FprEN 50065-4-2

SLOVENSKI STANDARD
01-julij-2021
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
Signalübertragung auf elektrischen Niederspannungsnetzen im Frequenzbereich 3 kHz
bis 148,5 kHzTeil 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 - Partie 4-2: Filtres de découplage basse tension -
Exigences de sécurité
Ta slovenski standard je istoveten z: prEN 50065-4-2
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 DRAFT
prEN 50065-4-2
NORME EUROPÉENNE
EUROPÄISCHE NORM
April 2021
ICS  Will supersede EN 50065-4-2:2001 and all of its
amendments and corrigenda (if any)
English Version
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
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 kHzTeil 4-2:
- Partie 4-2: Filtres de découplage basse tension - Niederspannungs-Entkopplungsfilter -
Exigences de sécurité Sicherheitsanforderungen
This draft European Standard is submitted to CENELEC members for enquiry.
Deadline for CENELEC: 2021-07-16.

It has been drawn up by CLC/TC 219.

If this draft becomes a European Standard, 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.

This draft European Standard was established by CENELEC 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,
Turkey and the United Kingdom.

Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are aware and to
provide supporting documentation.

Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without notice and
shall not be referred to as a European Standard.

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
© 2021 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Project: 69658 Ref. No. prEN 50065-4-2 E

prEN 50065-4-2:2021 (E)
Contents
European foreword . 3
1 Scope . 4
2 Normative references . 4
3 Terms and definitions . 5
4 General requirements . 6
5 General notes on tests . 6
6 Rating . 6
7 Classification . 7
8 Marking . 8
9 Dimensions. 9
10 Protection against electric shock .10
11 Provision for protective earthing .10
12 Terminals .10
13 Construction .11
14 Resistance to ageing, to harmful ingress of water and to humidity .13
15 Insulation resistance and dielectric strength .13
16 Temperature rise .15
17 Mechanical strength .15
18 Resistance to heat .16
19 Screws, current-carrying parts and connections .16
20 Creepage distances, clearances and distances through sealing compound .18
21 Resistance to abnormal heat, to fire and to tracking .21
22 Resistance to rusting .22
23 Components .22
24 Abnormal conditions .23
25 Protection against short-circuit .25
26 Resistance to transients .25
Annex ZZ (informative) Relationship between this European standard and the safety objectives of
Directive 2014/35/EU [2014 OJ L96] aimed to be covered .26
Bibliography .27

prEN 50065-4-2:2021 (E)
European foreword
This document (prEN 50065-4-2:2021) has been prepared by WG 12 “Filters” of CLC/TC 205A “Mains
communicating systems”.
This document is currently submitted to the Enquiry.
The following dates are proposed:
• latest date by which the existence of this (doa) dor + 6 months
document has to be announced at national
level
• latest date by which this document has to be (dop) dor + 12 months
implemented at national level by publication of
an identical national standard or by
endorsement
• latest date by which the national standards (dow) dor + 36 months
conflicting with this document have to be (to be confirmed or
withdrawn modified when voting)
This document will supersede EN 50065-4-2:2001 and all of its amendments and corrigenda (if any).
This document has been prepared under a mandate given to CENELEC by the European Commission
and the European Free Trade Association, and supports essential requirements of EU Directive(s).
For the relationship with EU Directive(s) see informative Annex ZZ, which is an integral part of this
document.
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 and distributors
Part 4-1: Low voltage decoupling filters – Generic specification
Part 4-2: Low voltage decoupling filters – Safety requirements
Part 4-3: Low voltage decoupling filters – Incoming filter
Part 4-4: Low voltage decoupling filters – Impedance filter
Part 4-5: Low voltage decoupling filters – Segmentation filter
Part 4-6: Low voltage decoupling filters – Phase coupler
Part 4-7: Portable low voltage decoupling filters – Safety requirements
Part 7: Equipment impedance
prEN 50065-4-2:2021 (E)
1 Scope
This document applies to decoupling filters in a low voltage mains communication system intended for
utility networks or household and similar fixed-electrical installations including residential, commercial and
light industrial buildings.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments) applies.
HD 214 S2, Method for determining the comparative and the proof tracking indices of solid insulating
materials under moist conditions (IEC 60112)
HD 625.1, Insulation coordination for equipment within low-voltage systems - Part 1: Principles,
requirements and tests (IEC 60664-1)
EN 50065-4-1, 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
EN 60065, Audio, video and similar electronic apparatus - Safety requirements (IEC 60065)
EN 60068-2-30, Environmental testing - Part 2-30: Tests - Test Db: Damp heat, cyclic (12 h + 12 h cycle)
(IEC 60068-2-30)
EN 60068-2-75, Environmental testing - Part 2-75: Tests - Test Eh: Hammer tests (IEC 60068-2-75)
EN 60068-2-78, Environmental testing - Part 2-78: Tests - Test Cab: Damp heat, steady state
(IEC 60068-2-78)
EN 60127 (series), Miniature fuses (IEC 60127 series)
EN 60529, Degrees of protection provided by enclosures (IP Code) (IEC 60529)
EN 60695-2-1/X:1996, Fire hazard testing - Part 2: Test methods (IEC 60695-2-1/X:1994)
EN 60695-10-2, Fire hazard testing - Part 10-2: Abnormal heat - Ball pressure test method
(IEC 60695-10-2)
EN 60721-3-3, Classification of environmental conditions - Part 3: Classification of groups of
environmental parameters and their severities - Section 3: Stationary use at weatherprotected locations
(IEC 60721-3-3)
EN 60947-1:2007, Low-voltage switchgear and controlgear - Part 1: General rules (IEC 60947-1:2007)
EN 60999-1:2000, Connecting devices - Electrical copper conductors - Safety requirements for screw-
type and screwless-type clamping units - Part 1: General requirements and particular requirements for
2 2
clamping units for conductors from 0,2 mm up to 35 mm (included) (IEC 60999-1:1999)
EN 61000-4-4, Electromagnetic compatibility (EMC) - Part 4-4: Testing and measurement techniques -
Electrical fast transient/burst immunity test (IEC 61000-4-4)
EN 132400, Sectional Specification: Fixed capacitors for electromagnetic interference suppression and
connection to the supply mains (Assessment level D)
prEN 50065-4-2:2021 (E)
IEC 60999-2, Connecting devices - Electrical copper conductors - Safety requirements for screw-type and
screwless-type clamping units - Part 2: Particular requirements for clamping units for conductors above
35 mm2 up to 300 mm2 (included)
ISO 1456, Metallic and other inorganic coatings — Electrodeposited coatings of nickel, nickel plus
chromium, copper plus nickel and of copper plus nickel plus chromium
ISO 2081, Metallic and other inorganic coatings — Electroplated coatings of zinc with supplementary
treatments on iron or steel
ISO 2093, Electroplated coatings of tin — Specification and test methods
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
— ISO Online browsing platform: available at https://www.iso.org/obp
— IEC Electropedia: available at http://www.electropedia.org/
NOTE Where the term’s voltage and current are used, they imply r.m.s. values, unless otherwise specified.
3.1
decoupling filter
device installed in an electrical network or installation in order to make possible reliable data transmission
over the low voltage mains network
3.2
phase coupler
type of decoupling filter which transmits a signal within a specified frequency range from one phase to
another in a multi-phase instal
...