Tdk lambda din rail power supply dpp 240 48 3 48vdc 5a 240w 3 phase tdk lambda dpp 240 48 3 p the tdk lambda dpp240 48 3 is an exceptionally compact power supply housed in a sturdy plastic casing the power supply is flexible for use worldwide without switchover through a wide voltage range p p the power supply unit offers a single 240w 48v dc 5a output from a universal 340 575v ac 480 820v dc 3 phase input the output voltage can be adjusted approx plusmn 10 via the power supp