R911272544 is part of the DDS Drive Controllers Series by Indramat Drives.
Modular Design: Yes Number of Slots: 5 (U1, U2, U3, U4, U5) Size Slot U1: Usually used for command communication module Size Slot U2-U4: Usually used for auxiliary modules Size Slot U5: Reserved for the software module Rated Current: 50 Amperes Motor Feedback system: DSF motor feedback system Power Source: Regulated supply units (24 V) from Indramat Cooling Method: Heat technology (air cooling) Requires Control Cabinet: Yes Air Conditioning Required: May be necessary depending on temperature