Electronic ballasts (EBs) for fluorescent lamps stand for modern lighting technology, for energy and cost economy and for comfort. Dimmable EBs permit stepless brightness adjustment. Magnetic ballasts are also available. In the case of compact fluorescent lamps with integrated ballast (energy-saving lamps), the ballast is integrated in the lamp; in the case of fluorescent lamps and compact fluorescent lamps without integrated ballast, it forms part of the luminaire.

EBs have the best energy balance. Above all, they heighten the luminous efficacy of both the lamp and the system (lamp + ballast). The economic life of lamps is extended by EB operation and the decline in luminous flux reduced. Because fluorescent material and lamp electrodes are under less stress, lamp replacement is required at less frequent intervals.

EBs start lamps fast, silently and without flicker, ensure constant, even lighting and are largely insensitive to voltage and frequency fluctuations. Because EBs also work on direct current, they can be switched to battery operation and used for emergency lighting in the event of a power failure. If an EB fails, it automatically disconnects from the line and thus reduces the risk of fire.