R911333501 is part of the HCS Compact Converters / Drive Controllers Series by Indramat Drives.
Specs
Product Type: Industrial Converter Use: Control of synchronous and induction motors Function: Converts DC to AC Housing: Modular, IP20 protection class Integration: Direct integration into the servo system Connection Method: Power cable and motor feedback cable Additional Connection: Communication cable for higher-level controller Control Panel: One-line display and pressure-sensitive keys Compatibility: Specific machines only Firmware: Not supplied, ordered separately.