R911385704 is part of the HCS Compact Converters / Drive Controllers Series by Indramat Drives.
Specs
Slots: Multiple for installing hardware modules SERCOS III: Compatible with 100 Mbps Ethernet Output: Maximum 54 Amps Input voltage: 200 to 500 Volts AC (three-phase) Firmware: Ordered separately Control section: Advanced Cooling method: Convection Working temperature range: 0 to 40 degrees Celsius