R911289831 is part of the RD51 Drive Control Devices Series by Indramat Drives.
Specs
Protection Category: IP20 Cooling System: Air blower and heatsink Rated Voltage: 380 to 480 volts Power Output: Up to 4.5 kilowatts Certification: Meets international quality standards Error Detection: Self-diagnostic Connections: Power cable and motor feedback cable Clearance Between Cables: At least 20 centimeters Shipping: Global availability