Tdk lambda dpp series din rail power supply tdk lambda dpp480 24 1 at 175 x 125 x 97mm tdk lambdas dpp480 24 1 din rail psu is compact and offers a single 480w 24v dc 20a output from a universal from 90 to 264v ac without the need for pre selecting the ac input range in addition this unit will operate from a dc input ranging from 120 to 375v dcthe power supply features a low ripple and noise of 50mv or less and are protected against over current and over voltage conditions in addition t