Current limiting device

The utility model discloses a current limiting device, and belongs to the technical field of current limiting equipment. The current limiting device includes: a switch; the reactor is connected with the switch in parallel; the current transformer is connected with the switch in series, the current transformer is connected with the electric reactor in series, and the current transformer is used for measuring the current value after the electric reactor is connected with the switch in parallel; the repulsive force mechanism is connected with the switch; the trigger loop is connected in series with the repulsive force mechanism and is connected with at least two paths of power supplies; and the control loop is respectively connected with the trigger loop and the current transformer, and the control loop is used for controlling the trigger loop to discharge the repulsion mechanism according to the current value measured by the current transformer, and the repulsion mechanism pushes the switch to be switched on or