R911241257 is part of the KDS Servo Drives Series by Indramat Drives.
Type: Servo Drive Module Type Current: 50 A Link Circuit Rated Voltage: DC 300 V Cooling Method: Natural Convection Connection Voltage: 220 V Custom Design: S102 Compatible with: MAC Motors 80 to 160 Mounting Requirement: Away from Heat Emitting Components Additional Mounting Information: Requires a Mounting Frame Heatsink: External, Built-On Technology: Cold-Running Suitable for: MAC Three-Phase Drive Control Unit