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UMI-0040CU-B7 Unitronics | 4 kW 3 Phase 200-240VAC | VSD
MPN: UMI-0040CU-B7
Alt. SKU: UMI0040CUB7
Special Price
£487.31
£406.09
Regular Price
£573.30
Why Choose the Unitronics UMI-0040CU-B7 Variable Frequency Drive?
The Unitronics UMI-0040CU-B7 is a high-performance 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), this drive operates from a 200–240 V AC three-phase power supply, making it ideal for machine automation, conveyors, pumps and OEM equipment that require reliable low-voltage motor control.
The UMI-B7 platform incorporates modern motor control technologies including sensorless vector control, closed-loop vector control and space vector PWM (SVPWM), allowing smooth acceleration, stable torque and highly accurate speed regulation across varying load conditions. These drives support both induction motors and permanent-magnet synchronous motors, enabling flexible integration into modern industrial automation systems.
Designed for integration with PLC-based automation, the UMI-0040CU-B7 includes built-in Modbus RTU communication via RS-485 and an expandable architecture supporting optional communication, encoder and I/O cards. The drive also incorporates Safe Torque Off (STO) functional safety to help meet modern machine safety requirements.
Key Features
- 4 kW (5 HP) variable frequency drive for industrial motor control.
- 200–240 V AC three phase input power supply.
- Output frequency up to 400 Hz for flexible motor speed regulation.
- Sensorless vector control and SVPWM for stable torque and precise control.
- Integrated Safe Torque Off (STO) safety function.
- RS-485 communication with Modbus RTU for PLC integration.
- Expandable architecture supporting communication and encoder cards.
- Compatible with induction and permanent-magnet synchronous motors.
Technical Specifications
- Manufacturer: Unitronics
- Series: UMI-B7
- Model: UMI-0040CU-B7
- Product type: Variable frequency drive (VFD)
- Rated motor power: 4 kW (5 HP)
- Input voltage: 200–240 V AC
- Input phase: Three phase
- Input frequency: 50 / 60 Hz
- Output frequency range: 0–400 Hz
- Control methods: SVPWM, sensorless vector control, closed-loop vector control
- Supported motors: Induction motors and permanent-magnet synchronous motors
- Communication: RS-485 with Modbus RTU
- Safety function: Safe Torque Off (STO)
- Overload capacity: 150% for 60 s, 180% for 10 s, 200% for 1 s
- Protection rating: IP20
- Cooling: Forced air cooling
- Operating temperature: −10 °C to +50 °C
- Mounting: Panel mounting
Typical Applications
- Industrial conveyors and material handling equipment.
- Pumps, compressors and ventilation systems.
- Packaging and processing machinery.
- Machine automation and OEM equipment.
- Energy-efficient motor speed control systems.
Frequently Asked Questions
What is the UMI-0040CU-B7 used for?
This drive controls the speed and torque of three phase AC motors by adjusting the output frequency and voltage supplied to the motor.
What motor power can this drive control?
The drive is rated for motors up to 4 kW (5 HP).
What power supply does the inverter require?
The UMI-0040CU-B7 operates from a 200–240 V AC three phase power supply, commonly used in industrial installations.
Does the drive support PLC communication?
Yes. The inverter includes Modbus RTU communication via RS-485 allowing integration with PLC and industrial automation systems.
What safety features are included?
The drive includes an integrated Safe Torque Off (STO) safety function which safely removes motor torque without switching off the drive power.
Trusted by Automation Engineers
Unitronics UMI-B7 drives are widely used by machine builders and automation engineers for precise motor control, energy efficiency and seamless integration with PLC-based control systems.
| Manufacturer Part Number | UMI-0040CU-B7 |
|---|---|
| Communication | MODBUS RTU RS-485 + optional communication cards |
| Height | 320mm |
| Width | 170mm |
| Depth | 219mm |
| Amperage | 16A |
| 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 |
| 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 | 200/240VAC |
| VSD Range | Unitronics B7 |
| Manufacturer | Unitronics |
| Alternative Product SKU | UMI0040CUB7 |
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