DIN EN 50171 (2001-11)现行
Central Power Supply Systems
出版：Verband Deutscher Elektrotechniker
专家解读视频
Defines the general requirements for central power supply systems for an independent energy supply to essential safety equipment.
DRAFT 2013 issued in July 2013. (08/2013)
NEN EN 50171:2001 - Identical
SS EN 50171 Ed. 1 (2001) - Identical
UNE EN 50171:2002 - Identical
I.S. EN 50171:2001 - Identical
NF EN 50171:2001 - Identical
NBN EN 50171:2002 - Identical
BS EN 50171:2001 - Identical
SN EN 50171:2001 - Identical
VDE 0558-508:2001 - Identical
