
Low-voltage switchgear and controlgear. Part 9-2. Active arc-fault mitigation systems. Optical-based internal arc-detection and mitigation devices
STANDARD published on 1.8.2026
Designation standards: GOST IEC 60947-9-2-2026
Publication date standards: 1.8.2026
The number of pages: 78
Approximate weight : 234 g (0.52 lbs)
Country: Russian technical standard
Category: Technical standards GOST