R911388876 is part of the HCS Compact Converters / Drive Controllers Series by Indramat Drives.
Specs
Product Type: Drive Converter Communication Module: Multi-Ethernet Protection Class: IP 20 Operating Voltage: 200V - 500V Switching Frequencies: 4kHz, 8kHz, 12kHz, 16kHz Maximum Current Rating: 18A Control Sections Compatibility: Bosch Rexroth BASIC range I/O Extension Module: Digital/analog Installation: Within a control cabinet Cooling System: Internal cooling air system Mounting Type: G1 Heat Generation Prevention: Yes