R911203287 is part of the RD51 Drive Control Devices Series by Indramat Drives.
Specs
Producer: Rexroth Indramat Application: Control of synchronous and induction servo motors Overload Capability: 200% for 0.5 seconds, 170% for 1 second Nominal Converting Voltage Range: 380 to 480 volts Rated Power Output: 55 kilowatts Quality Standards: International quality standards