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. Effectiveness of residual current monitors (RCMs) type A and type B in TT, TN and IT systems.
NORMA vydaná dňa 30.4.2009
Designation standards: BS EN 61557-11:2009
Note: NEPLATNÁ
Publication date standards: 30.4.2009
The number of pages: 24
Approximate weight : 72 g (0.16 lbs)
Country: British technical standard
Kategória: Technické normy BS