This Van De Graaff Generator  motor driven  is specially designed for electrostatic experiments and where continuous source of high voltage is required. It is fitted with smooth running DC motor, operates on 220 volts A.C. 50 Hz. Provided with indicator type ON/OFF switch.It can develop electric potential upto 200kV, under favourable conditions , with a spark of upto 60mm length. Provided with 4mm socket terminal at the bottom for earthing and another 4mm socket  on  discharge sphere top for charge transfer or attaching accessories.