Indoor three-phase voltage transformer

The utility model provides an indoor three-phase voltage transformer, includes and adopts epoxy with its pouring epoxy ware body, screw fuse and installation base as an organic whole by cable junction seat, secondary terminal box, iron core, skeleton, secondary skeleton, primary winding, a secondary winding. The iron core wear to adorn in the secondary skeleton, the secondary skeleton is outward around dress secondary winding, secondary winding is outward in proper order around dress major insulation, a skeleton, the primary winding around the dress on a skeleton. The screw fuse is installed respectively in A, B, a triphase cable junction seat of C. Epoxy ware body passes through lower extreme fixed connection on the installation base. The utility model relates to a rationally, small, stable performance, operation be reliable, simple to operate, easy operation, operation cost are low, have extremely strong practicality and advance.