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

Standard No.

IEC 60947-9-2:2021

Release Date

2021

Published By

International Electrotechnical Commission (IEC)

Latest

IEC 60947-9-2:2021

Replace By

IEC 121A/406/FDIS:2021

IEC 60947-9-2:2021 history

• 2021 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