Summary
EU harmonised standard under 2014/35/EU: EN IEC 60947-9-1:2019 — Low-voltage switchgear and controlgear - Part 9-1: Active arc-fault mitigation systems - Arc quenching devices.
Scope
EU harmonised standard (2014/35/EU) — Low-voltage switchgear and controlgear - Part 9-1: Active arc-fault mitigation systems - Arc quenching devices.
Expert analysis
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