R911336673 is part of the HCS Compact Converters / Drive Controllers Series by Indramat Drives.
Specs
Construction: Compact Encoder Interface: Multi-encoder Compatibility: HIPERFACE, EnDAT2.1, EnDat2.2, MSM encoder Control Panel: One-line display screen, pressure-sensitive keys Temperature Regulation: Performance-based internal air blower Installation Requirement: Position that allows easy movement of cool air.