Modularized assembly type power cabinet

The invention provides a modular assembly type power cabinet, and relates to the field of assembly type power cabinets. Comprising a rear plate, a plurality of partition plates are arranged in front of the rear plate, first cavities are formed in the top surfaces of the partition plates, circulating cooling water pipes are fixedly connected to the inner walls of the first cavities, a plurality of round openings are formed in the front of the rear plate, and the left ends and the right ends of the circulating cooling water pipes penetrate through the rear sides of the inner walls of the first cavities to the interiors of the round openings; the left side behind the rear plate is fixedly connected with a water inlet connecting pipe. According to the power distribution cabinet, the circulating cooling water pipes are arranged in the multiple partition plates, power equipment in the power distribution cabinet can be cooled in a water cooling mode, the partition plates can be conveniently installed during use, and