R911285780 is part of the DDS Drive Controllers Series by Indramat Drives.
Product Type: Drive Controller Communication module: SERCOS Peak Current: 200 A Operating Voltage: 24 V Operating Temperature: 0 to +45 degrees Celsius Storage Temperature: -30 to 85 degrees Celsius Cooling method: Air (control cabinet) Protection rating: IP20 Maximum Relative Air Humidity: 90% DC Bus Voltage: 300 volts Compliance: EMC Use environment: Non-explosive areas Firmware: Not included