131B9045 Danfoss VLT AQUA Drive FC 200 37 KW / 50 HP, 380 - 480 VAC, IP55

Why Choose the Danfoss VLT AQUA Drive FC 202 131B9045?

The Danfoss 131B9045 is a high-capacity VLT® AQUA Drive FC 202 engineered for demanding water and wastewater applications. This advanced variable frequency drive (VFD) delivers precise motor speed and torque control, enabling improved pump efficiency, reduced energy consumption and reliable long-term operation.

Designed for harsh industrial environments, this model features a durable IP55 / Type 12 enclosure, allowing installation outside standard control panels while maintaining protection against dust and moisture. The FC 202 series integrates intelligent application-specific features such as cascade control, deragging and automatic energy optimisation, ensuring efficient and stable operation in fluid handling systems.

With a rated motor power of 37 kW (50 HP) and compatibility with three-phase 380–480 V AC supply, the 131B9045 is ideal for high-capacity pumps, blowers and industrial water processing systems requiring powerful and energy-efficient motor control.

Key Advantages

• Dedicated VFD for water and wastewater applications.
• 37 kW motor power rating for high-demand systems.
• IP55 enclosure suitable for harsh or semi-outdoor environments.
• Three-phase 380–480 V AC input for industrial installations.
• Advanced energy optimisation reduces operating costs.
• Reliable long-term performance with minimal maintenance.

Key Features

• Danfoss VLT® AQUA Drive FC 202 series.
• 37 kW rated output power.
• Approx. 52–73 A nominal output current.
• Three-phase 380–480 V AC supply.
• Integrated PID controller for precise process regulation.
• Automatic Energy Optimisation (AEO) for improved efficiency.
• Built-in RFI filter for reduced electromagnetic interference.
• Graphical local control panel for simplified commissioning.
• No integrated brake chopper configuration.

Technical Specifications

• Manufacturer: Danfoss
• Series: VLT® AQUA Drive FC 202
• Model: 131B9045
• Product type: AC variable frequency drive
• Rated output power: 37 kW (50 HP)
• Rated output current: approx. 52–73 A
• Input voltage: 380–480 V AC
• Input phases: 3-phase
• Frequency: 50 / 60 Hz
• Protection rating: IP55 / Type 12
• Mounting type: Wall-mounted or panel mounting
• Frame size: C1
• Dimensions (H × W × D): approx. 685 × 308 × 311 mm
• Weight: approx. 37–40 kg

Optimised Control for High-Capacity Pump Systems

The Danfoss VLT AQUA Drive FC 202 regulates motor speed by adjusting output voltage and frequency, enabling precise control of flow and pressure. This improves energy efficiency, reduces mechanical wear and ensures stable performance across varying load conditions.

Purpose-built for water applications, the drive includes intelligent monitoring and protection features such as dry-run detection, deragging and condition monitoring, helping maximise uptime and reduce maintenance requirements in critical infrastructure systems.

Typical Applications

• Water and wastewater treatment plants.
• High-capacity booster pump systems.
• Industrial fluid handling and processing.
• Irrigation and large-scale agricultural systems.
• HVAC water circulation systems.
• Aeration and filtration processes.

Trusted by Water Industry Engineers

Danfoss VLT AQUA Drives are widely trusted for delivering efficient, reliable motor control in water and wastewater systems, helping reduce energy consumption and improve operational performance.