Tdk lambda dpp series din rail power supply tdk lambda dpp120 48 at 64 x 125 x 124mm tdk lambdas dpp120 48 din rail psu is compact and offers a single 120w 48v dc 25a output from a universal 90 to 132 186 to 264v ac 210 to 375v dc 1 phase inputthe output voltage can be adjusted approx plusmn10 via the power supplys front potentiometer for higher power operation two power supplies can be connected in parallelthe power supply features a low ripple and noise of 50mv or less and a