Allen-Bradley MPL-B4530K-SJ72AA MPL Servo Motor

Product Overview

The Allen-Bradley MPL-B4530K-SJ72AA is a MP-Series low-inertia brushless AC servo motor designed for high-speed, high-precision motion control systems.

It is typically used together with:

• Kinetix servo drives (K5500 / K5700 / K6500 etc.)
• CompactLogix / GuardLogix motion control systems

• Key Specifications (verified)

  • Brand: Allen-Bradley (Rockwell Automation)
  • Series: MP-Series MPL
  • Model: MPL-B4530K-SJ72AA
  • Motor Type: Low inertia brushless servo motor
  • Frame Size: 130 mm (Frame 45)
  • Rated Voltage: 460 VAC class
  • Rated Speed: up to 4000 RPM
  • Power Output: ~2.6 kW class (depends on duty point)
  • Torque: ~8.25 Nm (typical rating)
  • Encoder: High-resolution single-turn feedback
  • Shaft: Keyed shaft (industrial coupling design)
  • Connector: SpeedTEC DIN quick-connect (rotatable 180°)
  • Brake: No holding brake (standard variant)
  • Protection: Industrial IP65–IP66 class enclosure (variant dependent)

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  What It Does (Simple Explanation)

  This servo motor provides precise motion control:

  1. Drive (Kinetix) sends controlled current
  2. Motor converts it into precise torque
  3. Encoder feedback tells position and speed
  4. System corrects movement in real time

   

  • extremely accurate positioning
  • fast acceleration/deceleration
  • smooth motion control

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  Key Features

  • Low inertia design → very fast response
  • High-resolution encoder feedback
  • 4000 RPM high-speed capability
  • Industrial rugged construction
  • Plug-and-play with Kinetix drives
  • Strong torque-to-size ratio

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  Advantages

  • High precision positioning (industrial robotics level)
  • Very fast dynamic response
  • Stable operation under heavy motion cycles
  • Widely used Rockwell motion ecosystem
  • Easy integration with Studio 5000 motion control

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  Applications

  • Robotics arms and joints
  • Packaging machines
  • CNC auxiliary axes
  • High-speed pick & place systems
  • Printing / labeling machines
  • Automotive automation lines

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  Important Precautions

  •  
  • Incorrect tuning may cause:
    • vibration
    • overheating
    • position/velocity errors
  • Requires correct:
    • motor database in Studio 5000
    • feedback configuration
    • inertia matching
  • Not compatible with VFD (PowerFlex) drives
  • If wiring/feedback is wrong:
    • motor may jitter or lock
    • drive may fault immediately