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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 £3,138.30 £2,615.25 Regular Price £4,184.40

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

The Danfoss 134U9773 is a high-performance VLT® AQUA Drive FC 202 variable frequency drive (VFD) engineered for precise motor control in water, wastewater and industrial fluid handling systems. Designed using advanced Danfoss drive technology, it delivers excellent efficiency, robust reliability and long-term operational stability.

As part of the dedicated AQUA Drive series, this model integrates intelligent pump control functions such as cascade control, dry-run protection and system monitoring. These capabilities optimise pump performance, reduce energy consumption and improve system uptime. The VLT® AQUA Drive platform is specifically developed to maximise efficiency and reduce total cost of ownership in water applications.

With a rated output power of 11 kW and a three-phase 380–480 V AC supply, the 134U9773 is ideally suited for medium-duty pumping systems, water treatment plants and industrial fluid control applications.

Key Advantages

  • Purpose-built AQUA drive for water and wastewater systems.
  • 11 kW motor power rating for medium-capacity applications.
  • Three-phase 380–480 V AC input for industrial installations.
  • IP55 / Type 12 enclosure suitable for exposed environments.
  • Optimised pump control reduces energy consumption and operating costs.
  • Advanced protection features improve system reliability and uptime.

Key Features

  • Danfoss VLT® AQUA Drive FC 202 series.
  • 11 kW rated output power (15 HP).
  • Three-phase 380–480 V AC input supply.
  • IP55 enclosure for flexible installation outside panels.
  • Integrated Safe Torque Off (Safe Stop) safety function.
  • Built-in RFI filter and DC link chokes for EMC compliance.
  • Automatic Energy Optimisation (AEO) for improved efficiency.
  • Graphical local control panel for easy commissioning.

Technical Specifications

  • Manufacturer: Danfoss
  • Series: VLT® AQUA Drive FC 202
  • Model: 134U9773
  • Product type: AC variable frequency drive
  • Rated output power: 11 kW
  • Horsepower: 15 HP
  • Rated output current: approx. 24–26 A
  • Input voltage: 380–480 V AC
  • Input phases: 3-phase
  • Protection rating: IP55 / Type 12
  • Cooling method: Forced air cooling
  • Application type: Pumps, blowers and fluid systems

Efficient Pump Control for Water Systems

The Danfoss VLT® AQUA Drive FC 202 regulates motor speed according to system demand, ensuring efficient fluid movement and stable pressure control. This significantly reduces energy consumption while improving system efficiency and extending equipment lifespan.

Its IP55-rated enclosure enables installation in plant rooms or exposed environments, providing flexibility for decentralised installations where panel-mounted drives are not suitable.

Typical Applications

  • Water and wastewater treatment plants.
  • Booster and distribution pumping systems.
  • Irrigation and agricultural water systems.
  • Industrial fluid handling and processing.
  • Cooling water circulation systems.
  • Municipal utilities and infrastructure.

Frequently Asked Questions

What is the Danfoss 134U9773 used for?

This drive is designed for controlling pumps and motors in water and wastewater systems and industrial fluid applications.

What motor power does this drive support?

The drive supports motors with a rated output power of approximately 11 kW.

What supply voltage does it require?

The 134U9773 operates from a three-phase 380–480 V AC supply.

Can it be installed outside a control panel?

Yes, the IP55 enclosure allows installation in exposed environments such as pump stations or plant rooms.

Does it include pump-specific features?

Yes, it includes cascade control, dry-run protection and monitoring features to optimise pump performance.

Trusted by Water Industry Engineers

Danfoss VLT® AQUA Drives are widely trusted worldwide for delivering reliable, energy-efficient motor control and reducing total cost of ownership in water and wastewater applications.
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.