R911273645 is part of the DDS Drive Controllers Series by Indramat Drives.
Product Type: Drive Controller Protection Category: IP20 Interface Module: ANALOG (DAA01.1) Number of Slots: 5 Empty Slots: U2, U3, U4 Firmware Module Slot: DSM02.1 in U5 Operating Temperature Range: 0 to +45 degree Celsius Maximum Temperature Range: +55 degree Celsius with 20% derating Maximum Current: 50 A Cooling: Ambient Air Servo Feedback: Digital Power Source: 15 V or 24 V dc Maximum Installation Altitude: 1000 meters above sea level.