Combined mutual inductor

The utility model discloses a combined mutual inductor. The combined mutual inductor comprises a base and a conduction unit, a square cavity is formed in the center of the interior of the base, a current coil shell and a voltage coil shell are arranged in mounting ports in the left side and the right side of the upper surface of the base respectively, a current coil is arranged in the current coil shell, two independent current coil binding posts are arranged on the outer surface of the current coil, and a voltage coil is arranged in the voltage coil shell; two mutually independent voltage coil binding posts are arranged on the outer surface of the voltage coil; the inner side ends of the two current coil binding posts and the two voltage coil binding posts extend into the square cavity; the combined type mutual inductor has the functions of a current mutual inductor and a voltage mutual inductor at the same time, the access state of the combined type mutual inductor can be rapidly switched according to actua