Description
Product Description
The Siemens 1FT7044-5AK7X-1XXX is a premium SIMOTICS S-1FT7 permanent magnet synchronous servo motor engineered for high-speed, high-precision motion control applications. Designed for seamless integration with Siemens SINAMICS S120 servo drive systems via the DRIVE-CLiQ interface, this naturally cooled servo motor provides exceptional dynamic performance, high positioning accuracy, and reliable continuous-duty operation. It is ideally suited for CNC machine tools, industrial robotics, semiconductor manufacturing, packaging machinery, printing equipment, pick-and-place systems, and other demanding automation applications.
Operating at a rated speed of 6,000 RPM, the 1FT7044-5AK7X-1XXX delivers 1.41 kW optimum output power, 2.0 Nm rated torque, and 5.0 Nm stall torque (100 K). The motor can produce up to 23 Nm maximum torque while supporting a maximum mechanical speed of 9,000 RPM, ensuring rapid acceleration, precise positioning, and excellent overload capability. Its permanent magnet rotor design provides high torque density, low rotor inertia, and outstanding energy efficiency.
The 1FT7044-5AK7X-1XXX family includes numerous MLFB variants with different encoder technologies, shaft configurations (plain shaft or fitted key), optional holding brakes, connector orientations, vibration grades, temperature sensor options (KTY or Pt1000), and IP protection classes. All variants feature natural cooling, IM B5 flange mounting, integrated temperature monitoring, and DRIVE-CLiQ communication. The exact motor configuration is defined by the complete Siemens MLFB ordering code.
Key Features
- Genuine Siemens SIMOTICS S-1FT7 synchronous servo motor
- Permanent magnet synchronous motor technology
- Designed for Siemens SINAMICS S120 servo drive systems
- Optimum output power: 1.41 kW
- Rated speed: 6,000 RPM
- Rated torque: 2.0 Nm
- Stall torque (100 K): 5.0 Nm
- Maximum torque: 23 Nm
- Maximum mechanical speed: 9,000 RPM
- Natural cooling
- 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 versions
- Optional holding brake
- IM B5 flange mounting
- Rotatable power connector
- Integrated KTY or Pt1000 temperature sensor
- IP64 / IP65 / IP67 protection (variant dependent)
Technical Specifications
| Specification | Details |
|---|---|
| Product Family | SIMOTICS S-1FT7 |
| Part Number | 1FT7044-5AK7X-1XXX |
| Motor Type | Permanent Magnet Synchronous Servo Motor |
| Cooling Method | Natural Cooling |
| Optimum Power | 1.41 kW |
| Rated Speed | 6,000 RPM |
| Optimum Speed | 4,500 RPM |
| Rated Torque (100 K) | 2.0 Nm |
| Stall Torque (100 K) | 5.0 Nm |
| Stall Torque (60 K) | 4.4 Nm |
| Maximum Torque | 23 Nm |
| Rated Current | 2.5 A |
| Stall Current (100 K) | 5.7 A |
| Stall Current (60 K) | 4.9 A |
| Maximum Current | 30 A |
| Maximum Mechanical Speed | 9,000 RPM |
| Maximum Converter Speed | 9,000 RPM |
| Number of Poles | 6 |
| Torque Constant | 0.885 Nm/A |
| Voltage Constant | 56.5 V/1000 RPM |
| Winding Resistance | 0.61 Ω |
| Rotating Field Inductance | 4.2 mH |
| Electrical Time Constant | 7 ms |
| Mechanical Time Constant | 1.3 ms |
| Thermal Time Constant | 35 min |
| Rotor Inertia | 5.43 × 10⁻⁴ kg·m² |
| Rotor Inertia (with Brake) | 6.30 × 10⁻⁴ kg·m² |
| Motor Weight | 7.2 kg |
| Motor Weight (with Brake) | 8.1 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 KTY / Pt1000 Sensor |
| Compatible Drives | Siemens SINAMICS S120 |
| Manufacturer | Siemens |
Technical specifications may vary depending on the selected MLFB configuration, encoder type, shaft option, brake option, and protection class.
Applications
- CNC Machine Tools
- Industrial Robotics
- Semiconductor Manufacturing
- Electronics Assembly
- Packaging Machinery
- Printing Machinery
- Pick-and-Place Systems
- Textile Machinery
- Laboratory Automation
- High-Speed Precision Motion Control