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134N7891 Danfoss VLT AQUA Drive FC 200 75 KW / 100 HP, 380 - 480 VAC, IP20
MPN: 134N7891
Alt. SKU: FC-202P75KT4E20H1XXXXXXSXXXXA4BKCXXXXDX
Why Choose the Danfoss 134N7891 VLT® AQUA Drive FC 202?
The Danfoss 134N7891 is a high-power VLT® AQUA Drive FC 202 variable frequency drive (VFD) engineered for demanding water, wastewater and industrial fluid handling applications. Designed for maximum efficiency and durability, it delivers precise motor control while reducing energy consumption and total cost of ownership.
As part of the VLT® AQUA Drive series, this model includes advanced pump-specific features such as cascade control, dry-run protection and intelligent monitoring. These capabilities ensure stable system performance, minimise downtime and optimise energy usage across large-scale installations.
With a rated output power of 75 kW and a three-phase 380–480 V AC supply, the 134N7891 is ideally suited for high-capacity pumping systems, water treatment plants and industrial processes requiring continuous, heavy-duty operation.
Key Advantages
- Purpose-built AQUA drive for water and wastewater systems.
- 75 kW motor power rating for large-scale applications.
- Three-phase 380–480 V AC input for industrial environments.
- Optimised pump control reduces energy consumption.
- Advanced protection features improve system reliability and uptime.
- Designed for continuous-duty operation in demanding environments.
Key Features
- Danfoss VLT® AQUA Drive FC 202 series.
- 75 kW rated output power (100 HP).
- Three-phase 380–480 V AC input supply.
- IP20 chassis enclosure for panel mounting.
- RFI filter class A1/B (C1) for EMC compliance.
- Advanced pump control including cascade and dry-run protection.
- Support for industrial communication modules (e.g. DeviceNet).
- Robust construction for long-term industrial use.
Technical Specifications
- Manufacturer: Danfoss
- Series: VLT® AQUA Drive FC 202
- Model: 134N7891
- Product type: AC variable frequency drive
- Rated output power: 75 kW
- Horsepower: 100 HP
- Input voltage: 380–480 V AC
- Input phases: 3-phase
- Protection rating: IP20 (chassis)
- Frame size: C4
- Cooling method: Forced air cooling
- Gross weight: approx. 53 kg
High-Capacity Pump Control for Critical Infrastructure
The Danfoss VLT® AQUA Drive FC 202 is designed to regulate motor speed based on system demand, ensuring efficient fluid movement and pressure stability. This reduces energy consumption, improves system efficiency and extends the lifespan of pumps and associated equipment.
Its advanced control algorithms and built-in protection features make it ideal for critical infrastructure applications where reliability and performance are essential.
Typical Applications
- Large water and wastewater treatment plants.
- High-capacity booster and distribution pumping systems.
- Industrial fluid handling and processing systems.
- Cooling water circulation systems.
- Irrigation and agricultural infrastructure.
- Municipal utilities and large-scale infrastructure projects.
Frequently Asked Questions
What is the Danfoss 134N7891 used for?
This drive is designed for controlling high-power pumps and motors in water and wastewater systems and industrial fluid applications.
What motor power does this drive support?
The drive supports motors with a rated output power of approximately 75 kW (100 HP).
What supply voltage does it require?
The 134N7891 operates from a three-phase 380–480 V AC supply.
Does it include pump-specific features?
Yes, it includes advanced functions such as cascade control, dry-run protection and system monitoring.
Is it suitable for heavy-duty applications?
Yes, it is designed for continuous-duty operation in large-scale industrial and infrastructure systems.
Trusted by Water Industry Engineers
Danfoss VLT® AQUA Drives are widely trusted in water and wastewater industries for delivering reliable, energy-efficient motor control and reducing total cost of ownership.
| Manufacturer Part Number | 134N7891 |
|---|---|
| Barcode | 5710107931927 |
| Height | 660mm |
| Width | 370mm |
| Depth | 333mm |
| Filter | Filter Included |
| Degree of protection (IP) | IP20 |
| KW Rating | 75kW |
| VSD Range | Danfoss VLT AQUA Drive FC 200 |
| Manufacturer | Danfoss |
| Alternative Product SKU | FC-202P75KT4E20H1XXXXXXSXXXXA4BKCXXXXDX |
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.