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Allen-Bradley MPL-B4530F-MJ72AA Servo Motor

1. Product Overview

The MPL-B4530F-MJ72AA is a low-inertia permanent-magnet AC servo motor designed for industrial automation and precision motion-control applications.

It belongs to the MPL Series low-inertia brushless servo motor family and is designed for a 400 V AC-class servo system. The motor uses a 130 mm frame size and a 76.2 mm magnet stack length, giving it a useful combination of compact installation dimensions and relatively high torque output.

The motor is rated for approximately 3000 rpm and provides approximately 8.25 N·m of continuous stall torque and 20.3 N·m of peak torque. Its continuous output power is approximately 2.1 kW.

One of the most important features of the MPL-B4530F-MJ72AA is its multi-turn high-resolution absolute encoder. Compared with a basic incremental feedback arrangement, absolute multi-turn feedback can provide more detailed position information and can retain multi-turn position information within the feedback system.

The motor uses a keyed shaft extension, making it suitable for conventional mechanical couplings, pulleys, gearboxes, and other transmission components designed for keyed shafts.

The MJ72AA configuration does not include an integral holding brake, so applications involving vertical axes, gravity loads, or shaft-holding requirements should be evaluated carefully before installation.

The motor uses a right-angle SpeedTEC DIN connector configuration, with a 180° rotatable connection arrangement that provides flexibility for cable routing and machine installation.

Overall, the MPL-B4530F-MJ72AA is a versatile servo motor for machines requiring precise position control, repeatable motion, controlled acceleration and deceleration, and reliable closed-loop operation.

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2. Brand and Product Series

Item	Specification
Brand	Allen-Bradley
Product Family	MPL Servo Motors
Series	MPL Low-Inertia Brushless Servo Motors
Model	MPL-B4530F-MJ72AA
Motor Type	Permanent-magnet AC servo motor
Motor Construction	Low-inertia brushless design
Voltage Class	400 V AC
Nominal System Voltage	Approximately 460 V AC
Frame Size	130 mm
Frame Size in Inches	Approximately 5.12 in
Magnet Stack Length	76.2 mm
Magnet Stack Length in Inches	3.0 in
Rated Speed	3000 rpm
Maximum Speed	3000 rpm
Continuous Output	Approximately 2.1 kW
Continuous Stall Torque	Approximately 8.25 N·m
Peak Torque	Approximately 20.3 N·m
Feedback Type	Multi-turn high-resolution absolute encoder
Feedback Protocol	Hiperface-type absolute feedback
Feedback Resolution	Sin/Cos, approximately 1024 cycles/revolution
Shaft	Keyed shaft extension
Shaft Seal	No shaft seal
Integral Brake	No brake
Connector	SpeedTEC DIN connector
Connector Orientation	Right angle
Connector Rotation	180° rotatable
Mounting	IEC metric flange
Mounting Holes	Free mounting holes
Approximate Weight	6.35 kg
Typical Application	Industrial servo motion control

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3. Main Technical Parameters

Parameter	Specification
Model	MPL-B4530F-MJ72AA
Product Type	Rotary servo motor
Series	MPL
Motor Technology	Permanent-magnet brushless servo
Voltage Class	400 V AC
Armature Voltage Class	460 V
Frame Size	130 mm
Magnetic Stack Length	76.2 mm
Rated Speed	3000 rpm
Maximum Speed	3000 rpm
Rated Output Power	2.1 kW
Continuous Stall Torque	8.25 N·m
Peak Torque	20.3 N·m
Rotor Inertia	Approximately 0.00040 kg·m²
Feedback	Multi-turn high-resolution absolute encoder
Feedback Resolution	Sin/Cos, approximately 1024 cycles/revolution
Feedback Protocol	Hiperface-type
Shaft Type	Keyed shaft extension
Shaft Key	Yes
Shaft Seal	No
Brake	No integral brake
Connector Type	SpeedTEC DIN
Connector Position	Right angle
Connector Rotation	180° rotatable
Mounting Flange	IEC metric
Mounting Holes	Free mounting holes
Housing	Industrial-duty motor housing
Approximate Weight	6.35 kg
Typical Operating Temperature	Up to approximately 40°C
Cooling	Natural heat dissipation
Main Function	Precision rotary motion
Control Method	Closed-loop servo control

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4. Dimensions and Weight

The MPL-B4530F-MJ72AA uses a 130 mm frame with a 76.2 mm magnetic stack.

The 130 mm frame provides a practical balance between motor size and torque capacity, while the 76.2 mm stack length provides the electromagnetic construction needed for the approximately 8.25 N·m continuous torque rating.

Mechanical Parameter	Specification
Model	MPL-B4530F-MJ72AA
Frame Size	130 mm
Frame Size	Approximately 5.12 in
Magnet Stack Length	76.2 mm
Magnet Stack Length	3.0 in
Mounting Type	IEC metric flange
Mounting Hole Style	Free mounting holes
Shaft Configuration	Keyed shaft extension
Shaft Key	Yes
Shaft Seal	No
Integral Brake	No
Connector	SpeedTEC DIN
Connector Style	Right-angle
Connector Rotation	180° rotatable
Motor Construction	Compact industrial servo motor
Approximate Weight	6.35 kg

The exact overall dimensions, shaft diameter, pilot dimensions, flange dimensions, and motor body length should be matched against the mechanical installation drawing when the motor is being used as a replacement.

Frame size alone should not be used to determine mechanical interchangeability.

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5. Electrical and Performance Specifications

The MPL-B4530F-MJ72AA is a 400 V AC-class servo motor intended for use with a compatible servo drive.

The motor produces approximately 2.1 kW of continuous output power and approximately 8.25 N·m of continuous stall torque.

Its peak torque capability is approximately 20.3 N·m, giving the motor additional short-duration torque capability for acceleration, deceleration, positioning, and temporary load changes.

Performance Parameter	Value
Voltage Class	400 V AC
Nominal Voltage	460 V
Rated Output	2.1 kW
Rated Speed	3000 rpm
Maximum Speed	3000 rpm
Continuous Stall Torque	8.25 N·m
Peak Torque	20.3 N·m
Rotor Inertia	Approx. 0.00040 kg·m²
Frame Size	130 mm
Magnet Stack	76.2 mm
Feedback	Multi-turn absolute encoder
Feedback Resolution	Approx. 1024 Sin/Cos cycles/rev
Brake	None
Approximate Weight	6.35 kg

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6. Feedback System

The MPL-B4530F-MJ72AA uses a multi-turn high-resolution absolute encoder.

This feedback arrangement is one of the major differences between this model and some other MPL motors using incremental or different feedback configurations.

An absolute feedback system provides the servo control system with detailed position information. The multi-turn capability is especially useful in applications where the motor may rotate through multiple revolutions and the controller needs reliable position information across the operating range.

This type of feedback is well suited to:

• Precision positioning.
• Multi-axis synchronization.
• Electronic gearing.
• Electronic camming.
• Rotary indexing.
• Machine registration.
• High-accuracy assembly.
• Automated material handling.
• Position-dependent processing.
• Coordinated machine motion.

The feedback resolution is based on approximately 1024 Sin/Cos cycles per revolution, with the feedback system providing high-resolution position information to the servo control system.

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7. Advantages of Absolute Multi-Turn Feedback

Absolute multi-turn feedback can provide several practical advantages in machine applications.

Position Awareness

The servo system can obtain detailed position information from the feedback device rather than relying only on motor commands.

Multi-Turn Position Measurement

The motor can be used in applications where the shaft rotates through multiple revolutions while maintaining meaningful position information.

Accurate Motion Control

High-resolution feedback allows the control system to make fine adjustments to motor position and speed.

Coordinated Axis Movement

The feedback system is suitable for applications in which several axes must operate together.

Improved Machine Registration

Machines that need to align a product, material, or mechanism with a specific position can benefit from accurate feedback.

Repeatable Indexing

The motor can be used in applications requiring repeated movement between predetermined positions.

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8. Shaft Configuration

The MPL-B4530F-MJ72AA uses a keyed shaft extension.

This is an important mechanical characteristic because it allows the motor to be coupled with conventional keyed mechanical components.

Typical components include:

• Flexible couplings.
• Gearboxes.
• Timing pulleys.
• Chain-drive components.
• Rotary tables.
• Mechanical indexing mechanisms.
• Belt-drive systems.
• Precision transmission assemblies.

The keyed shaft can be advantageous in machines that already use standardized keyed couplings.

When replacing a motor with another configuration, the shaft key, shaft diameter, shaft extension, and coupling dimensions should be checked carefully.

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9. No Integral Brake

The MPL-B4530F-MJ72AA is a non-brake configuration.

This means the motor does not include an integral holding brake.

This configuration can be suitable for horizontal rotary axes and other applications where the load does not need to be mechanically held when servo torque is removed.

However, special attention is required for vertical or gravity-loaded applications.

If the motor is used for a vertical axis, the machine designer should determine whether an external holding mechanism, mechanical brake, counterbalance, gearbox, or another load-retention method is required.

The servo motor’s electrical torque should not automatically be treated as a substitute for a mechanical holding system.

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10. Connector Configuration

The MPL-B4530F-MJ72AA uses a SpeedTEC DIN connector in a right-angle configuration.

The connector arrangement is designed to provide a compact connection while allowing the connector to be rotated through approximately 180°.

This can be useful when cable routing is restricted by the machine structure.

The connector arrangement may be especially convenient for:

• Compact machine frames.
• Multi-axis machinery.
• Enclosed machine structures.
• Tight cable-routing areas.
• Vertical motor installations.
• Servo cabinets with fixed cable-routing directions.

Adequate clearance should always be provided around the connector to allow cable installation, removal, inspection, and maintenance.

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11. Product Introduction

The MPL-B4530F-MJ72AA is designed for industrial machines where precise rotary motion is essential to the production process.

The motor uses permanent-magnet servo technology and is intended to operate together with a compatible servo drive and motion controller.

Unlike a conventional fixed-speed motor, the servo motor is designed to continuously respond to control commands.

The controller can specify a target position, speed, acceleration, or motion profile.

The servo drive then regulates the motor’s electrical operation.

The encoder measures the motor’s actual position.

The control system compares the commanded and actual motion and makes continuous corrections.

This makes the MPL-B4530F-MJ72AA suitable for machines where repeatability and controlled movement are important.

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12. Low-Inertia Motor Construction

The MPL series is designed around a low-inertia motor concept.

Low rotor inertia is valuable when the motor needs to change speed quickly.

A machine may need to:

• Accelerate rapidly.
• Stop accurately.
• Reverse direction.
• Move to a target position.
• Wait briefly.
• Repeat the cycle.

A low-inertia servo motor is particularly useful for these operating patterns.

The approximately 0.00040 kg·m² rotor inertia provides a relatively low motor inertia for this frame and torque class.

However, motor inertia should always be evaluated together with the reflected load inertia.

A motor that is properly matched to the load can provide much better dynamic performance than a motor selected only according to its power rating.

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13. Typical Applications

13.1 Packaging Machines

The MPL-B4530F-MJ72AA is well suited to packaging systems requiring accurate and repeatable rotary movement.

Potential applications include:

• Film feeding.
• Product indexing.
• Cutting mechanisms.
• Sealing mechanisms.
• Label positioning.
• Product alignment.
• Packaging conveyors.
• Rotary positioning.

The absolute encoder can be particularly useful when the machine requires accurate position information during repeated production cycles.

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13.2 Automated Assembly

Assembly machinery often requires controlled movement between several predefined positions.

The motor can be used for:

• Rotary indexing tables.
• Component positioning.
• Transfer mechanisms.
• Automated insertion.
• Product alignment.
• Feeding systems.
• Workpiece rotation.

The high-resolution feedback allows the motor to participate in accurate positioning sequences.

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13.3 Pick-and-Place Machinery

Pick-and-place equipment frequently requires fast acceleration and precise stopping.

Typical applications include:

• Rotary pick-and-place axes.
• Product transfer.
• Automated sorting.
• Component handling.
• Packaging transfer.
• Assembly positioning.

The low-inertia construction helps support rapid changes in motor speed.

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13.4 Material Handling

Servo-controlled material-handling systems can use the motor for:

• Indexing conveyors.
• Product transfer.
• Positioning systems.
• Automated sorting.
• Rotary transfer units.
• Feed mechanisms.

The motor is particularly useful where the material-handling system requires controlled positioning rather than simple continuous rotation.

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13.5 Printing Machinery

Printing equipment often requires coordinated movement between multiple rollers and material-handling sections.

The motor can be used for:

• Web feeding.
• Roller synchronization.
• Registration control.
• Rotary cutting.
• Feed positioning.
• Material alignment.

The absolute feedback system can support precise synchronization between different machine functions.

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13.6 Converting Machinery

Converting machines often combine continuous material movement with precise rotary processing.

Applications may include:

• Slitting.
• Cutting.
• Feeding.
• Web positioning.
• Registration.
• Roller control.
• Indexing.

The motor’s servo control capability makes it suitable for applications where speed and position must change according to the production process.

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13.7 Machine Tools

The MPL-B4530F-MJ72AA can be considered for selected machine-tool applications involving:

• Auxiliary axes.
• Rotary positioning.
• Automatic feeding.
• Workpiece positioning.
• Indexing.
• Automated adjustment.

The actual suitability depends on the required torque, speed, acceleration, duty cycle, and machine mechanics.

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14. Main Product Advantages

14.1 High-Resolution Absolute Feedback

The multi-turn high-resolution encoder is one of the strongest features of this model.

It provides detailed motor-position feedback and supports accurate servo control.

This makes the motor suitable for machines where position accuracy and repeatability are important.

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14.2 Multi-Turn Capability

Multi-turn feedback is useful when the motor rotates through several revolutions during normal operation.

It can be especially valuable in rotary positioning applications where the controller needs more than simple single-revolution information.

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14.3 Low Rotor Inertia

The low-inertia construction supports fast changes in speed.

This is valuable for machines with short production cycles and frequent acceleration and deceleration.

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14.4 Strong Continuous Torque

With approximately 8.25 N·m continuous stall torque, the motor provides useful continuous torque capability for industrial automation.

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14.5 High Peak Torque

The approximately 20.3 N·m peak torque provides additional torque during short-duration dynamic conditions.

This can help during:

• Acceleration.
• Deceleration.
• Direction changes.
• Temporary overloads.
• Rapid indexing.

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14.6 3000 rpm Speed Capability

The approximately 3000 rpm speed rating makes the motor suitable for a wide range of rotary automation applications.

It provides sufficient speed for many indexing, positioning, feeding, and synchronized-motion applications without moving into an extremely high-speed motor category.

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14.7 Keyed Shaft

The keyed shaft provides compatibility with many conventional mechanical transmission systems.

This can simplify integration into machines already designed around keyed couplings.

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14.8 Flexible Connector Arrangement

The right-angle connector can be rotated through approximately 180°, allowing greater flexibility in cable routing.

This is useful in compact machine designs.

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15. Mechanical Installation

The motor uses an IEC metric flange with free mounting holes.

This mounting arrangement provides flexibility when integrating the motor into industrial machinery.

The following mechanical characteristics should be checked during installation:

• Flange dimensions.
• Pilot dimensions.
• Mounting hole locations.
• Shaft diameter.
• Shaft extension.
• Shaft key dimensions.
• Motor body length.
• Connector clearance.
• Cable routing.
• Coupling alignment.
• Load alignment.
• Available maintenance space.

Correct alignment is particularly important for servo motors.

Misalignment can increase bearing loads, coupling stress, vibration, and mechanical wear.

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16. Environmental Characteristics

The motor is intended for industrial operating conditions within the applicable environmental limits.

Environmental Parameter	Typical Specification
Model	MPL-B4530F-MJ72AA
Operating Temperature	Up to approximately 40°C
Storage Temperature	Typically suitable for industrial storage conditions
Cooling	Natural heat dissipation
Installation Environment	Industrial machinery
Mounting	Flange-mounted
Motor Housing	Industrial-duty construction
Shaft Seal	No shaft seal
Protection Consideration	Application-dependent

Because this configuration does not include a shaft seal, applications involving significant exposure to liquids, dust, or contaminants should be evaluated carefully.

Machine enclosure design and installation conditions can have a major effect on motor service life.

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17. Five Same-Series or Closely Related Models

The following models are useful related choices within the MPL family. The exact suffix should always be checked because feedback, shaft, brake, connector, and other configuration details can differ.

Model	Series	Frame	Stack	Speed	Continuous Torque	Peak Torque	Power	Feedback / Configuration	Weight
MPL-B4530F-MJ74AA	MPL	130 mm	76.2 mm	3000 rpm	Approx. 8.25 N·m	Approx. 20.3 N·m	2.1 kW	Multi-turn high-resolution feedback, related configuration	Approx. 7.3 kg
MPL-B4530F-MK74AA	MPL	130 mm	76.2 mm	3000 rpm	Approx. 8.25 N·m	Approx. 20.3 N·m	2.1 kW	Related absolute-feedback configuration	Approx. 7.3 kg
MPL-B4530F-HK72AA	MPL	130 mm	76.2 mm	3000 rpm	Approx. 8.25 N·m	Approx. 20.3 N·m	2.1 kW	Related encoder configuration	Approx. 7.3 kg
MPL-B4530F-HJ72AA	MPL	130 mm	76.2 mm	3000 rpm	Approx. 8.25 N·m	Approx. 20.3 N·m	2.1 kW	Related feedback configuration	Approx. 7.3 kg
MPL-B4530F-SJ74AA	MPL	130 mm	76.2 mm	3000 rpm	Approx. 8.25 N·m	Approx. 20.3 N·m	2.1 kW	Related feedback configuration	Approx. 7.3 kg

Related Model Selection

The MPL-B4530F family contains multiple suffix configurations.

The basic motor family can remain similar while the final characters identify differences in:

• Feedback.
• Shaft configuration.
• Brake.
• Connector arrangement.
• Electrical options.
• Factory configuration.

For this reason, a related model should not automatically be treated as a direct replacement.

For replacement applications, the complete catalog number should be compared with the original motor.

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18. Five Popular Models from the Same Brand

The following models provide useful alternatives within the broader servo motor range.

Model	Series	Frame	Speed	Continuous Torque	Peak Torque	Power	Approx. Weight	Main Advantage
MPL-B430P-MK74AA	MPL Low-Inertia	115 mm class	5000 rpm	6.55 N·m	19.8 N·m	2.2 kW	Approx. 5.5 kg	Higher-speed compact motion
MPL-B430P-MK72AA	MPL Low-Inertia	115 mm class	5000 rpm	6.55 N·m	19.8 N·m	2.2 kW	Approx. 5.5 kg	High-speed positioning
MPL-B4530F-MK74AA	MPL Low-Inertia	130 mm	3000 rpm	8.25 N·m	20.3 N·m	2.1 kW	Approx. 7.3 kg	Similar torque class
MPL-B4540F-MJ74AA	MPL Low-Inertia	130 mm class	3000 rpm	10.2 N·m	27.1 N·m	2.6 kW	Approx. 8.6 kg	Higher torque capacity
MPL-B4560F-MJ74AA	MPL Low-Inertia	130 mm class	3000 rpm	14.1 N·m	34.4 N·m	3.2 kW	Approx. 11.82 kg	High-torque motion

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19. Comparison with Related Motors

Model	Rated Speed	Continuous Torque	Peak Torque	Output Power	Frame	Weight	Typical Position
MPL-B430P-MK74AA	5000 rpm	6.55 N·m	19.8 N·m	2.2 kW	115 mm	Approx. 5.5 kg	Compact high-speed applications
MPL-B430P-MK72AA	5000 rpm	6.55 N·m	19.8 N·m	2.2 kW	115 mm	Approx. 5.5 kg	Fast positioning applications
MPL-B4530F-MJ72AA	3000 rpm	8.25 N·m	20.3 N·m	2.1 kW	130 mm	Approx. 6.35 kg	High-resolution absolute feedback
MPL-B4530F-MK74AA	3000 rpm	8.25 N·m	20.3 N·m	2.1 kW	130 mm	Approx. 7.3 kg	Related absolute-feedback option
MPL-B4540F-MJ74AA	3000 rpm	10.2 N·m	27.1 N·m	2.6 kW	130 mm class	Approx. 8.6 kg	Higher-load applications
MPL-B4560F-MJ74AA	3000 rpm	14.1 N·m	34.4 N·m	3.2 kW	130 mm class	Approx. 11.82 kg	High-torque applications

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20. Why Choose the MPL-B4530F-MJ72AA?

The MPL-B4530F-MJ72AA is particularly attractive when the application requires a combination of low inertia, moderate-to-high servo torque, 3000 rpm speed capability, and high-resolution multi-turn absolute feedback.

Its approximately 2.1 kW output is suitable for a broad range of medium-duty automation applications.

The 8.25 N·m continuous torque rating provides a solid continuous torque capability, while the 20.3 N·m peak torque rating provides additional dynamic capacity.

The motor’s 130 mm frame gives it a practical industrial form factor.

The 76.2 mm magnetic stack allows the motor to provide its rated torque without requiring an excessively large frame.

The keyed shaft makes the motor straightforward to integrate into mechanical systems that use conventional keyed couplings.

The absolute multi-turn feedback system is another major advantage, particularly for applications where the controller needs detailed position information.

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21. Applications Where Absolute Multi-Turn Feedback Is Especially Useful

Rotary Indexing

The motor can accurately move an indexing mechanism between predefined positions.

Automated Assembly

The motor can position components or tools with repeatable accuracy.

Registration Systems

The motor can participate in machine systems that need accurate synchronization between material and processing mechanisms.

Multi-Axis Machinery

The feedback system can be used as part of coordinated motion between several servo axes.

Electronic Gearing

The motor can operate in applications where its movement needs to follow another axis electronically.

Electronic Camming

The motor can participate in programmed motion profiles synchronized with another machine axis.

Precision Material Handling

The motor can provide controlled movement and repeatable positioning for automated handling equipment.

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22. Important Selection Considerations

Feedback Compatibility

The first item to check is the compatibility between the motor’s absolute feedback system and the intended servo drive.

A motor with a different encoder or feedback protocol may not be a direct electrical replacement.

Shaft Compatibility

This model uses a keyed shaft.

The coupling or mechanical transmission should therefore be compatible with the shaft key and shaft dimensions.

Brake Requirement

The MJ72AA configuration does not include an integral brake.

For vertical axes or gravity-loaded mechanisms, the machine should have an appropriate holding method if required.

Motor Inertia

The motor’s rotor inertia should be compared with the load inertia.

This is particularly important in high-acceleration applications.

Continuous Torque

The machine’s continuous torque requirement should remain within the motor’s continuous capability.

Peak Torque

The acceleration and transient load requirements should be compared with the available 20.3 N·m peak torque.

Speed

The required operating speed should be evaluated together with torque and duty cycle.

Mounting

The 130 mm frame and IEC metric flange should be checked against the machine mounting arrangement.

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23. Replacement Checklist

When replacing an existing servo motor with an MPL-B4530F-MJ72AA, the following characteristics should be verified.

Replacement Item	Required Check
Complete Model Number	MPL-B4530F-MJ72AA
Voltage	400 V AC class
Rated Speed	3000 rpm
Output Power	2.1 kW
Continuous Torque	8.25 N·m
Peak Torque	20.3 N·m
Frame	130 mm
Stack	76.2 mm
Feedback	Multi-turn high-resolution absolute encoder
Feedback Protocol	Hiperface-type
Shaft	Keyed
Shaft Seal	None
Brake	None
Connector	SpeedTEC DIN
Connector Direction	Right angle
Connector Rotation	180°
Mounting	IEC metric flange
Weight	Approx. 6.35 kg
Drive Compatibility	Must be verified
Cable Compatibility	Must be verified
Mechanical Coupling	Keyed-shaft compatible
Machine Clearance	Must be verified

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24. Product Advantages at a Glance

Feature	Advantage
Low-Inertia Rotor	Fast dynamic response
2.1 kW Output	Suitable for medium-duty motion applications
8.25 N·m Continuous Torque	Good continuous torque capability
20.3 N·m Peak Torque	Useful for acceleration and transient loads
3000 rpm Speed	Suitable for many industrial rotary applications
Absolute Multi-Turn Feedback	Detailed position information
High-Resolution Encoder	Precise closed-loop control
Keyed Shaft	Compatible with conventional keyed couplings
No Brake	Suitable for applications that do not require shaft holding
Right-Angle Connector	Convenient cable routing
Rotatable Connector	Flexible installation
130 mm Frame	Balanced size and torque
76.2 mm Stack	Practical torque-producing configuration
IEC Metric Flange	Industrial machine integration

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25. Typical Machine Categories

The MPL-B4530F-MJ72AA can be considered for the following machine categories:

Machine Category	Suitability	Typical Function
Packaging Machines	Excellent	Feeding, indexing, cutting
Automated Assembly	Excellent	Positioning, transfer, indexing
Pick-and-Place	Excellent	Rotary positioning
Printing Equipment	Very Good	Registration and synchronized motion
Converting Equipment	Very Good	Feeding and rotary processing
Material Handling	Very Good	Positioning and transfer
Indexing Tables	Excellent	Precise rotary indexing
Machine Tools	Good	Auxiliary positioning
Rotary Processing Equipment	Excellent	Controlled rotary motion
General Automation	Excellent	Servo positioning and speed control

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26. Technical Summary

Category	Detailed Specification
Product	Servo Motor
Model	MPL-B4530F-MJ72AA
Brand	Allen-Bradley
Series	MPL Low-Inertia Brushless Servo Motors
Motor Family	MPL Servo Motors
Motor Type	Permanent-magnet AC servo motor
Voltage Class	400 V AC
Nominal Voltage	460 V
Frame Size	130 mm
Frame Size	5.12 in
Magnet Stack	76.2 mm
Magnet Stack	3.0 in
Rated Speed	3000 rpm
Maximum Speed	3000 rpm
Rated Output	2.1 kW
Continuous Stall Torque	8.25 N·m
Peak Torque	20.3 N·m
Rotor Inertia	Approx. 0.00040 kg·m²
Feedback Type	Multi-turn high-resolution absolute encoder
Feedback Resolution	Approx. 1024 Sin/Cos cycles/rev
Feedback Protocol	Hiperface-type
Shaft	Keyed shaft extension
Shaft Seal	No
Brake	No
Connector	SpeedTEC DIN
Connector Style	Right angle
Connector Rotation	180° rotatable
Mounting	IEC metric flange
Mounting Holes	Free mounting holes
Approximate Weight	6.35 kg
Cooling	Natural heat dissipation
Typical Operating Temperature	Up to approximately 40°C
Main Application	Industrial motion control
Control Method	Closed-loop servo control

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27. Final Product Description

The MPL-B4530F-MJ72AA is a high-performance low-inertia permanent-magnet servo motor designed for industrial automation and precision motion-control applications.

With a 130 mm frame, 76.2 mm magnetic stack, approximately 2.1 kW continuous output, 8.25 N·m continuous stall torque, and approximately 20.3 N·m peak torque, the motor provides a strong balance between physical size, torque capability, and dynamic performance.

Its 3000 rpm rated speed makes it suitable for a wide range of rotary automation applications, including indexing, feeding, positioning, assembly, packaging, material handling, printing, and converting machinery.

The most distinctive characteristic of the MPL-B4530F-MJ72AA is its multi-turn high-resolution absolute feedback system. This provides the servo system with detailed position information and makes the motor particularly useful in applications requiring precise positioning and coordinated machine movement.

The low-inertia construction helps the motor respond quickly to changes in speed and torque. This is particularly useful for machines with frequent acceleration and deceleration cycles, short production cycles, rapid indexing, or repeated directional changes.

The keyed shaft extension makes the motor suitable for conventional mechanical coupling arrangements, while the right-angle, 180° rotatable SpeedTEC DIN connector provides flexibility for cable routing in compact machine installations.

The motor does not include an integral holding brake. This is an important selection point for vertical or gravity-loaded applications. Where the load must remain mechanically secured after servo power is removed, an appropriate external holding solution should be considered.

For replacement applications, the complete model number should be verified together with feedback type, shaft configuration, mounting dimensions, connector arrangement, drive compatibility, cable requirements, and mechanical load characteristics.

Overall, the MPL-B4530F-MJ72AA is a well-balanced industrial servo motor for applications where precise closed-loop positioning, high-resolution multi-turn feedback, low-inertia dynamic response, and reliable 3000 rpm operation are required.