R911378831 is part of the HCS Compact Converters / Drive Controllers Series by Indramat Drives.
Specs
Insulation resistance: 10 Mohms at 500 V DC Weight: 4.60 kilograms Location requirement: Place with adequate airflow Orientation for installation: G1 Interface 1: Multi encoder interface Interface 3: STO (Safe Torque Off) and SBC (Safe Brake Control) Maximum Input current: 54 A Power supply: three-phase AC 110-230 V Interface 2: Vacant Maximum output current rating: 21 A Frequency of feed current: 50-60 hertz Connection module: multi-ethernet Industrial usage: Yes IP Rating: IP20 Customization requirement: Yes