Ea elektro automatik ea ps 2000 80160w single output variable dc power supplies ea elektro automatik 39 200 102 this 80w single output variable dc psu 32v 25a from ea elektro automatik is particularly suitable for use in schools and training institutes as the unit doesnt have any ventilation openings on the top and bottom side nor external heat sinks manufactured to a high standard offering high reliability under extreme conditions via the automatic transformer switch over power mos f