MPL-B4530F-SJ72AA

Precision low-inertia servo motor MPL‑B4530F‑SJ72AA for dynamic motion control

The Allen‑Bradley MPL‑B4530F‑SJ72AA is a high-performance AC rotary servo motor from the MP-Series. Designed for applications requiring rapid acceleration and precise positioning, it features a 130 mm frame (Frame 45), 3000 rpm rated speed, low-inertia rotor design, and a high-resolution single-turn encoder. Operating on 480 V AC, it delivers the torque and speed needed for advanced industrial automation.

Technical specifications

• Manufacturer: Allen‑Bradley / Rockwell Automation

• Series: MP-Series MPL Servo Motor

• Rated voltage: 480 V AC

• Rated speed: 3000 rpm

• Frame size: 130 mm (Frame 45)

• Magnet stack length: 76.2 mm (Size 30)

• Shaft type: Keyed shaft

• Feedback: High-resolution single-turn encoder

• Brake: No brake

• Connector: Right-angle SpeedTec connector

• Mounting: Flange mount

• Dimensions: Approx. 130 mm diameter × ~200 mm length

• Weight: Approx. 6–8 kg (typical for this configuration)

Key advantages

• Low-inertia design for high-speed motion applications

• Accurate positioning with high-resolution feedback

• Compact and robust construction for industrial environments

• No-brake configuration simplifies mechanical integration

• Ideal for indexing, robotics, and precision automation

Application and use cases of MPL‑B4530F‑SJ72AA

This servo motor is widely used in machine tools, high-speed packaging, robotics, material handling, and motion control systems where fast, precise, and repeatable movement is critical. Its compact footprint and high performance make it ideal for integration in demanding automation applications.

About the manufacturer

Allen‑Bradley, part of Rockwell Automation, is a leading provider of industrial automation components. Their MP-Series servo motors are known for reliability, performance, and integration with Rockwell motion platforms like Kinetix drives and Logix controllers.