The Kikusui PAS40-27 is a constant voltage constant current variable-switching regulated DC Power Supply. This unit has high efficiency and a power factor of 0.98 with universal AC input. This unit can be used for system building and has the following features; remote control of output level, output switch, power switch cut-off. Parallel and series operation remote sensing and output monitoring is also possible. 32 of these units can be controlled by the PIA 4830 (power supply controller) using the twisted pair bus