Ea elektro automatik microprocessor controlled laboratory bench psu ea ps 5000 ea elektro automatik 05100300 the ea elektro automatik ea ps 5040 10a is a programmable laboratory dc bench power supply rated at 0 to 40v 0 to 10a 160w this power supply offers a set of useful standard features which can facilitate operation set values actual values and status are clearly displayed at the same time on the blue illuminated lcd in order to view them at one glance this adjustable desk top p