Patent ID: 7227091

Claim:
A control device ( 10 , 10 ′) for an electrical switchgear with three switching positions including a closed position, an open position and an earthing position, and comprising a main shaft ( 14 ) and a drive shaft ( 28 ), the control device intended to be coupled to a mobile contact of said electrical switchgear, the control device comprising: a mode selector lever ( 30 ) selecting one operating mode among a motor driven switching mode, a first manual switching mode between the open position and the closed position of the electrical switchgear, and a second manual switching mode between the open position and the earthing position of the electrical switchgear, said mode selector lever ( 30 ) comprising an opening ( 40 ), and a cam disk ( 50 ), fixed on the drive shaft ( 28 ), with a cam ( 54 ) capable of moving inside said opening ( 40 ), such that the displacement of the cam disk ( 50 ) is free when the control device ( 10 ) is in the motor driven switching mode, limited to a first angular rotation range ( 50 - 1 ) of the drive shaft ( 28 ) when the control device ( 10 ) is in the first manual switching mode, and limited to a second angular rotation range ( 50 - 2 ) of the drive shaft ( 28 ) when the control device ( 10 ) is in the second manual switching mode.