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UMI-0185EE-B1 Unitronics | 18.5 kW 3 Phase 380-480VAC | VSD
MPN: UMI-0185EE-B1
Alt. SKU: UMI0185EEB1
Special Price
£1,260.22
£1,050.18
Regular Price
£1,482.60
Why Choose the Unitronics UMI-0185EE-B1 Variable Frequency Drive?
The Unitronics UMI-0185EE-B1 is a heavy-duty variable frequency drive (VFD) from the UMI-B1 EU series designed for high-power industrial motor control applications. Rated at 18.5 kW (25 HP), the drive operates from a 380–440 V AC three-phase power supply, delivering precise speed regulation, high torque stability and efficient operation for large industrial machines and process equipment.
Using advanced sensorless vector control (SVC) and space vector PWM (SVPWM) technology, the drive ensures smooth acceleration, stable motor performance and optimal efficiency across varying load conditions. Integrated dynamic braking capability allows improved deceleration control in applications requiring rapid motor stopping.
The UMI-0185EE-B1 also supports Modbus RTU communication via RS-485, enabling seamless integration with PLC and HMI systems in modern industrial automation architectures. With a built-in C3 EMC filter and comprehensive protection functions, the drive is engineered for reliable operation in demanding industrial environments.
Key Features
- 18.5 kW (25 HP) variable frequency drive for heavy-duty industrial motor control.
- 380–440 V AC three phase input power supply.
- Output frequency range 0–400 Hz for flexible motor speed regulation.
- Sensorless vector control (SVC) with SVPWM motor control technology.
- Integrated dynamic braking for improved deceleration performance.
- C3 EMC filter to reduce electromagnetic interference.
- RS-485 communication with Modbus RTU for PLC and automation integration.
- Heavy-duty design suitable for demanding industrial environments.
Technical Specifications
- Manufacturer: Unitronics
- Series: UMI-B1 EU
- Model: UMI-0185EE-B1
- Product type: Variable frequency drive (VFD)
- Rated motor power: 18.5 kW (25 HP)
- Input voltage: 380–440 V AC
- Input phase: Three phase
- Rated output current: approx. 38 A
- Output frequency range: 0–400 Hz
- Control methods: Sensorless vector control, V/F control
- Communication: RS-485 with Modbus RTU
- Integrated features: Dynamic braking, C3 EMC filter
- Protection rating: IP20
- Mounting: Wall mounting or flange mounting
- Typical protection functions: Overcurrent, overload, overvoltage, undervoltage and overheating protection
Typical Applications
- Large conveyor systems and material handling equipment.
- Industrial pumps, compressors and ventilation systems.
- Heavy machinery in manufacturing plants.
- Packaging and processing lines.
- Energy-efficient control of large industrial motors.
Frequently Asked Questions
What is the UMI-0185EE-B1 used for?
This drive controls the speed and torque of large three phase AC motors by adjusting the output frequency and voltage supplied to the motor.
What motor power can this inverter control?
The UMI-0185EE-B1 is designed for motors up to 18.5 kW (25 HP).
What power supply does the drive require?
The inverter operates from a 380–440 V AC three phase supply, commonly used in industrial installations.
Does the drive support PLC communication?
Yes. It includes RS-485 communication supporting Modbus RTU, enabling integration with PLC and industrial automation systems.
What protection features are included?
The drive includes protection against overcurrent, overload, overvoltage, undervoltage and overheating to protect both the motor and the inverter.
Trusted by Automation Engineers
Unitronics UMI-B1 drives are widely used by machine builders and industrial engineers to provide efficient motor control, improved energy efficiency and reliable operation in demanding automation systems.
| Manufacturer Part Number | UMI-0185EE-B1 |
|---|---|
| Communication | MODBUS RTU RS-485 |
| Height | 340.6mm |
| Width | 200mm |
| Depth | 184.3mm |
| Amperage | 38A |
| Number of analogue inputs | 1 x 0-10V/0-20mA, 1x 0-10V |
| Number of analogue outputs | 2 x 0-10V, 0-20mA |
| Brake - Safe-Stop | Safe Stop |
| Compliance | CE, cUL, TUV-SUD, UL |
| Control Method | SVPWM (Space Vector PWM), SVC (Sensorless Vector Control) |
| Coating PCB | Coated PCB |
| Control Panel | Removeable 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 | Built In |
| Filter | C3 Filter Built In |
| HP Rating | 25 |
| Input Phases | Three Phase |
| Input Frequency | 50/60Hz |
| Degree of protection (IP) | IP20 |
| KW Rating | 18.5kW |
| Mounting Options | Flange, 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 | 380/480VAC |
| VSD Range | Unitronics B1 |
| Manufacturer | Unitronics |
| Alternative Product SKU | UMI0185EEB1 |
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