R911326644 is part of the HNL Mains Chokes Series by Indramat Drives.
Specs
Choke Type: Type A Current: 20 Amps Power Dissipation: 60 Watts Nominal Inductance: 3 x 1000 microhenry Weight: 3.8 kilograms Dimensions (HxWxD): 184mm x 150mm x 66.5mm Supply System: Rectifier Protection Category: IP 10 Voltage: 400 to 500 Volts AC Frequency: 50 / 60 Hertz