Recom racd20 350d lightline led power supply dual mode dimmable recom lighting 21000149 this unit is a compact and efficient 20w constant current power supply module that is designed for driving led lighting systems configurable dual mode operation enable the driver to power either two independent strings of 1 to 10 leds at 350ma or a single string of 1 to 10 leds at 700ma when used in dual mode the two outputs are independently regulated so may be used with asymmetrical led loads the out