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UMI-0040EU-B7 Unitronics | 4 kW 3 Phase 380-480VAC| VSD
MPN: UMI-0040EU-B7
Alt. SKU: UMI0040EUB7
Special Price
£405.19
£337.66
Regular Price
£476.70
Why Choose the Unitronics UMI-0040EU-B7 Variable Frequency Drive?
The Unitronics UMI-0040EU-B7 is a powerful variable frequency drive (VFD) from the advanced UMI-B7 series designed to deliver precise speed and torque control for industrial AC motors. Rated at 4 kW (5 HP), the drive operates from a 380–480 V AC three-phase power supply, making it suitable for demanding automation systems, conveyors, pumps and machine control applications.
Part of Unitronics−â modern B7 inverter platform, this drive incorporates advanced control algorithms and inverter technology to maintain stable torque, smooth acceleration and improved energy efficiency across varying loads. The B7 series also supports advanced motion and closed-loop control options for improved speed, torque and position regulation in complex automation environments.
Designed for seamless integration with PLC-based automation systems, the UMI-0040EU-B7 includes built-in Modbus RTU communication via RS-485 and an expandable architecture that supports optional communication, encoder and I/O cards. The drive also includes an integrated Safe Torque Off (STO) safety function to help improve machine safety in industrial installations.
Key Features
- 4 kW (5 HP) variable frequency drive for industrial AC motor control.
- 380–480 V AC three phase input power supply.
- Output frequency up to 400 Hz for flexible motor speed regulation.
- Sensorless vector control for stable torque and efficient motor operation.
- Integrated Safe Torque Off (STO) functional safety capability.
- RS-485 Modbus RTU communication for PLC and automation integration.
- Expandable architecture supporting optional communication and encoder cards.
- Designed for installation in industrial electrical control cabinets.
Technical Specifications
- Manufacturer: Unitronics
- Series: UMI-B7
- Model: UMI-0040EU-B7
- Product type: Variable frequency drive (VFD)
- Rated motor power: 4 kW (5 HP)
- Input voltage: 380–480 V AC
- Input phase: Three phase
- Output frequency range: 0–400 Hz
- Motor control modes: Sensorless vector control, V/F control
- Communication: RS-485 with Modbus RTU
- Safety function: Safe Torque Off (STO)
- Supported motors: Induction motors and permanent-magnet synchronous motors
- Protection rating: IP20
- Operating temperature: −10 °C to +50 °C
- Mounting: Panel or wall mounting
Typical Applications
- Industrial conveyor and material handling systems.
- Pumps, fans and compressors.
- Packaging and processing machinery.
- OEM machine automation equipment.
- Energy-efficient speed control of AC motors.
Frequently Asked Questions
What is the UMI-0040EU-B7 used for?
This drive controls the speed and torque of AC motors by adjusting the frequency and voltage supplied to the motor.
What motor power can this drive control?
The UMI-0040EU-B7 is designed for motors up to 4 kW (5 HP).
What power supply does the inverter require?
The drive operates from a 380–480 V AC three phase power supply, commonly used in industrial installations.
Does the drive support PLC communication?
Yes. The inverter includes RS-485 communication supporting Modbus RTU for integration with PLC and industrial automation systems.
What safety functions are included?
The drive includes an integrated Safe Torque Off (STO) safety function which allows motor torque to be safely removed without switching off the drive power.
Trusted by Automation Engineers
Unitronics UMI-B7 drives are widely used by machine builders and automation engineers for reliable motor control, efficient automation integration and improved energy performance in industrial machinery.
| Manufacturer Part Number | UMI-0040EU-B7 |
|---|---|
| Communication | MODBUS RTU RS-485 + optional communication cards |
| Height | 256mm |
| Width | 146mm |
| Depth | 192mm |
| Amperage | 9.5A |
| Number of analogue inputs | 1 x 0-10V/0-20mA, 1x 0-10V |
| Number of analogue outputs | 1 X 0-10V, 0-20mA |
| Brake - Safe-Stop | Safe Stop |
| Compliance | CE, cUL, UL |
| Control Method | SVPWM (Space Vector PWM), VC (Closed loop vector control), SVC (Sensorless Vector Control) |
| Control Panel | Removeable Keypad |
| Control Panel Included | Yes |
| Control Setting | Analog, Digital, Modbus, PID, Pulse, variety of communication cards |
| Cooling | Air Cooling |
| Number of digital inputs | 2 high-speed inputs; max frequency:50kHz, 4 regular inputs; max.frequency:1kHz; internal impendence:3.3kOhm |
| Number of digital outputs | 1 x sink/source, 1 x 50kHz |
| Dynamic Breaking Unit | Built In |
| Filter | C3 Filter Built In |
| HP Rating | 5 |
| Input Phases | Three Phase |
| Input Frequency | 50/60Hz |
| Degree of protection (IP) | IP20 |
| KW Rating | 4kW |
| Mounting Options | Flange, Floor, Wall |
| Output Frequency | 400Hz |
| Overload Capacity 150% | 60 Seconds |
| Overload Capacity 180% | 10 Seconds |
| Overload Capacity 200% | 1 Second |
| Output Phases | Three phase |
| Number of relay outputs | 2 Programmable Multi-functional |
| Supported Motors | Asynchronous Induction Motors, Permanent Magnet Synchronous |
| Voltage | 380/480VAC |
| VSD Range | Unitronics B7 |
| Manufacturer | Unitronics |
| Alternative Product SKU | UMI0040EUB7 |
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