Distribution box with power supply line switching function and distribution system thereof

The embodiment of the utility model provides a power distribution box with a power supply line switching function and a power distribution system thereof, and the power distribution box with the power supply line switching function comprises a first power supply line which is used for connecting commercial power; the second power supply line is used for connecting a new energy automobile; the first power supply line and the second power supply line are connected with the double-throw switch; the fault arc detector is connected between the second power supply line and the double-throw switch; wherein the double-throw switch is used for switching the power supply line to the first power supply line or the second power supply line. According to the technical scheme, switching of power supply lines can be flexibly and conveniently achieved, and great convenience is brought to daily life of people. 本实用新型实施例提供了一种具备切换供电线路功能的配电箱及其配电系统，具备切换供电线路功能的配电箱包括：第一供电线，用于连接市电；第二供电线，用于连接新能源汽车；双掷开关，第一供电线与第二供电线均与双掷开关连接；故障电弧探测器，故障电弧