SN EN 50091-1-1:1996现行
Uninterruptible Power Systems (ups) - Part 1-1: General And Safety Requirements For Ups Used In Operator Access Areas
出版：Swiss Standards
专家解读视频
Applicable to electronic indirect a.c. convertor systems having an electrical energy storage device in the d.c. link.
I.S. EN 50091-1-1:2004 - Identical
UNE EN 50091-1-1:2000 - Identical
SS EN 50091-1-1:1997 - Identical
NEN EN 50091-1-1:1997 - Identical
BS EN 50091-1-1:1997 - Identical
DIN EN 50091-1-1 (1997-07) - Identical
