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UMI-0004CU-B1 Unitronics | 0.4 kW 3 Phase 200-240VAC | VSD
MPN: UMI-0004CU-B1
Alt. SKU: UMI0004CUB1
Special Price
£223.13
£185.94
Regular Price
£262.50
Why Choose the Unitronics UMI-0004CU-B1 Variable Frequency Drive?
The Unitronics UMI-0004CU-B1 is a compact variable frequency drive (VFD) from the UMI-B1 UL series designed for precise and energy-efficient control of three-phase AC motors. Rated at 0.4 kW (0.5 HP), the drive operates with a 200–240 V AC three-phase input and delivers stable motor speed control for industrial automation and machine applications.
Engineered for OEMs and control panel builders, the drive combines sensorless vector control and space vector PWM technology to ensure smooth torque performance and accurate speed regulation across a wide operating range. Integrated communication via Modbus RTU over RS-485 enables easy integration with PLC and HMI systems within modern automation architectures.
With its compact enclosure, built-in dynamic braking capability and multiple protection functions, the UMI-0004CU-B1 provides reliable motor control for machines requiring dependable operation, energy savings and flexible control configuration.
Key Features
- 0.4 kW (0.5 HP) inverter drive for industrial AC motor control.
- 200–240 V AC three-phase input power supply.
- Output frequency up to 400 Hz for flexible speed regulation.
- Sensorless vector control (SVC) and SVPWM motor control.
- Modbus RTU communication via RS-485 for PLC integration.
- Integrated dynamic braking capability for improved motor stopping performance.
- Multiple digital and analogue control options.
- Compact design suitable for control panel installations.
Technical Specifications
- Manufacturer: Unitronics
- Series: UMI-B1 UL
- Model: UMI-0004CU-B1
- Product type: Variable frequency drive (VFD)
- Rated motor power: 0.4 kW (0.5 HP)
- Input voltage: 200–240 V AC
- Input phase: Three phase
- Rated output current: approx. 2.5 A
- Output frequency range: 0–400 Hz
- Control methods: Sensorless vector control, SVPWM
- Communication: RS-485 with Modbus RTU
- Overload capability: 150% for 60 s, 180% for 10 s
- Cooling method: Air-cooled
- Protection rating: IP20
- Operating temperature: −10 °C to +50 °C
- Dimensions: approx. 185 — 80 — 140 mm
- Mounting: Wall or panel mounting
- Standards: UL, cULus and CE certified
Typical Applications
- Conveyor systems and material handling equipment.
- Pumps, compressors and ventilation systems.
- Packaging and processing machinery.
- Industrial production equipment.
- General AC motor speed control in automation systems.
Frequently Asked Questions
What is the UMI-0004CU-B1 used for?
The drive is used to control the speed and torque of three-phase AC motors in industrial automation systems.
What motor size can this inverter control?
The drive is rated for motors up to 0.4 kW (0.5 HP).
What power supply does the drive require?
The UMI-0004CU-B1 requires a 200–240 V AC three-phase supply.
Does the drive support PLC communication?
Yes. It includes an RS-485 interface supporting Modbus RTU communication for integration with PLC and automation control systems.
Where is this type of inverter typically used?
It is commonly used in conveyors, pumps, packaging machines and other industrial equipment that requires reliable motor speed control.
Trusted by Automation Engineers
Unitronics UMI series drives are widely used by machine builders and automation engineers to deliver reliable motor control, improved energy efficiency and stable machine operation.
| Manufacturer Part Number | UMI-0004CU-B1 |
|---|---|
| Communication | MODBUS RTU RS-485 |
| Height | 185mm |
| Width | 80mm |
| Depth | 140.5mm |
| Amperage | 2.5A |
| Number of analogue inputs | 1 x 0-10V/0-20mA, 1x 0-10V |
| Number of analogue outputs | 1 X 0-10V, 0-20mA |
| Compliance | CE, cUL, TUV-SUD, UL |
| Control Method | SVPWM (Space Vector PWM), SVC (Sensorless Vector Control) |
| Coating PCB | Coated PCB |
| Control Panel | Film Keypad |
| Control Panel Included | Yes |
| Control Setting | Analog, Digital, Modbus, PID, Pulse |
| Cooling | Air Cooling |
| Number of digital inputs | 1 x 50kHz, 4 x 1kHz |
| Number of digital outputs | 1 x sink/source |
| Dynamic Breaking Unit | Optional |
| Filter | C3 Filter Optional |
| HP Rating | 0.5 |
| Input Phases | Three Phase |
| Input Frequency | 50/60Hz |
| Degree of protection (IP) | IP20 |
| KW Rating | 0.4kW |
| Mounting Options | Rail, Wall |
| Output Frequency | 400Hz |
| Overload Capacity 150% | 60 Seconds |
| Overload Capacity 180% | 10 Seconds |
| Overload Capacity 200% | 1 Second |
| Output Phases | Three phase |
| Supported Motors | Asynchronous Induction Motors, Three Phase Input |
| Voltage | 200/240VAC |
| VSD Range | Unitronics B1 |
| Manufacturer | Unitronics |
| Alternative Product SKU | UMI0004CUB1 |
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