Time Switch 20-channel with LCD display, 6SU MDRC. MDRC device. Time switch with 20 channels (6 switch times each channel). Direct switching of the 20 channels (Manual Mode). Daily/weekly/astro switching function. Large LCD Display, Power reserve. Cycle time adjustable by the ETS and directly on the device. Cyclic sending of the time on the KNX bus (Master). Clock time adjustment by bus telegram (Slave). 8 logical blocks with 4 input. 3 years warranty.