The Siemens 1FK7063-5AF71-1AA0 is part of the SIMOTICS S 1FK7 compact servo motor family, optimized for dynamic, high-precision servo axes in machine tools, packaging machines, handling systems, and other demanding applications. As a 1FK7063 size motor (63 mm shaft height, compact length), it provides a balance of torque and speed within a small mechanical envelope, making it ideal for space‑constrained machines that still require strong servo performance.
Other 1FK7063‑5AF71‑1xA0 variants are specified at around 2.3 kW continuous power, 11 Nm rated torque, 3000 rpm rated speed, and about 5.6 A rated current, which gives a good reference for what this 1AA0 version typically delivers in terms of performance class. The motor is a 3‑phase permanent‑magnet synchronous design, which provides high overload capacity, low inertia, and excellent positioning accuracy when used with SINAMICS S120 or similar Siemens drives. Typical versions feature a smooth shaft, flange mounting (IM B5 style), IP64 protection, and an integrated encoder with DRIVE‑CLiQ interface, although the exact encoder and brake configuration depend on the detailed order code (1AA0 normally indicates a basic configuration without special options).
The 1FK7 design focuses on high power density, meaning more torque and power in a smaller motor size compared to older servo series, and supports high dynamic cycles with short acceleration and deceleration times. When paired with a matching SINAMICS S120 Motor Module (for example 6SL3120‑… modules), the motor can achieve very smooth speed control, tight position loops, and coordinated multi‑axis movement. This makes it a common choice for OEMs and maintenance engineers as a replacement motor in existing Siemens-based servo systems.
Because reseller listings usually treat 1FK7063‑5AF71‑1AA0 as equivalent to catalog code 1FK70635AF711AA0, you can rely on the standard Siemens documentation for that catalog number for detailed electrical and mechanical data (torque curves, moments of inertia, thermal limits, etc.). Many suppliers offer the motor new, used, or refurbished with functional testing and warranty, positioning it as a cost‑effective drop‑in spare for existing machines.
Specifications Table
Exact values vary slightly by catalog revision; use Siemens datasheet for final design. The values below are typical for 1FK7063‑5AF71‑1xA0 class motors.
