R911286920 is part of the NFD Mains Filters Series by Indramat Drives.
Specs
Variant Code: 1 Nominal AC Voltage: 480 Volts Continuous Current: 55 Amperes Line: 3 Rated Current: Max. at 50 degrees C Environment Temperature Range: -25 degrees C to 100 degrees C Power Dissipation: 25.9 Watts Weight: 2 kg Width: 90 mm Height: 220 mm Depth: 105 mm Protection Class: IP 20 PWM Frequencies: 4 kHz, 8 kHz, 12 kHz, 16 kHz