Siemens 1FK7105-5AF71-1DG3 Synchronous Servo Motor

The Siemens 1FK7105-5AF71-1DG3 (1FK7105-5AF71-1DG3) is a high-performance synchronous servo motor designed for precise rotary motion control in industrial drive systems. Operating within the Siemens SIMOTICS S-1FK7 motor family, this unit is engineered for operation with SINAMICS S120 drive systems and compatible converter architectures, providing dynamic positioning, constant torque delivery, and reliable speed regulation. It serves as an essential actuator for motion-critical applications such as CNC machine tool axes, packaging automation lines, handling machinery, and industrial robotics. Constructed for demanding factory environments, the motor delivers consistent performance under variable operational loads. It integrates dedicated power and encoder connections to interface seamlessly with modern digital closed-loop control systems, facilitating real-time feedback and high operational repeatability. With a net weight of approximately 10 kg, the 1FK7105-5AF71-1DG3 offers a compact yet robust frame optimized for straightforward mounting and thermal dissipation. It is suitable for new automation deployments as well as direct drop-in replacement during maintenance, overhaul, or scheduled servicing, ensuring minimal downtime and preserving existing machine tuning.