The present disclosure relates to a tower-shaped support device comprising: a plurality of main frames arranged in a vertical direction on a mounting surface; a plurality of support frames which are coupled to the main frames in a direction that is vertical with respect to the main frame while the pair of frames facing each other are arranged at the same height, and which support at least one current limiting resistance unit module for limiting the fault current of a power system; and a lower frame and an upper frame respectively provided at the upper and lower sides of the main frame and grounded.