134U4739 Danfoss VLT AQUA Drive FC-202 37 KW / 50 HP, 380 - 480 VAC, IP55

Why Choose the Danfoss 134U4739 VLT® AQUA Drive FC 202?

The Danfoss 134U4739 is a powerful and efficient AC variable frequency drive (VFD) from the Danfoss VLT® AQUA Drive FC 202 series, designed for reliable motor control in water, wastewater and industrial fluid handling applications. Built for demanding pump and fan systems, this drive helps improve energy efficiency, process stability and long-term operational reliability.

The VLT AQUA Drive FC 202 range is purpose-built for AC-motor-driven water and wastewater systems, offering intelligent pump control, advanced protection functions and flexible automation integration. Its dedicated functionality helps reduce energy consumption, minimise mechanical stress and support dependable operation across industrial and infrastructure systems.

With a rated output power of 37 kW and a three-phase 380–480 V AC supply, the Danfoss 134U4739 is suitable for pumps, fans, blowers and process motors. The IP55 / Type 12 enclosure provides enhanced protection for installations where greater ingress protection and robust construction are required.

Key Advantages

• Dedicated variable frequency drive for water and wastewater applications.
• 37 kW / 50 HP motor power rating for industrial pump and fan control.
• Three-phase 380–480 V AC input compatible with industrial electrical supplies.
• IP55 / Type 12 enclosure for protected installation environments.
• RFI Class A1/B (C1) filter for improved EMC performance.
• PROFINET MCA 120 communication option for industrial network integration.
• Efficient speed control helps reduce energy use and mechanical wear.

Key Features

• Danfoss VLT® AQUA Drive FC 202 series.
• 37 kW rated output power.
• 50 HP motor rating.
• Three-phase 380–480 V AC input supply.
• IP55 / Type 12 C1 frame enclosure.
• RFI Class A1/B (C1) filtering.
• No brake chopper configuration.
• Graphical local control panel included.
• PROFINET MCA 120 communication option.
• Not coated PCB and no mains option configuration.

Technical Specifications

• Manufacturer: Danfoss
• Series: VLT® AQUA Drive FC 202
• Model: 134U4739
• Alternative model code: FC-202P37KT4E55H1XGXXXXSXXXXALBXCXXXXDX
• Product type: AC variable frequency drive
• Rated output power: 37 kW
• Horsepower: 50 HP
• Input voltage: 380–480 V AC
• Input phases: 3-phase
• Frequency: 50 / 60 Hz
• Protection rating: IP55 / Type 12
• Mounting type: Wall / panel mounting
• RFI filter: Class A1/B (C1)
• Brake chopper: No brake chopper
• Control panel: Graphical local control panel
• PCB coating: Not coated PCB
• Mains option: No mains option
• Communication: PROFINET MCA 120
• Frame size: C1
• Dimensions (H × W × D): approx. 685 × 308 × 311 mm

Efficient Motor Control for Water Systems

Variable frequency drives such as the Danfoss VLT® AQUA Drive FC 202 regulate motor speed by adjusting output frequency and voltage. This enables pumps, fans and process motors to operate according to real system demand, helping reduce wasted energy while improving pressure, flow and process stability.

The Danfoss 134U4739 is particularly suited to water and wastewater systems where dependable motor control, protected installation and automation connectivity are essential. Its IP55 enclosure, RFI filtering and PROFINET communication option make it a strong choice for modern fluid handling and industrial control applications.

Typical Applications

• Water treatment plants.
• Wastewater processing facilities.
• Booster pump stations.
• Industrial pumping systems.
• Irrigation and water distribution networks.
• Fans, blowers and ventilation equipment.
• Fluid handling and process automation systems.

Trusted by Water Industry Professionals Worldwide

Danfoss VLT® AQUA Drive FC 202 variable frequency drives are widely trusted by engineers and operators for efficient pump control, reliable performance and integration into water, wastewater and industrial automation systems.