Pole-mounted reactive power automatic compensation device

The utility model relates to an outdoor pole-mounted reactive power automatic compensation device. The device comprises a compensation box, an incoming line terminal, a current transformer, a voltage transformer, a parallel capacitor, a lightning arrester and a compensation assembly. One end of the incoming line terminal is connected with the current transformer, the other end of the incoming line terminal is extended to the outside of the compensation box; the voltage transformer and the lightning arrester are arranged on the upper portion of the compensation box, the parallel capacitor and the compensation assembly are arranged on the lower portion of the compensation box; the rain cover is arranged over the compensation box, and two sides of the body of the compensation box are provided with ventilation slots respectively. According to the utility model, advantages of compact structure, small size, easy installation and maintenance, reduced labor intensity can be realized; the influences of outside climate