Ea elektro automatik ea ps 3000 single output variable dc power units 160320w ea elektro automatik 35320170 this 160w single output variable dc psu 16v 10a from ea elektro automatik is a state of the art power supply which has been given a design that is both closed at the top and bottom and has no external heat sink making it ideal for use in schools and training the output values voltage current and preset values voltage current and ovp are displayed separately while voltage dro