Switch system for a door with access control comprising:. a first and a second connecting element, of which the first is connected to the component of the door on which one must act to open the door and the second is connected to the door lock, each of the two connecting elements (1,2) having on one of its own faces (1a,2a) a coupling seat (1b,2b);. a supporting body, which is hollow and within which the first and the second connecting element (1,2) are supported with their faces (1a,2a) facing each other and in a rotary way around the longitudinal axis (A-A) of the supporting body, said first and second connecting element also protruding with connecting portions from the supporting body;. a coupling body, arranged inside the supporting body and between said faces (1a,2a), which is supported, in a movable way along a movement direction (B-B) which is perpendicular to the longitudinal axis (A-A), from at least one inactive position, wherein a part to be inserted of it is not placed in a free space delimited by the coupling seats (1b,2b), into an active position, wherein said part to be inserted is placed in said free space and connects the two connecting elements (1,2) to each other;. inserting means, to move and maintain the coupling body in its active position;. actuating means, to actuate said inserting means so that they move said coupling body into its active position; and. an anchoring body, which has an internal space, wherein the door lock is received, and fastening means to fix to it the supporting body; said supporting body, anchoring body, inserting means and actuating means being arranged inside the door wing.. a first and a second connecting element, of which the first is connected to the component of the door on which one must act to open the door and the second is connected to the door lock, each of the two connecting elements (1,2) having on one of its own faces (1a,2a) a coupling seat (1b,2b);. a supporting body, which is hollow and within which the first and the second connecting element (1,2) are supported with their faces (1a,2a) facing each other and in a rotary way around the longitudinal axis (A-A) of the supporting body, said first and second connecting element also protruding with connecting portions from the supporting body;. a coupling body, arranged inside the supporting body and between said faces (1a,2a), which is supported, in a movable way along a movement direction (B-B) which is perpendicular to the longitudinal axis (A-A), from at least one inactive position, wherein a part to be inserted of it is not placed in a free space delimited by the coupling seats (1b,2b), into an active position, wherein said part to be inserted is placed in said free space and connects the two connecting elements (1,2) to each other;. inserting means, to move and maintain the coupling body in its active position;. actuating means, to actuate said inserting means so that they move said coupling body into its active position; and. an anchoring body, which has an internal space, wherein the door lock is received, and fastening means to fix to it the supporting body; said supporting body, anchoring body, inserting means and actuating means being arranged inside the door wing.