R911271583 is part of the DDS Drive Controllers Series by Indramat Drives.
Rack Design: Modular Firmware: Ordered Separately DC Bus Voltage: 300 Volts DC Rated Output: 150 Amps Cooling Method: Convection Ambient Temperature Range: 0 to 45 degrees Celsius Maximum Ambient Temperature: 55 degrees Celsius (with derated data) Storage and Transport Temperature Range: -30 to 85 degrees Celsius Command Communication Module: Analog Motor Feedback: Integrated Digital Server Feedback Protection Category: IP20 Weight: Approximately 7.5 kilograms Installation and Operation Personnel: Qualified Only.