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

Product Details

Edition:
1.0
Published:
04/26/2021
Number of Pages:
175
File Size:
1 file , 6.4 MB