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.
131N2977 Danfoss VLT FC-102 HVAC Drive 75 KW / 100 HP, 380 - 480 VAC, IP20
MPN: 131N2977
Alt. SKU: FC-102P75KT4E20H3TXXXXXSXXXXAXBXCXXXXDX
Special Price
£5,901.12
£4,917.60
Regular Price
£9,835.20
Why Choose the Danfoss 131N2977 VLT® HVAC Drive FC-102?
The Danfoss 131N2977 is a high-power AC variable frequency drive (VFD) designed for efficient motor speed control in heating, ventilation, air conditioning and refrigeration systems. As part of the proven Danfoss VLT® HVAC Drive FC-102 series, it is engineered for demanding HVAC installations where dependable operation, energy efficiency and precise process control are essential.
This drive is purpose-built for HVAC applications, helping optimise the operation of fans, pumps, compressors and ventilation equipment. By matching motor speed to system demand, the FC-102 series can reduce energy consumption, improve system stability and lower mechanical stress across connected equipment.
With a rated output power of 75 kW / 100 HP and a three-phase 380–480 V AC supply, the Danfoss 131N2977 is ideal for larger commercial and industrial HVAC motor control applications. Its IP20 / chassis enclosure is suitable for protected indoor and cabinet-based installations.
Key Advantages
- High-power variable frequency drive for HVAC applications.
- 75 kW / 100 HP motor power rating for larger fans, pumps and ventilation systems.
- Three-phase 380–480 V AC input suitable for industrial and commercial supplies.
- IP20 / chassis enclosure for protected indoor or panel-based installations.
- Integrated RFI Class A1/B (C1) filtering for EMC performance.
- Safe Stop functionality included for machine and system safety.
Key Features
- Danfoss VLT® HVAC Drive FC-102 series.
- 75 kW / 100 HP rated output power.
- 130–147 A continuous output current.
- Three-phase 380–480 V AC input supply.
- IP20 / chassis enclosure protection.
- Frame size C4.
- RFI Class A1/B (C1) EMC filter.
- Safe Stop included.
- No local control panel fitted.
- No mains option included.
- Standard cable entries and latest standard software.
Technical Specifications
- Manufacturer: Danfoss
- Series: VLT® HVAC Drive FC-102
- Model: FC-102P75KT4E20H3TXXXXXSXXXXAXBXCXXXXDX
- SKU / Code number: 131N2977
- Product type: AC variable frequency drive
- Rated output power: 75 kW / 100 HP
- Power 110% normal overload: 75 kW
- Continuous output current: 130–147 A
- Intermittent output current: 143–162 A
- kVA rating: 102 kVA
- Power loss: 1384 W
- Input voltage: 380–480 V AC
- Input phases: 3-phase
- Output phases: 3-phase
- Frequency: 50 / 60 Hz
- Protection rating: IP20 / chassis
- Mounting type: Cabinet / panel mounting
- Frame size: C4
- RFI filter: Class A1/B (C1)
- Brake / safety function: Safe Stop
- Local control panel: No local control panel
- PCB coating: Not coated
- Mains option: No mains option
- A option: No A option
- B option: No B option
- C1 option: No C1 option
- D option: No D option
- Cable entry: Standard cable entries
- Software: Latest release standard software
- EAN: 5702427839076
- Dimensions (H × W × D): approx. 660 × 370 × 333 mm
- Net weight: approx. 49.8 kg
- Gross weight: approx. 52.89 kg
Reliable High-Power Motor Control for HVAC Systems
Variable frequency drives such as the Danfoss 131N2977 regulate motor speed by adjusting output voltage and frequency. This enables HVAC equipment to operate according to real load demand, helping reduce unnecessary energy use while improving system control and equipment lifetime.
The FC-102 series is designed specifically for ventilation, heating, air conditioning and refrigeration applications. Its HVAC-focused functions, EMC filtering, Safe Stop capability and robust chassis design make it a practical choice for larger building services and industrial plant environments.
Typical Applications
- Large air handling units and ventilation systems.
- HVAC fan speed control.
- Chilled water and condenser pumps.
- Cooling towers and refrigeration systems.
- Commercial building services.
- Industrial heating, cooling and process air systems.
Frequently Asked Questions
What is the Danfoss 131N2977 used for?
The Danfoss 131N2977 is used to control the speed and torque of three-phase AC motors in HVAC systems, including larger fans, pumps, ventilation units and refrigeration equipment.
What motor power does this drive support?
This drive supports motors with a rated output power of approximately 75 kW / 100 HP.
What supply voltage does the drive require?
The Danfoss 131N2977 operates from a three-phase 380–480 V AC supply.
What enclosure rating does this model have?
This model has an IP20 / chassis enclosure, making it suitable for protected indoor or cabinet-based installations.
Does the Danfoss 131N2977 include Safe Stop?
Yes, this configuration includes Safe Stop functionality.
Trusted by HVAC Engineers Worldwide
Danfoss VLT® HVAC Drive FC-102 units are widely used by building services engineers, HVAC contractors and industrial facilities to deliver reliable motor control, improved energy efficiency and long-term system performance.
| Manufacturer Part Number | 131N2977 |
|---|---|
| Barcode | 5702427839076 |
| Height | 660mm |
| Width | 370mm |
| Depth | 333mm |
| Filter | Filter Included |
| Input Phases | Three Phase |
| Degree of protection (IP) | IP20 |
| KW Rating | 75kW |
| Output Phases | Three phase |
| VSD Range | Danfoss VLT FC102 |
| Manufacturer | Danfoss |
| Alternative Product SKU | FC-102P75KT4E20H3TXXXXXSXXXXAXBXCXXXXDX |
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.
