Product Overview
Product Overview
Technical specifications for 6RA7081-6DS22-0 Manufacturer Siemens Product Type Single-quadrant DC drive converter with microprocessor control Product Line SIMOREG Part Number 6RA7081-6DS22-0 Weight 14.56 lbs (6.61 kg) 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) Output Current (Continuous) 400 A (base rating); 276 A (US derated rating at 485 V DC) Field Supply Input Voltage 400 V AC (isolated for external excitation) Field Output Current (DC) 32 A (max, for motor field winding excitation) Rectifier Configuration B6C bridge (3-phase thyristor-based, non-regenerative) Cooling Method Forced-air cooling with integrated fans Overload Capacity 150% for 60 seconds (thermal limits) Protection Features Overcurrent, overtemperature, phase loss, short-circuit, and undervoltage monitoring Operating Temperature Range 0°C to 40°C (derating above 40°C) Field Supply – Output Appr
Condition
This item is new surplus inventory and has never been installed in an industrial environment. Original manufacturer packaging may not be available. The unit may show minor shelf wear from storage or handling. Backed by a 2-Year warranty, this component is ready for industrial use, spare inventory, system expansion, and replacement applications.
