Do you need some help?

Call us now on: 01706 242050

UMI-0185CU-B7 Unitronics | 18.5 kW 3 Phase 200-240VAC | VSD

MPN: UMI-0185CU-B7

Alt. SKU: UMI0185CUB7

Special Price £1,845.70 £1,538.08 Regular Price £2,171.40

Please contact us for delivery time
Call us now on 01706 242050

Need It Today?

Speak To Our Team

Speak to our experienced team to discuss options for getting your order to you today.

or

Call us now on: 01706 242050
  • Please ensure the items you would like are in stock
  • Please speak to our team before placing an order
  • Additional charges will apply
  • We cannot guarantee the availability of a courier

Found It Cheaper?

Please complete the form below or call us now on 01706 242050

Free delivery on orders over £200

Why Choose the Unitronics UMI-0185CU-B7 Variable Frequency Drive?

The Unitronics UMI-0185CU-B7 is a high-performance AC variable frequency drive (VFD) designed for accurate speed, torque and position control of three-phase motors in demanding industrial automation, machinery and process applications. As part of the advanced Unitronics UMI-B7 series, it delivers reliable motor control, integrated safety functionality and flexible automation connectivity.

This drive is engineered to improve machine performance, reduce energy consumption and support dependable operation in demanding industrial environments. The B7 series offers advanced motor control capabilities, including sensorless vector control and closed-loop vector control, making it suitable for applications requiring precise speed, torque and motion performance.

With a rated output power of 18.5 kW / 25 HP and a three-phase 200–240 V AC supply, the UMI-0185CU-B7 is ideal for industrial motors used in conveyors, pumps, fans, compressors, packaging equipment, production machinery and OEM automation systems.

Key Advantages

  • High-performance variable frequency drive for industrial motor control.
  • 18.5 kW / 25 HP motor power rating for demanding machinery applications.
  • Three-phase 200–240 V AC input suitable for compatible industrial power systems.
  • Integrated Safe Torque Off (STO) safety functionality.
  • Advanced control modes including sensorless vector control and closed-loop vector control.
  • Built-in RS-485 Modbus RTU communication.
  • Expandable platform with optional Ethernet and industrial fieldbus communication cards.

Key Features

  • Unitronics UMI-B7 series variable frequency drive.
  • 18.5 kW rated output power.
  • 25 HP motor rating.
  • Three-phase 200–240 V AC input supply.
  • 0–400 Hz output frequency range.
  • Integrated Safe Torque Off (STO).
  • SVPWM, sensorless vector control and closed-loop vector control modes.
  • Built-in RS-485 Modbus RTU communication.
  • Optional Ethernet/IP, EtherCAT, CANopen, Modbus TCP and PROFINET communication cards.
  • Suitable for wall, flange or panel mounting applications.

Technical Specifications

  • Manufacturer: Unitronics
  • Series: UMI-B7 Series
  • Model: UMI-0185CU-B7
  • Product type: AC variable frequency drive
  • Rated output power: 18.5 kW
  • Horsepower rating: 25 HP
  • Input voltage: 200–240 V AC
  • Input phases: 3-phase
  • Input frequency: 50 / 60 Hz
  • Output phases: 3-phase
  • Output frequency: 0–400 Hz
  • Control methods: SVPWM, Sensorless Vector Control, Closed Loop Vector Control, V/f Control
  • Communication: RS-485 / Modbus RTU with optional communication cards
  • Safety function: Safe Torque Off (STO)
  • Supported motors: Asynchronous induction motors and permanent magnet synchronous motors
  • Protection rating: IP20
  • Cooling method: Forced air cooling

Reliable Motor Control for Industrial Automation

Variable frequency drives such as the Unitronics UMI-0185CU-B7 regulate motor speed by adjusting output voltage and frequency. This enables smoother acceleration, improved process accuracy, reduced mechanical wear and better energy efficiency across industrial machinery and automation systems.

The Unitronics UMI-B7 series is designed for machine builders, panel builders and system integrators who require advanced motor control in a compact and cost-effective platform. Its integrated safety, communication and control features make it suitable for both stand-alone operation and integration with wider Unitronics automation systems.

Typical Applications

  • Industrial conveyors and material handling systems.
  • Packaging and production machinery.
  • Pumps, fans and ventilation systems.
  • Compressors and process equipment.
  • Food processing and filling machinery.
  • OEM automation systems and control panels.

Frequently Asked Questions

What is the Unitronics UMI-0185CU-B7 used for?

This drive is used to control the speed and torque of three-phase AC motors in industrial machinery, automation and process control applications.

What motor power is supported by this drive?

The drive supports motors with a rated output power of approximately 18.5 kW / 25 HP.

What supply voltage does the drive require?

The UMI-0185CU-B7 operates from a three-phase 200–240 V AC supply.

Does this drive include safety functionality?

Yes, the drive includes integrated Safe Torque Off (STO) functionality for machine safety applications.

Can this drive be integrated with automation systems?

Yes, the drive supports RS-485 Modbus RTU communication and optional communication cards for integration with PLCs, HMIs and industrial networks.

Trusted by Automation Engineers Worldwide

Unitronics UMI-B7 variable frequency drives are trusted by machine builders, panel builders and automation engineers to deliver reliable motor control, efficient operation and flexible integration into modern industrial systems.
More Information
Manufacturer Part Number UMI-0185CU-B7
Communication MODBUS RTU RS-485 + optional communication cards
Height 557mm
Width 270mm
Depth 325mm
Amperage 70A
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 Optional
HP Rating 25
Input Phases Three Phase
Input Frequency 50/60Hz
Degree of protection (IP) IP20
KW Rating 18.5kW
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 UMI0185CUB7
Write Your Own Review
You're reviewing:UMI-0185CU-B7 Unitronics | 18.5 kW 3 Phase 200-240VAC | VSD