R911331028 is part of the HCS Compact Converters / Drive Controllers Series by Indramat Drives.
Specs
Product: Bosch Rexroth IndraDrive Cs Drive Converter Master Communication Module: sercos III and EtherCAT field bus systems Control Sections: ECONOMY range Size: Compact Cooling System: Internal within control cabinet Category: C3 per IEC 61800-3 Switching Frequencies: 4kHz, 8kHz, 12kHz, 16kHz Insulation Resistance: 10.00 MOhm at 500V DC Ingress Protection Rating: IP 20 Control Panel: Standard Firmware: To be ordered separately.