EN 61643-21:2001/A2:2013

Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods

DOP = DAV + 6 months  (D139/C142)

Überspannungsschutzgeräte für Niederspannung - Teil 21: Überspannungsschutzgeräte für den Einsatz in Telekommunikations- und signalverarbeitenden Netzwerken - Leistungsanforderungen und Prüfverfahren

Parafoudres basse-tension - Partie 21: Parafoudres connectés aux réseaux de signaux et de télécommunications - Prescriptions de fonctionnement et méthodes d'essais

Nizkonapetostne naprave za zaščito pred prenapetostnimi udari - 21. del: Naprave, priključene na telekomunikacijska in signalna omrežja - Zahtevane lastnosti in preskusne metode - Dopolnilo A2

Uporablja se za naprave za zaščito telekomunikacijskih in signalnih omrežij pred prenapetostnimi udari v primeru posrednih in neposrednih učinkov strele ali drugih prehodnih prenapetosti.

General Information

• Status: Published
• Publication Date: 24-Jan-2013
• Withdrawal Date: 30-Aug-2015
• ICS: 29.240 - Power transmission and distribution networks
• ICS: 29.240.10 - Substations. Surge arresters
• Technical Committee: CLC/TC 37A - Low voltage surge protective devices
• Drafting Committee: IEC/SC 37A - IEC_SC_37A
• Current Stage: 6060 - Document made available - Publishing
• Start Date: 25-Jan-2013
• Completion Date: 25-Jan-2013
• Directive: 2006/95/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)
• Directive: 2014/35/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 limits
• Directive: 2014/53/EU - Directive 2014/53/EU of The European Parliament and of the Council of 16 April 2014 on the harmonisation of the laws of the Member States relating to the making available on the market of radio equipment and repealing Directive 1999/5/EC
• Ref Project: SIST EN 61643-21:2002/A2:2014 - Low voltage surge protective devices – Part 21: Surge protective devices connected to telecommunications and signalling networks – Performance requirements and testing methods

Relations

• Amends: EN 61643-21:2001 - Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods
• Effective Date: 29-Jan-2023
• Revised: prEN IEC 61643-21:2024 - Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Requirements and testing methods
• Effective Date: 21-Sep-2021

Standards Content (Sample)

SLOVENSKI STANDARD
01-januar-2014
1L]NRQDSHWRVWQHQDSUDYH]D]DãþLWRSUHGSUHQDSHWRVWQLPLXGDULGHO1DSUDYH
SULNOMXþHQHQDWHOHNRPXQLNDFLMVNDLQVLJQDOQDRPUHåMD=DKWHYDQHODVWQRVWLLQ
SUHVNXVQHPHWRGH'RSROQLOR$
Low voltage surge protective devices – Part 21: Surge protective devices connected to
telecommunications and signalling networks – Performance requirements and testing
methods
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IUGHQ(LQVDW]LQ7HOHNRPPXQLNDWLRQVXQGVLJQDOYHUDUEHLWHQGHQ1HW]ZHUNHQ
/HLVWXQJVDQIRUGHUXQJHQXQG3UIYHUIDKUHQ
Parafoudres basse-tension - Partie 21: Parafoudres connectés aux réseaux de signaux
et de télécommunications - Prescriptions de fonctionnement et méthodes d'essais
Ta slovenski standard je istoveten z: EN 61643-21:2001/A2:2013
ICS:
29.120.50 9DURYDONHLQGUXJD Fuses and other overcurrent
PHGWRNRYQD]DãþLWD protection devices
29.240.10 Transformatorske postaje. Substations. Surge arresters
Prenapetostni odvodniki
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD
EN 61643-21/A2
NORME EUROPÉENNE
January 2013
EUROPÄISCHE NORM
ICS 29.240; 29.240.10
English version
Low voltage surge protective devices -
Part 21: Surge protective devices connected to telecommunications
and signalling networks -
Performance requirements and testing methods
(IEC 61643-21:2000/A2:2012)
Parafoudres basse-tension -  Überspannungsschutzgeräte
Partie 21: Parafoudres connectés für Niederspannung -
aux réseaux de signaux Teil 21: Überspannungsschutzgeräte für
et de télécommunications - den Einsatz in Telekommunikations- und
Prescriptions de fonctionnement signalverarbeitenden Netzwerken -
et méthodes d'essais Leistungsanforderungen
(CEI 61643-21:2000/A2:2012) und Prüfverfahren
(IEC 61643-21:2000/A2:2012)
This amendment A2 modifies the European Standard EN 61643-21:2001; it was approved by CENELEC on
2012-08-31. 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 CEN-CENELEC Management Centre 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
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, Former Yugoslav Republic of Macedonia, France, Germany,
Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland,
Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom.

CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung

Management Centre: Avenue Marnix 17, B - 1000 Brussels

© 2013 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 61643-21:2001/A2:2013 E

Foreword
The text of document 37A/236/FDIS, future amendment 2 to edition 1 of IEC 61643-21, prepared by
IEC/SC 37A "Low-voltage surge protective devices" of IEC/TC 37 "Surge arresters" was submitted to
the IEC-CENELEC parallel vote and approved by CENELEC as EN 61643-21:2001/A2:2013.

The following dates are fixed:
(dop) 2013-07-25
• latest date by which the document has
to be implemented at national level by
publication of an identical national
standard or by endorsement
• latest date by which the national (dow) 2015-08-31
standards conflicting with the
document have to be withdrawn
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC [and/or CEN] shall not be held responsible for identifying any or all such
patent rights.
This standard covers the Principle Elements of the Safety Objectives for Electrical Equipment
Designed for Use within Certain Voltage Limits (LVD - 2006/95/EC).
Endorsement notice
The text of the International Standard IEC 61643-21:2000/A2:2012 was approved by CENELEC as a
European Standard without any modification.
In the Bibliography of EN 61643-21:2001, the following note has to be added for the standard
indicated:
IEC 60664-1 NOTE Harmonised as EN 60664-1.

- 3 - EN 61643-21:2001/A2:2013
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications

The following documents, in whole or in part, are normatively referenced in this document and are
indispensable for its application. For dated references, only the edition cited applies. For undated
references, the latest edition of the referenced document (including any amendments) applies.

NOTE  When an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HD
applies.
Publication Year Title EN/HD Year
In Annex ZA of EN 61643-21:2001, replace IEC 60999-1:1999 by IEC 60999-1:
IEC 60999-1 - Connecting devices - Electrical copper EN 60999-1 -
conductors - Safety requirements for screw-
type and screwless-type clamping units -
Part 1: General requirements and particular
requirements for clamping units for
conductors from 0,2 mm² up to 35 mm²
(included)
In Annex ZA of EN 61643-21:2001, replace ITU-T Recommendation K.30:1993 by
ITU-T Recommendation K.82:
ITU-T - Characteristics and ratings of solid-state, - -
Recommendation self-restoring overcurrent protectors for the
K.82 protection of telecommunications
installations
Add to Annex ZA of EN 61643-21:2001 the following new references:
IEC 61643-11 2011 Low-voltage surge protective devices - EN 61643-11 2012
(mod) Part 11: Surge protective devices connected
to low-voltage power systems -
Requirements and test methods
ITU-T 2011 Resistibility tests for telecommunication - -
Recommendation equipment exposed to overvoltages and
K.44 overcurrents - Basic Recommendation

In Annex ZA of EN 61643-21:2001/A1:2009, delete ITU-T Recommendation K.65

IEC 61643-21 ®
Edition 1.0 2012-07
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
AMENDMENT 2
AMENDEMENT 2
Low voltage surge protective devices –

Part 21: Surge protective devices connected to telecommunications and

signalling networks – Performance requirements and testing methods

Parafoudres basse tension –
Partie 21: Parafoudres connectés aux réseaux de signaux et de

télécommunications – Prescriptions de fonctionnement et méthodes d’essais

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
CODE PRIX R
ICS 29.240; 29.240.10 ISBN 978-2-83220-198-5

– 2 – 61643-21 Amend.2 © IEC:2012
FOREWORD
This amendment has been prepared by subcommittee 37A: Low-voltage surge protective
devices, of IEC technical committee 37: Surge arresters.
The text of this amendment is based on the following documents:
FDIS Report on voting
37A/236/FDIS 37A/237/RVD
Full information on the voting for the approval of this amendment can be found in the report
on voting indicated in the above table.
The committee has decided that the contents of this amendment and the base publication will
remain unchanged until the stability date indicated on the IEC web site under
"http://webstore.iec.ch" in the data related to the specific publication. At this date, the
publication will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
_____________
61643-21 Amend.2 © IEC:2012 – 3 –
Table 1 – General SPD requirements
Replace existing Table 1 with the following new table:
Test Requirement – Test Sub- Type of SPD
d
series clause
General test
6.1
Identification and
documentation 6.1.1 A A A A A A

Marking 6.1.2 A A A A A A
Transmission tests 6.2.3
Capacitance 6.2.3.1 A O O O A O

Insertion loss 6.2.3.2 O A A A O A

Return loss 6.2.3.3 O O O A O O

Longitudinal balance 6.2.3.4 O O O A O O

Bit Error Ratio (BER) 6.2.3.5 O O O O O O

Near-end crosstalk
(NEXT) 6.2.3.6 O O O A O O
Mechanical tests 6.3
Terminals and connectors 6.3.1 A A A A A A

General testing procedure 6.3.1.1 A A A A A A

Terminals with screws 6.3.1.2 A A A A A A

Screwless terminals 6.3.1.3 A A A A A A

Insulating pierced
connections 6.3.1.4 A A A A A A

Pull-out-test on SPD
terminals designed for
single-core conductors 6.3.1.4.1 A A A A A A

Pull-out-test on SPD
terminals designed for
multi-core cables and
cords 6.3.1.4.2 A A A A A A
Mechanical strength
(mounting) 6.3.2 A A A A A A
SPD with only voltage-
limiting function
SPD with both voltage-
limiting and current-
limiting functions
SPD with voltage-limiting
function and linear
component between its
terminals
SPD having both voltage-
limiting and current-
limiting functions with
enhanced transmission
capabilities
SPD having only voltage-
limiting function but
intended for use in
extended range
environment
SPD having both voltage-
limiting and current-
limiting functions but
intends for use in
extended range
environment
– 4 – 61643-21 Amend.2 © IEC:2012
Table 1 (continued)
Test Requirement – Test Sub- Type of SPD
d
series clause
Resistance to ingress of
solid objects and to
harmful ingress of water 6.3.3 A A A A A A
Protection against direct
contact 6.3.4 A A A A A A
Fire resistance 6.3.5 A A A A A A
Environmental tests 6.4
High temperature and
humidity endurance 6.4.1 O O O O A A
Environmental cycling
with impulse surges 6.4.2 O O O O A A
Environmental cycling
with AC surges 6.4.3 O O O O A A
2 Voltage limiting tests 6.2.1
Maximum continuous
operating voltage (Uc) 6.2.1.1 A A A A A A
Insulation resistance 6.2.1.2 A A A A A A
Impulse durability for
a
voltage limiting function 6.2.1.6 A A A A A A
b
Impulse-limiting voltage 6.2.1.3 A A A A A A
Impulse reset switching
types 6.2.1.4 A A A A A A
AC durability for voltage
a
limiting function 6.2.1.5 O O O O O O
Blind spot test multi stage
SPD 6.2.1.8 A A A A A A
Overstressed fault mode 6.2.1.7 O O O O O O
3 Current limiting tests 6.2.2
.e e
Rated current 6.2.2.1 A A A A A A
Series resistance 6.2.2.2 N.A. A A A N.A. A
c c
Current response time 6.2.2.3 N.A. A N.A. A N.A. A
c c
Current reset time 6.2.2.4 N.A. A N.A. A N.A. A
Maximum interrupting
c c
voltage 6.2.2.5 N.A. A N.A. A N.A. A
c c
Operating duty test 6.2.2.6 N.A. A N.A. A N.A. A
AC durability for current
a c c
limiting function 6.2.2.7 N.A. A N.A. A N.A. A
Impulse durability for
a c c
current limiting function 6.2.2.8 N.A. A N.A. A N.A. A
Acceptance tests
4 6.5 O O O O O O
SPD with only voltage-
limiting function
SPD with both voltage-
limiting and current-
limiting functions
SPD with voltage-limiting
function and linear
component between its
terminals
SPD having both voltage-
limiting and current-
limiting functions with
enhanced transmission
capabilities
SPD having only voltage-
limiting function but
intended for use in
extended range
environment
SPD having both voltage-
limiting and current-
limiting functions but
intends for use in
extended range
environment
61643-21 Amend.2 © IEC:2012 – 5 –
Table 1 (continued)
A Applicable.
N.A. Not applicable.
O Optional.
a
For each category of test impulse a new set of samples can be used.
b
It is admissible to measure the impulse-limiting voltage 6.2.1.3 while testing impulse durability 6.2.1.6.
c
Test not applicable if there is a linear component between its terminals.
d
Each test series is carried out on three samples.
e
Applicable only for 4/5 terminal SPD (see fig. 1d and 1e)

2 Normative references
Replace the existing reference to IEC 60999-1:1999 with the following:
IEC 60999-1, Connecting devices – Electrical copper conductors – Safety requirements for
screw-type and screwless-type clamping units – Part 1: General requirements and particular

2 2
requirements for clamping units for conductors from 0,2 mm up to 35 mm (included)
Replace the existing reference to ITU-T Recommendation K.30:1993 with the following:
ITU-T Recommendation K.82, Characteristics and ratings of solid-state, self-restoring
overcurrent protectors for the protection of telecommunications installations
Add the following new references:
IEC 61643-11:2011, Surge protective devices connected to low-voltage power distribution
systems – Part 1: Performance requirements and testing methods
ITU-T Recommendation K.44: 2011, Resistibility tests for telecommunication equipment
exposed to overvoltages and overcurrents – Basic Recommendation
Delete the reference to ITU-T Recommendation K.65

3 Definitions
Replace the existing definition 3.11 with the following:
3.11
total discharge current I
Total
current which flows through the earthing terminal (common terminal C) of a multi-terminal
SPD during the total discharg
...