1)Power :0~30 V 2)Current : 0~ 3A or 0~ 5A 3)Dimensions :285x128x145 ... DC Switching Power Supplyhigh stability, high effeciency,dual indication, for V and A,current limiting and shorting protection PS-303D+ AC ... DC Switching Power Supplyhigh stability, high effeciency,dual indication, for V and A,current limiting and shorting protection Minimum Order Quantity ...