T-shaped phase-change common-box bus

The utility model discloses a T-shaped phase-change common-box bus. The T-shaped phase-change common-box bus comprises a main barrel body with a sealed end, wherein a first branch barrel body and a second branch barrel body which are mutually communicated are vertically arranged at the two opposite sides of the main barrel body; a first conductor, a second conductor and a third conductor are arranged in the main barrel body; a fourth conductor connected with a single-phase VT is arranged in the first branch barrel body; a fifth conductor, a sixth conductor and a seventh conductor are arranged in the second branch barrel body; the fifth conductor is vertically arranged between the first conductor and the second conductor in a penetrating manner; the third conductor is connected with the fifth conductor; the first conductor is connected with the seventh conductor; the second conductor is connected with the sixth conductor; and the fourth conductor is connected with the seventh conductor. With the adoption of th