Product Introduction

The Allen Bradley MPL-B4540F-SJ72AA Servo Motor is intended for use in compatible industrial motion control systems where controlled and repeatable movement is required. In automated machinery, servo motors work with drive electronics and feedback devices to regulate motor operation according to commands from the motion controller.

The specified 130 mm frame size and 8.6 kg weight provide useful reference information for installation planning, handling, and spare-parts management. These values alone do not establish electrical compatibility or interchangeability with other motors in the same family.

When sourcing this model, maintenance engineers and procurement teams should confirm the complete catalog number and consult the manufacturer's documentation for electrical ratings, feedback configuration, connectors, and mechanical dimensions. These checks are especially important when replacing a motor in an existing production line.

Accurate model identification helps reduce purchasing errors and supports efficient maintenance of industrial automation equipment.

Technical Specifications

Parameter	Specification
Brand	Allen-Bradley
Model	MPL-B4540F-SJ72AA
Product Type	Servo Motor
Product Family	MP-Series
Frame Size	130 mm
Weight	8.6 kg / 18.96 lb
Rated Power	Verify manufacturer's datasheet
Rated Voltage	Verify manufacturer's datasheet
Rated Speed	Verify manufacturer's datasheet
Feedback Configuration	Verify exact model specifications
Brake Configuration	Verify exact model specifications
Shaft and Mounting Details	Refer to manufacturer's mechanical drawings
Typical Application	Industrial servo motion control

Recommended Related Models

The following Allen-Bradley MP-Series servo motors are related catalog references for product comparison and spare-parts research. Similar family designations do not guarantee direct interchangeability.

Model	Product Type	Selection Consideration
MPL-B4540F-RJ72AA	Servo Motor	Verify feedback and connection details
MPL-B4540F-RJ74AA	Servo Motor	Confirm electrical and mechanical compatibility
MPL-B4540F-RK72AA	Servo Motor	Compare configuration suffixes
MPL-B4540F-RK74AA	Servo Motor	Check exact catalog specifications
MPL-B4540F-HJ72AA	Servo Motor	Verify drive compatibility

Popular Related Models

These additional Allen-Bradley MP-Series motor models may be useful when reviewing compatible motion control components or managing maintenance inventory.

Model	Product Type	Selection Consideration
MPL-B4540F-HJ74AA	Servo Motor	Confirm feedback and electrical ratings
MPL-B4540F-HK72AA	Servo Motor	Verify the complete configuration
MPL-B4540F-HK74AA	Servo Motor	Check mounting and drive requirements
MPL-B4540F-MJ74AA	Servo Motor	Confirm connector and feedback details
MPL-B4540F-MK72AA	Servo Motor	Compare specifications with the application

For replacement projects, verify the full catalog number and official technical documentation before installation to ensure the selected motor matches the existing servo system.

Applications and Industrial Use

The Allen Bradley MPL-B4540F-SJ72AA Servo Motor is an industrial motion control component intended for automated machinery that requires controlled rotation, repeatable positioning, and coordinated movement. As part of the Allen-Bradley MP-Series servo motor family, it is designed for integration into compatible servo systems used across manufacturing and industrial automation.

Typical application areas include:

Packaging Machinery: Supports controlled movement in automated packaging, indexing, and product-handling equipment.
Material Handling: Suitable for consideration in compatible positioning and transfer systems.
Automated Assembly: Supports repeatable movement in assembly machines and production lines.
Machine Tools: Can be used in compatible servo-driven axes where motor ratings meet application requirements.
Printing and Converting: Supports motion applications requiring coordinated speed and positioning.
General Industrial Automation: Provides a motor option for machinery designed around compatible Allen-Bradley servo drives and controllers.

The motor's suitability for a particular machine depends on its electrical ratings, feedback configuration, mechanical interface, and compatibility with the installed drive.

Advantages and Performance Features

1. Controlled Motion Performance

When paired with a compatible servo drive and properly configured feedback system, the motor can support controlled acceleration, deceleration, and positioning.

2. 130 mm Frame Size

The specified frame size helps engineers assess installation requirements and plan equipment layouts. Exact mounting dimensions and shaft specifications should be verified using the manufacturer's drawings.

3. Integration into Servo Control Systems

The motor can be considered for compatible Allen-Bradley motion control architectures. Drive selection should account for the motor's electrical and feedback requirements rather than frame size alone.

4. Repeatable Positioning

A correctly sized and tuned servo system can support consistent motion across repeated machine cycles, making it useful for automated production processes.

5. Simplified Replacement Identification

Using the complete catalog number, MPL-B4540F-SJ72AA, helps maintenance teams distinguish this motor from similar models with different configuration suffixes.

6. Industrial Automation Versatility

Servo motors are used in a wide range of automated equipment. The correct selection depends on the required torque, operating speed, load inertia, duty cycle, and environmental conditions.

Technical FAQs

Q1: What is the Allen Bradley MPL-B4540F-SJ72AA Servo Motor?

It is an Allen-Bradley MP-Series servo motor catalog model intended for industrial motion control. Refer to the product documentation and nameplate to confirm the exact configuration.

Q2: What is the frame size of this motor?

The supplied specification lists a frame size of 130 mm.

Q3: What is the motor's weight?

The specified weight is 8.6 kg, equivalent to approximately 18.96 lb.

Q4: Which servo drive is compatible with the MPL-B4540F-SJ72AA?

The compatible drive must meet the motor's electrical ratings and support its feedback and connection configuration. Verify the exact pairing using Allen-Bradley documentation.

Q5: Can this motor be used for precision positioning?

When integrated with a compatible servo drive, feedback system, and appropriately tuned controller, it can support closed-loop motion control and repeatable positioning.

Q6: What should be verified before replacing an existing servo motor?

Check the full catalog number, nameplate ratings, shaft and mounting dimensions, feedback interface, connectors, and brake configuration if applicable. Confirm that the replacement matches the existing drive and machine requirements.

Q7: Why does the model suffix matter?

Suffixes can identify differences in motor configuration. Two motors with similar base numbers should not be assumed interchangeable without checking the manufacturer's specifications.

Q8: What factors affect servo motor sizing?

Important factors include torque demand, operating speed, acceleration, load inertia, duty cycle, transmission design, and the machine's operating environment.

Q9: What can cause servo positioning errors?

Possible causes include incorrect tuning, feedback faults, mechanical backlash, loose couplings, excessive load inertia, wiring problems, or incorrect drive parameters.

Q10: What information should be provided when ordering this motor?

Provide the complete catalog number, MPL-B4540F-SJ72AA, and verify the electrical, feedback, and mechanical requirements against the original equipment documentation.