LPF-40 series is a 40W AC/DC LED driver featuring the dual modes constant voltage and constant current output.LPF-40 operates from 90¡«305VAC and offers models with different rated voltage ranging between 12V and 54V.Thanks to the efficiency up to 90%,with the fanless design,the entire series is able to operatefor -40¡ãC~+80¡ãC case temperature underfree air convection.Features: Constant Voltage+ Constant Current mode output | Plastic housing with Class II design | Built-in active PFC function | Class 2 power unit | Fully encapsulated with IP67 level | Typical lifetime>50000 hours | 5 years warranty