Photovoltaic power systems - DC arc detection and interruption

IEC 63027:2023 applies to equipment used for the detection and optionally the interruption of electric DC arcs in photovoltaic (PV) system circuits. The document covers test procedures for the detection of series arcs within PV circuits, and the response times of equipment employed to interrupt the arcs. The document defines reference scenarios according to which the testing is conducted. This document covers equipment connected to systems not exceeding a maximum PV source circuit voltage of 1 500 V DC. This document provides requirements and testing procedures for arc-fault protection devices used in PV systems to reduce the risk of igniting an electrical fire.

Gleichstrom-Lichtbogenerkennung und -Unterbrechung in photovoltaischen Energiesystemen

Systèmes photovoltaïques - Détection et interruption d’arc en courant continu

IEC 63027:2023 s’applique aux équipements utilisés pour la détection et éventuellement pour l’interruption des arcs électriques en courant continu des circuits des systèmes photovoltaïques (PV). Il couvre les procédures d’essai de détection des arcs en série dans les circuits PV, et les temps de réponse de l'équipement utilisé pour interrompre les arcs. Le document définit les scénarios de référence selon lesquels les essais sont réalisés. Le présent document couvre les équipements reliés à des systèmes qui ne dépassent pas une tension maximale de circuit de source PV de 1 500 V en courant continu. Le présent document fournit des exigences et des procédures d’essai pour les dispositifs de protection contre les défauts d’arc utilisés dans les systèmes PV afin de réduire le risque d’incendie d’origine électrique.

Fotonapetostni sistemi - Zaznavanje enosmernega loka in prekinitve (IEC 63027:2023)

Standard IEC 63027:2023 se uporablja za opremo, ki se uporablja za zaznavanje in po izbiri prekinitev električnega enosmernega loka v tokokrogih fotonapetostnih sistemov (PV). Dokument obravnava preskusne postopke za zaznavanje niza lokov v tokokrogih fotonapetostnih sistemov in odzivne čase opreme, ki se uporablja za prekinitev lokov.
Dokument opredeljuje referenčne scenarije, po katerih se izvaja preskušanje. Ta dokument zajema opremo, priključeno na sisteme, ki ne presegajo največje napetosti izvornega tokokroga fotonapetostnih sistemov 1500 V enosmernega toka. Ta dokument podaja zahteve in preskusne postopke za zaščitne naprave za okvarni oblok, ki se uporabljajo v fotonapetostnih sistemih za zmanjšanje nevarnosti vžiga in električnega požara.

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Standards Content (Sample)

SIST EN IEC 63027:2023
Fotonapetostni sistemi - Zaznavanje enosmernega loka in prekinitve (IEC
Photovoltaic power systems - DC arc detection and interruption (IEC 63027:2023)
Gleichstrom-Lichtbogenerfassung und -Unterbrechung in photovoltaischen
Energiesystemen (IEC 63027:2023)
Systèmes photovoltaïques - Détection et interruption d’arc en courant continu (IEC
Ta slovenski standard je istoveten z: EN IEC 63027:2023
27.160 Sončna energija Solar energy engineering
SIST EN IEC 63027:2023 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN IEC 63027:2023

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SIST EN IEC 63027:2023



ICS 27.160

English Version
Photovoltaic power systems - DC arc detection and interruption
(IEC 63027:2023)
Systèmes photovoltaïques - Détection et interruption d'arc Gleichstrom-Lichtbogenerfassung und -Unterbrechung in
en courant continu photovoltaischen Energiesystemen
(IEC 63027:2023) (IEC 63027:2023)
This European Standard was approved by CENELEC on 2023-06-07. 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
© 2023 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
 Ref. No. EN IEC 63027:2023 E

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SIST EN IEC 63027:2023
EN IEC 63027:2023 (E)
European foreword
The text of document 82/2112/FDIS, future edition 1 of IEC 63027, prepared by IEC/TC 82 "Solar
photovoltaic energy systems" was submitted to the IEC-CENELEC parallel vote and approved by
CENELEC as EN IEC 63027:2023.
The following dates are fixed:
• latest date by which the document has to be implemented at national (dop) 2024-03-07
level by publication of an identical national standard or by endorsement
• latest date by which the national standards conflicting with the (dow) 2026-06-07
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 shall not be held responsible for identifying any or all such patent rights.
Any feedback and questions on this document should be directed to the users’ national committee. A
complete listing of these bodies can be found on the CENELEC website.
Endorsement notice
The text of the International Standard IEC 63027:2023 was approved by CENELEC as a European
Standard without any modification.
In the official version, for Bibliography, the following notes have to be added for the standard indicated:
IEC 62606:2013 NOTE Approved as EN 62606:2013 (not modified)
IEC 62606:2013/AMD1:2017 NOTE Approved as EN 62606:2013/A1:2017 (not modified)
IEC 62606:2013/AMD2:2022 NOTE Approved as EN 62606:2013/A2:2022 (not modified)

Under preparation. Stage at the time of publication: EN 62606:2023/FprA2:2022.

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SIST EN IEC 63027:2023
EN IEC 63027:2023 (E)
Annex A

Normative references to international publications
with their corresponding European publications
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)
NOTE 1 Where an Inte

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