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UMI-0550EU-B7 Unitronics | 55 kW 3 Phase 380-480VAC | VSD
Unitronics UMI-0550EU-B7 variable frequency drive featuring 55 kW output power, three-phase 380-480 V AC input, advanced vector control and integrated Safe Torque Off functionality for industrial automation applications.
£2,787.67
Why Choose the Unitronics UMI-0550EU-B7 Variable Speed Drive?
The Unitronics UMI-0550EU-B7 is a high-performance AC variable frequency drive (VFD) engineered for precise speed, torque and position control of three-phase motors in demanding industrial applications. As part of the advanced Unitronics UMI-B7 series, it combines powerful motor control, integrated safety features and flexible communication capabilities to support modern automation systems.
Featuring advanced control methods including sensorless vector control (SVC), closed-loop vector control and SVPWM motor control, the UMI-0550EU-B7 delivers accurate performance, improved process control and enhanced energy efficiency. The drive supports Ethernet expansion and integration with PLC and HMI platforms, making it suitable for both standalone machinery and networked automation environments.
With a rated output power of 55 kW (75 HP) and a three-phase 380–480 V AC supply, the UMI-0550EU-B7 is ideal for heavy-duty industrial motors used in conveyors, pumps, compressors, processing equipment and manufacturing machinery. Integrated Safe Torque Off (STO) functionality enhances machine safety and simplifies compliance with industrial safety requirements.
Key Advantages
- High-power variable frequency drive for industrial automation.
- 55 kW (75 HP) motor power rating for demanding applications.
- Three-phase 380–480 V AC input compatible with industrial power systems.
- Integrated Safe Torque Off (STO) functionality.
- Advanced vector control for precise speed, torque and position regulation.
- Ethernet-ready architecture with optional communication modules.
- Supports both induction and permanent magnet motors.
Key Features
- Unitronics UMI-B7 variable frequency drive series.
- 55 kW / 75 HP rated output power.
- Three-phase 380–480 V AC input supply.
- Sensorless vector control, closed-loop vector control and V/f control modes.
- Integrated Safe Torque Off (STO) safety function.
- Built-in RS-485 Modbus RTU communication.
- Optional Ethernet and fieldbus communication cards.
- Supports induction and permanent magnet synchronous motors.
- Expandable architecture for communication, encoder and I/O cards.
Advanced Motor Control for Industrial Machinery
Variable frequency drives such as the Unitronics UMI-0550EU-B7 regulate motor speed by adjusting output voltage and frequency. This enables machinery to operate more efficiently while improving process accuracy, reducing mechanical wear and lowering overall energy consumption.
The UMI-B7 series has been developed for industrial automation engineers requiring advanced motion control, integrated safety and flexible connectivity. Built-in communication capabilities and optional expansion cards allow seamless integration into modern Industry 4.0 environments.
Typical Applications
- Heavy-duty conveyors and material handling systems.
- Industrial pumps and compressors.
- HVAC and ventilation equipment.
- Processing and manufacturing machinery.
- Water and wastewater treatment systems.
- OEM automation and machine-building projects.
Technical Specifications
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| Power | 55 kW | |
|---|---|---|
| Current | 115 A | |
| Voltage | 480 V | |
| Phase | Three Phase | |
| IP Rating | IP20 | |
| EMC Filter | Industrial | |
| Series | UMI-B7 | |
| Product type | AC variable frequency drive | |
| Rated output power | 55 kW / 75 HP | |
| Input voltage | 380–480 V AC | |
| Input phases | 3-phase | |
| Input frequency | 50 / 60 Hz (47–63 Hz) | |
| Output frequency | 0–400 Hz | |
| Control methods | SVPWM, sensorless vector control, closed-loop vector control | |
| Overload capacity | 150% for 60 s, 180% for 10 s, 200% for 1 s | |
| Supported motors | Induction and permanent magnet synchronous motors | |
| Protection rating | IP20 | |
| Cooling method | Air cooling | |
| Mounting type | Wall, floor or flange mounting | |
| Safety function | Integrated STO (SIL2) | |
| Operating temperature | -10°C to +50°C |
Frequently Asked Questions
What is the Unitronics UMI-0550EU-B7 used for?
The drive is used to control the speed, torque and operation of three-phase AC motors in industrial automation and heavy-duty machinery applications.
What motor power is supported by this drive?
The UMI-0550EU-B7 supports motors rated up to 55 kW (75 HP).
What supply voltage does the drive require?
The drive operates from a three-phase 380–480 V AC power supply.
Does the drive include Safe Torque Off?
Yes, the UMI-0550EU-B7 includes integrated Safe Torque Off (STO) functionality for enhanced machine safety.
Can the drive communicate with PLC systems?
Yes, it includes built-in RS-485 Modbus RTU communication and supports optional Ethernet and fieldbus communication modules.
Trusted by Automation Engineers Worldwide
Unitronics UMI-B7 variable frequency drives are widely used by machine builders and automation professionals to deliver reliable motor control, integrated safety and efficient operation across industrial applications.
