R911338051 is part of the HCS Compact Converters / Drive Controllers Series by Indramat Drives.
Specs
Drive Controller Size: Small Operating Temperature: 0 to +40 degree Celsius Master Communication: SERCOS III Power Source: 3 x AC 200 to 500 V Maximum Current Consumption: 8 A Cooling Method: Internally cooled through blowing air Safety Rating: IP20 Firmware: Not included Worldwide Delivery: Yes Identification: Type code on nameplate attached to housing