SIST EN IEC 61643-11:2026/A11:2026
(Amendment)Low-voltage surge protective devices - Part 11: Surge protective devices connected to AC low-voltage power systems - Requirements and test methods
Low-voltage surge protective devices - Part 11: Surge protective devices connected to AC low-voltage power systems - Requirements and test methods
Überspannungsschutzgeräte für Niederspannung - Teil 11: Überspannungsschutzgeräte für den Einsatz in Niederspannungs-Wechselstromnetzen - Anforderungen und Prüfverfahren
Parafoudres basse tension - Partie 11: Parafoudres connectés aux systèmes basse tension - Exigences et méthodes d'essai
Nizkonapetostne naprave za zaščito pred prenapetostnimi udari - 11. del: Naprave za zaščito pred prenapetostnimi udari za nizkonapetostne napajalne sisteme AC - Zahteve in preskusne metode - Dopolnilo A11
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
01-januar-2026
Nizkonapetostne naprave za zaščito pred prenapetostnimi udari - 11. del: Naprave
za zaščito pred prenapetostnimi udari za nizkonapetostne napajalne sisteme AC -
Zahteve in preskusne metode - Dopolnilo A11
Low-voltage surge protective devices - Part 11: Surge protective devices connected to
AC low-voltage power systems - Requirements and test methods
Überspannungsschutzgeräte für Niederspannung - Teil 11: Überspannungsschutzgeräte
für den Einsatz in Niederspannungs-Wechselstromnetzen - Anforderungen und
Prüfverfahren
Parafoudres basse tension - Partie 11: Parafoudres connectés aux systèmes basse
tension - Exigences et méthodes d'essai
Ta slovenski standard je istoveten z: EN IEC 61643-11:2025/A11:2025
ICS:
29.120.50 Varovalke in druga Fuses and other overcurrent
nadtokovna zaščita 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 IEC 61643-11:2025/A11
NORME EUROPÉENNE
EUROPÄISCHE NORM October 2025
ICS 29.240.10
English Version
Low-voltage surge protective devices - Part 11: Surge protective
devices connected to AC low-voltage power systems -
Requirements and test methods
Parafoudres basse tension - Partie 11: Parafoudres Überspannungsschutzgeräte für Niederspannung - Teil 11:
connectés aux réseaux basse tension en courant alternatif - Überspannungsschutzgeräte für den Einsatz in
Exigences et méthodes d'essai Niederspannungs-Wechselstromnetzen - Anforderungen
und Prüfverfahren
This amendment A11 modifies the European Standard EN IEC 61643-11:2025; it was approved by CENELEC on 2025-09-08. 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, 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
© 2025 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN IEC 61643-11:2025/A11:2025 E
Contents Page
European foreword . 3
1 Modifications to the Scope . 4
2 Modification to 9.3.9.100.1, “TOVs caused by faults in the low voltage system” . 4
3 Modifications to 9.3.9.101.1, “Test procedure” . 4
4 Modification to Table BB.1, “Test voltage values” . 4
5 Deletion of Table BB.2, “Test voltage values for Japanese systems”. . 4
6 Deletion of Clause CC.3, “Other TOV ratings for specific distribution systems or
countries” . 4
Annex ZA (normative) Normative references to international publications with their
corresponding European publications . 5
Annex ZZ (informative) Relationship between this European standard and the safety objectives
of Directive 2014/35/EU [2014 OJ L96] aimed to be covered . 6
European foreword
This document (EN IEC 61643-11:2025/A11:2025) has been prepared by Technical Committee CLC/TC 37A
“Low voltage surge protective devices”.
The following dates are fixed:
• latest date by which this document has to be (dop) 2026-10-31
implemented at national level by publication of
an identical national standard or by
endorsement
• latest date by which the national standards (dow) 2028-10-31
conflicting with this document have to be
withdrawn
Clauses, subclauses, notes, tables, figures and annexes which are additional to those in
CDV IEC 61643-11 ED2 are prefixed “Z”.
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.
This document has been prepared under a standardization request addressed to CENELEC by the European
Commission. The Standing Committee of the EFTA States subsequently approves these requests for its
Member States.
For the relationship with EU Legislation, see informative Annex ZZ, which is an integral part of this document.
...
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