Cam switches are used in main and auxiliary circuits, in particular: as motor switches for connecting and controlling drives with single- and three-phase motors, as star-delta switches, direction and speed switches, etc., in auxiliary, control, signaling and made in accordance with the required switching program, as circuit breakers, changeover switches and tap changers, e.g. in transformers and electric welding machines, as group switches, e.g. for connecting resistors and heating elements, as pushbutton switches with automatic return to the starting position, as switch disconnectors.