Our advantage
Global Logistics
We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
Brand new and original
Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
24-hour service
We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
| Company Information | |||
| [email protected] | |||
| Mobile | +8615980777398 | ||
| +8615980777398 | |||
| 15980777398 |

The Allen-Bradley MPL-A310F-SJ74AA Servo Motor is a premium MP-Series Low-Inertia Brushless AC Rotary Servo Motor engineered for high-precision industrial motion control applications. As part of the Rockwell Automation MP-Series servo motor family, this model combines exceptional positioning accuracy, rapid dynamic response, and reliable torque output to meet the requirements of modern automated machinery.
The MPL-A310F-SJ74AA features a 230 V AC voltage class, a 100 mm IEC metric frame size, a 25.4 mm magnet stack length, a 3000 RPM rated speed, a single-turn high-resolution absolute encoder, a keyed shaft extension, a SpeedTEC right-angle 180° rotatable DIN connector, and an integrated 24 V DC electromagnetic holding brake. The encoder provides immediate position feedback after power-up within one shaft revolution, while the holding brake securely maintains the motor position whenever power is removed.
Designed for seamless integration with Allen-Bradley Kinetix servo drive systems, the motor delivers highly accurate closed-loop position, speed, and torque control. Its low-inertia rotor enables fast acceleration and deceleration while maintaining excellent positioning repeatability, making it suitable for demanding industrial automation systems.
With a 100 mm frame size and an approximate weight of 2.7 kg, the MPL-A310F-SJ74AA is widely used in robotics, CNC machine tools, packaging equipment, semiconductor manufacturing, electronics assembly, material handling systems, printing machinery, and automated production lines.
| Parameter | Specification |
|---|---|
| Manufacturer | Allen-Bradley |
| Model | MPL-A310F-SJ74AA |
| Product Series | MP-Series MPL |
| Product Type | Rotary Servo Motor |
| Motor Type | Low-Inertia Brushless AC Servo Motor |
| Rated Voltage | 230 V AC |
| Brake Voltage | 24 V DC |
| Rated Speed | 3000 RPM |
| Frame Size | 100 mm |
| Magnet Stack Length | 25.4 mm |
| Continuous Output Power | Approximately 0.46 kW |
| Continuous Torque | Approximately 1.58 Nm |
| Peak Torque | Approximately 3.61 Nm |
| Feedback Device | Single-Turn High-Resolution Absolute Encoder |
| Shaft Type | Keyed Shaft |
| Holding Brake | Integrated 24 V DC Electromagnetic Brake |
| Connector Type | SpeedTEC Right-Angle 180° Rotatable DIN Connector |
| Mounting | IEC Metric Flange |
| Cooling Method | Natural Air Cooling |
| Weight | Approximately 2.7 kg |
The Allen-Bradley MPL-A310F-SJ74AA converts electrical energy from a compatible servo drive into precise rotary motion while continuously transmitting single-turn absolute encoder feedback for high-performance closed-loop servo control.
Motion Controller
↓
Allen-Bradley Kinetix Servo Drive
↓
MPL-A310F-SJ74AA Servo Motor
↓
Mechanical Transmission
↓
Industrial Equipment
During operation, the servo motor performs the following functions:
The integrated 24 V DC holding brake securely locks the motor shaft whenever power is removed, making the motor ideal for vertical-axis machinery and applications requiring reliable load holding.
Within industrial automation systems, the MPL-A310F-SJ74AA serves as a precision rotary actuator responsible for converting electronic motion commands into highly accurate mechanical movement.
Its primary functions include:
The combination of a single-turn absolute encoder and an integrated holding brake improves machine safety, positioning accuracy, and startup efficiency.
Typical applications include:
Suitable for:
Common applications include:
Widely used in:
Suitable for:
Before installation, engineers should verify:
| Component | Function |
|---|---|
| Allen-Bradley Kinetix Servo Drive | Servo motion control |
| ControlLogix PLC | Machine controller |
| CompactLogix PLC | Automation controller |
| Motion Controller | Motion command generation |
| Servo Power Cable | Motor power supply |
| Absolute Encoder Cable | Position feedback |
| Flexible Shaft Coupling | Torque transmission |
| Planetary Gearbox | Speed reduction |
| EtherNet/IP Network | Industrial communication |
| HMI Panel | Operator interface |
| Model | Product Type | Typical Application |
|---|---|---|
| MPL-A310F-SJ74AA | Single-Turn Absolute Encoder with Brake | Vertical-axis motion control |
| MPL-A310F-SJ72AA | Single-Turn Absolute Encoder | General automation |
| MPL-A310F-MJ74AA | Multi-Turn Absolute Encoder with Brake | Advanced positioning systems |
| MPL-A310F-HJ74AA | Incremental Encoder with Brake | Standard servo applications |
| Kinetix VP Series Servo Motors | Premium Servo Motor | High-performance automation |
The MPL-A310F-SJ74AA is an MP-Series low-inertia brushless AC rotary servo motor equipped with a single-turn high-resolution absolute encoder and an integrated 24 V DC holding brake.
The motor operates on 230 V AC, while the holding brake is powered by 24 V DC.
The rated operating speed is 3000 RPM.
It uses a single-turn high-resolution absolute encoder, providing immediate shaft position feedback after startup without requiring homing within one revolution.
Yes. The motor incorporates an integrated 24 V DC electromagnetic holding brake for secure load retention.
The motor features a keyed shaft extension for reliable torque transmission.
The motor features a 100 mm IEC metric frame size.
The motor weighs approximately 2.7 kg.
It is widely used in robotics, CNC machining, semiconductor manufacturing, packaging machinery, electronics assembly, material handling, and automated production systems.
The MPL-A310F-SJ74AA is designed for seamless integration with compatible Allen-Bradley Kinetix servo drive systems.
The Allen-Bradley MPL-A310F-SJ74AA Servo Motor is a high-performance MP-Series low-inertia brushless AC servo motor designed for demanding industrial automation applications. Featuring 230 V AC operation, a 100 mm frame size, 3000 RPM rated speed, a 25.4 mm magnet stack length, a single-turn high-resolution absolute encoder, a keyed shaft, and an integrated 24 V DC holding brake, it delivers exceptional positioning accuracy, rapid response, and reliable load-holding performance.
With its compact construction, approximate weight of 2.7 kg, and compatibility with Allen-Bradley Kinetix motion control systems, the MPL-A310F-SJ74AA provides an efficient and dependable solution for robotics, CNC equipment, packaging machinery, semiconductor manufacturing, and a wide range of precision industrial automation applications.