EN IEC 60947-9-1:2019

Low-voltage switchgear and controlgear - Part 9-1: Active arc-fault mitigation systems - Arc quenching devices

IEC 60947-9-1:2019 covers low-voltage arc quenching devices, hereinafter referred to as AQDs, which are intended to eliminate arc-faults in low-voltage assemblies (typically low-voltage switchgear and controlgear assemblies in accordance with the IEC 61439 series), by creating a lower impedance current path, to cause the arcing current to transfer to the new current path. This new current path is maintained until a short-circuit protection device (SCPD) interrupts the short-circuit current. AQDs are installed in low-voltage assemblies, connected to the main circuit, preferably as close as possible to all primary power sources. Their rated voltage does not exceed 1 000 V AC or 1 500 V DC.

Niederspannungsschaltgeräte - Aktive Systeme zur Verringerung von Lichtbogenfehlern - Teil 9-1: Lichtbogenlöschgeräte

Appareillage à basse tension - Partie 9-1: Systèmes actifs de limitation des défauts d'arc - Dispositifs d'extinction d'arc

L'IEC 60947-9-1:2019 couvre les dispositifs d’extinction d’arc à basse tension, ci-après appelés «AQD» (arc quenching devices). Ces appareils sont destinés à éliminer les défauts d’arc dans les ensembles à basse tension (en règle générale, des ensembles d'appareillage à basse tension conformes à la série IEC 61439) en créant un chemin de courant à impédance plus faible pour provoquer le transfert du courant d’arc vers ce nouveau chemin de courant. Ce nouveau chemin de courant est maintenu jusqu’à la coupure du courant de court-circuit par le DPCC. Les AQD sont installés dans les ensembles à basse tension, raccordés au circuit principal, de préférence le plus près possible de toutes les sources primaires d’alimentation. Leur tension assignée ne dépasse pas 1 000 V en courant alternatif ou 1 500 V en courant continu.

Nizkonapetostne stikalne in krmilne naprave - 9-1. del: Aktivni sistemi za blažitev učinkov okvarnega obloka - Naprave za gašenje obloka (IEC 60947-9-1:2019)

Ta del standarda IEC 60947 zajema nizkonapetostne naprave za gašenje obloka (AQD), ki so namenjene preprečevanju učinkov okvarnega obloka pri nizkonapetostnih sestavih (običajno pri sestavih nizkonapetostnih stikalnih in krmilnih naprav v skladu s skupino standardov IEC 61439), tako da se tvori zelo majhna impedanca, ki povzroči, da se obločni tok prenese na novo tokovno pot. Ta nova tokovna pot se ohranja, dokler naprava za zaščito pred kratkim stikom (SCPD) ne prekine kratkostičnega toka.
Naprave za gašenje obloka so nameščene v nizkonapetostnih sestavih in povezane na glavni tokokrog, po možnosti čim bližje vsem primarnim virom napajanja.
Njihova nazivna napetost ne presega 1000 V izmenične napetosti ali 1500 V enosmerne napetosti.
Ta dokument ne zajema:
• tipal, namenjenih odkrivanju učinkov okvarnega obloka;
• naprav, namenjenih proženju naprave za gašenje obloka;
• naprav, namenjenih prekinjanju učinkov okvarnega obloka;
• posebnih zahtev za naprave za gašenje obloka glede uporabe v eksplozivnih okoljih (npr. ATEX).

General Information

• Status: Published
• Publication Date: 23-May-2019
• Withdrawal Date: 23-May-2022
• ICS: 29.120.40 - Switches
• ICS: 29.130.20 - Low voltage switchgear and controlgear
• Technical Committee: CLC/TC 121A - Low-voltage switchgear and controlgear
• Drafting Committee: IEC/SC 121A - Low-voltage switchgear and controlgear
• Current Stage: 6060 - Document made available - Publishing
• Start Date: 24-May-2019
• Completion Date: 24-May-2019
• Directive: 2014/30/EU - Directive 2014/30/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 electromagnetic compatibility (recast)
• 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
• Mandate: M/511 - Mandate to CEN, CENELEC and ETSI relating to harmonised standards in the field of the Low Voltage Directive
• Mandate: M/552 - [C(2016) 7641 final] Standardisation request as regards harmonised standards in support of Directive 2014/30/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 electromagnetic compatibility
• Ref Project: SIST EN IEC 60947-9-1:2019 - Low-voltage switchgear and controlgear - Active arc-fault mitigation systems - Part 9-1: Arc quenching devices (IEC 60947-9-1:2019)

Standards Content (Sample)

SLOVENSKI STANDARD
SIST EN IEC 60947-9-1:2019
01-julij-2019
Nizkonapetostne stikalne in krmilne naprave - 9-1. del: Aktivni sistemi za blažitev
učinkov okvarnega obloka - Naprave za gašenje obloka (IEC 60947-9-1:2019)
Low-voltage switchgear and controlgear - Active arc-fault mitigation systems - Part 9-1:
Arc quenching devices (IEC 60947-9-1:2019)
Niederspannungsschaltgeräte - Aktive Systeme zur Verringerung von Lichtbogenfehlern
- Teil 9-1: Lichtbogenlöschgeräte (IEC 60947-9-1:2019)
Appareillage à basse tension - Partie 9-1: Systèmes actifs de limitation des défauts d'arc
- Dispositifs d'extinction d'arc (IEC 60947-9-1:2019)
Ta slovenski standard je istoveten z: EN IEC 60947-9-1:2019
ICS:
29.130.20 Nizkonapetostne stikalne in Low voltage switchgear and
krmilne naprave controlgear
SIST EN IEC 60947-9-1:2019 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------

SIST EN IEC 60947-9-1:2019

---------------------- Page: 2 ----------------------

SIST EN IEC 60947-9-1:2019


EUROPEAN STANDARD EN IEC 60947-9-1

NORME EUROPÉENNE

EUROPÄISCHE NORM
May 2019
ICS 29.120.40; 29.130.20

English Version
Low-voltage switchgear and controlgear - Part 9-1: Active arc-
fault mitigation systems - Arc quenching devices
(IEC 60947-9-1:2019)
Appareillage à basse tension - Partie 9-1: Systèmes actifs Niederspannungsschaltgeräte - Aktive Systeme zur
de limitation des défauts d'arc - Dispositifs d'extinction d'arc Verringerung von Lichtbogenfehlern - Teil 9-1:
(IEC 60947-9-1:2019) Lichtbogenlöschgeräte
(IEC 60947-9-1:2019)
This European Standard was approved by CENELEC on 2019-02-20. 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, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden,
Switzerland, Turkey 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
© 2019 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
 Ref. No. EN IEC 60947-9-1:2019 E

---------------------- Page: 3 ----------------------

SIST EN IEC 60947-9-1:2019
EN IEC 60947-9-1:2019 (E)
European foreword
The text of document 121A/254/FDIS, future edition 1 of IEC 60947-9-1, prepared by SC 121A "Low-
voltage switchgear and controlgear" of IEC/TC 121 "Switchgear and controlgear and their assemblies
for low voltage" was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as
EN IEC 60947-9-1:2019.
The following dates are fixed:
• latest date by which the document has to be implemented at national (dop) 2019-11-24
level by publication of an identical national standard or by endorsement
• latest date by which the national standards conflicting with the (dow) 2022-05-24
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.
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 Directives and the standardization requests see informative Annex ZZA
and Annex ZZB, which are integral parts of this document.
Endorsement notice
The text of the International Standard IEC 60947-9-1:2019 was approved by CENELEC as a
European Standard without any modification.


2

---------------------- Page: 4 ----------------------

SIST EN IEC 60947-9-1:2019
EN IEC 60947-9-1:2019 (E)
Annex ZA
(normative)

Normative references to international publications
with their corresponding European publications
The following documents are referred to in th
...