R911257038 is part of the DDS Drive Controllers Series by Indramat Drives.
Standard Design: American standard DC-Link Voltage: 24 VDC or ±15 VDC Rated Power: 25 A Cooling System: external air Interface Card Slot: U1 slot with ANALOG command communication card Part of System: Digital intelligent drive system Feedback Method: Resolver feedback Customizable: Yes with plug-in modules in U1 to U5 slots Allowable Operating Temperature: +45 degree Celsius Max Installation Altitude: 1000 meters above sea level