Dustproof mounting box of electrical automation control device

The utility model discloses a dustproof installation box of an electrical automation control device. The device comprises a box body, a movable plate, a dustproof net, a limiting block, a limiting groove and a heat dissipation plate, movable plates are clamped to the two end faces of the box body correspondingly. Limiting grooves are formed in the two end faces of the box body correspondingly, second magnets are evenly embedded in the inner walls of the limiting grooves, limiting blocks are arranged on one end face of the movable plate, first magnets are evenly embedded in one end faces of thelimiting blocks, sealing rubber strips are embedded in the outer end faces of the limiting blocks in a wound mode, and the first magnets are connected with the second magnets in a magnetic attractionmode. The invention discloses a dustproof mounting box of an electrical automation control device. The limiting block is movably clamped in the limiting groove; and through magnetic attraction connection of a first magnet and