Unitronics UMM-0040EAB-B5 4kW AC servo motor with 400V three-phase supply, 23-bit absolute encoder and integrated holding brake designed for industrial motion control.
£1,925.00
The Unitronics UMM-0040EAB-B5 is a high-performance AC servo motor designed for demanding industrial motion control applications requiring precision, reliability and dynamic response. As part of the advanced Unitronics B5 Series Servo Motor range, it is engineered to work seamlessly with Unitronics servo drive systems, providing accurate positioning, speed regulation and torque control for modern automation environments.
Featuring a robust construction, integrated absolute encoder and electromagnetic holding brake, this servo motor is ideal for machine builders, OEMs and automation engineers seeking dependable motion performance. The motor delivers smooth operation, fast acceleration and high positioning accuracy while simplifying commissioning and integration with Unitronics PLC and motion control platforms.
With a rated output power of 4 kW and a 400 V three-phase configuration, the UMM-0040EAB-B5 is well suited to packaging machinery, robotics, material handling equipment, CNC systems and other industrial automation applications requiring precise servo motion control.
Servo motors are designed to provide highly accurate control of position, speed and torque. The Unitronics UMM-0040EAB-B5 combines a high-resolution absolute encoder with advanced servo drive technology to deliver smooth and repeatable machine movement even under rapidly changing load conditions.
Its low inertia design supports fast acceleration and deceleration, making it particularly suitable for dynamic applications where productivity, positioning accuracy and cycle times are critical. The integrated brake further enhances machine safety and holding performance during power loss or emergency stop conditions.
| Type | Servo Motor |
|---|---|
| Power | 4 kW |
| Voltage | 400 V |
| Phase | Three Phase |
| Series | B5 Servo Motor Series |
| Product type | AC servo motor |
| Rated power | 4 kW |
| Supply voltage | 400 V AC |
| Rated speed | 3000 rpm |
| Maximum speed | 5000 rpm |
| Rated torque | 12.8 Nm |
| Encoder type | 23-bit absolute encoder |
| Brake | Integrated holding brake |
| Protection rating | IP65 |
| Insulation class | Class F |
| Mounting configuration | B5 flange mounting |
This servo motor is designed for precise motion control applications including robotics, packaging machinery, CNC equipment and automated production systems.
The UMM-0040EAB-B5 delivers a rated output power of 4 kW.
Yes, the motor features a high-resolution 23-bit absolute encoder for accurate positioning and motion feedback.
Yes, this model includes an integrated electromagnetic holding brake for improved safety and position retention.
The servo motor is designed for operation with a 400 V three-phase servo system.
Unitronics B5 Series servo motors are widely used by machine builders and automation engineers who require precise positioning, reliable operation and seamless integration with modern motion control systems.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...