R911396749 is part of the HCS Compact Converters / Drive Controllers Series by Indramat Drives.
Specs
Communication module: Multi-Ethernet Power Supply: Three-phase, 200-500 V AC Maximum Current Rating: 54 A Output Current Rating: 21 A Protection Type: IP20 Dust Resistant Temperature Threshold: +55 degrees Celsius (Degraded Performance) Frequency: 50/60 Hz (2% Tolerance) Relative Humidity: Less than 95% Cooling System: Built-in Air Blower Encoder Interface: Multi Encoder Rated Output Current: 28 A Storage Temperature: -25 to +70 degrees Celsius Weight: 4.60 kg Maintenance: Maintenance-Free Protective Sensors: High Voltage and Current Resistance.