Constant Current LED Drivers from EldoLED. Mounted in Junction Box for Hardwiring, Factory programmable output from 200mA to 1050mA; 120 – 277v 50/60Hz input; 0 – 10v Dimmable, current sink or current source. Full Dimming from 100% to 0%, logarithmic dimming curve. NEMA 3R case; Damp/Dry Rated. UL listed class 2 power supply.