R911343837 is part of the HCS Compact Converters / Drive Controllers Series by Indramat Drives.
Specs
Control Section: Advanced Construction: Sturdy Maximum Input Current: 3 A IP Rating: IP20 Cooling Method: Ambient Air Communication Module: Sercos Master Interface 1: Multi Encoder Interface 2: CANopen Power Supply: 3-phase AC 110-230 V (10 percent tolerance) Feed Current Frequency: 50-60 Hz