R911291271 is part of the DKR Drive Controllers Series by Indramat Drives.
Product Type: Drive Control Unit Power Efficiency: Optimized power consumption Regenerative Mode Available: Yes Motor Speed Control: Yes Brake Resistor: Built-in Mains Connection: Direct connect capability AC Power Supply Voltage: 400 V to 480 V Heat Sink: Built-in Shipping: Global Product Specific Role Adaptability: Through plug-in modules