Description
Siemens SIMOTICS S-1FT2 High Dynamic Servo Motor – 1FT2108-4AC
The Siemens 1FT2108-4AC is a SIMOTICS S-1FT2 High Dynamic permanent-magnet synchronous servo motor engineered for demanding CNC machine tools and industrial automation applications. Designed for SINAMICS S120 and compatible SINAMICS S210 systems, it provides high torque density, precise positioning, and reliable continuous-duty performance. The motor features natural cooling and is available with DRIVE-CLiQ or OCC connection variants depending on the configured model.
Key Specifications
| Specification | Value |
|---|---|
| Product Series | SIMOTICS S-1FT2 High Dynamic |
| Part Number | 1FT2108-4AC |
| Motor Type | Permanent Magnet Synchronous Servo Motor |
| Rated Power | 4.3 kW (380–480 V) / 2.45 kW (200–240 V) |
| Rated Speed | 2000 rpm (380–480 V) / 1000 rpm (200–240 V) |
| Rated Torque | 20.5 Nm (380–480 V) |
| Static Torque | 25 Nm |
| Maximum Torque | 87 Nm |
| Maximum Speed | 5600 rpm |
| Rated Current | 12.8 A |
| Maximum Current | 77 A |
| Cooling Method | Natural Cooling |
| Signal Connector | M17 (DRIVE-CLiQ variant) |
| Power Connector | M23 |
| Shaft Height | 80 mm |
| Weight | Approx. 17 kg (without brake) |
| Protection Class | IP64/IP65 (configuration dependent) |
The exact interface (DRIVE-CLiQ or OCC), encoder, brake, and protection class depend on the complete configured article number.
Features
- SIMOTICS S-1FT2 High Dynamic servo motor
- Permanent magnet synchronous technology
- High torque density for demanding motion applications
- Excellent positioning accuracy and dynamic response
- Natural cooling for maintenance-free operation
- Compact, rugged industrial design
- Optimized for Siemens SINAMICS servo drive systems
- Suitable for continuous-duty CNC applications
Applications
- CNC Milling Machines
- CNC Lathes
- Machining Centers
- Robotics
- Packaging Machinery
- Material Handling Systems
- Printing Equipment
- Precision Industrial Automation