Shutter Actuator to feed 24VDC shutter motors up to 180W, With monostable relays, current max. 8A with ohmic load, Push Button and LED indicator for each channel, Operation mode blind/shutter programmable, 1-bit automatic function and sun protection, 8-bit positioning for shutter and blinds, 8 scenes per channel, Alarm, central- and block functions, Separate travel time for up and down adjustable, Tip operation for accurate positioning, To feed DC motors with two connections, Integrated commutator circuit, Programmable behavior in case of bus voltage failure or return, Two contacts share one supply phase, Modular installation device for DIN 35mm rails, Integrated bus coupling unit, 3 years warranty.