R911281291 is part of the DKR Drive Controllers Series by Indramat Drives.
Main Switch: Integrated Control Cabinet: Prewired Cooling System: Integrated Power Supply: Three Phase 400/480 Volts AC Plug-in Modules: Optional Analog Command Interface Card Slot: U1 Software Module Slot: U5 Firmware: Ordered Separately Empty Slots: Three Function Numeric Code and Version: 01 Rated Output: 600 Amps Features: Digital Servo, Resolver Feedback, Cooling Blower Brake Chopper Support: No Maximum DC Bus Voltage: 850 Volts DC Ambient Temperature Range: 0 to 40 degrees Celsius Relative Humidity: Not To Exceed 90% Protection Rating (Electronics Room) : IP54 Protection Rating (Cooling Air Room) : IP21 Storage Temperature: -25 to 70 degrees Celsius Temperature Deviation: Not More Than 20 K per Hour Global Shipping: Yes