Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. Equipment for testing, measuring or monitoring of protective measures. Part 7: Phase sequence
NORM herausgegeben am 1.5.2023
Designation standards: STN EN IEC 61557-7
Classification mark: 356230
Catalog number: 136644
Publication date standards: 1.5.2023
Approximate weight : 30 g (0.07 lbs)
Country: Slovak technical standard
Kategorie: Technische Normen STN