R911261254 is part of the DDS Drive Controllers Series by Indramat Drives.
Generation: Second Generation Design: Modular Equipped Interface: DSS SERCOS Plugin Module Module Slots: Five (U1 - U5) Max Current: 100 A Power Dissipation: 97 Watts Bus Voltage: DC 300 V Heat management: Heat dissipation outside housing Firmware Requirements: Must be purchased separately Work Regulations: Only qualified personnel allowed to operate