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134H6651 Danfoss VLT AQUA Drive FC-202 18.5 KW / 25 HP, 380 - 480 VAC, IP55
MPN: 134H6651
Alt. SKU: FC-202P18KT4P55H2TGXXXXSXXXXAXBXCXXXXDX
Special Price
£2,768.40
£2,307.00
Regular Price
£3,691.20
Why Choose the Danfoss 134H6651 VLT® AQUA Drive FC 202?
The Danfoss 134H6651 is a robust and application-specific VLT® AQUA Drive FC 202, designed for water, wastewater and industrial fluid handling systems. This advanced variable frequency drive (VFD) provides precise motor control, optimised energy efficiency and dependable performance in demanding environments.
Engineered for pump-focused applications, the AQUA Drive series includes intelligent features such as pressure regulation, flow optimisation and cascade pump control. These capabilities reduce energy consumption, minimise hydraulic stress and improve overall system reliability across critical infrastructure.
With a rated output power of 18.5 kW and compatibility with three-phase 380–480 V AC supply, the Danfoss 134H6651 is ideal for medium to heavy-duty pump systems, water treatment plants and industrial fluid applications requiring stable and efficient motor control.
Key Advantages
- Purpose-built AQUA drive for water and wastewater systems.
- 18.5 kW motor capacity for demanding pump applications.
- Three-phase 380–480 V AC input compatibility.
- Advanced energy optimisation reduces operating costs.
- Improves system reliability and reduces hydraulic stress.
- Designed for continuous industrial operation.
Key Features
- Danfoss VLT® AQUA Drive FC 202 series.
- 18.5 kW (25 HP) rated output power.
- Three-phase 380–480 V AC input supply.
- IP55 / Type 12 backplate enclosure for industrial environments.
- RFI Class A2 (C3) filter for EMC compliance.
- Integrated graphical local control panel (LCP).
- Safe Stop (STO) safety functionality.
- Compact B1 frame size for panel or wall mounting.
Technical Specifications
- Manufacturer: Danfoss
- Series: VLT® AQUA Drive FC 202
- Model: 134H6651
- Product type: AC variable frequency drive
- Rated output power: 18.5 kW (25 HP)
- Input voltage: 380–480 V AC
- Input phases: 3-phase
- Frequency: 50 / 60 Hz
- Protection rating: IP55 / Type 12
- Mounting type: Panel / wall mounting
- Frame size: B1
- RFI filter: Class A2 (C3)
- Brake function: Safe Stop (STO)
- PCB coating: Not coated
- Weight: approx. 21.7 kg
Optimised Pump Control for Water Systems
The VLT® AQUA Drive FC 202 regulates motor speed by adjusting output voltage and frequency, enabling precise control of pressure, flow and pump performance. This improves energy efficiency while reducing wear on mechanical components and extending system lifespan.
Its intelligent features such as Automatic Energy Optimisation and cascade control make it ideal for water treatment systems, irrigation and industrial processes where efficiency and reliability are critical.
Typical Applications
- Water and wastewater treatment systems.
- Booster pump and pressure control systems.
- Industrial fluid handling and processing.
- HVAC and building services.
- Irrigation and water distribution systems.
Frequently Asked Questions
What is the Danfoss 134H6651 used for?
This drive is designed for controlling pumps and motors in water and wastewater applications, ensuring efficient and stable system operation.
What motor power does this drive support?
It supports motors with a rated output power of 18.5 kW.
What supply voltage does it require?
The drive operates on a three-phase 380–480 V AC supply.
Is this drive suitable for industrial environments?
Yes, with its IP55 / Type 12 enclosure, it is designed for demanding industrial installations.
Does it include safety features?
Yes, it includes a Safe Stop (STO) function for safe motor shutdown.
Trusted by Water Industry Professionals
Danfoss VLT® AQUA Drives are widely trusted for delivering reliable, energy-efficient and application-specific motor control in water and wastewater systems worldwide.
| Manufacturer Part Number | 134H6651 |
|---|---|
| Barcode | 5710107717804 |
| Height | 494mm |
| Width | 243mm |
| Depth | 261mm |
| Filter | Filter Included |
| Degree of protection (IP) | IP55 |
| KW Rating | 18.5kW |
| VSD Range | Danfoss VLT AQUA Drive FC 202 |
| Manufacturer | Danfoss |
| Alternative Product SKU | FC-202P18KT4P55H2TGXXXXSXXXXAXBXCXXXXDX |
Write Your Own Review
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.
