DIO 21 WD492100 BUSing® Radio 1 channel 400W dimmer One channel dimmer (triac output) that allows to regulate halogen, incandescent and LED lighting with phase cut regulation (leading edge) up to 400W. It also has 2 inputs to control the channel with conventional pushbuttons. Power supply: 230V AC Consumption: 0.5W Max. Max. output power.: 400W Size: 51 x 51 x 19mm Mounting: Universal distribution box documentation