Description
Product Description
The Siemens 1FT7066-5AH7X-1XXX is a SIMOTICS S-1FT7 permanent magnet synchronous servo motor engineered for high-speed, high-precision industrial motion control applications. Designed for seamless integration with Siemens SINAMICS S120 servo drive systems through the DRIVE-CLiQ interface, this naturally cooled servo motor delivers excellent dynamic response, high overload capability, and exceptional positioning accuracy. It is ideal for CNC machine tools, robotics, packaging machinery, semiconductor manufacturing, printing systems, and automated production equipment.
Operating at a rated speed of 4,500 RPM, the 1FT7066-5AH7X-1XXX delivers 2.55 kW rated output power, 5.0 Nm rated torque, and 12 Nm stall torque (100 K). The motor can produce up to 49 Nm maximum torque while supporting maximum mechanical speeds up to 9,000 RPM, providing rapid acceleration and precise servo control for demanding applications. Its permanent magnet rotor ensures high efficiency, low inertia, and smooth operation.
The 1FT7066-5AH7X-1XXX product family includes multiple MLFB variants with different encoder systems, shaft configurations (plain shaft or fitted key), optional holding brakes, connector orientations, vibration grades, and protection classes. All variants feature natural cooling, IM B5 flange mounting, integrated temperature monitoring, and DRIVE-CLiQ communication. The exact motor configuration is determined by the complete Siemens MLFB ordering code.
Key Features
- Genuine Siemens SIMOTICS S-1FT7 synchronous servo motor
- Permanent magnet synchronous motor technology
- Optimized for Siemens SINAMICS S120 servo drives
- Rated output power: 2.55 kW
- Rated speed: 4,500 RPM
- Rated torque: 5.0 Nm
- Stall torque (100 K): 12 Nm
- Maximum torque: 49 Nm
- Maximum mechanical speed: 9,000 RPM
- Natural cooling
- DRIVE-CLiQ encoder interface
- Incremental, single-turn absolute, and multiturn absolute encoder options
- Plain shaft or fitted key shaft options
- Optional holding brake
- IM B5 flange mounting
- Rotatable power connector
- Integrated temperature monitoring
- IP64 / IP65 / IP67 protection (variant dependent)
Technical Specifications
| Specification | Details |
|---|---|
| Product Family | SIMOTICS S-1FT7 |
| Part Number | 1FT7066-5AH7X-1XXX |
| Motor Type | Permanent Magnet Synchronous Servo Motor |
| Cooling Method | Natural Cooling |
| Rated Power | 2.55 kW |
| Rated Speed | 4,500 RPM |
| Optimum Speed | 4,000 RPM |
| Rated Torque | 5.0 Nm |
| Stall Torque (100 K) | 12 Nm |
| Stall Torque (60 K) | 10 Nm |
| Maximum Torque | 49 Nm |
| Rated Current | 6.3 A |
| Stall Current (100 K) | 13.6 A |
| Stall Current (60 K) | 11.3 A |
| Maximum Current | 70 A |
| Maximum Mechanical Speed | 9,000 RPM |
| Maximum Converter Speed | 8,000 RPM |
| Number of Poles | 10 |
| Torque Constant | 0.88 Nm/A |
| Voltage Constant | 56 V/1000 RPM |
| Winding Resistance | 0.196 Ω |
| Rotating Field Inductance | 2.3 mH |
| Electrical Time Constant | 12 ms |
| Mechanical Time Constant | 1.2 ms |
| Thermal Time Constant | 40 min |
| Rotor Inertia | 16.4 × 10⁻⁴ kg·m² |
| Rotor Inertia (with Brake) | 19.3 × 10⁻⁴ kg·m² |
| Motor Weight | 12.3 kg |
| Motor Weight (with Brake) | 14.1 kg |
| Encoder Interface | DRIVE-CLiQ |
| Encoder Options | Incremental, Single-turn Absolute, Multiturn Absolute |
| Shaft Options | Plain Shaft or Fitted Key |
| Holding Brake | Optional |
| Mounting Arrangement | IM B5 Flange |
| Protection Class | IP64 / IP65 / IP67 (variant dependent) |
| Temperature Monitoring | Integrated Temperature Sensor |
| Compatible Drives | Siemens SINAMICS S120 |
| Manufacturer | Siemens |
Technical specifications may vary depending on the selected MLFB configuration, encoder type, shaft version, and brake option.
Applications
- CNC Machine Tools
- Industrial Robotics
- Packaging Machinery
- Semiconductor Equipment
- Printing Machinery
- Pick-and-Place Systems
- Electronics Manufacturing
- Textile Machinery
- Automated Assembly Lines
- High-Speed Precision Motion Control