Mean well 150w single output switching power supply hlg 150 series ip67 rated mean well hlg 150h 12b p the mean well hlg 150h 12b is a 150w single output switching power supply from the hlg 150h series this power supply has a built in active pfc function and features a wide input range of 90 to 305v ac in addition this power supply is ip67 rated denoted by the b in the manufacturer s part number constant current level adjustable through output cable with 1 to 10v dc or 10v pwm sign