Allen‑Bradley MPM-B2153F-MJ72AA – MP-Series medium-inertia servo motor for Kinetix motion platforms

The Allen‑Bradley MPM-B2153F-MJ72AA is part of the MP-Series medium‑inertia servo motor family. It’s a solid choice when you need smooth control of higher-inertia loads—think camming on indexing conveyors, rotary knives, small form-fill-seal axes, or precision unwind applications. One thing I appreciate is how reliably these pair with Kinetix drives; in many cases you get quick commissioning and stable loop performance with minimal tuning tweaks. You might notice the MJ72 feedback option on this unit—that typically indicates a high‑resolution absolute encoder configuration, which helps you power up and run without homing.

Company’s Order Placement Process and Guarantees

• – Warranty period: 365 days

• – Delivery time: 1 week for in‑stock items; no more than one month at the latest

• – Payment: 50% advance payment; full payment before delivery

– Express delivery options: FedEx, UPS, DHL

Key Features

• Medium‑inertia rotor – Helps dampen overshoot and reduces the need for aggressive gain settings on heavier or compliant loads.
• Absolute high‑resolution feedback (MJ72 option) – Typically multi‑turn absolute; start up without homing and improve position repeatability.
• SpeedTec quick‑connects – Separate power and feedback circular connectors for fast installation and easy service.
• Robust environmental sealing – With proper mated connectors and shaft seal, MP‑Series motors typically achieve IP65 for washdown‑adjacent areas.
• Kinetix drive compatibility – Works with mainstream Kinetix platforms (e.g., 5500/5700) for integrated EtherNet/IP or SERCOS motion via the drive.
• Smooth low‑speed control – From my experience, these motors track low‑speed moves with less cogging, which is useful for tensioning and dispensing.
• Global support – Allen‑Bradley MP‑Series typically carries CE and cULus marks and is supported worldwide for spares and service.

Technical Specifications

Related or Supporting Products

• Allen‑Bradley MPL‑B Series – Low‑inertia alternative when you need faster acceleration on lighter loads.
• Allen‑Bradley MPF‑B Series – Food‑grade variant with special coatings and seals for hygienic zones.
• Kinetix 5500 (2198‑xxx) Drives – Compact EtherNet/IP motion drives that commonly pair with MP‑Series motors.
• Kinetix 5700 (2198‑xxxx) Drives – Higher power, multi‑axis options; helpful when scaling lines or adding axes.
• Kinetix 6000/6500 – Legacy SERCOS/Integrated Axis-tier drives; still widely used in installed bases.
• 2090 Series Motor Cables – Shielded power and feedback cables with SpeedTec connectors; available in straight or 90° boots and multiple lengths.
• Shaft keys and seal kits – Genuine MP‑Series accessories for maintaining IP and mechanical integrity over time.

A customer in converting recently swapped a legacy axis to MPM‑B with MJ72 feedback and a Kinetix 5500. Startup was quick—no homing routine needed—and the axis handled stop‑start cuts on a 24/7 shift with noticeably less overshoot.

Installation & Maintenance

• Panel/cabinet standards – Use an industrial cabinet for the drive with proper bonding; route motor power and feedback in separate shields to reduce EMI.
• Ventilation – Allow free air circulation around the motor body; avoid enclosing the motor unless derating or forced cooling is considered.
• Wiring – Use approved 2090‑series shielded cables; maintain bend radius; ensure SpeedTec connectors fully latch for IP integrity.
• Mechanical alignment – Align couplings carefully to protect bearings; never strike the shaft; use the keyed shaft as intended.
• Vertical loads – If the application is vertical or safety‑critical, specify a motor option with a holding brake and validate the safe stop path through the drive.
• Routine checks – Periodically inspect connectors and seals, listen for bearing noise, and wipe the housing with a dry cloth. Encoder parameters should be backed up in the controller project; drive firmware updates (when applicable) can enhance performance.

Quality & Certifications

• CE and cULus markings typical for MP‑Series motors
• RoHS compliance for hazardous substances
• Manufactured under ISO 9001 quality systems
• Manufacturer’s standard warranty typically 12 months; our coverage is 365 days from shipment