All-digital European expansion type DC speed regulation cabinet

The utility model discloses an all-digital European expansion type DC speed regulation cabinet, which comprises a cabinet body, a plurality of groups of mounting racks arranged in the cabinet body and heat dissipation mechanisms arranged at two sides of the bottom of the cabinet body, the cabinet body comprises a plurality of groups of wire holes arranged at the bottom of one end of the cabinet body, and a plurality of groups of sealing rings are arranged in the wire holes. And the protection plates are arranged on two sides of the bottom end in the cabinet body. According to the utility model, the protective cover can be disassembled and assembled through the fixing grooves, dust is prevented from entering the cabinet body from the ventilation holes through the first dustproof net, the dustproof cover and the heat dissipation mechanism are disassembled and assembled through the threaded holes, dust is prevented from entering the cabinet body through the second dustproof net in the dustproof cover, and the mo