
Earthing of power installations exceeding 1 kV a.c.
STANDARD published on 1.8.2025
Designation standards: STN EN 50522:2023/A1
Classification mark: 333201
Catalog number: 140882
Note: Change
Publication date standards: 1.8.2025
Approximate weight : 21 g (0.05 lbs)
Country: Slovak technical standard
Category: Technical standards STN