R911271157 is part of the DDS Drive Controllers Series by Indramat Drives.
Input Voltage: 24 Volts DC Rated Output: 30 Amps Max Ambient Temperature: 45 Degrees Celsius Max Elevation: 1000 meters Max Relative Humidity: 95% Max Absolute Humidity: 25 g/m3 Protection Category: IP20 Device Type: Modular Number of Slots: 5 Communication Module: Analog Firmware: Separate order required Heat Dissipation: Yes, inside cabinet Feedback System: Resolver Mounting Position: Vertical Dimensions: 355 x 235 x 70 mm Weight: 5.5 kg Power Supply Requirement: Regulated DC output.