NBN EN 60077-4:2003现行
Railway Applications - Electric Equipment For Rolling Stock - Part 4: Electrotechnical Components - Rules For Ac Circuit-breakers
出版：Belgian Standards
专家解读视频
Provides rules for AC circuit-breakers, the main contacts of which are to be connected to AC overhead contact lines; the nominal voltage of these circuits being in accordance with IEC 60850.
SS EN 60077-4 Ed. 1 (2003) - Identical
UNE EN 60077-4:2004 - Identical
I.S. EN 60077-4:2003 - Identical
NF EN 60077-4:2003 - Identical
DIN EN 60077-4 (2004-01) - Identical
BS EN 60077-4:2003 - Identical
SN EN 60077-4:2003 - Identical
DIN EN 60077-4:2004 - Identical
BS EN 60077-4 : 2003 - Identical
BS EN 60077-4 : 2003 - Identical
I.S. EN 60077-4:2003 - Identical
