This 4 hp (3 kW) AC servo motor kit is widely used in CNC machines, robotic systems, packaging equipment, and automated production lines. The AC servo system delivers smooth operation and fast response for precise motion control. Choose this AC servo motor kit to improve machine efficiency and ensure stable long-term operation.
Specification
| Model |
ATO-130ST-M12025 |
| Rated Voltage |
220V |
| Rated Power |
3kW |
| Rated Current |
10.8A |
| Rated Speed |
2500 rpm |
| Rated Torque |
12 N.m |
| Peak Speed |
3000 rpm |
| Maximum Instantaneous Current |
21.6A |
| Peak Torque |
24 N.m |
| Torque Constant |
1.1 |
| Back EMF (U) |
72(V/1000r/m) |
| Ambient Operating Temperature |
-20–50℃ |
| Winding Resistance |
0.95Ω |
| Winding Inductance |
6.76mH |
| Electrical Time Constant |
7.11MS |
| Number of Pole Pairs |
5 |
| Encoder Resolution |
17bit |
| Rotor Inertia |
27×10-4Kg.m2 |
| Dielectric Strength |
1500V 5s |
| Insulation Resistance |
500V≥20MΩ |
| Protection Rating |
IP65 |
| Insulation Class |
F |
| Weight |
8.7Kg |
Feature
- Multiple Control Modes Supported: The AC servo drive supports position control, speed control, and torque control modes for flexible operation in CNC machines, robotic systems, and automated equipment.
- RS485 Communication Interface: Built-in RS485 communication allows easy integration with PLCs and industrial control systems for efficient automation control.
- High Precision & Fast Response: This 3 kW AC servo motor kit is equipped with a 17-bit encoder for accurate positioning, smooth operation, and rapid response performance.
- Power-Off Brake for Enhanced Safety: Integrated brake design helps maintain safe operation during sudden power loss or emergency stop conditions.
- Multiple Protection Functions: High torque 3 kW AC servo motor kit features comprehensive safety protections for overcurrent, overload, overheating, and abnormal operating conditions to improve system reliability.
- Durable Industrial Design: IP65 protection rating and Class F insulation provide reliable performance in demanding industrial environments.
- Wide Industrial Applications: 3 kW (4 hp) power rating brushless AC servo motor kit is ideal for CNC machines, packaging equipment, laser machines, conveyor systems, and automated production lines requiring efficient servo motion control.
Detail

Size (unit: mm)
AC Servo Motor

Servo Drive

Package Includes

Winding and Encoder Connection
1. For servo motor winding
| Motor Winding Plug |
Winding Lead |
U |
V |
W |
PE |
| Socket Number |
A |
B |
C |
D |
2. For encoder
| Encoder Socket |
Signal Definition |
SD- |
0V |
SD+ |
5V |
PE |
| Socket Number |
5 |
7 |
4 |
6 |
1 |
Tips: What are the advantages of buying the complete AC servo motor kit?
The complete AC servo motor kit includes a fully matched servo motor and servo drive, helping ensure better compatibility, stable communication, and smoother overall system performance. Compared with purchasing components separately, the pre-matched system reduces setup complexity, shortens installation time, and minimizes compatibility issues during operation.
In addition, the integrated servo solution provides more reliable motion control, easier parameter configuration, and improved operational stability for CNC machines, automated equipment, and industrial automation systems. It is an efficient and cost-effective choice for machine manufacturers, automation integrators, and equipment upgrades.