Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. Equipment for testing, measuring ormonitoring of protective measures. Insulation monitoring devices for IT systems.
NORMA vydaná dňa 15.6.1997
Designation standards: BS EN 61557-8:1997
Note: NEPLATNÁ
Publication date standards: 15.6.1997
The number of pages: 18
Approximate weight : 54 g (0.12 lbs)
Country: British technical standard
Kategória: Technické normy BS