131L2051 Danfoss VLT AQUA Drive FC 200 18.5 KW / 25 HP, 380 - 480 VAC, IP20

131L2051 Danfoss VLT AQUA Drive FC 200 18.5 KW / 25 HP, 380 – 480 VAC, IP20

Danfoss 131L2051 VLT AQUA Drive FC 202, an 18.5 kW three phase AC variable frequency drive designed for water and wastewater pump control applications.

SKU: 131L2051Alt SKU: FC-202P18KT4E20H1XGXXXXSXXXXAXBYCXXXXD0MPN: 131L2051
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Why Choose the Danfoss 131L2051 VLT AQUA Drive?

The Danfoss 131L2051 is a high-performance VLT AQUA Drive FC 202 variable frequency drive (VFD), specifically engineered for water and wastewater applications. As part of the advanced Danfoss VLT AQUA Drive series, it delivers precise motor control, improved energy efficiency and long-term reliability for demanding industrial systems.

Designed for pump and fluid handling applications, this drive integrates intelligent control features that optimise system performance, reduce energy consumption and protect equipment from operational stress. The VLT AQUA Drive range is purpose-built to deliver high efficiency and reduced lifecycle costs in water infrastructure systems.

With a rated output power of 18.5 kW and operation on a three-phase 380–480 V AC supply, the 131L2051 is ideal for medium to high-power pump systems, including water treatment plants, HVAC circulation and industrial fluid handling applications.

Key Advantages

  • Purpose-built variable frequency drive for water and wastewater systems.
  • 18.5 kW motor power rating for demanding pump applications.
  • Three-phase 380–480 V AC input for industrial compatibility.
  • Optimised energy efficiency reduces operational costs.
  • Advanced pump control features improve 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.
  • RFI Class A1/B (C1) filter for EMC compliance.
  • Graphical local control panel for easy operation.
  • Integrated cascade control and pump protection functions.
  • No brake chopper configuration for standard pump applications.

Optimised Control for Water and Pump Systems

The VLT AQUA Drive FC 202 regulates motor speed by adjusting output voltage and frequency, enabling precise control of flow and pressure. This improves process efficiency while reducing energy consumption and mechanical wear on pumps and associated equipment.

Its application-specific features, including cascade control and protection functions, ensure stable and reliable operation in water systems, helping prevent issues such as cavitation, dry running and pressure fluctuations.

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.

Technical Specifications

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Power 18.5 kW
Voltage 480 V
Phase Three Phase
IP Rating IP20
EMC Filter Commercial
Series VLT AQUA Drive FC 202
Product type AC variable frequency drive
Rated output power 18.5 kW
Rated output current approx. 37 A
Input voltage 380–480 V AC
Input phases 3-phase
Frequency 50 / 60 Hz
Protection rating IP20 (chassis)
Mounting type Panel / cabinet mounting
Frame size B3
RFI filter Class A1/B (C1)
Brake chopper Not included

Frequently Asked Questions

What is the Danfoss 131L2051 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 131L2051 operates from a three-phase 380–480 V AC supply.

Does this drive include a brake chopper?

No, this configuration does not include a brake chopper, making it suitable for standard pump and fan applications.

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.