Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. Equipment for testing, measuring or monitoring of protective measures. Loop impedance.
NORMA vydána dne 29.6.2007
Designation standards: BS EN 61557-3:2007
Note: NEPLATNÁ
Publication date standards: 29.6.2007
The number of pages: 14
Approximate weight : 42 g (0.09 lbs)
Country: British technical standard
Kategorie: Technické normy BS