R911280031 is part of the HVE Power Supply Units Series by Indramat Power Supplies.
Application: Operates drive controller in drive system Function: Provides DC bus voltage in case of mains failure Storage Temperature: -30 to 85 degrees Operating Temperature: 5 to 45 degrees Humidity: 95% Installation Altitude: Up to 1000 meters Input Voltage: 3 x 380 ... 480 V Frequency: 50/60 Hz Power Input Capacity: 500 VA max Protection Class: IP 10 Cooling: Requires air cooling system Combine with: Can be combined with CD bus choke GLD