R911378134 is part of the HCS Compact Converters / Drive Controllers Series by Indramat Drives.
Specs
Type: HCS Drive Controller Maximum Output: 54 Amps Input: Three-phase AC, 200 to 500 Volts AC Protection Class: IP20 Mounting: Cabinet (rear, right, or left side) Communication: Multi-Ethernet Encoder Interface: Multi-encoder Features: Encoder Emulation, Safe Torque Off Control Panel: Standard Installation/Operation: Qualified Personnel Only