CEI EN 60077-4:2003现行
RAILWAY APPLICATIONS - ELECTRIC EQUIPMENT FOR ROLLING STOCK - PART 4: ELECTROTECHNICAL COMPONENTS - RULES FOR AC CIRCUIT-BREAKERS
出版：Comitato Elettrotecnico Italiano
专家解读视频
Describes the 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.
Classificazione CEI 9-10/4 (09/2004) To be used in conjunction with CEI EN 60077-1:2002-11 and CEI EN 60077-2:2002-11. (06/2005)
EN 60077-4 : 2003 - Identical
IEC 60077-4 : 2003 - Identical
IEC 60077-4 Ed. 1.0 - Identical
