POWER ON DEMANDSPD Series includes a 480 W, 3-phase switching power supply available in 24 and 48 Vdc output voltages, universal input voltages of 340575 Vac and 480820 Vdc and has power factor correction and parallel functions. The DIN-rail power supply has short circuit, overvoltage and overload protection, Power OK and Low Output Voltage diagnostic LEDs and a relay output for a power ready signal.