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131Z4451 Danfoss VLT AQUA Drive FC 200 18.5 KW / 25 HP, 380 - 480 VAC, IP55
MPN: 131Z4451
Alt. SKU: FC-202P18KT4E55H3XGXXXXSXXXXAXBPCXXXXDX
Why Choose the Danfoss 131Z4451 VLT® AQUA Drive FC-202?
The Danfoss 131Z4451 is a high-performance VLT® AQUA Drive FC-202 variable frequency drive (VFD) designed for water, wastewater and industrial fluid handling applications. As part of the advanced Danfoss VLT AQUA Drive series, it provides precise motor control, improved energy efficiency and long-term operational reliability.
Engineered for demanding industrial environments, this drive offers robust performance and efficient control of pumps and fans. Its integrated features help reduce energy consumption, minimise maintenance and optimise system performance in continuous-duty applications.
With a rated output power of 18.5 kW (25 HP) and a three-phase 380–480 V AC supply, the 131Z4451 is ideal for medium-duty industrial systems. It features a durable IP55 / Type 12 enclosure, making it suitable for installation in harsher environments without additional protection.
Key Advantages
- Designed for water and wastewater applications.
- 18.5 kW motor power rating for pump and fan systems.
- Three-phase 380–480 V AC input for industrial installations.
- IP55 / Type 12 enclosure for demanding environments.
- Integrated RFI filter (Class A1/B C1) for EMC compliance.
- Energy-efficient operation reduces lifecycle costs.
Key Features
- Danfoss VLT® AQUA Drive FC-202 series.
- 18.5 kW / 25 HP rated output power.
- Three-phase 380–480 V AC supply.
- IP55 / Type 12 enclosure.
- RFI filter Class A1/B (C1).
- No brake chopper configuration.
- Graphical local control panel (LCP) included.
- B1 frame size for industrial installations.
Technical Specifications
- Manufacturer: Danfoss
- Series: VLT® AQUA Drive FC-202
- Model: 131Z4451
- Product type: AC variable frequency drive
- Rated output power: 18.5 kW (25 HP)
- Input voltage: 380–480 V AC
- Input phases: 3-phase
- Enclosure rating: IP55 / Type 12
- Frame size: B1
- RFI filter: Class A1/B (C1)
- Brake chopper: Not included
- Control panel: Graphical local control panel
- PCB coating: Not coated
Optimised for Pump and Fluid Handling Systems
The Danfoss VLT® AQUA Drive is purpose-built for water and fluid handling applications, offering advanced motor control algorithms that improve efficiency, reduce energy consumption and extend equipment lifespan.
Its flexible integration capabilities and robust construction make it suitable for modern automation systems, ensuring reliable performance in infrastructure and industrial process control environments.
Typical Applications
- Water and wastewater treatment plants.
- Pump stations and booster systems.
- HVAC and ventilation systems.
- Industrial fluid handling processes.
- Municipal infrastructure installations.
- Energy-efficient motor control systems.
Frequently Asked Questions
What is the Danfoss 131Z4451 used for?
This drive is used for controlling the speed of three-phase motors in water, wastewater and industrial pump applications.
What motor power does this drive support?
The drive supports motors up to 18.5 kW (25 HP).
What supply voltage is required?
The 131Z4451 operates on a three-phase 380–480 V AC supply.
Is this drive suitable for harsh environments?
Yes, the IP55 / Type 12 enclosure provides protection against dust and moisture in industrial environments.
Does this drive include a brake chopper?
No, this configuration does not include a brake chopper.
Trusted in Water and Industrial Systems Worldwide
Danfoss VLT® AQUA Drives are trusted by engineers worldwide for delivering reliable, energy-efficient motor control in water and industrial applications.
| Manufacturer Part Number | 131Z4451 |
|---|---|
| Barcode | 5710107341061 |
| Filter | Filter Included |
| Degree of protection (IP) | IP55 |
| KW Rating | 18.5kW |
| VSD Range | Danfoss VLT AQUA Drive FC 200 |
| Manufacturer | Danfoss |
| Alternative Product SKU | FC-202P18KT4E55H3XGXXXXSXXXXAXBPCXXXXDX |
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.