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134U3550 Danfoss VLT AQUA Drive FC 200 15 KW / 20 HP, 380 - 480 VAC, IP55

MPN: 134U3550

Alt. SKU: FC-202P15KT4P55H3XGX1XXSXXXXAXB0CXXXXDX

Special Price £2,780.10 £2,316.75 Regular Price £3,706.80

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Why Choose the Danfoss 134U3550 VLT® AQUA Drive FC 202?

The Danfoss 134U3550 is a robust and energy-efficient VLT® AQUA Drive FC 202 variable frequency drive (VFD) designed specifically for water, wastewater and industrial fluid handling applications. Built on Danfoss’ proven drive platform, it delivers precise motor control, improved system efficiency and long-term operational reliability.

As part of the VLT® AQUA Drive series, this model incorporates advanced pump control features including cascade operation, system monitoring and energy optimisation. These features help reduce mechanical stress, improve uptime and lower overall operating costs in critical infrastructure systems.

With a rated output power of 15 kW and a three-phase 380–480 V AC supply, the 134U3550 is ideally suited for medium-duty pumping systems, water treatment facilities and industrial fluid control applications.

Key Advantages

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

Key Features

  • Danfoss VLT® AQUA Drive FC 202 series.
  • 15 kW rated output power (20 HP).
  • Three-phase 380–480 V AC input supply.
  • IP55 enclosure for flexible installation outside panels.
  • RFI filter class A1/B (C1) for EMC compliance.
  • Graphical local control panel for easy commissioning.
  • Integrated mains disconnect for improved safety.
  • Advanced pump control including cascade and dry-run protection.

Technical Specifications

  • Manufacturer: Danfoss
  • Series: VLT® AQUA Drive FC 202
  • Model: 134U3550
  • Product type: AC variable frequency drive
  • Rated output power: 15 kW
  • Horsepower: 20 HP
  • Input voltage: 380–480 V AC
  • Input phases: 3-phase
  • Protection rating: IP55 / Type 12
  • Frame size: B1
  • Cooling method: Forced air cooling
  • Control panel: Graphical LCP

Efficient Pump Control for Water Systems

The Danfoss VLT® AQUA Drive FC 202 regulates motor speed based on real-time demand, ensuring efficient pump operation and stable system performance. This significantly reduces energy consumption and extends the lifespan of pumps and associated equipment.

Its IP55 enclosure allows installation in plant rooms, pump stations or exposed industrial environments, providing flexibility where traditional 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 infrastructure and utilities.

Frequently Asked Questions

What is the Danfoss 134U3550 used for?

This drive is designed for controlling pumps and motors in water and wastewater systems, including treatment plants and distribution networks.

What motor power does this drive support?

The drive supports motors with a rated output power of approximately 15 kW.

What supply voltage does it require?

The 134U3550 operates from a three-phase 380–480 V AC supply.

Can this drive be installed outside a control panel?

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

Does it include pump-specific features?

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

Trusted by Water Industry Engineers

Danfoss VLT® AQUA Drives are widely trusted in water and wastewater industries for delivering efficient, reliable motor control and reducing total cost of ownership.
More Information
Manufacturer Part Number 134U3550
Barcode 5710107995653
Height 494mm
Width 243mm
Depth 261mm
Filter Filter Included
Degree of protection (IP) IP55
KW Rating 15kW
VSD Range Danfoss VLT AQUA Drive FC 200
Manufacturer Danfoss
Alternative Product SKU FC-202P15KT4P55H3XGX1XXSXXXXAXB0CXXXXDX
Write Your Own Review
You're reviewing:134U3550 Danfoss VLT AQUA Drive FC 200 15 KW / 20 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.