NEN EN 50122-1 : 2011 AMD 4 2017现行
RAILWAY APPLICATIONS - FIXED INSTALLATIONS - ELECTRICAL SAFETY, EARTHING AND THE RETURN CIRCUIT - PART 1: PROTECTIVE PROVISIONS AGAINST ELECTRIC SHOCK
出版：Netherlands Standards
专家解读视频
Defines requirements for the protective provisions relating to electrical safety in fixed installations associated with a.c. and/or d.c. traction systems and to any installations that can be endangered by the traction power supply system.
I.S. EN 50122-1:2011 - Identical
NF EN 50122-1 : 2011 AMD 4 2018 - Identical
NBN EN 50122-1 : 2011 AMD 2 2016 - Identical
SN EN 50122-1 : 2011 AMD 4 2017 - Identical
DIN EN 50122-1 : 2017 - Identical
I.S. EN 50122-1:2011 - Identical
NBN EN 50122-1 : 2011 AMD 2 2016 - Identical
BS EN 50122-1 : 2011 - Identical
UNE EN 50122-1 : 2011 - Identical
DIN EN 50122-1 : 2017 - Identical
SN EN 50122-1 : 2011 AMD 4 2017 - Identical
EN 50122-1 : 2011 AMD 4 2017 - Identical
