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131F7638 Danfoss VLT FC-102 HVAC Drive 90 KW / 125 HP, 380 - 480 VAC, IP55
MPN: 131F7638
Alt. SKU: FC-102P90KT4E55H3XNXXXXSXXXXAXBXCXXXXDX
Why Choose the Danfoss 131F7638 VLT® HVAC Drive?
The Danfoss 131F7638 is a high-performance AC variable frequency drive (VFD) designed for precise motor control in heating, ventilation and air conditioning systems. As part of the proven Danfoss VLT® HVAC Drive FC 102 series, it is engineered to optimise large HVAC motors, reduce energy consumption and support reliable operation in commercial and industrial building services.
This drive combines dedicated HVAC functionality with robust power handling, making it suitable for large fans, pumps, air handling systems and building automation applications. Its application-specific features support efficient motor control, smooth operation and dependable performance across demanding HVAC installations.
With a rated output power of 90 kW / 125 HP and a three-phase 380–480 V AC supply, the Danfoss 131F7638 is ideal for larger HVAC systems requiring powerful and reliable speed control. The robust IP55 / Type 12 enclosure supports installation in challenging environments without always requiring an additional control cabinet.
Key Advantages
- Dedicated HVAC variable frequency drive for large building services applications.
- 90 kW / 125 HP motor power rating suitable for larger HVAC fans and pumps.
- Three-phase 380–480 V AC input for industrial and commercial systems.
- IP55 / Type 12 enclosure for robust installation environments.
- Integrated numerical local control panel for practical drive setup and operation.
- Energy-efficient motor control helps reduce operating costs and mechanical stress.
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.
- Numerical local control panel included.
- No brake chopper configuration.
- No mains option configuration.
- Not coated PCB with latest standard software.
- Frame size C2 for larger HVAC drive installations.
Technical Specifications
- Manufacturer: Danfoss
- Series: VLT® HVAC Drive FC 102
- Model: FC-102P90KT4E55H3XNXXXXSXXXXAXBXCXXXXDX
- SKU / MPN: 131F7638
- 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)
- Brake chopper: No brake chopper
- Control panel: Numerical local control panel
- PCB coating: Not coated PCB
- Mains option: No mains option
- Frame size: C2
Powerful 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 real operating 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 HVAC applications, offering dedicated control functions, dependable performance and flexible configuration options for modern building services. This makes the 131F7638 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 131F7638 used for?
The Danfoss 131F7638 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 131F7638 operates from a three-phase 380–480 V AC supply.
What control panel is included?
This configuration includes a numerical local control panel for drive setup, monitoring and operation.
What enclosure protection does this drive have?
The drive features an IP55 / Type 12 enclosure, making it suitable for robust HVAC 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 | 131F7638 |
|---|---|
| Barcode | 5710107464203 |
| Height | 780mm |
| Width | 370mm |
| Depth | 332mm |
| 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-102P90KT4E55H3XNXXXXSXXXXAXBXCXXXXDX |
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.