UMI-0220CU-B7 Unitronics| 22 kW 3 Phase 200-240VAC | VSD

Why Choose the Unitronics UMI-0220CU-B7 Variable Frequency Drive?

The Unitronics UMI-0220CU-B7 is a powerful 22 kW variable frequency drive (VFD) designed for precise control of industrial three-phase AC motors. Operating on a 200–240 V AC three-phase power supply, this drive delivers reliable and efficient motor speed control for demanding industrial applications including pumps, conveyors, compressors and process equipment.

Part of the advanced UMI-B7 series, the drive combines modern motor control technology with flexible communication and integration capabilities. The platform supports sensorless vector control, closed-loop vector control and SVPWM motor control, enabling accurate torque regulation, smooth acceleration and improved process efficiency across a wide range of automation systems.

Designed for modern industrial automation, the drive integrates easily with PLC and HMI systems. Built-in Modbus RTU communication via RS-485 enables direct connection to control networks, while optional expansion cards allow additional communication and I/O functionality for larger automation architectures.

Key Advantages

• 22 kW (30 HP) motor control suitable for demanding industrial equipment.
• 200–240 V three-phase input designed for low-voltage industrial power systems.
• Advanced vector motor control algorithms for precise speed and torque regulation.
• Integrated Safe Torque Off (STO) functional safety support.
• Modbus RTU communication for PLC and automation system integration.
• Expandable architecture with optional communication, encoder and I/O cards.

Key Features

• Variable frequency drive (VFD) for industrial motor speed control.
• Rated motor power: 22 kW / 30 HP.
• Input voltage: 200–240 V AC three-phase.
• Output frequency range up to 400 Hz.
• Built-in Modbus RTU RS-485 communication.
• Multiple analogue and digital I/O for flexible control integration.
• Removable keypad with graphical display for configuration and monitoring.
• Supports asynchronous induction and permanent-magnet synchronous motors.

Technical Specifications

• Manufacturer: Unitronics
• Series: UMI-B7 Variable Frequency Drives
• Model: UMI-0220CU-B7
• Rated motor power: 22 kW (30 HP)
• Input voltage: 200–240 V AC, three-phase
• Input frequency: 50 / 60 Hz
• Rated output current: approx. 80 A
• Output frequency range: 0–400 Hz
• Control methods: SVPWM, sensorless vector control (SVC), closed-loop vector control (VC)
• Communication: Modbus RTU RS-485 + optional communication cards
• Analogue inputs: 0–10 V / 0–20 mA
• Analogue outputs: 0–10 V / 0–20 mA
• Protection rating: IP20
• Cooling method: Forced air cooling
• Approx. dimensions: 557 mm × 270 mm × 325 mm

Industrial Motor Control and Energy Efficiency

Variable frequency drives allow motors to operate at precisely controlled speeds by adjusting the frequency and voltage supplied to the motor. This improves energy efficiency, reduces mechanical stress and enables precise process control across manufacturing and automation systems. Modern VFD platforms such as the UMI-B7 also support advanced closed-loop control for applications requiring accurate torque and speed regulation.

Typical Applications

• Pumps and water treatment systems.
• Industrial fans and HVAC equipment.
• Material handling and conveyor systems.
• Packaging and processing machinery.
• General industrial motor speed control.

Trusted by Automation Engineers

Unitronics UMI-B7 drives are widely used by machine builders and system integrators for reliable and efficient motor control in industrial automation environments.