R911265338 is part of the DDS Drive Controllers Series by Indramat Drives.
Product Name: Bosch Rexroth DDS Drive System Version: 2 Rated Current: 50A DC bus voltage: 300V (+/-15%) Module: SERCOS Information Exchange: Fiber optic cable Heat Technology: Heat dissipation within control cabinet Motor Feedback Options: Digital Servo Feedback, Resolver Feedback Ingress Protection: IP 20 Control Cabinet IP Rating: IP 10 Operating Temperature Range: 0°C to 45°C Maximum Elevation: 1000m