R911279489 is part of the DKR Drive Controllers Series by Indramat Drives.
Operating Voltage: 3-phase AC 3 × 400 to 480V Control Voltage: AC 230V ±10% Frequency: 50 to 60 Hz Drive Controller Current (4 kHz): 71 A Drive Controller Current (8 kHz): 60 A Continuous Power (4 kHz): 26 kW Continuous Power (8 kHz): 22 kW Peak Current: 71 A Peak Power: 26 kW Continuous Regenerated Power: 22 kW Maximum Frequency (4 kHz): 800 Hz Maximum Frequency (8 kHz): 1600 Hz Heat Dissipation Constant Current: 900 W Heat Dissipation Air Channel: 600 W Protection Class: IP20 Cooling Mechanism: Built-in Blower Weight: 49 kg Bleeder Resistor: Not Included Command Communication: SERCOS Interface Motor Feedback: Digital Servo and Resolver Feedback Numeric Control Function: 79 Basic Unit: DKR03.1-W100-B Plug-in Boxes Slots: 5 Interfaces Used: U1 to U4 Software Module Slot: U5