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131F3969 Danfoss VLT FC-102 HVAC Drive 55 KW / 75 HP, 380 - 480 VAC, IP55
MPN: 131F3969
Alt. SKU: FC-102P55KT4E55H3XGX1XXSXXXXA0BXCXXXXD0
Why Choose the Danfoss 131F3969 VLT HVAC Drive?
The Danfoss 131F3969 is a high-capacity AC variable frequency drive (VFD) from the Danfoss VLT HVAC Drive FC 102 series, designed for efficient motor control in heating, ventilation and air conditioning applications. It provides accurate speed regulation for three-phase motors used in large fans, pumps, compressors and building automation systems.
This drive is engineered to improve HVAC system performance while helping reduce energy consumption, mechanical stress and operating costs. The VLT HVAC Drive FC 102 platform includes dedicated HVAC functionality, intelligent control features and dependable motor protection for commercial buildings, plant rooms and industrial facilities.
With a rated output power of 55 kW / 75 HP and a three-phase 380–480 V AC supply, the Danfoss 131F3969 is suitable for demanding HVAC motor control applications. Its IP55 / Type 12 enclosure, integrated RFI Class A1/B (C1) filter, mains disconnect, PROFIBUS DP MCA 101 option and MCB-107 24 V DC backup make it a strong choice for advanced commercial and industrial installations.
Key Advantages
- Dedicated HVAC variable frequency drive for pumps, fans and compressors.
- 55 kW / 75 HP power rating for demanding HVAC motor control applications.
- Three-phase 380–480 V AC input suitable for commercial and industrial power systems.
- IP55 / Type 12 enclosure for protected installation environments.
- Integrated RFI Class A1/B (C1) filter for EMC-compliant installations.
- Mains disconnect included for improved isolation and maintenance safety.
- PROFIBUS DP MCA 101 communication option for automation network integration.
- MCB-107 24 V DC backup option for enhanced control power availability.
Key Features
- Danfoss VLT HVAC Drive FC 102 series.
- 55 kW rated output power.
- 75 HP motor rating.
- Three-phase 380–480 V AC mains voltage.
- IP55 / Type 12 enclosure rating.
- RFI Class A1/B (C1) filter.
- No brake chopper configuration.
- Graphical local control panel.
- Not coated PCB.
- Mains disconnect option included.
- PROFIBUS DP MCA 101 A option.
- MCB-107 24 V DC backup D option.
- C1 frame size for high-power HVAC installations.
Technical Specifications
- Manufacturer: Danfoss
- Series: VLT HVAC Drive FC 102
- Model: FC-102P55KT4E55H3XGX1XXSXXXXA0BXCXXXXD0
- SKU / MPN: 131F3969
- Product type: AC variable frequency drive / frequency converter
- Rated output power: 55 kW
- Horsepower rating: 75 HP
- Input voltage: 380–480 V AC
- Input phases: 3-phase
- Output phases: 3-phase
- Protection rating: IP55 / Type 12
- RFI filter: Class A1/B (C1)
- Brake chopper: No brake chopper
- Local control panel: Graphical local control panel
- Mains option: Mains disconnect
- A option: PROFIBUS DP MCA 101
- B option: No B option
- C1 option: No C1 option
- D option: MCB-107 24 V DC backup
- PCB coating: Not coated PCB
- Cable entries: Standard cable entries
- Software release: Latest release standard software
- Frame size: C1
Efficient HVAC Motor Control
Variable frequency drives such as the Danfoss VLT HVAC Drive FC 102 control motor speed by adjusting output voltage and frequency. This enables HVAC equipment to respond accurately to system demand, helping reduce energy use, minimise mechanical stress and improve overall operating efficiency.
The 131F3969 is designed for integration into building management and industrial automation environments. Its HVAC-specific control functions, PROFIBUS DP communication, mains disconnect and 24 V DC backup option make it a practical choice for reliable fan, pump and compressor control in demanding installations.
Typical Applications
- HVAC ventilation and extraction systems.
- Large air handling units and fan control.
- Commercial heating and cooling pumps.
- Chillers and refrigeration systems.
- Compressors and building services equipment.
- Building management systems.
- Industrial HVAC installations.
Frequently Asked Questions
What is the Danfoss 131F3969 used for?
The Danfoss 131F3969 is used to control the speed and performance of three-phase motors in HVAC systems, including large fans, pumps, compressors and building automation equipment.
What motor power is supported by this drive?
This drive supports motors with a rated output power of approximately 55 kW / 75 HP.
What supply voltage does the drive require?
The Danfoss 131F3969 operates from a three-phase 380–480 V AC supply.
Does this model include a mains disconnect?
Yes, the Danfoss 131F3969 includes a mains disconnect option for improved isolation and maintenance access.
What communication and backup options are included?
This model includes PROFIBUS DP MCA 101 communication and an MCB-107 24 V DC backup option.
Trusted by HVAC and Building Automation Professionals
Danfoss VLT HVAC drives are widely used by building services engineers, facilities teams and automation professionals to improve HVAC efficiency, reduce energy costs and deliver reliable motor control.
| Manufacturer Part Number | 131F3969 |
|---|---|
| Barcode | 5702427436664 |
| Height | 680mm |
| Width | 308mm |
| Depth | 310mm |
| Filter | Filter Included |
| Input Phases | Three Phase |
| Degree of protection (IP) | IP55 |
| KW Rating | 55kW |
| Output Phases | Three phase |
| VSD Range | Danfoss VLT FC102 |
| Manufacturer | Danfoss |
| Alternative Product SKU | FC-102P55KT4E55H3XGX1XXSXXXXA0BXCXXXXD0 |
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.
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For further information on this product please get in touch with our team or visit the Danfoss website.