Constant Current LED Drivers from EldoLED. Mounted in Junction Box for Hardwiring, Factory programmable output from 200mA to 1050mA; 120 – 277v 50/60Hz input; DALI Dimmable. Full Dimming from 100% to 0%, logarithmic, linear or square dimming curve. 2 low voltage leads fo DALI Input/Output. NEMA 3R case; Damp/Dry Rated. UL listed class 2 power supply.