Description
Product Description
The Siemens 1FT7086-5SC7X-1XXX is a high-performance SIMOTICS S-1FT7 permanent magnet synchronous servo motor designed for demanding industrial motion control applications requiring high torque, precision positioning, and reliable continuous-duty operation. Engineered for seamless integration with Siemens SINAMICS S120 servo drive systems via the DRIVE-CLiQ interface, this forced-ventilated servo motor delivers excellent dynamic response, high overload capacity, and outstanding energy efficiency for CNC machine tools, robotics, rotary tables, metalworking machinery, packaging equipment, and automated manufacturing systems.
Operating at a rated speed of 3,000 RPM, the 1FT7086-5SC7X-1XXX delivers an optimum output power of 9.10 kW, 25 Nm rated torque (100 K), and 36 Nm stall torque (100 K). The motor is capable of producing up to 120 Nm maximum torque while supporting a maximum mechanical speed of 8,000 RPM, making it ideal for applications requiring rapid acceleration, precise positioning, and continuous high-load operation. Forced ventilation provides efficient heat dissipation for sustained industrial use.
The 1FT7086-5SC7X-1XXX family includes multiple MLFB variants with various encoder technologies, shaft configurations (plain shaft or fitted key), optional holding brakes, connector orientations, vibration grades, and protection classes. All models feature IM B5 flange mounting, integrated motor temperature monitoring, and DRIVE-CLiQ digital communication for simplified commissioning and diagnostics.
Key Features
- Genuine Siemens SIMOTICS S-1FT7 synchronous servo motor
- Permanent magnet synchronous motor technology
- Optimized for Siemens SINAMICS S120 servo drive systems
- Forced ventilation cooling
- Optimum output power: 9.10 kW
- Rated speed: 3,000 RPM
- Rated torque: 25 Nm
- Stall torque (100 K): 36 Nm
- Maximum torque: 120 Nm
- Maximum mechanical speed: 8,000 RPM
- High efficiency (approximately 93%)
- DRIVE-CLiQ digital encoder interface
- High torque density with low rotor inertia
- Incremental, single-turn absolute, and multiturn absolute encoder options
- Plain shaft or fitted key shaft options
- Optional holding brake
- IM B5 flange mounting
- Integrated Pt1000 temperature monitoring
- IP64 / IP65 / IP67 protection (variant dependent)
Technical Specifications
| Specification | Details |
|---|---|
| Product Family | SIMOTICS S-1FT7 |
| Part Number | 1FT7086-5SC7X-1XXX |
| Motor Type | Permanent Magnet Synchronous Servo Motor |
| Cooling Method | Forced Ventilation |
| Optimum Output Power | 9.10 kW |
| Rated Speed | 3,000 RPM |
| Optimum Speed | 3,000 RPM |
| Rated Torque (100 K) | 25 Nm |
| Stall Torque (100 K) | 36 Nm |
| Stall Torque (60 K) | 30 Nm |
| Maximum Torque | 120 Nm |
| Rated Current | 25 A |
| Stall Current (100 K) | 34 A |
| Stall Current (60 K) | 28 A |
| Maximum Current | 131 A |
| Maximum Mechanical Speed | 8,000 RPM |
| Maximum Converter Speed | 8,000 RPM |
| Rated Converter Current | 45 A |
| Maximum Converter Current | 85 A |
| Maximum Converter Torque | 85 Nm |
| Number of Poles | 10 |
| Efficiency | 93% |
| Torque Constant | 1.05 Nm/A |
| Voltage Constant | 67 V/1000 RPM |
| Winding Resistance | 0.09 Ω |
| Rotating Field Inductance | 1.4 mH |
| Electrical Time Constant | 16 ms |
| Mechanical Time Constant | 1.5 ms |
| Thermal Time Constant | 40 min |
| Rotor Moment of Inertia | 64 × 10⁻⁴ kg·m² |
| Rotor Inertia (with Brake) | 79 × 10⁻⁴ kg·m² |
| Motor Weight | 32 kg |
| Encoder Interface | DRIVE-CLiQ |
| Encoder Options | Incremental, Single-turn Absolute, Multiturn Absolute |
| Shaft Options | Plain Shaft or Fitted Key |
| Holding Brake | Optional Permanent-Magnet Brake |
| Mounting Arrangement | IM B5 Flange |
| Temperature Monitoring | Integrated Pt1000 Temperature Sensor |
| Protection Class | IP64 / IP65 / IP67 (variant dependent) |
| Compatible Drives | Siemens SINAMICS S120 |
| Manufacturer | Siemens |
Technical specifications may vary depending on the selected encoder, shaft configuration, brake option, connector orientation, and complete Siemens MLFB ordering code.
Applications
- CNC Machine Tools
- Industrial Robotics
- Metal Processing Machinery
- Rotary Tables
- Packaging Machinery
- Printing Equipment
- Material Handling Systems
- Semiconductor Manufacturing
- Automated Production Lines
- High-Precision Motion Control




