Three-position load switch

The utility model discloses a three-position load switch, which comprises a shell, an arc extinguishing chamber is arranged in the shell along the horizontal direction, the arc extinguishing chamber is a closed chamber, and a nozzle is arranged in the arc extinguishing chamber; the switch shaft is horizontally arranged in the arc extinguishing chamber of the shell, and the two ends of the switch shaft are rotationally connected with the shell; a plurality of groups of moving contact assemblies, each group of moving contact assemblies comprising two moving contacts, and the plurality of groups of moving contact assemblies being arranged on the switch shaft along the axial direction of the switch shaft; the multiple groups of static contact assemblies are arranged on the shell and located in the arc extinguishing chamber, the multiple groups of static contact assemblies and the multiple groups of moving contact assemblies are in one-to-one correspondence, and when the switch shaft rotates, the switch shaft can