Current transformer for power marketing

The invention discloses a current transformer for power marketing, belonging to the technical field of power facilities. The current transformer for power marketing comprises a transformer body, a shell, a seat body and a limiting ring, wherein the shell comprises an upper shell and a lower shell, the edge of the upper shell is provided with a first flange and a second flange, the limiting ring isprovided with a clamping block and a lug boss, and the current transformer has a first state in which the clamping block is pressed against the first flange and the upper shell is pressed against thelower shell, a second state in which the lug boss is pressed against the second flange and the upper shell and the lower shell are opened, and a third state in which the clamping block is separated from the first flange, the lug boss is separated from the second flange, and the upper shell and the lower shell can relatively rotate. According to the current transformer for power marketing providedby the invention, the tran