Measuring 430mm x 30mm x 21mm (l x w x h) an Osram DALI Quicktronic T5 ballast that optimises and controls the performance of Twin 28/54 Watt T5 fluorescent tubes. With motion sensor and pre-programmable light functions suitability for emergency luminaires automatic restart after lamp replacement and 300000 switch cycles it is an excellent choice for a diverse range of retail commercial and industrial applications. Additional features are very low standby power consumption automatic restart and 1-100% DALI dimming.