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- MPL-A4540F-MK72AA
- Low-Inertia Brushless Servo Motors Product
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- 130 mm × 130 mm × 280 mm
- 9.5kg
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MPL-A4540F-MK72AA Servo Motor Product Introduction, Technical Parameters, Applications, Advantages and Model Recommendation Guide
1. Product Overview
Product Model: MPL-A4540F-MK72AA
Brand: Allen-Bradley
Product Series: MP-Series MPL Low-Inertia Brushless Servo Motor Series
Product Type: AC Rotary Servo Motor
Application Category: Industrial Motion Control System
The MPL-A4540F-MK72AA is a high-performance low-inertia brushless AC servo motor designed for precision industrial automation applications.
It belongs to the MP-Series MPL servo motor family and is developed for equipment requiring fast dynamic response, accurate positioning, smooth speed control, and reliable long-term operation.
This model uses a 230V AC voltage class design with a 45 frame structure and a 101.6 mm magnet stack length. It provides a rated speed of 3000 RPM and combines compact mechanical dimensions with strong torque output.
The motor adopts a low-inertia rotor structure, allowing rapid acceleration and deceleration. This characteristic makes it suitable for machines with frequent movement cycles, high-speed indexing operations, and applications where short response times are required.
The MPL-A4540F-MK72AA features a multi-turn high-resolution absolute encoder feedback system, keyless shaft extension, right-angle SpeedTEC DIN connector, 180° rotatable connector design, IEC metric mounting, and no brake configuration.
The absolute encoder provides accurate position information during operation and after power interruption, reducing the need for repeated machine referencing procedures and improving system availability.
This model is commonly selected for applications requiring high positioning accuracy, compact installation, and stable servo performance.
2. Product Brand and Series Information
| Item | Description |
|---|---|
| Brand | Allen-Bradley |
| Product Series | MP-Series MPL Low-Inertia Servo Motor Series |
| Product Type | Brushless AC Servo Motor |
| Motor Technology | Permanent Magnet Servo Motor |
| Voltage Class | 230V AC |
| Feedback Type | Multi-turn High-resolution Absolute Encoder |
| Brake Configuration | No Brake |
| Shaft Configuration | Keyless Shaft Extension |
| Connector Type | Right-angle SpeedTEC DIN Connector |
| Frame Size | 45 Frame |
| Main Application | Industrial Motion Control |
3. Model Number Explanation
| Model Code | Description |
|---|---|
| MPL | MP-Series low-inertia servo motor family |
| A | 230V AC voltage class |
| 45 | Frame size 45, approximately 130 mm flange size |
| 40 | Magnet stack length 101.6 mm |
| F | High-speed motor design, 3000 RPM class |
| MK | Multi-turn high-resolution absolute encoder feedback with keyless shaft |
| 72 | Right-angle connector, no brake configuration |
| AA | Standard configuration |
4. Detailed Product Parameters
| Parameter | Specification |
|---|---|
| Model | MPL-A4540F-MK72AA |
| Brand | Allen-Bradley |
| Product Series | MP-Series MPL |
| Product Type | Rotary AC Servo Motor |
| Motor Design | Low-Inertia Brushless Permanent Magnet Motor |
| Voltage Class | 230V AC |
| Rated Voltage | 230V AC |
| Rated Speed | 3000 RPM |
| Maximum Speed | 3000 RPM |
| Continuous Stall Torque | Approx. 10.2 Nm |
| Peak Stall Torque | Approx. 27.1 Nm |
| Continuous Output Power | Approx. 2.6 kW |
| Feedback Type | Multi-turn High-resolution Absolute Encoder |
| Encoder Technology | Absolute Multi-turn Feedback |
| Feedback Resolution | High-resolution Sin/Cos Feedback |
| Shaft Type | Keyless Shaft Extension |
| Brake Function | No Brake |
| Connector Type | SpeedTEC DIN Connector |
| Connector Position | Right Angle |
| Connector Rotation | 180° Rotatable |
| Frame Size | 45 Frame |
| Flange Size | 130 mm |
| Magnet Stack Length | 101.6 mm |
| Mounting Type | IEC Metric Flange Mount |
| Mounting Hole Type | Free Mounting Holes |
| Cooling Method | Natural Cooling |
| Rotor Design | Low-Inertia Rotor |
| Rotor Inertia | Approx. 0.00052 kg·m² |
| Housing Structure | Industrial Servo Motor Housing |
| Installation Method | Flange Mount |
| Rotation Direction | Bidirectional |
| Operating Environment | Industrial Automation Environment |
| Dimensions | Approx. 130 mm × 130 mm × 280 mm |
| Weight | Approx. 9.5 kg |
5. Product Introduction
The MPL-A4540F-MK72AA is designed for high-precision motion applications where fast response and accurate position feedback are required.
The motor integrates advanced multi-turn absolute feedback technology, allowing the control system to maintain accurate position information even after power loss. This reduces downtime caused by repeated homing operations and improves machine startup efficiency.
The low-inertia design provides excellent dynamic performance. When the servo command changes, the motor can respond quickly, accelerate smoothly, and reach the target position with high accuracy.
The keyless shaft configuration provides a simple and reliable mechanical connection method. It is suitable for applications using couplings, gear mechanisms, or direct-drive structures.
The no-brake configuration reduces motor weight and is suitable for horizontal-axis applications where mechanical holding is not required.
The combination of compact size, high torque density, and accurate feedback makes this motor suitable for advanced industrial automation equipment.
6. Main Product Features
6.1 Low-Inertia High-Speed Response
The low-inertia rotor design improves the motor’s ability to respond quickly to control commands.
Main advantages:
- Rapid acceleration and deceleration
- Reduced positioning time
- Improved machine cycle speed
- Better synchronization performance
- Smooth movement during frequent direction changes
This feature is particularly valuable for high-speed production equipment.
6.2 Multi-turn Absolute Encoder System
The integrated multi-turn encoder provides accurate position monitoring.
Benefits include:
- Maintains position information after power interruption
- Reduces machine reset time
- Improves positioning accuracy
- Supports complex motion control
- Enhances system reliability
This feedback method is suitable for precision equipment requiring consistent positioning.
6.3 Keyless Shaft Design
The keyless shaft structure provides flexible mechanical integration.
Advantages:
- Simplifies coupling installation
- Reduces mechanical stress concentration
- Provides stable torque transmission
- Supports compact machine designs
6.4 Compact High-Performance Structure
The 45 frame motor design provides strong performance in a small package.
Benefits:
- Saves installation space
- Reduces machine size
- Improves equipment flexibility
- Provides high torque density
7. Product Applications
7.1 Packaging Machinery
The MPL-A4540F-MK72AA is suitable for automated packaging systems requiring precise movement control.
Typical applications:
- Filling machines
- Labeling systems
- Cartoning equipment
- Sealing machines
- Indexing mechanisms
The motor provides fast response and accurate positioning during repeated production cycles.
7.2 CNC Machine Tools
Applications include:
- Feed axis control
- Precision positioning
- Rotary axis systems
- Tool movement equipment
The absolute encoder feedback improves machining stability and repeatability.
7.3 Robotics and Automation Equipment
Typical applications:
- Pick-and-place systems
- Assembly machines
- Robotic positioning systems
- Automated production lines
The low-inertia design improves robot movement speed and accuracy.
7.4 Semiconductor Manufacturing Equipment
Applications:
- Precision inspection systems
- Electronic assembly machines
- Component positioning equipment
- Motion platforms
The high-resolution feedback system supports precise manufacturing processes.
7.5 Printing and Converting Machinery
Used in:
- Roller synchronization systems
- Feeding mechanisms
- Tension control applications
- High-speed motion systems
The servo motor provides smooth speed regulation and accurate synchronization.
8. Product Advantages
| Advantage | Description |
|---|---|
| High Position Accuracy | Absolute encoder provides precise position information |
| Fast Dynamic Response | Low inertia improves acceleration performance |
| Reduced Restart Time | Maintains position information after power loss |
| Compact Structure | 130 mm frame saves installation space |
| High Torque Density | Provides strong output in a compact design |
| Stable Operation | Suitable for continuous industrial use |
| Flexible Installation | Right-angle connector improves cable arrangement |
| Reliable Motion Control | Suitable for demanding automation applications |
9. Recommended Related Models from MPL Series
| Model | Voltage | Speed | Continuous Torque | Feedback | Brake | Dimensions | Weight kg |
|---|---|---|---|---|---|---|---|
| MPL-A4540F-MJ72AA | 230V AC | 3000 RPM | 10.2 Nm | Multi-turn Absolute Encoder | No Brake | 130 mm × 101.6 mm stack | Approx. 9.5 kg |
| MPL-A4540F-MK74AA | 230V AC | 3000 RPM | 10.2 Nm | Multi-turn High-resolution Encoder | 24V Brake | 130 mm × 101.6 mm stack | Approx. 13 kg |
| MPL-A4540F-MJ74AA | 230V AC | 3000 RPM | 10.2 Nm | Multi-turn Absolute Encoder | 24V Brake | 130 mm × 101.6 mm stack | Approx. 13 kg |
| MPL-A4560F-MK72AA | 230V AC | 3000 RPM | 14.1 Nm | Multi-turn Encoder | No Brake | 130 mm × 152.4 mm stack | Approx. 15 kg |
| MPL-A4530F-MK72AA | 230V AC | 3000 RPM | 8.36 Nm | Absolute Encoder | No Brake | 130 mm × 76.2 mm stack | Approx. 8 kg |
10. Recommended Popular Models from the Same Brand
| Model | Product Series | Voltage | Speed | Torque | Feedback | Brake | Dimensions | Weight kg |
|---|---|---|---|---|---|---|---|---|
| MPL-A4540F-MJ74AA | MP-Series MPL | 230V AC | 3000 RPM | 10.2 Nm | Multi-turn Absolute Encoder | 24V Brake | 130 mm × 101.6 mm | Approx. 13 kg |
| MPL-A4560F-MJ72AA | MP-Series MPL | 230V AC | 3000 RPM | 14.1 Nm | Absolute Encoder | No Brake | 130 mm × 152.4 mm | Approx. 15 kg |
| MPL-A520K-MJ72AA | MP-Series MPL | 230V AC | 4000 RPM | 10.7 Nm | High-resolution Encoder | No Brake | 165 mm × 50.8 mm | Approx. 12 kg |
| MPL-A540F-MJ74AA | MP-Series MPL | 230V AC | 3000 RPM | Higher Torque Class | Absolute Encoder | 24V Brake | 165 mm × 101.6 mm | Approx. 20 kg |
| MPL-B4540F-MK72AA | MP-Series MPL | 460V AC | 3000 RPM | 10.2 Nm | Multi-turn Absolute Encoder | No Brake | 130 mm × 101.6 mm | Approx. 9.5 kg |
11. Model Selection Guide
| Application Requirement | Recommended Model |
|---|---|
| High precision positioning without brake | MPL-A4540F-MK72AA |
| Need mechanical holding function | MPL-A4540F-MK74AA |
| Standard absolute feedback application | MPL-A4540F-MJ72AA |
| Higher torque requirement | MPL-A4560F Series |
| Compact high-speed motion system | MPL-A4530F Series |
12. Product Summary
The MPL-A4540F-MK72AA is a precision-oriented low-inertia servo motor designed for advanced industrial motion applications.
With a 230V AC voltage class, 3000 RPM rated speed, approximately 10.2 Nm continuous torque, multi-turn high-resolution absolute encoder feedback, and compact 45 frame construction, it provides excellent performance for demanding automation systems.
The motor offers fast response, accurate positioning, reliable feedback, and flexible mechanical integration.
Its keyless shaft design and no-brake configuration make it especially suitable for horizontal-axis motion applications, including packaging equipment, CNC systems, robotics, semiconductor manufacturing equipment, and precision automation platforms.
The MPL-A4540F-MK72AA is a practical solution for systems requiring high accuracy, high efficiency, and stable long-term operation.