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

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IEC 60947-9-2 Ed. 1.0 b:2021 Low-voltage switchgear and controlgear - Part 9-2: Active arc-fault mitigation systems - Optical-based internal arc-detection and mitigation devices

standard by International Electrotechnical Commission, 04/26/2021

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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.

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