Electromechanical multirange 96×96 timer. With a rotating index that points out the passing time. Time setting by rotation of the large knob. Lamp on presence of power supply. Manual reset. On the side of the timer , it is available a mechanical gear-set to change the full scale time.
The timer starts with the power supply to the sinchronous motor and to the coil (or powering off the coil in the “D” version).
At the end of the time the two switches switch. The reset is made by the power off of the coil. Screw connections.