R911376544 is part of the HCS Compact Converters / Drive Controllers Series by Indramat Drives.
Specs
Product Class: Rexroth IndraDrive Cs Application: Industrial usage Suitable Environment: Control cabinets Main Connection Voltage: 3 x AC 110 to 230 Volts Ambient Operating Temperature: 0° C to 40° C Relative Humidity: 5% to 95% Risk at High Temperatures: Overheating and potential damage Risk at Low Temperatures: Reduced responsiveness and performance Risk at Incorrect Humidity Levels: Moisture buildup and electrical short-circuits