R911200794 is part of the RD51 Drive Control Devices Series by Indramat Drives.
Specs
Type: Drive Converter Operation: 3-phase AC 380 - 480 V Brading Chopper: Included Cooling: Forced Ventilation Standby Power Supply: 24V Maximum Humidity for Operation: 90% Maximum Operation Height: 1000 meters Enclosure: IP20 Recommended Motor Output: 90 kW