SEW's inverters MDX61B0450-503-4-0T Input parameters: the rated voltage is three-phase AC 380 - 500V, the power supply frequency is 50 - 60Hz, the input rated current is AC 3.6A - 5.0A - 6.3A - 8.6A (corresponding to different working conditions), and AC 4.5A - 6.2A - 7.9A