MID-POWER AUTOMATIONDDP120Â 120 W series comes with a nominal output of 12 V, 24 V or 48 V, while the DPP240Â 240 W series is available with 24/48 V output. Both series have a front-panel potentiometer for adjusting the output voltage. Up to three units can be paralleled for higher power applications. Typical efficiencies reach up to 90%