Allen-Bradley MPL-A310P-HJ72AA MP-Series Motors

Allen-Bradley MPL-A310P-HJ72AA MP-Series MPL low-inertia servo motor, 230V class, 100 mm frame, 1.0 in. stack, 5,000 rpm, incremental encoder, keyed shaft, SpeedTec DIN connectors. NJT Automation offers mail-in repair for the MPL-A310P-HJ72AA with a 1-year warranty; replacement pricing is available on request.

Mail-in repair available now. Returned with a 1-year warranty. Replacement pricing on request.

Allen-Bradley MPL-A310P-HJ72AA MP-Series MPL low-inertia servo motor, 200V-class – Series A (1 of 7)

Actual NJT inventory photos

Request Replacement Quote Request Repair QuoteEstimated $1,440.00

Part Number	MPL-A310P-HJ72AA
Price	On Request Previously sold for $1,799.99 USDAvailability and condition determine final quote.
Description	MP-Series MPL low-inertia servo motor, 200V-class.
Shipping	UPS Ground included \| Next-Day Air and Worldwide Shipping available at checkout
Warranty	1-year full-function warranty provided by NJT Automation. Warranty details Included 1 year, full-function 2 years +15% of product price ($270.00) 3 years +25% of product price ($450.00) View full warranty policy
Returns	90-day free returns. View return policy
Exchange	Send us your defective MPL-A310P-HJ72AA after your purchase for a 10% core credit. We also purchase old or damaged parts outright.

Availability

Sourced on request

We do not have a MPL-A310P-HJ72AA on the shelf right now. We can source one through our supplier network; request a quote and we confirm availability, price and lead time before you commit.

Sourcing

Sourced through our Level 1 network of vetted US suppliers. Each unit is checked before it ships and carries the same NJT warranty and return policy as our own stock. Quotes within one hour during business hours; typical delivery 3–5 business days, next-day air available. Sourced parts are not available for local pickup.

Request Quote How Level 1 sourcing works

Repairs

MPL-A310P-HJ72AA Mail-In Repair Service

Estimated: $1,440.00

Part Number Decoder

MP-Series MPL low-inertia servo motor

MPLA310PHJ72AA

MPL: BulletinMP-Series (Bulletin MPL) low-inertia brushless servo motors: Rockwell Automation's premium permanent-magnet rotary motors, used with Kinetix 2000 / 6000 / 6200 / 6500 and Kinetix 300 / 350 drives.
A: Voltage class200V-class winding (230V AC drives).
3: Frame size100 mm IEC flange (frame code 3).
10: Magnet stack1.0 in. (25.4 mm) magnet stack length: longer stacks raise torque within the same frame.
P: Rated speed5,000 rpm rated speed.
H: Feedback2000 line-per-revolution incremental encoder.
J: ShaftKeyed shaft, no shaft seal (seal kits are ordered separately).
7: ConnectorsCircular SpeedTec DIN connectors, right angle, 180° rotatable (quick connect).
2: BrakeNo holding brake.
A: MountingIEC metric mounting flange with free mounting holes.
A: Factory optionsStandard factory options.

Decoded from the Rockwell Automation catalog-number structure. Series and firmware revision are printed on the product label, not encoded here.

Series & Revisions

No series in stock today; request a series above.

Intended Use

Built for precision servo positioning applications. The motor pairs with a Kinetix or Ultra drive to position axes on packaging, converting, printing, pick-and-place and assembly machines; frame size, winding and feedback are matched to the drive and the axis's torque and speed.

Physical Data

Weight and DimensionsBox12 × 10 × 8 in.

Shipping Box (L × W × H)	12 × 10 × 8 in. (305 × 254 × 203 mm) Most common box recorded for this catalog number

Shipping box and weight are recorded from previous shipments of this catalog number and are provided for freight planning.

Allen Bradley Information

Technical SpecificationsLifecycle status

Lifecycle	Active Verify current status with the manufacturer.

Previously sold MPL-A310P-HJ72AA

1 sold

NJT Automation has supplied and shipped one MPL-A310P-HJ72AA MP-Series MPL low-inertia servo motor in 2024; request a quote and we will source another from our supplier network.

Sold: 1 in 2024
Series: A × 1

Sold

Allen Bradley MPL-A310P-HJ72AA Ser A 230 Volt AC Rotary Servo Motor - No Box

$1,799.99 USD

Unused surplus (open box)

Request Quote

Can the MPL-A310P-HJ72AA be repaired?

Yes. NJT Automation repairs the MPL-A310P-HJ72AA by mail-in: diagnostic evaluation, component-level repair and a functional test, backed by a 1-year full-function warranty.

NJT managed repair. No evaluation fee; no repair, no charge. Prepaid UPS label both ways, $650 minimum, rush available. 1-year full-function warranty included, 2- and 3-year options.

Get a repair quoteor text photos and symptoms to (414) 331-5954

Compare quotes from independent repair technicians. Post your repair on RepairMode to receive competitive bids from experienced technicians. Each technician sets their own pricing and warranty.

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Common failures

Failure patterns we regularly see on MP-Series MPL low-inertia servo motor hardware like the MPL-A310P-HJ72AA:

Connector pin damage at the power or feedback connector
Feedback (encoder / resolver) failure: feedback lost or position noise faults
Bearing wear: noise, vibration and increased current
Shaft seal failure allowing coolant or oil into the motor
Brake not releasing or not holding on brake-equipped motors

Related services:Servo Motor Repair All Repair Services

Photos by NJT Automation; test videos from NJT or network repair technicians.

Still have questions?

Find answers to shipping, warranties, repairs, and more.

Frequently Asked Questions

What is the MPL-A310P-HJ72AA?

The Allen-Bradley MPL-A310P-HJ72AA is a MP-Series MPL low-inertia servo motor, 230V class, 100 mm frame, 1.0 in. stack, 5,000 rpm, incremental encoder, keyed shaft, SpeedTec DIN connectors, no brake.

What condition is it in?

The MPL-A310P-HJ72AA may be available on request in Unused surplus / Refurbished / Used condition. We can quote this part in unused surplus, refurbished, or used condition depending on availability and your preference. Specify your requirement in the RFQ.

When does this part ship?

The MPL-A310P-HJ72AA is sourced on request. Request a quote and we'll confirm availability and lead time, typically a few business days.