R911203576 is part of the RD51 Drive Control Devices Series by Indramat Drives.
Specs
Power Source: 3-phase AC 380 to 480 V Input Voltage Frequency: 50 – 60 Hz Rated Power: 50 kVA Output Frequency Range: 0 – 1000 Hz Nominal Current: 66 A Continuous Output: 41 kVA Additional Features: Built-in brake resistor and brake chopper Protection Category: IP20 Cooling Method: Connection cooler Minimum Clearance for Installation: 100 mm at the top and bottom