R911387472 is part of the HCS Compact Converters / Drive Controllers Series by Indramat Drives.
Specs
Product Name: Rexroth IndraDrive Drive Converter Product Type: Drive Converter Ethernet-based Interfaces: Sercos III, PROFINET IO, EtherNet/IP, EtherCat Mains Voltage: Three-phase AC 200V-500V Encoder Systems Supply Voltages: 5V and 12V Cooling System: Internal cooling within control cabinet Mounting: Control cabinet Ingress Protection Rating: IP 20 according to EN 60529.