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UMI-0450EU-B7 Unitronics | 45 kW 3 Phase 380-480VAC | VSD
Unitronics UMI-0450EU-B7 variable frequency drive, a 45 kW three phase 380-480 V AC VFD with integrated Safe Torque Off functionality for industrial motor control and automation systems.
£2,455.94
Why Choose the Unitronics UMI-0450EU-B7 Variable Speed Drive?
The Unitronics UMI-0450EU-B7 is a high-performance AC variable frequency drive (VFD) designed for precise speed and torque control of three-phase motors in demanding industrial automation environments. As part of the advanced Unitronics UMI-B7 series, it provides reliable motor control, flexible communication and seamless integration with modern PLC and HMI systems.
This drive incorporates advanced motor control technologies including sensorless vector control (SVC), closed-loop vector control and SVPWM control, helping deliver smooth acceleration, stable torque and improved energy efficiency. The UMI-B7 platform also supports modular expansion, making it suitable for connected automation and machine control applications.
With a rated output power of 45 kW (60 HP) and a three-phase 380–480 V AC supply, the UMI-0450EU-B7 is ideal for heavy-duty motors used in conveyors, pumps, compressors, HVAC systems and industrial process machinery. Integrated Safe Torque Off (STO) functionality helps improve machine safety and supports compliance with functional safety requirements.
Key Advantages
- High-power variable frequency drive for industrial automation.
- 45 kW (60 HP) motor power rating for heavy-duty machinery.
- Three-phase 380–480 V AC input compatible with industrial power systems.
- Integrated Safe Torque Off (STO) safety function.
- Advanced vector control for precise speed and torque regulation.
- RS-485 Modbus RTU communication with optional Ethernet and fieldbus expansion.
- Efficient motor control helps reduce energy use, starting current and mechanical wear.
Key Features
- Unitronics UMI-B7 variable frequency drive series.
- 45 kW / 60 HP rated output power.
- Approx. 92 A nominal output current.
- Three-phase 380–480 V AC input supply.
- Integrated Safe Torque Off (STO) functionality.
- Sensorless vector control, closed-loop vector control and torque control modes.
- RS-485 Modbus RTU communication with optional Ethernet expansion.
- Supports induction and permanent magnet motors.
- Panel-mounted design for industrial control cabinets.
Reliable Motor Control for Industrial Machinery
Variable frequency drives such as the Unitronics UMI-0450EU-B7 regulate motor speed by adjusting output voltage and frequency. This allows machinery to operate more efficiently while improving process precision, reducing starting current and lowering mechanical stress on motors and driven equipment.
The UMI-B7 series is designed for machine builders and industrial automation engineers that require powerful motor control, integrated safety and flexible connectivity. Its communication options and advanced control modes make it suitable for both standalone machinery and fully networked automation systems.
Typical Applications
- Heavy-duty industrial conveyors and material handling systems.
- High-capacity pumps and compressors.
- HVAC, fans and ventilation equipment.
- Processing and manufacturing machinery.
- Water treatment and infrastructure systems.
- OEM automation systems and machine building.
Technical Specifications
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| Power | 45 kW | |
|---|---|---|
| Current | 92 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 | 45 kW / 60 HP | |
| Rated output current | approx. 92 A | |
| Input voltage | 380–480 V AC | |
| Input phases | 3-phase | |
| Input frequency | 50 / 60 Hz | |
| Output frequency | 0–400 Hz | |
| Control methods | V/f, SVPWM, sensorless vector control, torque control, closed-loop vector control | |
| Supported motors | Induction and permanent magnet motors | |
| Overload capacity | 150% for 60 s, 180% for 10 s | |
| Safety function | Safe Torque Off (STO) | |
| Protection rating | IP20 | |
| Cooling method | Forced air cooling | |
| Mounting type | Cabinet / panel mounting | |
| Dimensions (H × W × D) | approx. 557 × 270 × 325 mm | |
| Operating temperature | approx. -10°C to +50°C |
Frequently Asked Questions
What is the Unitronics UMI-0450EU-B7 used for?
This drive controls the speed and torque of large three-phase AC motors used in industrial automation and heavy-duty machinery applications.
What motor power is supported by this drive?
The drive supports motors with a rated output power of approximately 45 kW (60 HP).
What supply voltage does the drive require?
The UMI-0450EU-B7 operates from a three-phase 380–480 V AC supply.
Does this drive include Safe Torque Off?
Yes, the drive includes integrated Safe Torque Off (STO) functionality for enhanced machine safety.
Where is this drive typically installed?
The drive is typically installed inside industrial electrical control panels or machine cabinets as part of an automation system.
Trusted by Machine Builders Worldwide
Unitronics UMI-B7 variable frequency drives are widely used by automation engineers and OEM machine builders to deliver reliable motor control, efficient operation and seamless integration into modern industrial equipment.
