R911266525 is part of the DDS Drive Controllers Series by Indramat Drives.
Cooling Method: External Air Voltage: DC 300 VDC (Tolerance 15%) Rated Current: 100 A Peak Current: 100 A Servo Feedback: Digital Communication module: SERCOS Interface Net Weight: 11 Kg Operating Temperature: 0°C to +45°C Storage Temperature: -30°C to +85°C Relative Humidity: Less than 95% (Absolute 25 g/m3) Protection Standard: IP20 Transportation Method: Worldwide Delivery Accessories: User Manual and Necessary Parts.