... output core of DYY-12, high output power,high capability of load,high precision of ... constant voltage,constant electric current and constant power can be converted into one another to ... 220V±10% (50Hz±2%);Input power :about 600 VA;Output voltage: (10 -3000)V, (Increase or decrease: 1V ... /step);Output current: (4 -400)mA, (Increase or decrease: 1mA/step);Output power: ...