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134U9773 Danfoss VLT AQUA Drive FC 200 18.5 KW / 25 HP, 380 - 480 VAC, IP55

MPN: 134U9773

Alt. SKU: FC-202P18KT4E55H1TGXXXXSXXXXAQBXCXXXXDX

Special Price £3,217.50 £2,681.25 Regular Price £4,290.00

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Why Choose the Danfoss 134U9773 VLT® AQUA Drive FC 202?

The Danfoss 134U9773 is a powerful and reliable AC variable frequency drive (VFD) from the Danfoss VLT® AQUA Drive FC 202 series, designed for demanding water, wastewater, pumping and industrial fluid handling applications. Engineered to deliver precise motor speed control, improved process stability and reduced energy consumption, this drive is ideal for large pumps and infrastructure systems.

The VLT® AQUA Drive FC 202 range is specifically developed for pump control, helping operators reduce water hammer, maintain stable pressure and optimise motor performance. Its intelligent control functions, integrated safety features and flexible communication options make it suitable for modern automation networks and process control environments.

With a rated output power of 18.5 kW (25 HP) and a three-phase 380–480 V AC supply, the Danfoss 134U9773 provides dependable control for larger pump motors and industrial process equipment. Its IP55 / Type 12 enclosure, integrated RFI Class A1/B (C1) filter, Safe Stop functionality and Modbus TCP MCA 122 communication option make it a robust choice for demanding installations.

Key Advantages

  • Purpose-built variable frequency drive for water and wastewater applications.
  • 18.5 kW (25 HP) motor power rating for larger pump and process systems.
  • Three-phase 380–480 V AC input suitable for industrial power supplies.
  • IP55 / Type 12 enclosure for enhanced environmental protection.
  • Integrated RFI Class A1/B (C1) filtering for reduced electrical interference.
  • Built-in Safe Stop functionality for improved machine safety.
  • Modbus TCP MCA 122 communication option for automation integration.
  • Designed to improve pump efficiency, reduce mechanical stress and lower operating costs.

Key Features

  • Danfoss VLT® AQUA Drive FC 202 series.
  • 18.5 kW rated output power.
  • 25 HP motor capacity.
  • Three-phase 380–480 V AC input supply.
  • IP55 / Type 12 enclosure.
  • RFI Class A1/B (C1) filter.
  • Integrated Safe Stop functionality.
  • Graphical Local Control Panel.
  • Modbus TCP MCA 122 communication module.
  • Not coated PCB configuration.
  • No mains option, no B option, no C1 option and no D option.
  • Frame size B1 construction.

Technical Specifications

  • Manufacturer: Danfoss
  • Series: VLT® AQUA Drive FC 202
  • Model: 134U9773
  • Model Code: FC-202P18KT4E55H1TGXXXXSXXXXAQBXCXXXXDX
  • Product type: AC variable frequency drive
  • Rated output power: 18.5 kW
  • Horsepower: 25 HP
  • Input voltage: 380–480 V AC
  • Input phases: 3-phase
  • Protection rating: IP55 / Type 12
  • Frame size: B1
  • Communication: Modbus TCP MCA 122
  • Control panel: Graphical Local Control Panel
  • RFI filter: Class A1/B (C1)
  • Safe Stop: Included
  • PCB coating: Not coated
  • Dimensions (H × W × D): approx. 494 × 243 × 261 mm

Efficient Motor Control for Large Pumping Systems

The Danfoss VLT® AQUA Drive FC 202 is developed to support efficient variable speed control in water and wastewater environments. By adjusting motor output to match real system demand, the drive helps reduce energy usage, protect pump equipment and maintain consistent flow and pressure.

The 134U9773 configuration combines robust enclosure protection, integrated filtering and Modbus TCP connectivity, making it well suited for larger pump stations, treatment plants and industrial process installations that require dependable drive performance and automation integration.

Typical Applications

  • Water treatment plants.
  • Wastewater pumping stations.
  • Large booster pump systems.
  • Industrial pumping applications.
  • Irrigation and drainage systems.
  • HVAC water circulation systems.
  • Municipal water infrastructure.
  • Fluid handling and process control systems.

Frequently Asked Questions

What is the Danfoss 134U9773 used for?

The Danfoss 134U9773 is used for variable speed control of AC motors in water, wastewater, pumping, HVAC and industrial fluid handling applications.

What motor power is supported by this drive?

This model is rated for motors up to approximately 18.5 kW (25 HP).

What supply voltage does the drive require?

The drive operates from a three-phase 380–480 V AC supply.

What protection rating does the drive have?

The Danfoss 134U9773 has an IP55 / Type 12 enclosure rating, providing enhanced protection for demanding installation environments.

Which communication option is included?

This configuration includes Modbus TCP MCA 122 communication for integration into industrial automation and control networks.

Trusted by Water Industry Professionals Worldwide

Danfoss VLT® AQUA Drive FC 202 variable frequency drives are trusted by water, wastewater and industrial process engineers for efficient pump control, reliable operation and seamless integration into modern automation systems.
More Information
Manufacturer Part Number 134U9773
Barcode 5710108058340
Height 494mm
Width 243mm
Depth 261mm
Filter Filter Included
Degree of protection (IP) IP55
KW Rating 18.5kW
VSD Range Danfoss VLT AQUA Drive FC 200
Manufacturer Danfoss
Alternative Product SKU FC-202P18KT4E55H1TGXXXXSXXXXAQBXCXXXXDX
Write Your Own Review
You're reviewing:134U9773 Danfoss VLT AQUA Drive FC 200 18.5 KW / 25 HP, 380 - 480 VAC, IP55

This unit is designed for water and wastewater applications and has a variety of powerful features, with add-ons which can enhance performance. These drives are suited to new or retrofit projects.

Adding motor control to pumps and blowers used for water and wastewater treatment means it's easier to handle variable workloads. This drive provides between 10% and 30% savings in the first year alone, when compared to traditional drives, as it offers low maintenance costs and energy consumption. 

The quick and user-friendly setup of water and pump settings reduces installation time ensuring a fast route to maximum energy efficiency and motor control.


Supply voltages and power range 

1 x 200-240 V...1.1-22 kW

1 x 380-480 V...7.5-37 kW

3 x 200-240 V...0.25-45 kW

3 x 380-480 V...0.37 kW – 1 MW 

3 x 525-600 V...0.75-90 kW

3 x 525-690 V...45 kW – 1.4 MW


Low harmonic drive

3 x 380-480 V...132-710 kW

12-pulse drive

3 x 380-690...250-1400 kW


Features and benefits

  • Assets are protected thanks to specially designed software that prevents, for example, water hammering
  • Energy efficiency is maximized as a result of the drives control algorithms and design which focus on reducing heat loss
  • High energy savings related to air conditioning are ensured due to the unique back-channel-cooling concept that transfers 90% of heat away from the room
  • Electromagnetic interference and harmonic distortion are reduced thanks to the built-in, scalable RFI filter and integrated DC link chokes
  • Perfect system integration and adaptation to the application are possible due to freely programmable warnings and alerts
  • 3–8% energy savings are achieved as a result of Automatic Energy Optimization


Applications

Centrifugal pumps and blowers, positive displacement blowers.


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For further information on this product please get in touch with our team or visit the Danfoss website.