RCS-901A在三相重合闸或手合时,零序电流大于加速定值时经___ms延时三相跳闸

RCS-901A在三相重合闸或手合时,零序电流大于加速定值时经___ms延时三相跳闸

选项1:50

选项2:60

选项3:100

选项4:80

选项5:

答案:3