R911281348 is part of the DDS Drive Controllers Series by Indramat Drives.
Product: Bosch Rexroth DDS drive controller Feedback: Digital servo feedback or resolver feedback Rated current: 50A Supply voltage DC 24 V: Compatible with all Indramat supply units Communication Module: SERCOS interface Cooling: Heat Technology Installation altitude: Up to 1000m above sea level Maximum ambient temperature: 40°C Relative humidity: 95% Connection voltage: Between 5V and 30V.