The RSD-60G-3.3 with Isolated DC/DC Converters 39.6W 9-36Vin 3.3V 12A is a high quality power supply module designed for railway and other transportation applications. It is manufactured by Mean Well, a leader in the production of power supply solutions. This power supply module has an operating voltage of 9-36V with a maximum output power of 39.6W. It also has an output voltage of 3.3V and a current rating of 12A. It features a high efficiency of up to 94%, wide temperature range of -40oC – +85oC, and a full compliance to EN50 155 railway safety standards. This power supply also features reinforced isolated design to provide effective prevent electric shock and insulation protection. Furthermore, this power supply also features built-in EMI filter to suppress interference. In addition, it provides protections against overvoltage, overload, short circuit, and over temperature.