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131F3986 Danfoss VLT AQUA Drive FC 200 18.5 KW / 25 HP, 380 - 480 VAC, IP55
MPN: 131F3986
Alt. SKU: FC-202P18KT4E55H3XGCXXXSXXXXAXBXCXXXXDX
Why Choose the Danfoss 131F3986 VLT AQUA Drive FC 202?
The Danfoss 131F3986 is a powerful and application-optimised VLT AQUA Drive FC 202 variable frequency drive (VFD) designed specifically for water and wastewater systems. Built for efficiency, reliability and precise motor control, it is ideal for pumps, fans and fluid handling applications in demanding industrial environments.
As part of the dedicated FC 202 AQUA Drive range, this model includes advanced control features tailored for water applications, helping reduce energy consumption, minimise pressure surges and improve overall system stability. These capabilities ensure lower operating costs and extended equipment life.
With a rated output power of 18.5 kW (fan/pump duty) and a three-phase 380–480 V AC supply, the 131F3986 is well suited for medium to heavy-duty pump and fan systems. Its robust IP55 enclosure allows installation in more exposed or industrial environments without requiring additional enclosures.
Key Advantages
- Dedicated VLT AQUA Drive FC 202 for water and wastewater systems.
- 18.5 kW motor power rating for demanding pump and fan applications.
- Three-phase 380–480 V AC input for industrial installations.
- Optimised energy efficiency reduces lifecycle costs.
- Improves system stability and protects pipework from pressure surges.
- IP55 enclosure for installation in harsh environments.
Key Features
- Danfoss VLT AQUA Drive FC 202 series.
- 18.5 kW (fan/pump duty) output rating.
- Three-phase 380–480 V AC input supply.
- IP55 / Type 12 enclosure for wall or field mounting.
- RFI Class A1/B (C1) filter for EMC compliance.
- Integrated brake chopper for improved braking performance.
- Safe Stop function for enhanced safety.
- Graphical local control panel (LCP) for intuitive setup.
- Coated PCB for increased durability.
Technical Specifications
- Manufacturer: Danfoss
- Series: VLT AQUA Drive FC 202
- Model: 131F3986
- Product type: AC variable frequency drive
- Rated output power: 18.5 kW (fan/pump), 15 kW (heavy duty)
- Input voltage: 380–480 V AC
- Input phases: 3-phase
- Input current: approx. 32–37.5 A depending on duty mode
- Frequency: 50 / 60 Hz
- Protection rating: IP55 / Type 12
- Frame size: B1
- Cooling method: Forced air cooling with heat sink
- Weight: approx. 21.5 kg
- Application focus: Water and wastewater systems
Optimised Drive for Water and Pump Applications
The VLT AQUA Drive FC 202 is engineered specifically for fluid handling processes, enabling smooth acceleration and deceleration of pumps while reducing mechanical stress and energy consumption. This ensures optimal system efficiency and stable flow control across varying operating conditions.
Advanced features such as dry run detection, overload protection and pressure control functions help extend equipment life and ensure reliable performance in critical infrastructure applications such as water treatment plants and distribution networks.
Typical Applications
- Water treatment and wastewater facilities.
- Booster pump systems and distribution networks.
- HVAC water circulation systems.
- Irrigation and agricultural pumping.
- Industrial fluid handling systems.
- Cooling and process water management.
Frequently Asked Questions
What is the Danfoss 131F3986 used for?
This drive is designed for controlling pumps and motors in water and wastewater systems, improving efficiency and reliability.
What motor power does this drive support?
The drive supports motors up to 18.5 kW in fan and pump applications.
What voltage supply does it require?
The 131F3986 operates on a three-phase 380–480 V AC supply.
Is this drive suitable for harsh environments?
Yes, with its IP55 enclosure, it is suitable for installation in demanding industrial environments.
Does it include braking capability?
Yes, this model includes an integrated brake chopper for improved control of deceleration and stopping.
Trusted by Water Industry Professionals
Danfoss VLT AQUA Drives are widely trusted for delivering energy-efficient, reliable and application-specific motor control in water and wastewater systems worldwide.
| Manufacturer Part Number | 131F3986 |
|---|---|
| Barcode | 5702427436831 |
| 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-202P18KT4E55H3XGCXXXSXXXXAXBXCXXXXDX |
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.