Siemens 6RA7081-6DS22-0 DC Master Converter

Input Voltage (3-phase AC): 400 V AC (±10% tolerance)
Input Current (Continuous): 332 A (at full load)
Output Voltage (DC): 485 V DC (adjustable via field weakening)
Field Output Current (DC): 32 A (max, for motor field winding excitation)
Overload Capacity: 150% for 60 seconds (thermal limits)
Operating Temperature Range: 0°C to 40°C (derating above 40°C)
Field Supply – Output: Approximately 325 V at 25 A