Power distribution cabinet

The utility model provides a power distribution cabinet. The power distribution cabinet comprises a cabinet body, a cabinet door, a support column and a separator plate. An accommodating cavity is formed in the cabinet body; the cabinet door is movably arranged relative to the cabinet body and is used for sealing the accommodating cavity; the supporting column comprises a column body and an air injection piece, and an air conveying cavity is formed in the column body and used for conveying external refrigeration air. The air injection part is movably arranged on the column body and communicates with the column body, and the air injection part is used for injecting refrigeration gas into the containing cavity; the partition plate is detachably connected to the cabinet body and contained in the containing cavity, a positioning groove is formed in the partition plate in a penetrating mode, and the supporting column is arranged in the positioning groove in a penetrating mode. According to the power distribution c