180 Series AC Servo Motor
Wheatstone
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Product Description
The WHEATSTONE 180 AC Servo Motors are engineered to deliver precise motion control, high torque density, and excellent dynamic performance for demanding industrial automation and equipment applications. With advanced electromagnetic design and optimized cooling, this series offers high efficiency, compact structure, and reliable operation under continuous duty cycles.
The 180 frame size is suitable for medium-to-high power applications, making it widely used in CNC machinery, robotics, packaging systems, textile equipment, and process automation.
High Precision Control – Supports accurate positioning and speed regulation with advanced feedback systems (encoder/resolver options).
High Torque Density – Optimized stator and rotor design provide strong output torque with a compact frame.
Stable Operation – Smooth acceleration and deceleration for demanding motion profiles.
Flexible Feedback Options – Incremental encoders, absolute encoders, or resolvers available to match application requirements.
Durable Construction – High-strength frame, reliable insulation, and thermal protection ensure long service life.
Energy Efficiency – Low loss magnetic design reduces heat generation and improves overall efficiency.
Motor Type: AC Servo Motor
Frame Size: 180 mm
Rated Power: 0.75 kW – 7.5 kW (customizable)
Rated Voltage: 220V / 380V / 400V
Speed Range: 1000 – 3000 rpm (up to 6000 rpm optional)
Torque Range: Up to 60 Nm (continuous), higher with peak load
Insulation Class: F or H
Cooling Method: Natural cooling (IC410) / Forced air cooling (IC416)
Protection Class: IP54 – IP65
Feedback Devices: Incremental encoder, absolute encoder, or resolver
Applications: CNC machinery, robotics, printing equipment, textile machines, automated assembly lines, and industrial servo systems.
Motor Model
| Motor Model | L(mm) |
| 180ST-□160XX | 236.5 |
| 180ST-□190XX | 257.5 |
| 180ST-□250XX | 274.5 |
| 180ST-□300XX | 291.5 |
| 180ST-□360XX | 312.5 |
| 180ST-□420XX | 329.5 |
| 180ST-□500XX | 346.5 |
| 180ST-□160XXB | 326.5 |
| 180ST-□190XXB | 347.5 |
| 180ST-□250XXB | 364.5 |
| 180ST-□300XXB | 381.5 |
| 180ST-□360XXB | 402.5 |
| 180ST-□420XXB | 419.5 |
| 180ST-□500XXB | 436.5 |
| 180ST-X15020F | 219 |
| 180ST-X28010F | 317 |
Motor Dimensions

Electrical Parameters
| Main performance parameters | ||||
| Motor Model | 180ST-□16030 | 180ST-□19030 | 180ST-□25030 | 180ST-□30030 |
| Rated Power(KW) | 5.0 | 6.0 | 7.5 | 9.0 |
| Rated Current(A) | 20.0 | 26.7 | 31.0 | 36.0 |
| Rated Speed(RPM) | 3000 | 3000 | 3000 | 3000 |
| Maximum Speed(RPM) | 3600 | 3600 | 3600 | 3600 |
| Rated Torque(NM) | 16.0 | 19.0 | 25.0 | 30.0 |
| Maximum Torque(NM) | 40.0 | 47.5 | 62.5 | 75.0 |
| Rotor of Inertia(kg.cm²) | 32.6 | 45.0 | 55.1 | 65.2 |
| Main performance parameters | |||
| Motor Model | 180ST-□36030 | 180ST-□42030 | 180ST-□50030 |
| Rated Power(KW) | 11.0 | 13.0 | 15.0 |
| Rated Current(A) | 44.0 | 52.0 | 60.0 |
| Rated Speed(RPM) | 3000 | 3000 | 3000 |
| Maximum Speed(RPM) | 3600 | 3600 | 3600 |
| Rated Torque(NM) | 36.0 | 42.0 | 50.0 |
| Maximum Torque(NM) | 72.0 | 84.0 | 100.0 |
| Rotor of Inertia(kg.cm²) | 77.5 | 87.7 | 97.8 |
FAQ
Q1: What applications are the 180 AC Servo Motors suitable for?
A1: They are widely used in CNC machinery, robotics, packaging equipment, textile machines, printing systems, and large-scale automation lines requiring high torque and precise motion control.
Q2: What is the power and torque range of the 180 AC Servo Motor?
A2: The 180 frame size supports 1.5 kW to 15 kW rated power, with continuous torque up to 120 Nm, and higher torque capacity under peak load conditions.
Q3: What types of feedback devices are supported?
A3: The motors can be configured with incremental encoders, absolute encoders, or resolvers, enabling high-precision control depending on the application.
Q4: What cooling methods are available?
A4: Standard cooling is natural convection (IC410), while forced-air cooling (IC416) and custom liquid cooling are available for demanding applications.
Q5: What protection levels are offered?
A5: WHEATSTONE 180 AC Servo Motors provide IP54 to IP65 protection, ensuring reliable operation in dusty or moist industrial environments.
Q6: Can the 180 AC Servo Motors be customized for specific needs?
A6: Yes. Customization includes voltage ratings, winding configurations, shaft designs, mounting options, cooling systems, and feedback devices tailored to customer requirements.
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