R911272075 is part of the DDS Drive Controllers Series by Indramat Drives.
Design: Modular Feedback System: Resolver feedback or digital servo feedback Maximum Peak Current: 100A DC Bus Voltage: 300V (+/-15%) Power Supply: DC 24V Communication Interface: SERCOS Ambient Operating Temperature: Up to 40°C Relative Humidity: Up to 95% Installation Height: Up to 1000m above sea level Heat Dissipation: Within the control cabinet Protection Rating: IP 10