Description
Product Description
The Siemens 1FT7108-5AB7X-1XXX belongs to the SIMOTICS S-1FT7 family of permanent magnet synchronous servo motors, developed for demanding motion control applications requiring high torque, exceptional dynamic response, and precise positioning. Designed for seamless operation with Siemens SINAMICS S120 servo drive systems, this motor family is ideal for CNC machine tools, industrial robotics, material handling systems, packaging machinery, printing presses, woodworking equipment, and other high-performance automation applications.
The 1FT7108-5AB7X-1XXX series delivers 9.60 kW rated output power at 1,500 RPM, producing 61 Nm rated torque and 70 Nm stall torque (100 K). The motors feature a permanent magnet rotor for excellent efficiency, low inertia, high overload capability, and smooth, accurate speed and position control. Maximum mechanical speed reaches 6,000 RPM, making the series suitable for both continuous-duty and highly dynamic servo applications.
The product family includes multiple MLFB variants with different encoder systems, shaft configurations (plain shaft or fitted key), connector orientations, vibration grades, and optional holding brakes. All models feature natural cooling, IM B5 flange mounting, integrated motor temperature monitoring, and DRIVE-CLiQ communication for simplified commissioning and diagnostics with SINAMICS S120 drives. The exact configuration depends on the complete Siemens MLFB ordering number.
Key Features
- Genuine Siemens SIMOTICS S-1FT7 servo motor family
- Permanent magnet synchronous motor technology
- Designed for Siemens SINAMICS S120 drive systems
- Rated output power: 9.60 kW
- Rated speed: 1,500 RPM
- Rated torque: 61 Nm
- Stall torque (100 K): 70 Nm
- Maximum torque: 280 Nm
- Maximum mechanical speed: 6,000 RPM
- High dynamic performance with low rotor inertia
- Natural cooling
- DRIVE-CLiQ encoder interface
- Available with incremental and absolute encoder options
- Plain shaft or keyed shaft configurations
- Optional holding brake
- IM B5 flange mounting
- Rotatable power and signal connectors
- Integrated temperature monitoring
- IP64/IP65 protection (variant dependent)
Technical Specifications
| Specification | Details |
|---|---|
| Product Family | SIMOTICS S-1FT7 |
| Series | 1FT7108-5AB7X-1XXX |
| Motor Type | Permanent Magnet Synchronous Servo Motor |
| Cooling Method | Natural Cooling |
| Rated Power | 9.60 kW |
| Rated Speed | 1,500 RPM |
| Rated Torque | 61 Nm |
| Stall Torque (100 K) | 70 Nm |
| Maximum Torque | 280 Nm |
| Rated Current | 16 A |
| Maximum Current | 87 A |
| Maximum Mechanical Speed | 6,000 RPM |
| Maximum Inverter Speed | 2,390 RPM |
| Number of Poles | 10 |
| Efficiency | 93% |
| Rotor Inertia | Approx. 248–276 kg·cm² (variant dependent) |
| Encoder Interface | DRIVE-CLiQ |
| Encoder Options | Incremental, Single-turn Absolute, Multi-turn Absolute |
| Shaft Options | Plain Shaft or Keyed Shaft |
| Holding Brake | Optional |
| Mounting Arrangement | IM B5 |
| Protection Class | IP64 / IP65 (variant dependent) |
| Temperature Monitoring | Integrated |
| Drive Compatibility | Siemens SINAMICS S120 |
| Manufacturer | Siemens |
Applications
- CNC Machining Centers
- CNC Milling Machines
- CNC Lathes
- Industrial Robotics
- Packaging Machinery
- Material Handling Systems
- Printing & Converting Equipment
- Semiconductor Manufacturing
- Woodworking Machinery
- Textile Machinery
- Automated Assembly Lines
- High-Precision Motion Control Systems




