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.
131F1946 Danfoss VLT HVAC Drive 18.5KW/25HP 380-480VAC IP55
MPN: 131F1946
Alt. SKU: FC-102P18KT4P55H1XGXXXXSXXXXAGBXCXXXXDX
Special Price
£2,507.04
£2,089.20
Regular Price
£4,178.40
Why Choose the Danfoss 131F1946 VLT® HVAC Drive FC-102?
The Danfoss 131F1946 is a reliable and efficient VLT® HVAC Drive FC-102 variable frequency drive (VFD) designed for precise motor control in heating, ventilation, air conditioning and refrigeration applications. As part of the trusted Danfoss VLT® HVAC Drive FC-102 series, it is engineered to improve energy efficiency, optimise HVAC performance and provide dependable operation in commercial and industrial environments.
This drive provides dedicated HVAC functionality for fans, pumps and compressors, helping motor speed match real system demand. Its integrated RFI filtering, graphical local control panel and LonWorks communication option make it suitable for modern building automation, plant rooms and energy-saving retrofit projects.
With a rated output power of 18.5 kW (25 HP) and a three-phase 380-480 V AC supply, the Danfoss 131F1946 is ideal for medium to large HVAC motors used in ventilation, pumping and refrigeration systems. The IP55 / Type 12 enclosure provides enhanced protection for installation in demanding indoor environments.
Key Advantages
- Dedicated HVAC variable frequency drive for fans, pumps and refrigeration systems.
- 18.5 kW (25 HP) motor power rating for commercial HVAC applications.
- Three-phase 380-480 V AC input suitable for industrial and commercial power systems.
- IP55 / Type 12 enclosure for enhanced environmental protection.
- Integrated RFI Class A1/B (C1) filter for EMC compliance.
- LonWorks MCA 108 communication option for building automation integration.
- Graphical local control panel for easy commissioning and monitoring.
- Energy-efficient motor control helps reduce running costs.
Key Features
- Danfoss VLT® HVAC Drive FC-102 series.
- 18.5 kW rated output power.
- 25 HP motor rating.
- Three-phase 380-480 V AC input supply.
- IP55 / Type 12 protection rating.
- Frame size B1.
- Integrated RFI Class A1/B (C1) filter.
- No brake chopper configuration.
- LonWorks MCA 108 communication option.
- Graphical local control panel.
- Not coated PCB.
- No mains option.
Technical Specifications
- Manufacturer: Danfoss
- Series: VLT® HVAC Drive FC-102
- Part number: 131F1946
- Model: FC-102P18KT4P55H1XGXXXXSXXXXAGBXCXXXXDX
- Product type: Variable frequency drive
- Rated output power: 18.5 kW
- Horsepower rating: 25 HP
- Input voltage: 380-480 V AC
- Input phases: Three phase
- Application type: HVAC drive
- Protection rating: IP55 / Type 12
- Frame size: B1
- RFI filter: Class A1/B (C1)
- Brake chopper: No
- Communication option: LonWorks MCA 108
- Control panel: Graphical local control panel
- PCB coating: Not coated
- Mains option: No mains option
- Mounting type: Backplate mounting
- Net weight: approx. 23.5 kg
Efficient Motor Control for HVAC Systems
Variable frequency drives such as the Danfoss FC-102 regulate motor speed by adjusting output voltage and frequency. This allows HVAC equipment to operate according to real demand, reducing unnecessary energy consumption while improving comfort control, reliability and system performance.
The Danfoss VLT® HVAC Drive FC-102 series is designed with HVAC-specific functions for ventilation, heating, cooling and refrigeration applications. Its robust IP55 enclosure, EMC filtering and LonWorks communication option make it a strong choice for building services engineers, HVAC contractors and facilities teams.
Typical Applications
- Air handling units and ventilation systems.
- Commercial HVAC fan control.
- Heating and cooling circulation pumps.
- Chilled water and condenser pump systems.
- Refrigeration support systems.
- Building management system integration.
- Energy-saving HVAC retrofit projects.
- Commercial and industrial building services.
Frequently Asked Questions
What is the Danfoss 131F1946 used for?
The Danfoss 131F1946 is used to control AC motors in HVAC systems, including fans, pumps, ventilation equipment and refrigeration applications.
What motor power does this drive support?
This drive is rated for 18.5 kW (25 HP) motors.
What supply voltage does the Danfoss 131F1946 require?
The drive operates from a three-phase 380-480 V AC supply.
What enclosure rating does this model have?
The Danfoss 131F1946 has an IP55 / Type 12 enclosure, making it suitable for protected plant room and industrial HVAC environments.
Does this drive include LonWorks communication?
Yes, this configuration includes the LonWorks MCA 108 communication option for integration with building automation systems.
Trusted by HVAC Engineers Worldwide
Danfoss VLT® HVAC Drives are widely used by building services engineers, HVAC contractors and facilities teams to deliver reliable motor control, reduced energy consumption and efficient system operation.
| Manufacturer Part Number | 131F1946 |
|---|---|
| Barcode | 5702427414389 |
| Height | 480mm |
| Width | 242mm |
| Depth | 260mm |
| Filter | Filter Included |
| Input Phases | Three Phase |
| Degree of protection (IP) | IP55 |
| KW Rating | 18.5kW |
| Output Phases | Three phase |
| VSD Range | Danfoss VLT FC102 |
| Manufacturer | Danfoss |
| Alternative Product SKU | FC-102P18KT4P55H1XGXXXXSXXXXAGBXCXXXXDX |
Write Your Own Review
The VLT HVAC drive has built-in intelligence to give optimal process control to heating, ventilation and air conditioning (HVAC). It is simple to use and extremely cost-efficient, featuring a number of functions that are ideal for use with pumps, fans and compressors to save energy, meet environmental regulations and reduce costs in modern buildings.
The VLT HVAC drive has a compact, robust design and is ideally suited to locations where space is restricted. A selection of safety features, such as Safe Torque Off and Safe Maximum Speed, protect both applications and their operators.
Enclosures can be purchased separately, up to IP66, and an additional option available upon purchase is a unique coating to provide added protection for the circuit boards. Integrated DC chokes and RFI filters safeguard installations by minimizing harmonic distortion and electromagnetic.
Supply voltages and power range
3 x 200-240 V...1.1-45 kW
3 x 380-480 V...1.1 kW – 1 MW
3 x 525-600 V...1.1-90 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 380-480 V...250-200kW
Features and benefits
- There’s no need for external cooling or oversizing as the maximum ambient temperature is 50°C without derating
- PLC capacity is often unnecessary thanks to the Smart Logic Controller
- A low initial investment and easy upgrades are possible thanks to the modular concept with a wide range of options
- The need for external control and conversion equipment is avoided due to integrated pump, fan and compressor functionality
- 5–15% energy is saved as a result of the Automatic Energy Optimization function
- Less gateway solutions are needed thanks to a wide range of HVAC protocols for building management system controller connectivity
Applications
Pumps, fans, compressors.
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.
