R911394480 is part of the HCS Compact Converters / Drive Controllers Series by Indramat Drives.
Specs
Product: Industrial Control Device Function: Control synchronous and induction motors Protection: High level industrial housing unit Interface: 18-bit analogue and 8 digital input Additional Feature: Winding short circuit at motor output Chemical Free: Yes Control Panel: Simple and straightforward Leakage Current: Up to 95% Installation Requirement: Secure grounding Maximum Permissible Height: 1000 meters above sea level