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- MPL-A4540F-MJ72AA
- Low-Inertia Brushless Servo Motors Product
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- 130 mm × 130 mm × 280 mm
- 9.5kg
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MPL-A4540F-MJ72AA Servo Motor Product Introduction, Technical Parameters, Applications, Advantages and Model Recommendation Guide
1. Product Overview
Product Model: MPL-A4540F-MJ72AA
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
The MPL-A4540F-MJ72AA is a high-performance low-inertia brushless AC servo motor designed for precision motion applications in industrial automation systems.
This model belongs to the MP-Series MPL servo motor family and is designed for equipment requiring high positioning accuracy, fast response speed, stable operation, and reliable motion control performance.
The motor uses a 230V AC voltage class design and adopts a compact 45 frame structure with a 101.6 mm magnet stack length. The low-inertia rotor design enables rapid acceleration and deceleration, allowing machines to achieve shorter movement cycles and improved production efficiency.
The MPL-A4540F-MJ72AA is equipped with a multi-turn high-resolution absolute encoder, providing accurate position feedback even after power interruption. Compared with standard incremental feedback systems, the absolute encoder configuration reduces the need for repeated homing operations and improves system reliability.
This model features a keyed shaft extension, right-angle connector structure, 180° rotatable connector design, IEC metric mounting, and no holding brake configuration. It is especially suitable for horizontal-axis motion applications where high-speed response and precise positioning are required.
2. Product Brand and Series Information
| Item | Description |
|---|---|
| Brand | Allen-Bradley |
| Product Series | MP-Series MPL Low-Inertia Servo Motor Series |
| Product Family | Brushless AC Servo Motor |
| Motor Type | Permanent Magnet Rotary Servo Motor |
| Voltage Class | 230V AC |
| Feedback Type | Multi-turn High-resolution Absolute Encoder |
| Motion Type | Rotary Motion Control |
| Main Application | Industrial Automation Equipment |
| Design Feature | Low-Inertia High-Speed Servo Structure |
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 |
| MJ | Multi-turn high-resolution absolute encoder feedback |
| 72 | Right-angle connector, no brake configuration |
| AA | Standard configuration |
4. Detailed Product Parameters
| Parameter | Specification |
|---|---|
| Model | MPL-A4540F-MJ72AA |
| Brand | Allen-Bradley |
| Product Series | MP-Series MPL |
| Motor Type | Brushless AC Servo Motor |
| Motor Design | Low-Inertia Permanent Magnet Motor |
| Voltage Class | 230V AC |
| Rated Voltage | 230V AC |
| Rated Speed | 3000 RPM |
| Continuous Stall Torque | Approx. 10.2 Nm |
| Peak Torque | Approx. 27 Nm |
| Rated Output Power | Approx. 2.6 kW |
| Feedback Type | Multi-turn High-resolution Absolute Encoder |
| Encoder Type | Absolute Multi-turn Feedback |
| Shaft Type | Keyed Shaft Extension |
| Brake Function | No Brake |
| Connector Type | SpeedTEC DIN Connector |
| Connector Position | Right Angle |
| Connector Rotation | 180° Rotatable |
| Frame Size | 45 Frame |
| Flange Diameter | 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 |
| Protection Structure | Industrial Servo Motor Housing |
| Installation Method | Flange Installation |
| 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-MJ72AA is designed for applications where accurate positioning and fast response are essential.
The motor combines a compact mechanical design with advanced feedback technology. The multi-turn absolute encoder allows the control system to accurately identify the motor position without requiring a complete reference return after power cycling.
The low-inertia rotor structure provides excellent dynamic characteristics. When the control system sends movement commands, the motor can quickly respond and reach the required position with minimal delay.
This feature is particularly important in machines with frequent acceleration, deceleration, and direction changes.
The keyed shaft design provides reliable mechanical connection with couplings and transmission components, improving torque transfer stability during operation.
The no-brake configuration reduces motor weight and is suitable for applications where external mechanical locking is unnecessary.
6. Main Product Features
6.1 Low-Inertia High-Speed Response
The low-inertia design allows the motor to react quickly to motion commands.
Main advantages:
- Faster acceleration
- Faster deceleration
- Reduced cycle time
- Improved machine productivity
- Better synchronization performance
This makes the motor suitable for high-speed automated production equipment.
6.2 Multi-turn Absolute Encoder Feedback
The integrated multi-turn absolute encoder provides precise position information.
Advantages:
- Maintains position information after power loss
- Reduces machine referencing procedures
- Improves positioning accuracy
- Enhances system reliability
- Supports complex motion profiles
This feedback system is especially useful in precision automation applications.
6.3 Compact High-Density Design
The 45 frame structure provides strong performance while maintaining a compact size.
Benefits:
- Saves machine installation space
- Simplifies mechanical design
- Improves equipment layout flexibility
- Provides excellent power density
6.4 Keyed Shaft Structure
The keyed shaft provides a secure mechanical connection.
Benefits:
- Reliable torque transmission
- Reduced shaft slipping risk
- Improved mechanical stability
- Suitable for industrial transmission systems
7. Product Applications
7.1 Packaging Machinery
The MPL-A4540F-MJ72AA is widely used in automated packaging equipment.
Typical applications:
- Filling machines
- Labeling systems
- Sealing equipment
- Cartoning machines
- Indexing systems
The motor provides accurate positioning during repeated high-speed operations.
7.2 CNC Machine Tools
Applications include:
- Feed axis control
- Precision positioning
- Rotary axis movement
- Tool handling systems
The absolute feedback system improves machine accuracy and repeatability.
7.3 Robotics and Automation Systems
Typical uses:
- Pick-and-place equipment
- Assembly robots
- Automated production systems
- Motion platforms
The low inertia characteristics improve robot response speed and movement smoothness.
7.4 Semiconductor Manufacturing Equipment
Applications:
- Precision inspection systems
- Electronic assembly machines
- Component positioning equipment
The high-resolution feedback supports precise manufacturing requirements.
7.5 Printing and Converting Equipment
Used for:
- Roller synchronization
- Material feeding systems
- Tension control applications
- High-speed movement mechanisms
The servo motor provides stable speed control and accurate synchronization.
8. Product Advantages
| Advantage | Description |
|---|---|
| High Position Accuracy | Absolute encoder provides precise position feedback |
| Fast Dynamic Response | Low inertia improves acceleration performance |
| Compact Structure | Small frame size saves installation space |
| Stable Torque Output | Provides reliable industrial motion performance |
| Reduced Restart Time | Absolute feedback reduces homing requirements |
| High Reliability | Designed for continuous automation operation |
| Flexible Installation | Right-angle connector improves wiring arrangement |
| Efficient Motion Control | Suitable for complex positioning applications |
9. Recommended Related Models from MPL Series
| Model | Voltage | Speed | Torque | Feedback | Brake | Dimensions | Weight kg |
|---|---|---|---|---|---|---|---|
| MPL-A4540F-MK72AA | 230V AC | 3000 RPM | 10.2 Nm | Multi-turn High-resolution Encoder | No Brake | 130 mm × 101.6 mm stack | Approx. 9.5 kg |
| MPL-A4540F-MJ74AA | 230V AC | 3000 RPM | 10.2 Nm | Multi-turn Absolute Encoder | 24V DC Brake | 130 mm × 101.6 mm stack | Approx. 13 kg |
| MPL-A4540F-HK72AA | 230V AC | 3000 RPM | 10.2 Nm | Incremental Encoder | No Brake | 130 mm × 101.6 mm stack | Approx. 9.5 kg |
| MPL-A4560F-MJ72AA | 230V AC | 3000 RPM | 14.1 Nm | Absolute Encoder | No Brake | 130 mm × 152.4 mm stack | Approx. 15 kg |
| MPL-A4530F-MJ72AA | 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 | 13 kg |
| MPL-A4560F-MJ74AA | MP-Series MPL | 230V AC | 3000 RPM | 14.1 Nm | Multi-turn Encoder | 24V 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-MJ72AA | MP-Series MPL | 460V AC | 3000 RPM | 10.2 Nm | Absolute Encoder | No Brake | 130 mm × 101.6 mm | Approx. 9.5 kg |
11. Model Selection Guide
| Application Requirement | Recommended Model |
|---|---|
| Standard high-speed positioning | MPL-A4540F-MJ72AA |
| Need brake holding function | MPL-A4540F-MJ74AA |
| Lower cost feedback solution | MPL-A4540F-HK72AA |
| Higher torque requirement | MPL-A4560F series |
| Smaller motor size requirement | MPL-A4530F series |
12. Product Summary
The MPL-A4540F-MJ72AA is a high-performance low-inertia servo motor designed for precision industrial automation applications.
Its combination of 230V AC operation, 3000 RPM speed capability, approximately 10.2 Nm continuous torque, multi-turn absolute encoder feedback, and compact 45 frame design provides an excellent solution for demanding motion control systems.
The motor is especially suitable for equipment requiring accurate positioning, fast response, and reliable operation without the need for a mechanical brake.
With its advanced feedback capability, compact structure, and strong dynamic performance, the MPL-A4540F-MJ72AA is widely applicable in packaging machinery, CNC equipment, robotics, semiconductor systems, and precision automation platforms.