R911281512 is part of the DKR Drive Controllers Series by Indramat Drives.
Power Source: AC mains 3xAC 400V to 480V, ± 10% System Frequency: 50Hz to 60Hz Ambient Temperature: +5° to +45° C Elevation: 0 to 1000 m Cooling Method: Built in heat sink or cooling vent Heat Dissipation: 2/3 heat evaporated when cooled with air vents Mains Contractor: Yes Emergency Shutdown System: Yes