Electronic device for turning on a fluorescent lamp, - wherein the fluorescent lamp comprises - a fluorescent tube having an electrical terminal at each end, - wherein said fluorescent lamp is connected with an electronic module and a voltage source configured to supply said fluorescent lamp, - wherein the electronic module is comprised in said electric device and comprises - two diodes, each diode being connected in series with a respective capacitor, - a resistor connecting the respective connection points between said diodes and said capacitors; - a first electromagnetic ballast connected in series between a terminal of the fluorescent tube and a connection point between a diode and a capacitor, and - a second electromagnetic ballast connected in series between the voltage source and the diodes, - the electronic module being configured to regulate light intensity of the fluorescent lamp by means of electric current variation, maintaining a voltage value, characterised in that - Said capacitors are multicapacitors - each diode is connected to said respective multicapacitor via a respective switch comprising a plurality of discrete positions operatively associated with a plurality of positions of said multicapacitor, said positions of said switch defining a plurality of light intensity states of the fluorescent lamp; - wherein said resistor connects in parallel the series connection points between said diodes and said switches; and - wherein the first electromagnetic ballast is connected in series between the terminal of the fluorescent tube and a connection point between a diode and a switch. - wherein the fluorescent lamp comprises - a fluorescent tube having an electrical terminal at each end, - wherein said fluorescent lamp is connected with an electronic module and a voltage source configured to supply said fluorescent lamp, - a fluorescent tube having an electrical terminal at each end, - wherein said fluorescent lamp is connected with an electronic module and a voltage source configured to supply said fluorescent lamp, - wherein the electronic module is comprised in said electric device and comprises - two diodes, each diode being connected in series with a respective capacitor, - a resistor connecting the respective connection points between said diodes and said capacitors; - a first electromagnetic ballast connected in series between a terminal of the fluorescent tube and a connection point between a diode and a capacitor, and - a second electromagnetic ballast connected in series between the voltage source and the diodes, - the electronic module being configured to regulate light intensity of the fluorescent lamp by means of electric current variation, maintaining a voltage value, characterised in that - two diodes, each diode being connected in series with a respective capacitor, - a resistor connecting the respective connection points between said diodes and said capacitors; - a first electromagnetic ballast connected in series between a terminal of the fluorescent tube and a connection point between a diode and a capacitor, and - a second electromagnetic ballast connected in series between the voltage source and the diodes, - the electronic module being configured to regulate light intensity of the fluorescent lamp by means of electric current variation, maintaining a voltage value, characterised in that - Said capacitors are multicapacitors - each diode is connected to said respective multicapacitor via a respective switch comprising a plurality of discrete positions operatively associated with a plurality of positions of said multicapacitor, said positions of said switch defining a plurality of light intensity states of the fluorescent lamp; - wherein said resistor connects in parallel the series connection points between said diodes and said switches; and - wherein the first electromagnetic ballast is connected in series between the terminal of the fluorescent tube and a connection point between a diode and a switch.