R911283305 is part of the DKR Drive Controllers Series by Indramat Drives.
Cooling Mode: Air circulation through inbuilt blower Rated Current: 300A System Frequency: 50Hz to 60Hz Heat Dissipation: 1,800W Integrated Mains Contactor: Yes Command Interface Card: Included Feedback: Digital servo and resolver Firmware: Required (not included) Shipping: Available worldwide Accessories: Lifting and moving tools (not included)