IEC 60947-9-2 Ed. 1.0 b:2021

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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.

Product Details

Edition:

1.0

Published:

04/26/2021

Number of Pages:

175

File Size:

1 file , 6.4 MB