R911339833 is part of the HCS Compact Converters / Drive Controllers Series by Indramat Drives.
Specs
Product Type: Drive Converter Interface: Multi-encoder Interface Voltage Rating: 5V and 12V EMC: Category C3 per EN 61800-3 Cooling Method: Internal Airflow Communication Module: Multi-Ethernet Master Communication Module IP Rating: IP 20 Maximum Current Rating: 54A AC Mains Voltage: 3-phase, 200V-500V Firmware: Supported, order separately.