Railway applications - Electric equipment for rolling stock - Part 4: Electrotechnical components - Rules for AC circuit-breakers (IEC 60077-4:2003); German version EN 60077-4:2003
铁路设施.机车车辆用电气设备.第4部分:电工元件.交流断路器规则(IEC 60077-4-2003);德文版EN 60077-4:2003