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131F3945 Danfoss VLT AQUA Drive FC 200 1.1 KW / 1.5 HP, 380 - 480 VAC, IP20
MPN: 131F3945
Alt. SKU: FC-202P1K1T4E20H1XGCXXXSXXXXAXBXCXXXXDX
Why Choose the Danfoss 131F3945 VLT AQUA Drive FC 202?
The Danfoss 131F3945 is a compact and highly efficient VLT AQUA Drive FC 202 variable frequency drive (VFD) designed specifically for water and wastewater applications. Engineered to deliver precise motor control and energy savings, it is ideal for pumps, fans and fluid handling systems operating in industrial environments.
As part of the dedicated FC 202 AQUA Drive range, this model includes advanced control algorithms that improve system efficiency, reduce energy consumption and protect infrastructure from pressure surges such as water hammer. Its application-specific design ensures reliable long-term operation in demanding conditions.
With a rated output power of 1.1 kW and a three-phase 380–480 V AC supply, the 131F3945 is ideal for small to medium pump and fan applications requiring stable performance and efficient operation within control panels.
Key Advantages
- Dedicated VLT AQUA Drive FC 202 for water and wastewater systems.
- 1.1 kW motor power rating for small industrial applications.
- Three-phase 380–480 V AC input compatible with industrial power systems.
- Optimised for energy efficiency and reduced operating costs.
- Protects systems from hydraulic stress and water hammer effects.
- Compact design for easy panel integration.
Key Features
- Danfoss VLT AQUA Drive FC 202 series.
- 1.1 kW rated output power.
- Three-phase 380–480 V AC input supply.
- IP20 enclosure for cabinet installation.
- Integrated RFI filter for EMC compliance.
- Graphical local control panel for easy configuration.
- Coated PCB for improved durability in industrial environments.
- Advanced pump control and protection functions.
Technical Specifications
- Manufacturer: Danfoss
- Series: VLT AQUA Drive FC 202
- Model: 131F3945
- Product type: AC variable frequency drive
- Rated output power: 1.1 kW
- Input voltage: 380–480 V AC
- Input phases: 3-phase
- Frequency: 50 / 60 Hz
- Protection rating: IP20
- Mounting type: Panel / cabinet mounting
- Cooling method: Heat sink with forced air cooling
- Application focus: Water and wastewater systems
Optimised Drive for Water and Pump Applications
The VLT AQUA Drive FC 202 is specifically designed for fluid handling processes, enabling smooth pump operation, reduced pressure spikes and improved energy efficiency. By adjusting motor speed dynamically, it ensures optimal flow control while minimising wear on mechanical components.
Advanced protection features help safeguard pumps and systems against overload, dry running and electrical disturbances, ensuring reliable and continuous operation in critical infrastructure.
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 131F3945 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 with a rated output power of approximately 1.1 kW.
What voltage supply does it require?
The 131F3945 operates on a three-phase 380–480 V AC supply.
Does it include pump protection features?
Yes, it includes advanced protection such as dry run detection and protection against pressure surges.
Where is this drive typically installed?
It is typically installed inside electrical control panels in water treatment and industrial systems.
Trusted by Water Industry Professionals
Danfoss VLT AQUA Drives are widely trusted in water and wastewater industries for delivering efficient, reliable and application-specific motor control solutions.
| Manufacturer Part Number | 131F3945 |
|---|---|
| Barcode | 5702427436428 |
| Height | 268mm |
| Width | 90mm |
| Depth | 205mm |
| Filter | Filter Included |
| Degree of protection (IP) | IP20 |
| KW Rating | 1.1kW |
| VSD Range | Danfoss VLT AQUA Drive FC 200 |
| Manufacturer | Danfoss |
| Alternative Product SKU | FC-202P1K1T4E20H1XGCXXXSXXXXAXBXCXXXXDX |
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.