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UMI-0550EE-B1 Unitronics | 55 kW 3 Phase 380-480VAC | VSD

MPN: UMI-0550EE-B1

Alt. SKU: UMI0550EEB1

Special Price £2,916.70 £2,430.58 Regular Price £3,431.40

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Why Choose the UMI-0550EE-B1 Variable Frequency Drive?

The UMI-0550EE-B1 is a top-tier 55 kW Variable Frequency Drive designed for high-performance industrial and commercial motor applications. With its IP66-rated protection, this VFD guarantees reliable operation in harsh outdoor and industrial environments, including dusty, wet, and high-temperature areas. Ideal for pumps, conveyors, and HVAC systems, it ensures energy-efficient motor control with precision and durability.

Key Features of the UMI-0550EE-B1 VFD

  • Power Rating - 55 kW (75 HP) for medium to large industrial motor control applications.
  • Voltage - 380 - 480V three-phase input, ensuring global compatibility.
  • Weatherproof (IP66 Rated) - Full protection against dust, dirt, and powerful water jets, making it ideal for outdoor installations.
  • Built-In EMC Filter - Helps to reduce electromagnetic interference (EMI), ensuring compliance with industrial EMC standards.
  • Control Modes - Includes V/F Control, Sensorless Vector Control (SVC), and Torque Control for precise and flexible motor management.
  • Corrosion-Resistant Design - Built to withstand extreme environmental conditions, with a durable and long-lasting enclosure.
  • High Overload Capability - Can handle up to 150% overload for 60 seconds and 180% for 10 seconds for heavy-duty applications.
  • User-Friendly Interface - Simple keypad and display for fast setup and easy operation.

How to Install the UMI-0550EE-B1 VFD

Installing the UMI-0550EE-B1 is a straightforward process for qualified technicians. It can be mounted directly to a wall or installed within a protective enclosure for extra weatherproofing. Follow the included wiring diagrams and ensure proper grounding. For outdoor applications, verify that cable entry points are sealed correctly to maintain the IP66 rating and prevent water or dust ingress.

UMI-0550EE-B1 - 55 kW Outdoor VFD with IP66 Protection

The UMI-0550EE-B1 offers reliable and efficient motor control for a wide range of industrial applications. With a 55 kW power rating, this VFD is ideal for medium to large motors in harsh environmental conditions. It is perfect for operations such as pumps, HVAC, water treatment, and material handling systems.

Key Features:

  • 55 kW (75 HP) power rating suitable for medium to large motors.
  • IP66-rated enclosure for reliable outdoor operation and protection against dust and water ingress.
  • EMC filter included to minimise electrical interference.
  • Multiple control modes, including Sensorless Vector Control (SVC) for precise speed control.
  • User-friendly interface with intuitive keypad and display for easy installation and operation.
  • Built to withstand corrosion and harsh environmental conditions.

Reliable Performance in Challenging Environments

The UMI-0550EE-B1 is designed for industrial environments that demand high reliability and precision. Its weatherproof design and advanced control features make it ideal for outdoor use in industries such as agriculture, mining, water treatment, and large-scale HVAC systems.

Frequently Asked Questions About the UMI-0550EE-B1

Applications:

  • Industrial pumps
  • Conveyor systems
  • HVAC and ventilation systems
  • Water treatment systems
  • Material handling equipment

Why Choose the UMI-0550EE-B1?

  • IP66-rated for outdoor use, offering full protection against dust and water.
  • 55 kW power rating, ideal for medium to large industrial motors.
  • Advanced motor control with various operation modes for optimal performance.
  • Corrosion-resistant, durable design built for demanding environments.

Frequently Asked Questions

IP66 protection ensures that the UMI-0550EE-B1 is fully dust-tight and resistant to powerful water jets, making it ideal for outdoor use in harsh industrial environments.

Yes, the UMI-0550EE-B1 is designed for outdoor use. Its IP66-rated enclosure protects it from rain, dust, and other environmental factors, ensuring reliable operation in tough conditions.

The UMI-0550EE-B1 is suitable for three-phase AC motors with a power rating of 55 kW (75 HP). It is ideal for medium-sized pumps, compressors, and industrial machinery.

Yes, the UMI-0550EE-B1 includes a built-in EMC filter to minimise electrical interference, helping it comply with industrial EMC standards for safe and reliable operation.

Regular maintenance includes cleaning the cooling vents, checking for water ingress, and inspecting the enclosure for damage. Ensure all cable glands and seals are intact to maintain the IP66 rating.

Yes. VSD (Variable Speed Drive), VFD (Variable Frequency Drive), Inverter, and Drive are all terms for devices that control the speed and torque of electric motors. These terms are often used interchangeably in different industries.


If you're looking for a reliable, energy-efficient VFD for medium to large motor applications, the UMI-0550EE-B1 offers durability, precision, and ease of use in even the most demanding environments.

More Information
Manufacturer Part Number UMI-0550EE-B1
Communication MODBUS RTU RS-485
Height 560mm
Width 282mm
Depth 238mm
Amperage 115A
Analog Input 1 x 0-10V/0-20mA, 1x 0-10V
Analog Output 2 x 0-10V, 0-20mA
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 Setting Analog, Digital, MODBUS, PID, Pulse
Cooling Air Cooling
Digital Inputs 1 x 50kHz, 4 x 1kHz
Dynamic Breaking Unit Optional
Filter C3 Filter Built In
HP Rating 75
Input Phases Three Phase
Input Frequency 50/60Hz
Degree of protection (IP) IP20
KW Rating 55kW
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
Product Image For Illustration Purposes Only
Manufacturer Unitronics
Alternative Product SKU UMI0550EEB1
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