R911257135 is part of the DDS Drive Controllers Series by Indramat Drives.
Product Type: DDS Drive Controllers Modular Design: Yes Compatibility: MDD, MKD, LAR AC motors Motor Feedback: Digital Servo Feedback Module: Single-axis Positioning Control Module Firmware: Available in plugin and software modules Connection Voltage Range: 5V to 30V Cooling Method: Heat Technology Mounting: In a large control cabinet Ambient Temperature for Operation: 40°C Installation Height: Max 1000m above sea level Relative Humidity: 95% Protection Rating: IP 20