R911333331 is part of the HCS Compact Converters / Drive Controllers Series by Indramat Drives.
Specs
Product Family: IndraDrive Cs Supply Voltage: AC 200-500V Maximum Current: 54.0A Control Sections: Compatible with those in BASIC UNIVERSAL range Cooling Method: Forced air cooling Ingress Protection Rating: IP20 Control Panel: Standard, Single-line display with four keys Interference Suppression Category: C3 according to IEC 61800-3