Mean well 480w single output switching power supply with pfc sp 480 series mean well sp 480 12 the mean well sp 480 12 is a 480w single output power supply with pfc function from the sp 480 series this universal ac input enclosed switching power supply is highly reliable and has forced air cooling from a built in fan the low profile psu has a wide voltage input range of 85 to 264v ac and 120 to 370v dc making it ideal for worldwide use it is compact in design and ideal for automated machi