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Homepage>IEC Standards>IEC 60947-9-2:2021 - Low-voltage switchgear and controlgear - Part 9-2: Active arc-fault mitigation systems - Optical-based internal arc-detection and mitigation devices
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download between 0-24 hoursReleased: 2021-04-26
IEC 60947-9-2:2021 - Low-voltage switchgear and controlgear - Part 9-2: Active arc-fault mitigation systems - Optical-based internal arc-detection and mitigation devices

IEC 60947-9-2:2021

Low-voltage switchgear and controlgear - Part 9-2: Active arc-fault mitigation systems - Optical-based internal arc-detection and mitigation devices

Appareillage à basse tension - Partie 9-2: Systèmes actifs de limitation des défauts d'arc - Dispositifs optiques de détection et de limitation d'arcs internes

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Standard number:IEC 60947-9-2:2021
Released:2021-04-26
Language:English/French - Bilingual
DESCRIPTION

IEC 60947-9-2:2021

IEC 60947-9-2:2021 covers internal arc-fault control devices, hereinafter referred to as IACD, which are intended to: – detect internal arc-faults in low-voltage switchgear and controlgear assemblies, by processing (at a minimum) the optical effect of an internal arc-fault, and – operate mitigation device (either external or combined) in order to minimize the effects of the internal arc-fault.

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