
RAILWAY APPLICATIONS - ELECTRIC EQUIPMENT FOR ROLLING STOCK - PART 4: ELECTROTECHNICAL COMPONENTS - RULES FOR AC CIRCUIT-BREAKERS
出版:International Electrotechnical Committee

专家解读视频
In addition to the general requirements of IEC 60077-2, this part of IEC 60077 gives 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.
NEN EN IEC 60077-4 : 2003 - Identical
CEI EN 60077-4 : 2003 - Identical
BS EN 60077-4 : 2003 - Identical
PN EN 60077-4 : 2003 - Identical
I.S. EN 60077-4:2003 - Identical
VDE 0115-460-4 : 2004 - Identical
DS EN 60077-4 : 2004 - Identical