Unitronics UMI-0900EE-B1 variable frequency drive, a 90 kW three phase 380-480 V AC VFD with 180 A output current, Modbus RTU communication, integrated C3 EMC filter and Safe Stop functionality for heavy-duty industrial motor control.
Why Choose the Unitronics UMI-0900EE-B1 Variable Speed Drive?
The Unitronics UMI-0900EE-B1 is a heavy-duty AC variable frequency drive (VFD) designed for precise speed and torque control of large three-phase motors in demanding industrial automation applications. As part of the advanced Unitronics UMI-B1 EU series, it provides reliable motor control, integrated safety and flexible communication for modern machinery and process systems.
This high-power inverter features advanced motor control functionality including SVPWM and sensorless vector control (SVC), helping deliver smooth motor operation, strong torque performance and improved energy efficiency. The drive includes a removable keypad and coated PCB construction, supporting dependable operation in industrial environments.
With a rated output power of 90 kW (120 HP), a 180 A nominal output current and a three-phase 380–480 V AC supply, the UMI-0900EE-B1 is ideal for large motors used in conveyors, pumps, compressors, fans and heavy industrial machinery. Integrated Safe Stop / STO functionality supports safer machine operation and helps simplify system design.
Key Advantages
Heavy-duty variable frequency drive for industrial automation.
90 kW (120 HP) motor power rating for large machinery applications.
Three-phase 380–480 V AC input compatible with industrial power systems.
180 A nominal output current for high-power motor control.
Integrated Safe Stop / STO safety functionality.
Built-in C3 EMC filter for improved electromagnetic compatibility.
RS-485 Modbus RTU communication for PLC and automation integration.
Key Features
Unitronics UMI-B1 EU variable frequency drive series.
90 kW / 120 HP rated output power.
180 A nominal output current.
Three-phase 380–480 V AC input supply.
Integrated Safe Stop / STO safety function.
SVPWM and sensorless vector control methods.
Built-in RS-485 Modbus RTU communication.
Removable keypad control panel included.
Coated PCB for improved reliability in industrial environments.
Wall or flange mounting options.
Reliable Motor Control for Heavy-Duty Machinery
Variable frequency drives such as the Unitronics UMI-0900EE-B1 regulate motor speed by adjusting output voltage and frequency. This allows large industrial motors to operate more efficiently while reducing starting current, improving process control and lowering mechanical stress on connected equipment.
The UMI-B1 EU series is designed for machine builders, system integrators and industrial automation engineers who require dependable high-power motor control. With Modbus RTU communication, integrated safety and robust construction, the UMI-0900EE-B1 is well suited to both standalone machinery and networked automation systems.
Typical Applications
Large industrial conveyors and material handling systems.
High-capacity pumps and compressor systems.
Fans, blowers and HVAC equipment.
Heavy-duty processing and manufacturing machinery.
Water treatment and infrastructure applications.
OEM automation systems and machine-building projects.
Technical Specifications
Power
90 kW
Current
180 A
Voltage
480 V
Phase
Three Phase
IP Rating
IP20
Series
UMI-B1 EU
Product type
AC variable frequency drive
Rated output power
90 kW / 120 HP
Rated output current
180 A
Input voltage
380–480 V AC
Input phases
3-phase
Input frequency
50 / 60 Hz
Control methods
SVPWM, sensorless vector control
Analogue inputs
1 × 0–10 V / 0–20 mA, 1 × 0–10 V
Analogue outputs
2 × 0–10 V / 0–20 mA
Safety function
Safe Stop / Safe Torque Off
EMC filter
Integrated C3 EMC filter
Compliance
CE, cUL, TUV-SUD, UL
Protection rating
IP20
Mounting type
Wall / flange mounting
Dimensions (H × W × D)
approx. 554 × 338 × 329 mm
EMC Filter
Industrial
Frequently Asked Questions
What is the Unitronics UMI-0900EE-B1 used for?
This drive is used to control the speed and torque of large three-phase AC motors in industrial automation, process control and heavy-duty machinery applications.
What motor power is supported by this drive?
The UMI-0900EE-B1 supports motors with a rated output power of approximately 90 kW (120 HP).
What supply voltage does the drive require?
The drive operates from a three-phase 380–480 V AC supply.
Does this drive support communication with PLC systems?
Yes, the drive includes RS-485 Modbus RTU communication for integration with PLCs and industrial automation systems.
Does the UMI-0900EE-B1 include a safety function?
Yes, the drive includes Safe Stop / Safe Torque Off functionality to support safer machine operation.
Trusted by Automation Engineers Worldwide
Unitronics UMI-B1 EU variable frequency drives are widely used by automation engineers, system integrators and machine builders to deliver reliable high-power motor control, efficient operation and seamless integration into industrial equipment.
Power
90 kW
Current
180 A
Voltage
480 V
Phase
Three Phase
IP Rating
IP20
Series
UMI-B1 EU
Product type
AC variable frequency drive
Rated output power
90 kW / 120 HP
Rated output current
180 A
Input voltage
380–480 V AC
Input phases
3-phase
Input frequency
50 / 60 Hz
Control methods
SVPWM, sensorless vector control
Analogue inputs
1 × 0–10 V / 0–20 mA, 1 × 0–10 V
Analogue outputs
2 × 0–10 V / 0–20 mA
Safety function
Safe Stop / Safe Torque Off
EMC filter
Integrated C3 EMC filter
Compliance
CE, cUL, TUV-SUD, UL
Protection rating
IP20
Mounting type
Wall / flange mounting
Dimensions (H × W × D)
approx. 554 × 338 × 329 mm
EMC Filter
Industrial
No documents available for this product.
Delivery
We offer fast UK delivery on all stocked items. Orders placed before 3pm Monday to Friday are eligible for next-day delivery.
Standard delivery: 2–3 working days
Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
Returns
If you need to return an item, please contact our sales team within 30 days of receipt. Items must be returned unused in their original packaging.
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
Priority sourcing and supply support
Flexible payment terms for qualifying organisations
Support for engineering, maintenance, and operations
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Stock lines ready to ship
1,000 +
Same day dispatches
3500 +
Customers supported
28
Trusted Manfacturers
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...