R911278616 is part of the DDS Drive Controllers Series by Indramat Drives.
Compatible Servo Motors: MKD, LAR, LAF, 1MB, and MBW Mounting: Within Control Cabinet IP Rating: IP10 Cooling Method: Heat Technology Required DC Bus Voltage: 300V (±15%) Current Rating: 100A Firmware: Ordered separately Ambient Temperature: 0°C to 45°C Maximum Relative Humidity: 95%