Outdoor electrical control box

The utility model relates to the technical field of electrical control boxes, in particular to an outdoor electrical control box. Comprising a box body, a base and a top plate, the lower portion of the box body is connected with the base through a limiting mechanism, the upper portion of the box body is connected with the top plate through a connecting mechanism, a heat dissipation opening is formed in the center of the lower end face of the box body in advance, and the connecting mechanism comprises a connecting block which is arranged on the lower end face of the top plate and further comprises a groove. The groove is preset in the upper end face of the box body, and the installation position of the groove corresponds to the installation position of the connecting block. According to the outdoor electrical control box, the heat dissipation opening is formed in the lower end face of the box body, and the gap between the lower end face of the box body and the base can be adjusted through the limiting mechanis