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UMI-S0411 Unitronics UMI-B7, 11kW Brk Res.1560W, 480V
Unitronics UMI-S0411 dynamic braking resistor designed for compatible Unitronics variable frequency drives, providing regenerative energy dissipation and improved motor braking performance.
£32.73
Why Choose the Unitronics UMI-S0411 Braking Resistor?
The Unitronics UMI-S0411 is a heavy-duty dynamic braking resistor designed for use with compatible Unitronics variable frequency drives (VFDs). Engineered to dissipate regenerative energy generated during motor deceleration, this braking resistor improves stopping performance, shortens braking times and helps protect drive systems from DC bus overvoltage conditions.
During rapid deceleration, motors act as generators and return energy to the drive. The UMI-S0411 safely converts this excess energy into heat, enabling controlled braking and preventing overvoltage trips. This makes it particularly suitable for demanding industrial applications involving frequent starts, stops and high-inertia loads.
Designed for industrial automation environments, the UMI-S0411 provides dependable braking performance for larger drive systems where precise motion control and rapid stopping are essential. Proper braking resistor selection helps maximise drive performance while improving machine productivity and operational safety.
Key Advantages
- Designed for compatible Unitronics VFD systems.
- Improves motor deceleration performance.
- Helps prevent DC bus overvoltage faults.
- Suitable for high-demand industrial braking applications.
- Supports rapid and controlled stopping.
- Industrial-grade construction for long service life.
Key Features
- Unitronics UMI-S0411 braking resistor.
- Designed for dynamic braking applications.
- Compatible with selected Unitronics drives.
- Supports regenerative energy dissipation.
- Helps reduce motor deceleration times.
- Industrial-duty resistor assembly.
- Suitable for automation and machine-building applications.
- Designed for reliable long-term operation.
Reliable Dynamic Braking Performance
Dynamic braking resistors are critical components in VFD systems where fast stopping and controlled deceleration are required. By dissipating excess regenerative energy, braking resistors improve machine responsiveness while helping protect the drive from electrical stress caused by energy feedback during braking.
The UMI-S0411 is ideal for industrial applications requiring consistent braking performance, improved motion control and enhanced drive protection. Its robust construction makes it suitable for use in demanding automation environments where reliability is essential.
Typical Applications
- Conveyor systems.
- Material handling equipment.
- Packaging machinery.
- Industrial hoists and lifting equipment.
- Machine tools.
- General industrial automation systems.
Technical Specifications
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| Product Series | Unitronics Servo / Drives | |
|---|---|---|
| Device Type | Drive / Servo Accessory | |
| Power | 11 kW | |
| Voltage | 480 V | |
| Phase | Three Phase | |
| Product type | Dynamic braking resistor | |
| Application | Variable frequency drive braking | |
| Function | Regenerative energy dissipation | |
| Compatibility | Selected Unitronics VFD systems | |
| Installation | External braking resistor assembly | |
| Input voltage compatibility | 400-480 V AC | |
| Input phases | Three-phase | |
| Construction | Industrial-grade resistor unit | |
| Use environment | Industrial automation systems | |
| Brand | Unitronics |
Frequently Asked Questions
What is the Unitronics UMI-S0411 used for?
The UMI-S0411 is a dynamic braking resistor designed to dissipate regenerative energy generated during motor deceleration in variable frequency drive applications.
Why is a braking resistor required?
A braking resistor helps prevent DC bus overvoltage conditions while improving motor stopping performance during rapid deceleration.
Is the UMI-S0411 compatible with all drives?
No. The resistor should only be used with compatible Unitronics variable frequency drives and according to the manufacturer's specifications.
What types of applications use braking resistors?
Braking resistors are commonly used in conveyors, lifting equipment, machine tools, packaging machinery and other systems requiring controlled stopping performance.
Can this resistor improve deceleration times?
Yes. Dynamic braking resistors allow drives to handle regenerative energy more effectively, enabling faster and more controlled motor deceleration.
Trusted for Industrial Motion Control
Unitronics braking resistors are trusted by automation engineers and machine builders to deliver reliable braking performance, improved stopping control and enhanced protection for industrial drive systems.
