Mean well elg series led power supplies constant voltage and current mean well elg 150 12a a 12v 120w metal cased led driverpower supply that features an active pfc function and constant voltage and constant current modes that are adjustable via a built in potentiometer this high efficiency psu is a type hl led driver for use in class i division 2 hazardous location luminaires and are ideal for street architectural and bay lighting floodlighting etc meanwell elg 150 12a constant volta