Elenco XP-625  AC/DC Power Supply Ideal AC/DC power supply for your school lab It has a DC output (UN-regulated, UN-filtered) from 0-30 volts at up to 5 amps It has an AC output (UN-regulated, UN-filtered) of 0-40V at up to 5 amps Intended for applications where high voltage variance and fluctuations can be tolerated Meter displays the average voltage -peak voltages are higher