Contactor

The embodiment of the utility model provides a contactor, and belongs to the technical field of electrical equipment. The shell is provided with a guide rail mounting groove and a first sliding groove which are communicated with each other, the first sliding groove is provided with a limiting structure, and the limiting structure comprises a first limiting face facing the guide rail mounting groove and a second limiting face opposite to the guide rail mounting groove. The elastic piece and the sliding piece which are mutually connected are both located in the first sliding groove, the abutting end, away from the guide rail installation groove, of the elastic piece abuts against the first limiting face, and the sliding piece is provided with a first clamping part. When the sliding part moves in the direction far away from the guide rail mounting groove until the jacking end is not located in the guide rail mounting groove, the elastic part is in a contraction state, the first clamping part is clamped to the se