LED power supplies transform and regulate power from a line voltage power source into low voltage power for use with LED lighting. The PSB-200W-010-24VDC power supply accepts input voltage in range of 120-277 volts AC and outputs 24 volts DC power up to 200 watts. The power supply can be used as dimmable or non-dim power supply. Power Supply features short circuit and overload protection. To avoid overheating the power supply, install it in a ventilated remote location where air flows. Maintain proper spacing among power supplies when multiple power supplies are installed in the same remote location. In accordance with local electrical codes, ETL listed. Non-Class 2 ETL listed 200 watt power supplies require conduit between the power supply and the lighting fixture junction box. Dimmable with 0-10V dimmer: Philips Sunrise SR1200ZTUNV, Lutron Radio Ra 2 (with GRX-TVI), Lutron Grafik Eye Qs (with GRX-TVI), Lutron Diva (with PP20), Lutron Nova T, or Leviton IP710-DL, sold separately.