R911335456 is part of the CSH Advanced Control System Series by Indramat Controls.
Specs
Product: CSH0.1C-PB-ENS-NNN-NNN-S2-S-XP-FW Rexroth Indramat Product: Synchronous Motor Control Device Compatibility: Both Synchronous and Induction Motors Protection: Housing Unit Solid Material Interference Protection: Diameter Higher than 12 millimeters Protection Class: IP54 Display Unit: One-Line Display Input Method: Pressure-Sensitive keys Firmware Module: Not Included Maximum Operating Temperature: 50 degrees Celsius