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131H9852 Danfoss VLT AQUA Drive FC-202 18.5 KW / 25 HP, 380 - 480 VAC, IP66
MPN: 131H9852
Alt. SKU: FC-202P18KT4E66H3XGX1XXSXXXXAXBXCXXXXDX
Special Price
£3,222.00
£2,685.00
Regular Price
£4,296.00
Why Choose the Danfoss 131H9852 VLT AQUA Drive?
The Danfoss 131H9852 is a high-efficiency VLT AQUA Drive FC 202 variable frequency drive (VFD), purpose-built for water and wastewater applications. As part of the advanced Danfoss VLT AQUA Drive series, it delivers precise motor control, reduced energy consumption and long-term reliability across demanding industrial environments.
Engineered specifically for pump and fluid handling systems, this drive integrates intelligent control features such as automatic energy optimisation, cascade control and pump protection functions. These capabilities help improve system performance, reduce downtime and lower lifecycle costs.
With a rated output power of 18.5 kW and operation on a three-phase 380–480 V AC supply, the 131H9852 is ideal for medium to high-power pump systems, including water treatment plants, HVAC circulation and industrial fluid processes.
Key Advantages
- Purpose-built variable frequency drive for water and wastewater systems.
- 18.5 kW motor power rating for demanding applications.
- Three-phase 380–480 V AC input for industrial compatibility.
- Advanced energy optimisation reduces operational costs.
- Integrated pump control improves reliability and uptime.
- Designed for continuous-duty industrial environments.
Key Features
- Danfoss VLT AQUA Drive FC 202 series.
- 18.5 kW rated output power.
- Three-phase 380–480 V AC input supply.
- IP20 / chassis enclosure for panel mounting.
- Built-in PID controller for process control.
- Automatic Energy Optimisation (AEO) for reduced energy use.
- Integrated cascade control and dry-run protection.
- Expandable with communication and I/O modules.
Technical Specifications
- Manufacturer: Danfoss
- Series: VLT AQUA Drive FC 202
- Model: 131H9852
- Product type: AC variable frequency drive
- Rated output power: 18.5 kW
- Input voltage: 380–480 V AC
- Input phases: 3-phase
- Frequency: 50 / 60 Hz
- Protection rating: IP20 (chassis)
- Mounting type: Panel / cabinet mounting
- Cooling method: Forced air cooling
- Application focus: Water and wastewater systems
Optimised Control for Pump and Water Systems
The VLT AQUA Drive FC 202 regulates motor speed by adjusting voltage and frequency, enabling precise control of flow and pressure. This improves system efficiency while reducing energy consumption and mechanical wear.
Its built-in intelligence and application-specific functionality allow stable operation under varying load conditions, helping prevent issues such as cavitation, dry running and pressure fluctuations in critical infrastructure systems.
Typical Applications
- Water and wastewater treatment plants.
- Booster and distribution pumping systems.
- HVAC water circulation systems.
- Industrial fluid handling and processing.
- Irrigation and agricultural pumping.
- Municipal infrastructure projects.
Frequently Asked Questions
What is the Danfoss 131H9852 used for?
This drive is designed for controlling pumps and motors in water and wastewater systems, improving efficiency and reliability.
What motor power is supported by this drive?
The drive supports motors with a rated output power of approximately 18.5 kW.
What supply voltage does the drive require?
The Danfoss 131H9852 operates from a three-phase 380–480 V AC supply.
Does this drive include pump-specific features?
Yes, it includes features such as cascade control, dry-run protection and automatic energy optimisation tailored for water systems.
Where is this drive typically installed?
The drive is typically installed inside electrical control panels in industrial or municipal water infrastructure systems.
Trusted by Water Industry Professionals
Danfoss VLT AQUA Drives are widely trusted in water and wastewater applications, delivering reliable motor control, energy efficiency and reduced lifecycle costs.
| Manufacturer Part Number | 131H9852 |
|---|---|
| Barcode | 5702427603813 |
| Height | 494mm |
| Width | 243mm |
| Depth | 261mm |
| Filter | Filter Included |
| Degree of protection (IP) | IP66 |
| KW Rating | 18.5kW |
| VSD Range | Danfoss VLT AQUA Drive FC 202 |
| Manufacturer | Danfoss |
| Alternative Product SKU | FC-202P18KT4E66H3XGX1XXSXXXXAXBXCXXXXDX |
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.
