Description

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Product Title

Allen‑Bradley MPL‑A420P‑HJ22AA – Low‑Inertia AC Servo Motor

Product Overview

The Allen‑Bradley MPL‑A420P‑HJ22AA is a high‑performance AC servo motor from the MP‑Series™ low‑inertia family, engineered for precision motion control in demanding industrial automation environments. Designed to be paired with Kinetix® or PowerFlex® servo drives, this motor delivers dynamic response and repeatable positioning ideal for high‑speed applications such as material handling, robotics, packaging equipment, and precision machine tools.

This motor supports fast acceleration and deceleration profiles thanks to its low rotor inertia and high continuous power output. Equipped with an incremental feedback encoder, the MPL‑A420P‑HJ22AA enables tight motion control and accurate position feedback for closed‑loop systems. Built with a robust industrial housing and standard connectors, it integrates seamlessly into automation systems needing compact, reliable motion solutions.

Technical Specifications

Product Model: MPL‑A420P‑HJ22AA

Brand: Allen‑Bradley

Warranty: One Year

Motor Type: AC Brushless Permanent Magnet Servo Motor

Voltage Class: ~200 V AC three‑phase industrial supply

Frame Size: 115 mm (IEC metric)

Rated Speed: 5000 RPM

Continuous Power Output: ~2.0 kW (typical)

Continuous Stall Torque: ~4.74 Nm

Peak Torque: ~10.2 Nm

Feedback: 2000‑line incremental encoder

Rotor Inertia: ~0.00026 kg·m²

Shaft Type: Keyed shaft

Connectors: Circular bayonet, facing shaft

Mounting: IEC metric flange mount

Brake: No integrated brake (standard)

Operating Temperature: Typical industrial range (0 °C to 40 °C)

Protection & Environment: IP‑rated industrial housing

Compatible Drives: Allen‑Bradley Kinetix and select PowerFlex servo drives

Dimensions: Standard 115 mm servo motor form factor
(specifications based on general industry listings and product references)

Main Features and Benefits

High Dynamic Response:
Low rotor inertia combined with high continuous power allows excellent acceleration and deceleration characteristics, improving precision motion control.

Precision Feedback Integration:
Equipped with a 2000‑line incremental encoder, the motor provides accurate position feedback to servo drives for tight closed‑loop control and repeatability.

Compact Industrial Design:
The 115 mm frame with keyed shaft and circular connectors suits high‑density automation installations and ensures robust mechanical performance under continuous operation.

Modular Drive Compatibility:
Designed to work with Allen‑Bradley motion drives like Kinetix series, simplifying system integration and configuration within Rockwell Automation architectures.

Reliable Industrial Construction:
Engineered for industrial environments, this servo motor supports consistent performance in manufacturing, packaging, and material handling systems.

Application Scenarios

Precision Positioning Machines:
Used on axes requiring accurate speed and position control in CNC machines, robotic arms, and pick‑and‑place equipment.

Packaging & Material Handling:
Provides responsive motion control for conveyor positioning, indexing tables, and automated sorting systems.

Automated Assembly Lines:
Drives mechanisms where synchronized motion and repeatable travel are critical to product quality and throughput.

Industrial Robotics:
Suitable for robotic joints and end‑effector motion where dynamic performance and feedback accuracy are required.

Frequently Asked Questions (FAQ)

Q: What is the main function of the Allen‑Bradley MPL‑A420P‑HJ22AA?
A: It is a low‑inertia AC servo motor that delivers precise motion control by converting electrical drive signals into accurate rotational motion, supported by high‑resolution encoder feedback.

Q: Which drive systems is the MPL‑A420P‑HJ22AA compatible with?
A: This motor is typically compatible with Allen‑Bradley Kinetix servo drives and other Rockwell Automation motion platforms that support MP‑Series motors.