VS1-24型户内高压真空断路器（下称断路器）是户内安装、三相交流50HZ，额定电压为24KV的变配电的控制和保护设备。用于24KV及以下的交流系统中，可用来分、额定电流和故障电流，尤其适合频繁操作，如投、切电容器组合，控制电炉、变压器和高压电机等，也可作为联络断路器使用。     VS1-24 indoor AC HV vacuum circuit breaker is a type of holistic sealed HV switchgear with small volume and compact structure. It applies to power system of rated voltage 24kV, three-phase AC 50HZ, and used to control and protect electric apparatus and circuit with frequent operations. It conforms to IEC62271, GB3855 and DL403.Rated voltage: 24kVRated frequency: 50 HzRated breaking times of short-circuit breaking current: 50 TimesRated operating sequence: O-0.3s-C/O-180s-C/ORated breaking current of single capacitor bank: 630ARated breaking current of back-to-back capacitor bank: 400A1 min P.F. withstand voltage: 50kVLightning impulse withstand voltage: 125kVMechanical lifetime: 20000 TimesClosing time: Less than 75msOpening time: Less than 60msStorage time under rated voltage: Less than 10s