IEC 60077-4 Ed. 1.0現行
Railway applications - Electric equipment for rolling stock Part 4: Electrotechnical components - Rules for AC circuit-breakers
出版：International Electrotechnical Committee
專家解讀視頻
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 is in accordance with IEC 60850. Complements the general requirements given in IEC 60077-2.
NEN EN IEC 60077-4:2003 - Identical
PN EN 60077-4:2003 - Identical
UNE EN 60077-4:2004 - Identical
OVE/ONORM EN 60077-4:2004 - Identical
I.S. EN 60077-4:2003 - Identical
NF EN 60077-4:2003 - Identical
VDE 0115-460-4:2004 - Identical
DIN EN 60077-4 (2004-01) - Identical
BS EN 60077-4:2003 - Identical
SN EN 60077-4:2003 - Identical
CEI EN 60077-4:2003 - Identical
SS EN 60077-4 Ed. 1 (2003) - Identical
