Carlo Gavazzi Switching Power Supply AC/DC 100W Bi-Phase, O/P: 48VDC 2.1A w/Passive PFC, Parallel Connection, Screw Terminal, Din-Rail. This particular SPD is the most compact 100W power supply on the market. Relay output for "power ready" , parallel function and PFC are included. Performances are unique with high efficiencies and the possibility of being used up to 70 °C with a little derating. Furthermore it can be powered with 2 phases of a 3 phase grid system due to its high voltage input.