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131F8021 Danfoss VLT FC-102 HVAC Drive 90 KW / 125 HP, 380 - 480 VAC, IP55
MPN: 131F8021
Alt. SKU: FC-102P90KT4E55H3TGXXXXSXXXXAXBXCXXXXDX
Why Choose the Danfoss 131F8021 VLT® HVAC Drive?
The Danfoss 131F8021 is a powerful and dependable AC variable frequency drive (VFD) designed for precise motor control in heating, ventilation and air conditioning systems. As part of the trusted Danfoss VLT® HVAC Drive FC 102 series, it is engineered to optimise large HVAC motors, improve energy efficiency and support reliable operation in commercial and industrial building services.
This drive combines dedicated HVAC functionality with robust high-power performance, making it suitable for large fans, pumps, air handling units and ventilation systems. Its application-specific features help simplify commissioning, support repeatable setup and provide dependable motor control for demanding HVAC installations.
With a rated output power of 90 kW / 125 HP and a three-phase 380–480 V AC supply, the Danfoss 131F8021 is ideal for high-power HVAC applications requiring efficient and reliable speed control. The IP55 / Type 12 enclosure, graphical local control panel, Safe Stop functionality and RFI filtering make it well suited to robust plant room and industrial environments.
Key Advantages
- Dedicated HVAC variable frequency drive for large building services applications.
- 90 kW / 125 HP motor power rating suitable for high-power fans and pumps.
- Three-phase 380–480 V AC input for industrial and commercial systems.
- IP55 / Type 12 enclosure for robust installation environments.
- Integrated Safe Stop functionality for enhanced machine and system safety.
- Graphical local control panel for straightforward setup, monitoring and commissioning.
Key Features
- Danfoss VLT® HVAC Drive FC 102 series.
- 90 kW / 125 HP rated output power.
- Three-phase 380–480 V AC mains voltage.
- IP55 / Type 12 enclosure protection.
- RFI Class A1/B (C1) filter.
- Integrated Safe Stop function.
- Graphical local control panel included.
- No mains option configuration.
- No A option, no B option, no C1 option and no D option.
- Frame size C2 for larger HVAC drive installations.
Technical Specifications
- Manufacturer: Danfoss
- Series: VLT® HVAC Drive FC 102
- Model: FC-102P90KT4E55H3TGXXXXSXXXXAXBXCXXXXDX
- SKU / MPN: 131F8021
- Product type: AC variable frequency drive / frequency converter
- Rated output power: 90 kW / 125 HP
- Input voltage: 380–480 V AC
- Input phases: 3-phase
- Protection rating: IP55 / Type 12
- RFI filter: Class A1/B (C1)
- Safety function: Safe Stop
- Control panel: Graphical local control panel
- PCB coating: Not coated PCB
- Mains option: No mains option
- Frame size: C2
High-Power 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 systems to match motor output to actual demand, helping reduce energy waste, improve process control and lower mechanical stress on fans, pumps and compressors.
The FC 102 series is developed specifically for ventilation, heating and refrigeration applications, offering dedicated control functions, dependable performance and practical configuration options for modern building services. This makes the 131F8021 a strong choice for engineers, installers and facilities teams working with larger HVAC motor control systems.
Typical Applications
- Large HVAC fan and ventilation systems.
- Air handling units and building services equipment.
- Commercial and industrial pump systems.
- Heating, cooling and refrigeration plant motor control.
- Building management and automation systems.
- Energy-saving upgrades for high-power HVAC installations.
Frequently Asked Questions
What is the Danfoss 131F8021 used for?
The Danfoss 131F8021 is used to control the speed and performance of AC motors in large HVAC systems, including fans, pumps, air handling units and ventilation equipment.
What motor power does this drive support?
The drive is rated for motors with an output power of approximately 90 kW / 125 HP.
What supply voltage does the drive require?
The 131F8021 operates from a three-phase 380–480 V AC supply.
Does this drive include Safe Stop?
Yes, this configuration includes Safe Stop functionality for enhanced system and drive safety.
What enclosure protection does this drive have?
The drive features an IP55 / Type 12 enclosure, making it suitable for robust HVAC and plant room installation environments.
Trusted by HVAC and Building Automation Professionals
Danfoss VLT® HVAC drives are widely used by engineers, facilities teams and building automation specialists to improve motor control, reduce energy consumption and support reliable HVAC system performance.
| Manufacturer Part Number | 131F8021 |
|---|---|
| Barcode | 5702427480063 |
| Height | 770mm |
| Width | 370mm |
| Depth | 335mm |
| Filter | Filter Included |
| Input Phases | Three Phase |
| Degree of protection (IP) | IP55 |
| KW Rating | 90kW |
| Output Phases | Three phase |
| VSD Range | Danfoss VLT FC102 |
| Manufacturer | Danfoss |
| Alternative Product SKU | FC-102P90KT4E55H3TGXXXXSXXXXAXBXCXXXXDX |
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.