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UMI-0450EE-B1 Unitronics | 45 kW 3 Phase 380-480VAC | VSD

MPN: UMI-0450EE-B1

Alt. SKU: UMI0450EEB1

Special Price £2,575.75 £2,146.46 Regular Price £3,030.30

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Why Choose the Unitronics UMI-0450EE-B1 Variable Frequency Drive?

The Unitronics UMI-0450EE-B1 is a high-power variable frequency drive (VFD) from the UMI-B1 EU series designed for demanding industrial motor control applications. Rated at 45 kW (60 HP), this inverter operates from a 380–440 V AC three-phase supply, providing reliable speed control and stable torque for heavy industrial equipment such as large pumps, compressors, conveyors and process machinery.

The drive uses advanced inverter technologies including sensorless vector control and space vector PWM (SVPWM), allowing smooth acceleration, stable torque delivery and precise speed regulation across varying load conditions. These control algorithms improve motor efficiency and performance in demanding automation environments.

Designed for seamless integration with industrial control systems, the UMI-0450EE-B1 includes RS-485 communication with Modbus RTU, enabling connection with PLC and HMI systems. The UMI-B1 series also supports comprehensive protection functions and industrial-grade design, ensuring dependable performance in heavy-duty automation installations.

Key Features

  • 45 kW (60 HP) variable frequency drive for high-power 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 with SVPWM for stable torque and efficient operation.
  • Built-in RS-485 Modbus RTU communication for PLC integration.
  • Heavy-duty overload capability up to 200% for short durations.
  • Industrial design suitable for demanding automation systems.
  • Comprehensive motor and inverter protection functions.

Technical Specifications

  • Manufacturer: Unitronics
  • Series: UMI-B1 EU
  • Model: UMI-0450EE-B1
  • Product type: Variable frequency drive (VFD)
  • Rated motor power: 45 kW (60 HP)
  • Input voltage: 380–440 V AC
  • Input phase: Three phase
  • Output frequency range: 0–400 Hz
  • Motor control methods: Sensorless vector control, V/F control
  • Communication: RS-485 with Modbus RTU
  • Overload capability: up to 200% for short duration
  • Protection rating: IP20
  • Cooling: Forced air cooling
  • Operating temperature: −10 °C to +50 °C
  • Mounting: Panel or cabinet mounting

Typical Applications

  • Large conveyor and material handling systems.
  • Industrial pumps, compressors and ventilation systems.
  • Heavy manufacturing and process machinery.
  • Packaging and production lines.
  • Energy-efficient speed control of high-power AC motors.

Frequently Asked Questions

What is the UMI-0450EE-B1 used for?

This inverter 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 drive control?

The UMI-0450EE-B1 is designed for motors up to 45 kW (60 HP).

What power supply does the inverter require?

The drive operates from a 380–440 V AC three phase power supply, commonly used in industrial power systems.

Does the drive support PLC communication?

Yes. The inverter includes RS-485 communication supporting Modbus RTU, enabling integration with PLC and industrial automation systems.

What protection features are included?

The drive includes protection functions such as overcurrent, overload, overvoltage, undervoltage and overheating protection to safeguard both the motor and the inverter.

Trusted by Automation Engineers

Unitronics UMI-B1 drives are widely used by machine builders and industrial engineers to deliver reliable motor control, energy efficiency and dependable performance in demanding automation environments.
More Information
Manufacturer Part Number UMI-0450EE-B1
Communication MODBUS RTU RS-485
Height 560mm
Width 282mm
Depth 238mm
Amperage 92A
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 Optional
Filter C3 Filter Built In
HP Rating 60
Input Phases Three Phase
Input Frequency 50/60Hz
Degree of protection (IP) IP20
KW Rating 45kW
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 UMI0450EEB1
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