R911263386 is part of the NFD Mains Filters Series by Indramat Drives.
Product: Mains Filter Power Supply: Three-phase AC 440 V Frequency: 50/60 Hz Nominal Current: 25 A Operating Temperature: 0 to +40 degree Celsius Relative Humidity: Up to 90% EMC Compliance: Yes Design: Compact, for minimum space usage Maximum Operating Height: 1000 meters/sea level Cooling Method: Natural convection Installation: Should be installed in a control cabinet Ventilation: Sufficient air passage if installed in a group