The Mean Well HBGC-300-L-A is a 300 watt single-output enclosed power supply. It features a universal AC input range, constant current level of adjustable and overvoltage protection for added safety. The unit is UL/CB/TUV/CE approved, with a high efficiency up to 90%. Its built-in active PFC feature lowers power consumption, making it an energy-saving product. The HBGC-300-L-A comes with a built-in fan, protection against short circuit and over temperature, and surge immunity capability of up to 4KV.