacija po nizkonapetostnih električnih napeljavah v frekvenčnem območju
od 3 kHz do 148,5 kHz - 4-6. del: Nizkonapetostni ločilni filtri - Fazni spojnik
Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5
kHz Part 4-6: Low voltage decoupling filters - Phase coupler
Signalübertragung auf elektrischen Niederspannungsnetzen im Frequenzbereich 3 kHz
bis 148,5 kHz Teil 4-6: Niederspannungs-Entkopplungsfilter - Phasenkoppler
Transmission de signaux sur les réseaux électriques basse tension dans la bande de
fréquences de 3 kHz à 148,5 kHz - Partie 4-6: Filtres de découplage basse tension -
Coupleur de phase
Ta slovenski standard je istoveten z: EN 50065-4-6:2023
ICS:
31.160 Električni filtri Electric filters
33.040.30 Komutacijski in signalizacijski Switching and signalling
sistem systems
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN 50065-4-6

NORME EUROPÉENNE
EUROPÄISCHE NORM March 2023
ICS 31.160; 33.040.30; 97.120 Supersedes EN 50065-4-6:2004
English Version
Signalling on low-voltage electrical installations in the frequency
range 3 kHz to 148,5 kHz Part 4-6: Low voltage decoupling
filters - Phase coupler
Transmission de signaux sur les réseaux électriques basse Signalübertragung auf elektrischen Niederspannungsnetzen
tension dans la bande de fréquences de 3 kHz à 148,5 kHz im Frequenzbereich 3 kHz bis 148,5 kHz Teil 4-6:
- Partie 4-6: Filtres de découplage basse tension - Coupleur Niederspannungs-Entkopplungsfilter - Phasenkoppler
de phase
This European Standard was approved by CENELEC on 2022-10-03. CENELEC 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 CENELEC 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 CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the
same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the
Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Türkiye and the United Kingdom.

European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 20232023 All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
CENELEC
Ref. No. EN 50065-4-6:2023 E
Contents Page
European foreword . 2
1 Scope . 3
2 Normative references . 3
3 Definitions . 3
4 Classification. 4
4.1 General . 4
4.2 Type 1: standard type . 4
4.3 Type 2: low leakage type . 4
5 Phase coupler electrical characteristics . 4
5.1 General . 4
5.2 Immunity for EMC . 4
5.3 Mains frequency leakage current . 4
5.4 Operating frequency range. 5
5.5 Transfer function . 5
5.6 Impedance . 5
6 Safety . 5
Annex A (normative) Special national conditions . 6

European foreword
This document (EN 50065-4-6:2023) has been prepared by WG 12 “Filters” of CLC/TC 219 “Mains
communicating systems”.
The following dates are fixed:
• latest date by which this document has to be (dop) 2023-09-24
implemented at national level by publication of
an identical national standard or by
endorsement
• latest date by which the national standards (dow) 2026-03-24
conflicting with this document have to be
withdrawn
This document supersedes EN 50065-4-6:2004 and all of its amendments and corrigenda (if any).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights.
EN 50065 consists of the following parts, under the general title: Signalling on low-voltage electrical
installations in the frequency range 3 kHz to 148,5 kHz:
Part 1: General requirements, frequency bands and electromagnetic disturbances
Part 2-1: Immunity requirements for mains communications equipment and systems operating in the
range of frequencies 95 kHz to 148,5 kHz and intended for use in residential, commercial and light
industrial environments
Part 2-2: Immunity requirements for mains communications equipment and systems operating in the
range of frequencies 95 kHz to 148,5 kHz and intended for use in industrial environments
Part 2-3: Immunity requirements for mains communications equipment and systems operating in the
range of frequencies 3 kHz to 95 kHz and intended for use by electricity suppliers
...

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