134H6651 Danfoss VLT AQUA Drive FC-202 18.5 KW / 25 HP, 380 - 480 VAC, IP55

Why Choose the Danfoss 134H6651 VLT AQUA Drive FC-202?

The Danfoss 134H6651 is a robust AC variable frequency drive (VFD) from the Danfoss VLT® AQUA Drive FC-202 series, designed specifically for water, wastewater and pump control applications. Built for precise motor speed regulation, it helps improve system efficiency, reduce mechanical stress and support reliable operation in demanding industrial and municipal water environments.

This drive combines Danfoss motor control technology with application-specific features for pump and fan systems. The VLT® AQUA Drive FC-202 range is engineered to deliver dependable speed control, energy-efficient operation and flexible integration with automation systems.

With a rated output power of 18.5 kW and a three-phase 380–480 V AC supply, the 134H6651 is suitable for pump, booster and water treatment applications. Its IP55 / Type 12 backplate enclosure provides strong protection for installations where dust and water ingress resistance are required.

Key Advantages

• Application-specific variable frequency drive for water and wastewater systems.
• 18.5 kW motor power rating suitable for pump and process equipment.
• Three-phase 380–480 V AC input for industrial electrical systems.
• IP55 / Type 12 backplate enclosure for demanding installation environments.
• Integrated RFI filter for reduced electrical interference.
• Integrated Safe Stop functionality for enhanced operational safety.
• Graphical Local Control Panel for commissioning and monitoring.
• Efficient motor control helps reduce energy consumption and mechanical wear.

Key Features

• Danfoss VLT® AQUA Drive FC-202 series.
• 18.5 kW rated output power.
• 25 HP motor rating.
• Three-phase 380–480 V AC input supply.
• IP55 / Type 12 backplate protection rating.
• RFI filter included.
• Safe Stop included.
• Graphical Local Control Panel.
• Not coated PCB.
• No mains option.
• Latest release standard software.
• Frame size B1 construction.

Technical Specifications

• Manufacturer: Danfoss
• Series: VLT® AQUA Drive FC-202
• Model: 134H6651
• Model code: FC-202P18KT4P55H2TGXXXXSXXXXAXBXCXXXXDX
• Product type: AC variable frequency drive
• Rated output power: 18.5 kW
• Motor power: 25 HP
• Input voltage: 380–480 V AC
• Input phases: 3-phase
• Frequency: 50 / 60 Hz
• Protection rating: IP55 / Type 12 backplate
• RFI filter: Integrated RFI filter
• Safety function: Safe Stop
• Control panel: Graphical Local Control Panel
• PCB coating: Not coated PCB
• Mains option: No mains option
• Frame size: B1
• Supply type: Three phase in / three phase out

Reliable Drive Control for Water and Pump Systems

The Danfoss VLT® AQUA Drive FC-202 regulates motor speed by adjusting output frequency and voltage according to system demand. This allows pumps and process motors to operate efficiently, helping reduce pressure fluctuations, energy waste and unnecessary mechanical stress.

The 134H6651 is well suited to water and wastewater installations where reliable pump control, a protected enclosure and long-term operational efficiency are required. Its dedicated water application design makes it a practical choice for engineers, utilities and system integrators.

Typical Applications

• Water treatment systems.
• Wastewater processing plants.
• Booster pump systems.
• Municipal pumping stations.
• Industrial process water systems.
• Water distribution infrastructure.
• Filtration and circulation systems.
• Commercial and industrial pump control applications.

Trusted by Water Industry Professionals Worldwide

Danfoss VLT® AQUA Drives are trusted by engineers, utilities and system integrators worldwide to deliver reliable pump control, improved energy efficiency and dependable operation in water and wastewater applications.