The MEAN WELL HVGC-150-1050B is an 150 watt, 10-50Vdc, constant voltage LED driver and LED power supply. This LED driver/power supply features a selectable 10V or 50V output voltage and a wide operating temperature range of -40°C to +80°C. It is fully enclosed, IP67 rated and features short circuit, overload and over-voltage protection. In addition, the HVGC-150-1050B has a wide input voltage range of 90-305Vac, can withstand up to 4KV surge input and has a power factor of 0.95. The HVGC-150-1050B is UL, cUL, CB and TUV approved, making it an ideal LED driver for applications such as indoor or outdoor LED signage and architectural lighting.