Electric power grid-connected switch equipment

The utility model discloses an electric power grid-connected switch device comprising a work box, the upper surface of the work box is fixedly communicated with a first circular tube, the inner wall of the first circular tube is fixedly provided with a first heat dissipation fan, the left side surface of the work box is fixedly communicated with two second circular tubes, and the inner wall of the first circular tube is fixedly provided with a second heat dissipation fan. Second heat dissipation fans are fixedly mounted on the inner walls of the two second round pipes, two first heat dissipation openings are formed in the bottom face of the working box, through cooperation of the first heat dissipation fans, the second heat dissipation fans, a first dustproof net and a second dustproof net, the heat dissipation effect of the device can be better, dust in air can be filtered, and the device is convenient to use. Through cooperation of a temperature sensor, a controller, an observation window, a box door and a