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131F2921 Danfoss VLT AQUA Drive FC 200 55 KW / 75 HP, 380 - 480 VAC, IP66
MPN: 131F2921
Alt. SKU: FC-202P55KT4E66H1XGXXXXSXXXXAXBXCXXXXDX
Why Choose the Danfoss 131F2921 VLT Micro Drive FC 51?
The Danfoss 131F2921 is a compact and high-performance VLT Micro Drive FC 51 variable frequency drive (VFD) designed for precise and energy-efficient control of three-phase AC motors in demanding industrial environments. As part of the proven FC 51 series, it delivers robust performance, long service life and reliable motor control.
Engineered for OEMs, panel builders and automation engineers, this drive offers intuitive commissioning, flexible parameter configuration and dependable operation. Its compact “book-style” design enables side-by-side mounting without derating, helping to maximise panel space and reduce installation costs.
With a rated output power of 22 kW and a three-phase 380–480 V AC supply, the 131F2921 is ideal for heavy-duty applications such as pumps, fans, conveyors and industrial machinery. The FC 51 series supports motors up to 22 kW, making it suitable for demanding automation systems.
Key Advantages
- Compact VLT Micro Drive FC 51 for high-performance motor control.
- 22 kW motor power rating for demanding industrial applications.
- Three-phase 380–480 V AC input compatible with industrial systems.
- Improves energy efficiency and reduces operating costs.
- Quick installation and simple commissioning.
- Reliable operation with coated electronics for harsh environments.
Key Features
- Danfoss VLT Micro Drive FC 51 series.
- 22 kW rated output power.
- Approx. 68 A nominal output current.
- Three-phase 380–480 V AC input supply.
- Integrated RFI filter for reduced electromagnetic interference.
- Coated PCBs ensure reliable operation in demanding environments.
- Guided programming via built-in control panel.
- Efficient thermal design supports operation up to 50 °C.
Technical Specifications
- Manufacturer: Danfoss
- Series: VLT Micro Drive FC 51
- Model: 131F2921
- Product type: AC variable frequency drive
- Rated output power: 22 kW
- Rated output current: approx. 68 A
- Input voltage: 380–480 V AC
- Input phases: 3-phase
- Frequency: 50 / 60 Hz
- Protection rating: IP20
- Mounting type: Panel / cabinet mounting
- Cooling method: Forced air cooling with heat sink
- Operating temperature: up to approx. 50 °C
- Motor compatibility: Three-phase asynchronous motors
Efficient Motor Control for Industrial Systems
The Danfoss FC 51 micro drive regulates motor speed by adjusting output frequency and voltage, enabling precise process control and improved energy efficiency. This reduces energy consumption and minimises mechanical wear on motors and driven equipment.
Integrated protection features such as short-circuit protection and overload protection ensure safe and reliable operation, even in demanding industrial environments.
Typical Applications
- Industrial pumps and water treatment systems.
- Fans and HVAC installations.
- Conveyors and material handling systems.
- Processing and manufacturing machinery.
- Packaging equipment.
- Heavy-duty OEM automation systems.
Frequently Asked Questions
What is the Danfoss 131F2921 used for?
This drive is used to control the speed and torque of three-phase AC motors in industrial automation and heavy-duty applications.
What motor power does this drive support?
The drive supports motors with a rated output power of approximately 22 kW.
What voltage supply does it require?
The 131F2921 operates on a three-phase 380–480 V AC supply.
Does it include protection features?
Yes, it includes overload, short-circuit and thermal motor protection for safe and reliable operation.
Where is this drive typically installed?
It is typically installed inside electrical control panels or machine cabinets.
Trusted by Engineers Worldwide
Danfoss VLT Micro Drives are widely trusted for delivering compact, efficient and reliable motor control solutions across demanding industrial environments.
| Manufacturer Part Number | 131F2921 |
|---|---|
| Barcode | 5702427425156 |
| Height | 685mm |
| Width | 308mm |
| Depth | 311mm |
| Filter | Filter Included |
| Degree of protection (IP) | IP66 |
| KW Rating | 55kW |
| VSD Range | Danfoss VLT AQUA Drive FC 200 |
| Manufacturer | Danfoss |
| Alternative Product SKU | FC-202P55KT4E66H1XGXXXXSXXXXAXBXCXXXXDX |
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.