UMM-0055EAB-B6 Unitronics SERVO MT 5.5KW 400V,3phase A23 B6 + brak
Unitronics UMM-0055EAB-B6 5.5kW AC servo motor with 400V three-phase supply, absolute encoder feedback and integrated holding brake for industrial motion control.
Why Choose the Unitronics UMM-0055EAB-B6 Servo Motor?
The Unitronics UMM-0055EAB-B6 is a powerful and highly accurate AC servo motor engineered for demanding industrial motion control applications. As part of the advanced Unitronics B6 Series Servo Motor range, it combines high torque output, precise positioning capabilities and dependable long-term performance to meet the needs of modern automation systems.
Designed for seamless integration with Unitronics servo drives, the UMM-0055EAB-B6 features a high-resolution 23-bit absolute encoder and an integrated electromagnetic holding brake. This combination provides exceptional positioning accuracy, reliable load retention and smooth motion control across a wide range of industrial applications.
With a rated output power of 5.5 kW, 400 V three-phase operation and a robust medium inertia design, the UMM-0055EAB-B6 is ideally suited for robotics, CNC machinery, packaging systems, material handling equipment and advanced manufacturing environments requiring precise servo performance.
Key Advantages
High-performance 5.5 kW AC servo motor for industrial automation.
23-bit absolute encoder provides highly accurate motion feedback.
Integrated holding brake enhances safety and position retention.
Excellent torque output for demanding machine applications.
Designed for seamless integration with Unitronics servo drive systems.
Reliable operation in challenging industrial environments.
Key Features
Unitronics B6 Series servo motor.
5.5 kW rated output power.
400 V AC operation.
Three-phase motor configuration.
23-bit absolute encoder.
Integrated electromagnetic brake.
1500 rpm rated speed.
3000 rpm maximum speed.
IP65 environmental protection.
Medium inertia construction for demanding industrial loads.
Precision Motion Control for Industrial Machinery
The Unitronics UMM-0055EAB-B6 is designed to provide smooth, precise and repeatable motion control across a wide range of industrial automation applications. Its advanced encoder technology continuously monitors motor position and speed, allowing machinery to achieve exceptional positioning accuracy and dynamic performance.
The integrated holding brake improves safety and operational reliability by maintaining load position during power interruptions or emergency stops. Combined with the motor's high torque capability, this makes the UMM-0055EAB-B6 particularly suitable for vertical axes, lifting applications and heavy-duty automation systems.
Typical Applications
Industrial robotics and automation cells.
CNC machinery and machine tools.
Packaging and labelling equipment.
Material handling systems.
Automated assembly machinery.
Printing and converting equipment.
Production and manufacturing lines.
High-precision industrial automation systems.
Technical Specifications
Type
Servo Motor
Power
5.5 kW
Voltage
400 V
Phase
Three Phase
Series
B6 Servo Motor Series
Product type
AC servo motor
Rated power
5.5 kW
Supply voltage
400 V AC
Rated speed
1500 rpm
Maximum speed
3000 rpm
Rated torque
35 Nm
Peak torque
105 Nm
Rated current
20.3 Arms
Maximum current
64 Arms
Encoder type
23-bit absolute encoder
Brake
Integrated 24 V DC holding brake
Holding brake torque
≥72 Nm
Protection rating
IP65
Insulation class
Class F
Weight
Approx. 27.8 kg
Mounting type
B6 flange mounting
Frequently Asked Questions
What is the Unitronics UMM-0055EAB-B6 used for?
This servo motor is designed for industrial motion control applications requiring precise positioning, high torque output and dependable operation.
What power output does the motor provide?
The UMM-0055EAB-B6 delivers a rated output power of 5.5 kW.
Does this servo motor include an encoder?
Yes, the motor features a built-in 23-bit absolute encoder for highly accurate positioning and motion feedback.
Is a holding brake included?
Yes, this model includes an integrated 24 V DC electromagnetic holding brake with a holding torque of at least 72 Nm.
What supply voltage is required?
The motor is designed for operation within a 400 V three-phase servo system.
Trusted for Advanced Automation Applications
Unitronics B6 Series servo motors are trusted by machine builders and automation engineers worldwide for delivering precise positioning, high torque performance and reliable operation in demanding industrial environments.
Type
Servo Motor
Power
5.5 kW
Voltage
400 V
Phase
Three Phase
Series
B6 Servo Motor Series
Product type
AC servo motor
Rated power
5.5 kW
Supply voltage
400 V AC
Rated speed
1500 rpm
Maximum speed
3000 rpm
Rated torque
35 Nm
Peak torque
105 Nm
Rated current
20.3 Arms
Maximum current
64 Arms
Encoder type
23-bit absolute encoder
Brake
Integrated 24 V DC holding brake
Holding brake torque
≥72 Nm
Protection rating
IP65
Insulation class
Class F
Weight
Approx. 27.8 kg
Mounting type
B6 flange mounting
No documents available for this product.
Delivery
We offer fast UK delivery on all stocked items. Orders placed before 3pm Monday to Friday are eligible for next-day delivery.
Standard delivery: 2–3 working days
Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
Returns
If you need to return an item, please contact our sales team within 30 days of receipt. Items must be returned unused in their original packaging.
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
Priority sourcing and supply support
Flexible payment terms for qualifying organisations
Support for engineering, maintenance, and operations
500 +
Stock lines ready to ship
1,000 +
Same day dispatches
3500 +
Customers supported
28
Trusted Manfacturers
● frequently asked questions
Common questions about our products and support
At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
What product ranges do you supply
We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
Can you help specify the correct part?
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Do you have stock for urgent orders?
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
What are your delivery times and costs?
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
What about warranties, returns and faulty items?
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
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...