Online monitoring device for characteristics of ring main unit

The utility model discloses a ring main unit characteristic on-line monitoring device, which relates to the technical field of on-line monitoring devices and comprises a bottom plate, a box body is fixedly connected to the top end of the outer surface of the bottom plate, a protection device is arranged at one end, close to a slot, of the outer surface of the box body, and the protection device is mounted on a slot plate. One end of the outer surface of the groove plate is fixedly connected with two L-shaped rods, two sliding grooves are formed in the side, close to the inserting groove, of the outer surface of the box body, and the top end of the inner wall of the groove plate is in threaded connection with a bolt. The groove plate can be pushed to control the groove plate to slide on the inner wall of the sliding groove through the two L-shaped rods so as to adjust the position of the groove plate, the end, located in the inserting groove, of the groove plate can cover the inserting groove, and then the bol