R911264385 is part of the DDS Drive Controllers Series by Indramat Drives.
Product Category: AC Motor Drive Controller Rated Current: 50 A Power Supply: 24 VDC regulated Feedback Type: Resolver Dissipated Power Rating: 500 mA Protection Standard: IP10 Operational Temperature Range: 0 - +45 degrees Celsius Communication Interface: SERCOS Maximum Temperature: +55 degrees Celsius