Emergency power light with an electronic ballast for the control of an emergency power source, as well as emergency power system with such emergency lights

摘要

Emergency power light with an emergency lighting device (10) and with an electronic ballast (12), which is designed for dimmable control of a lamp and which comprises: - a digital interface (16), - a device (20) for illuminant detection, - a device (20 ) for detecting a bulb error, characterized in that the function of the dimmability is not or only partially used when detecting a connected bulb as an emergency power source with a nominal power of less than 18W.