GE Grid Solutions D25User's ManualGE Information 994-0081-3.00-21 129Power Supply CardTable:ChangingPower SupplyField VoltageOutputOptional power supplies equipped with a selection jumper toswitch the field voltage output to or from 24 V or 48 Vdc.Part # Default Field O/P Description521-0143 24 Vdc LVPS: 60 – 150 Vdc / 85 - 135 Vac521-0144 48 Vdc LVPS: 60 – 150 Vdc / 85 - 135 Vac521-0145 24 Vdc HVPS: 150 - 350 Vdc / 187 - 265 Vac521-0146 48 Vdc HVPS: 150 - 350 Vdc / 187 - 265 VacPower SupplyComponentLocations P3 – FieldSupply VoltageSelectorF1 – FieldSupply FuseF2 – PowerInput FuseSW1 – PowerSwitch