Sunpower 35w dual output enclosed power supply sps 035 dx series sunpower sps 035 d9 the sunpower sps 035 d4 is a 35w dual output enclosed power supply from the sps 035 series this highly efficient psu is supplied with isolated outputs and can operate between 20c to 70c with cooling by free air convection and has protections such as over voltage overload and short circuit this power supply has a standard mounting fixture identical in construction to products of other power supply manuf