R911274121 is part of the DKR Drive Controllers Series by Indramat Drives.
Use: Control and Monitor AC electrical motors Interface: RS-232 serial interface Status Display: H1 status display Built-in Power Supply: Yes Rated Current Requirement: 200 A Operating Supply Voltage: AC 3 × 400 – 480 V Drive Configuration: 4/8 kHz drive Drive Power Voltage: 0 – 380 V System Frequency: 800/1600 Hz Drive Current Requirement: 120/95 A Continuous Power Delivery: 47/37 kW Plug-in Slots: 5 Interface Slot U1: SERCOS Feedback: Digital Servo and Resolver Software: Firmware Module ESM 02.3 Housing Protection Category: IP 20 Maximum Operating Altitude: 1000 m/sea level Maximum Temperature: +55 degree Celsius with derating