R911272077 is part of the DDS Drive Controllers Series by Indramat Drives.
Product Type: DDS Drive Controllers Design: Modular Communication: SERCOS Plugin Module Construction: Compact Mounting: Control Cabinet Rated Current: 100A DC Bus Voltage: 300V (+/- 15%) Operating Temperature: 0°C to 45°C Maximum Relative Humidity: 95% Protection Category: IP 10 according to DIN 40 050 Weight: 7.5kg.