Measuring 430mm x 30mm x 21mm (l x w x h) this slim and lightweight Osram 1-10 Volt Quicktronic ballast controls twin 35/49 Watt T5 fluorescent tubes ensuring excellent performance and extended lamp life. Guaranteeing perfect lamp start with motion sensor applications a 100000 hour service life and suitability for emergency luminaires it is an excellent choice for public building open-plan office and corridor applications. Additional features are very low standby power consumption automatic restart and 1-100% dimming.