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 (IEC 61557-7:2007).
NORMA vydána dne 19.12.2007
Designation standards: UNE-EN 61557-7:2007
Note: NEPLATNÁ
Publication date standards: 19.12.2007
The number of pages: 25
Approximate weight : 75 g (0.17 lbs)
Country: Spanish technical standard
Kategorie: Technické normy UNE