Ea elektro automatik ea ps 800r wall mount power supplies ea elektro automatik 21540107 the ea elektro automatik 880 40r wall mounted microprocessor controlled power supplies feature over voltage ovp and over temperature otp protection the devices have a remote sensor input from the supplied device allowing automatic compensation for any supply lead losses up to 2v their flexible and powerful regulated output stage reduces the output voltage at high output current so that the maximum o