We use cookies to make your experience better. To comply with the new e-Privacy directive, we need to ask for your consent to set the cookies. Learn more.
134F4544 Danfoss VLT AQUA Drive FC 200 400 KW / 550 HP, 380 - 480 VAC, IP54
MPN: 134F4544
Alt. SKU: FC-202P400T4E5MN2XGC7XXSXXXXAXBKCXXXXDX
Why Choose the Danfoss 134F4544 VLT Micro Drive FC 51?
The Danfoss 134F4544 VLT® Micro Drive FC 51 is a compact and highly capable AC variable frequency drive (VFD) designed for efficient control of three-phase motors in industrial applications. As part of the proven Danfoss VLT Micro Drive series, it delivers reliable performance, simple commissioning and energy-efficient motor operation.
Engineered for OEMs, panel builders and automation engineers, the FC 51 range combines intuitive setup with robust construction. Its compact “book-style” design allows side-by-side mounting, reducing panel space and lowering installation costs while maintaining high functionality and reliability.
With a rated output power of approximately 0.37 kW and compatibility with a three-phase 380–480 V AC supply, the 134F4544 is ideal for small motors used in pumps, fans, conveyors and light industrial machinery where precise and efficient speed control is required.
Key Advantages
- Compact variable frequency drive for small motor applications.
- 0.37 kW motor power rating for light-duty systems.
- Three-phase 380–480 V AC input compatibility.
- Fast installation and simple commissioning.
- Energy-efficient operation reduces running costs.
- Reliable Danfoss design for long service life.
Key Features
- Danfoss VLT® Micro Drive FC 51 series.
- 0.37 kW rated output power.
- Approx. 1.2 A output current.
- 380–480 V AC three-phase input supply.
- Integrated braking function for controlled stopping.
- Built-in RFI filter to minimise electromagnetic interference.
- Flexible digital and analogue I/O for system integration.
- Compact design for panel and cabinet mounting.
Technical Specifications
- Manufacturer: Danfoss
- Series: VLT® Micro Drive FC 51
- Model: 134F4544
- Product type: AC variable frequency drive
- Rated output power: 0.37 kW
- Rated output current: approx. 1.2 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
- Operating temperature: up to approx. 50 °C (derating may apply)
Compact Motor Control for Efficient Operation
The Danfoss VLT Micro Drive FC 51 regulates motor speed by adjusting output voltage and frequency, enabling smooth and precise operation. This reduces mechanical wear, improves efficiency and enhances process control across a wide range of applications.
Despite its small size, the drive offers advanced functionality and can be configured for complex tasks using guided programming tools, making it suitable for both standard and specialised automation requirements.
Typical Applications
- Small pumps and booster systems.
- Fans and ventilation equipment.
- Conveyors and light material handling systems.
- Packaging and processing machinery.
- HVAC and building services.
- General-purpose motor control.
Frequently Asked Questions
What is the Danfoss 134F4544 used for?
This drive is used to control the speed and torque of small three-phase AC motors in industrial and commercial applications.
What motor power does this drive support?
The drive is designed for motors rated at approximately 0.37 kW.
What supply voltage is required?
The unit operates on a three-phase 380–480 V AC supply.
Is it suitable for panel mounting?
Yes, it is designed for installation inside electrical control panels or cabinets.
Does it help improve energy efficiency?
Yes, by optimising motor speed and reducing energy consumption, it improves overall system efficiency.
Trusted by Engineers Worldwide
Danfoss VLT Micro Drives are trusted globally for delivering compact, efficient and reliable motor control solutions across a wide range of industrial applications.
| Manufacturer Part Number | 134F4544 |
|---|---|
| Barcode | 5710107443895 |
| Filter | Filter Included |
| Degree of protection (IP) | IP54 |
| KW Rating | 400kW |
| VSD Range | Danfoss VLT AQUA Drive FC 200 |
| Manufacturer | Danfoss |
| Alternative Product SKU | FC-202P400T4E5MN2XGC7XXSXXXXAXBKCXXXXDX |
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.
PC tools
VLT® Motion Control Tool MCT 10
VLT® Motion Control Tool MCT 31
Danfoss ecoSmart
Danfoss HCS (Harmonic Calculation Software)
Danfoss Servo Sizer
VLT® Energy Box
For further information on this product please get in touch with our team or visit the Danfoss website.