Mean well 15w single output switching power supply rs 15 series mean well rs 15 12 the mean well rs 15 12 is a switch mode power supply from the rs 15 series this low cost and high reliability power supply is supplied with voltage ratings of 12v dc output voltage it is compact and lightweight and has been designed to be mounted into equipmentracks etc it has a universal mains input voltage of 85 to 264v ac and 120 to 370v dc the psu has short circuit overload over voltage and over temp