EMC suite cabinet with single blank door manufactured from high-strenght low-alloy sheet steel. The profile used for uprights and crosspieces is unique and closed with continuous welding and free of sharp edges. The bottom is a single piece with box type structure manufactured from welded profiles.The frame corners are manufactured of a special steel with orthogonal joints laser welded to vertical upright rails and horizontal rails for the roof and bottom. Only 8 screws are necessary to mount the structure, while two position pils allow the easy mounting of the two parts of the joint. Solution that guarantees high protection from electromagnetic waves, protecting internal equipment; high flexibility and safety.