Siemens 1FK7044-4CF71-1RB0 Permanent-Magnet Synchronous Motor
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PERMANENT-MAGNET SYNCHRONOUS MOTOR
Siemens 1FK7044-4CF71-1RB0 synchronous motor delivers 3.7 Nm torque, 3000 min»¹ rated speed, with encoder and integrated brake, ensuring efficiency and precision for industrial drives.1FK7044-4CF71-1RB0AM20DQIDriveEncoderHighIndustrialIntegratedIP64MagnetMotionmotorPermanentPrecisionServoSiemensSynchronousTorque
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SIEMENS 1FK7044-4CF71-1RB0 PERMANENT-MAGNET SYNCHRONOUS MOTOR
This Siemens permanent-magnet synchronous motor is engineered for precision-driven applications, offering high torque, speed, and braking efficiency. Equipped with a high-resolution absolute encoder, it ensures reliable feedback and positioning performance in demanding industrial environments.
Manufacturer: Siemens
Type: Permanent-Magnet Synchronous Motor
Model: 1FK7044-4CF71-1RB0
No yf: E5649 0442 01 001
Brake Details
Encoder System
| Rated Current | 3.45 A |
| Stall Current | 4.0 A |
| Rated Speed | 3000 min-1 |
| Max. Speed | 9000 min-1 |
| Rated Torque | 3.7 Nm |
| Stall Torque | 4.5 Nm |
| Number of Poles | 6 |
| Efficiency | 91% |
| Voltage Constant (20 ºC) | 72.0 V/1000*min-1 |
| Torque Constant | 1.13 Nm/A |
| Mounting Position | B5 |
| Thermal Class | 155(F) |
| Protection Class | IP64 |
| Voltage Brake | 24 VDC |
| Rated Power Brake | 12 W |
| Coil Current Brake | 0.5 A |
| Holding Torque Brake | 4 Nm |
| Highest Braking Work | 150 J |
| Brake Part No. | 3604801 |
| System | Absolute Encoder 20 Bits (Resolution: 1048576, Encoder-Internal: 512 S/R) |
| Multi-Turn | +12 Bits (Traversing Range: 4096 Revolutions) |
| Voltage Supply | 216 V |
| Protection Class | IP64 |
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