Industrial AC servo motor kits for sale. This 5‑horsepower servo motor kit delivers a peak torque of 70 Nm and runs at a rated speed of 1,000 rpm, enabling precise and responsive motion control. Equipped with either a 2,500 PPR incremental encoder or an absolute encoder, it guarantees high precision and stable performance. Ideal for machinery and automation system applications.
Specifications
| Model |
ATO180ST-M35010 |
| Servo Drive Model |
ATOMG-1000 |
| Rated Power |
3.7 kw |
| Rated Voltage |
220 V |
380 V |
| Rated Current |
16 A |
10 A |
| Rated Speed |
1000 rpm |
| Rated Torque |
35 Nm |
| Peak Torque |
70 Nm |
| Voltage Constant |
134 V/1000r/min |
223 V/1000r/min |
| Torque Coefficient |
2.2 Nm/A |
3.5 Nm/A |
| Rotor Inertia |
12.25×10⁻³ kg·m² |
| Line-line Resistance |
0.31 Ω |
0.93 Ω |
| Line-line Inductance |
2.11 mh |
5.86 mh |
| Electrical Time-constant |
6.8 ms |
6.3 ms |
| Weight |
30.5 kg |
| Encoder Line Number |
2500 ppr |
| Insulation Class |
Class F |
| Safety Class |
IP65 |
| Environment |
Temperature: -20℃~+40℃; Humidity below 90%RH no dewing |
Features
- High-Precision Control: This AC servo motor delivers precise position, speed, and torque control without step loss, ensuring outstanding accuracy and stability.
- High-Precision Encoder Integration: Equipped with a high-performance encoder, this servo motor provides accurate position, speed, and torque feedback for precise closed-loop control and reliable motion performance.
- Smooth Motion: Providing 35 Nm rated torque and 70 Nm peak torque, the servo motor maintains smooth low-speed operation and rapid response, making it ideal for high-performance automation systems.
- Enlarged Turbine and Wider Housing: The AC servo motor features an enlarged turbine and wider housing design for smoother airflow and more efficient power transfer, helping improve torque stability and servo motor responsiveness.
- Robust Bearing Design: Equipped with high-capacity bearings, this servo motor provides strong shaft support and long service life, even under heavy loads or continuous operation.
Motor Dimension (unit: mm)

LA (without brake): 292mm, LA (with brake): 382mm
Details

Winding and Encoder Connection
1. For servo motor winding
| Motor Winding Plug |
Winding Lead |
U |
V |
W |
PE |
| Socket Number |
2 |
3 |
4 |
1 |
2. For incremental encoder
| Incremental Encoder Socket (15 Pin) |
Signal Definition |
5V |
0V |
A+ |
B+ |
Z+ |
A- |
B- |
Z- |
U+ |
V+ |
W+ |
U- |
V- |
W- |
PE |
| Socket Number |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
11 |
12 |
13 |
14 |
15 |
1 |
3. For absolute encoder
| Absolute Encoder Socket (7 Pin) |
Signal Definition |
E- |
E+ |
SD- |
0V |
SD+ |
5V |
PE |
| Socket Number |
2 |
3 |
4 |
5 |
6 |
7 |
1 |
Tips: What factors affect servo motor positioning accuracy?
Several factors influence the positioning accuracy of a servo motor, including encoder resolution, servo drive tuning, mechanical rigidity, load conditions, and installation quality. A high-resolution encoder provides more precise position feedback, while properly tuned servo drive parameters help minimize tracking errors and improve response. Mechanical factors such as backlash, shaft misalignment, vibration, and insufficient system stiffness can also reduce accuracy. In addition, sudden load changes or excessive inertia may affect positioning performance. To achieve the best results, the servo motor system should be correctly sized, installed, and tuned according to the application's requirements.