Max. load 300W/channel, Parallel: 2 channels 500W,3 channels 750W/ 4 channel 1000W, leading / trailing edge edge phase dimming control, Un rated voltage 110~230 V AC, 50-60Hz. KNX functions including switch, relative & absolute dimming, status response, scene control (16 folds), staircase lighting, flashing switch, delay switch, threshold, forced,safety function, 8 logic function. Dimming curve adjustment (6 options+1 Customization) in ETS. Manual operation and Output indication function, Operating hours counter function, Central control function.