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134U4739 Danfoss VLT AQUA Drive FC-202 37 KW / 50 HP, 380 - 480 VAC, IP55
MPN: 134U4739
Alt. SKU: FC-202P37KT4E55H1XGXXXXSXXXXALBXCXXXXDX
Special Price
£4,581.00
£3,817.50
Regular Price
£6,108.00
Why Choose the Danfoss 134U4739 VLT® AQUA Drive FC 202?
The Danfoss 134U4739 is a powerful and efficient VLT® AQUA Drive FC 202 variable frequency drive (VFD) designed for advanced motor control in water, wastewater and industrial fluid handling systems. Built for reliability and performance, it delivers precise speed regulation while reducing energy consumption and operational costs.
As part of the specialised VLT® AQUA Drive range, this model includes intelligent pump control functions such as cascade operation, dry-run protection and integrated monitoring. These features ensure stable system performance, reduce mechanical stress and enhance overall system efficiency.
With a rated output power of 37 kW and a three-phase 380–480 V AC supply, the 134U4739 is ideally suited for medium to large pumping systems, water treatment plants and industrial process applications requiring continuous-duty operation.
Key Advantages
- Purpose-built AQUA drive for water and wastewater systems.
- 37 kW motor power rating for high-capacity applications.
- Three-phase 380–480 V AC input for industrial installations.
- Optimised pump control reduces energy consumption and running costs.
- Advanced protection features improve system reliability and uptime.
- Designed for continuous-duty operation in demanding environments.
Key Features
- Danfoss VLT® AQUA Drive FC 202 series.
- 37 kW rated output power (50 HP).
- Approx. 75 A nominal output current.
- Three-phase 380–480 V AC input supply.
- Integrated cascade controller for multi-pump systems.
- RFI filter class A1/B (C1) for EMC compliance.
- Graphical local control panel for simplified setup.
- Robust design for long-term industrial use.
Technical Specifications
- Manufacturer: Danfoss
- Series: VLT® AQUA Drive FC 202
- Model: 134U4739
- Product type: AC variable frequency drive
- Rated output power: 37 kW
- Horsepower: 50 HP
- Rated output current: approx. 75 A
- Input voltage: 380–480 V AC
- Input phases: 3-phase
- Protection rating: IP20 or IP55 variant (depending on configuration)
- Frame size: C1 / C2 class
- Cooling method: Forced air cooling
Efficient Pump Control for Water Systems
The Danfoss VLT® AQUA Drive FC 202 is engineered to regulate motor speed according to system demand. This ensures efficient fluid movement, stabilises pressure and significantly reduces energy consumption across water and wastewater systems.
Its intelligent control algorithms and built-in protection features make it ideal for applications where reliability and efficiency are critical.
Typical Applications
- Water and wastewater treatment plants.
- Booster and distribution pumping systems.
- Industrial fluid handling and processing.
- Cooling water circulation systems.
- Irrigation and agricultural infrastructure.
- Municipal utilities and infrastructure projects.
Frequently Asked Questions
What is the Danfoss 134U4739 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 37 kW.
What supply voltage does it require?
The 134U4739 operates from a three-phase 380–480 V AC supply.
Does it include pump-specific features?
Yes, it includes advanced functions such as cascade control, dry-run protection and system monitoring.
Is it suitable for continuous operation?
Yes, it is designed for continuous-duty operation in demanding industrial and infrastructure environments.
Trusted by Water Industry Engineers
Danfoss VLT® AQUA Drives are widely trusted worldwide for delivering reliable, energy-efficient motor control in water and wastewater applications.
| Manufacturer Part Number | 134U4739 |
|---|---|
| Barcode | 5710108007591 |
| Height | 685mm |
| Width | 308mm |
| Depth | 311mm |
| Filter | Filter Included |
| Degree of protection (IP) | IP55 |
| KW Rating | 37kW |
| VSD Range | Danfoss VLT AQUA Drive FC 202 |
| Manufacturer | Danfoss |
| Alternative Product SKU | FC-202P37KT4E55H1XGXXXXSXXXXALBXCXXXXDX |
Write Your Own Review
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.
