Rail transit power supply switch cabinet

The utility model relates to the technical field of power supply switch cabinet structures, in particular to a rail transit power supply switch cabinet, which comprises a switch cabinet main body provided with a mounting cavity for mounting a feeder switch, the inner wall of the mounting cavity is provided with an air outlet hole, and the air outlet hole penetrates through the mounting cavity and is communicated with external air; the plurality of temperature sensors are arranged in the mounting cavity at intervals and are used for detecting the temperatures of feeder switches in corresponding areas; and the air blowing device slides on the inner wall of the mounting cavity, and when the temperature sensor detects that the temperature of the feeder switch in the corresponding area is too high, the air blowing device is controlled to blow air towards the corresponding area. The feeder line switch has the advantages that after the blowing device slides to the position adjacent to the corresponding overheating a