131F6905 Danfoss VLT HVAC Drive 55KW/75HP 380-480VAC IP66

Why Choose the Danfoss 131F6905 VLT® HVAC Drive FC-102?

The Danfoss 131F6905 is a robust and high-performance AC variable frequency drive (VFD) from the Danfoss VLT® HVAC Drive FC-102 series, designed specifically for heating, ventilation, air conditioning and refrigeration applications. It provides precise motor speed control for HVAC equipment, helping improve energy efficiency, reduce mechanical stress and support reliable long-term operation.

The FC-102 HVAC drive range is engineered for demanding commercial and industrial building services, offering dedicated HVAC functionality, straightforward commissioning and dependable performance. Its intelligent control features make it well suited for fans, pumps, air handling units, cooling towers and refrigeration systems where efficient motor control is required.

With a rated output power of 55 kW and a three-phase 380–480 V AC supply, the Danfoss 131F6905 is ideal for high-power HVAC motor applications. Its IP66 / NEMA 4X enclosure, integrated RFI Class A1/B (C1) filter, graphical local control panel and mains disconnect support reliable operation in demanding plant room and industrial environments.

Key Advantages

• Dedicated HVAC variable frequency drive for fans, pumps and refrigeration systems.
• 55 kW motor power rating suitable for demanding commercial and industrial HVAC applications.
• Three-phase 380–480 V AC input for industrial power supplies.
• IP66 / NEMA 4X enclosure for harsh and demanding environments.
• Integrated RFI Class A1/B (C1) filter to support EMC performance.
• Mains disconnect included for convenient isolation.
• Graphical local control panel for straightforward setup, monitoring and operation.

Key Features

• Danfoss VLT® HVAC Drive FC-102 series.
• 55 kW rated output power.
• 75 HP equivalent motor rating.
• Three-phase 380–480 V AC input supply.
• IP66 / NEMA 4X protection rating.
• RFI Class A1/B (C1) filter included.
• No brake chopper.
• Graphical local control panel.
• Not coated PCB.
• Mains disconnect included.
• No A option, no B option, no C1 option and no D option.
• Frame size C1.

Technical Specifications

• Manufacturer: Danfoss
• Series: VLT® HVAC Drive FC-102
• Model: 131F6905
• Product code: FC-102P55KT4E66H3XGX1XXSXXXXAXBXCXXXXDX
• Product type: AC variable frequency drive
• Rated output power: 55 kW
• Horsepower rating: 75 HP
• Input voltage: 380–480 V AC
• Input phases: 3-phase
• Output phases: Three phase
• Frequency: 50 / 60 Hz
• Protection rating: IP66 / NEMA 4X
• RFI filter: Class A1/B (C1)
• Brake chopper: No
• Control panel: Graphical local control panel
• PCB coating: Not coated
• Mains option: Mains disconnect
• Frame size: C1
• Dimensions (H × W × D): approx. 685 × 308 × 311 mm
• Weight: approx. 42.41 kg
• EAN: 5710107114351

Efficient HVAC Motor Control

Variable frequency drives such as the Danfoss VLT® HVAC Drive FC-102 regulate motor speed by adjusting output voltage and frequency. This allows HVAC systems to match motor output to real demand, helping reduce wasted energy while improving airflow, pressure and temperature control.

The Danfoss 131F6905 is designed for practical integration into building services and industrial HVAC installations. Its dedicated HVAC control functions, integrated EMC filtering, robust enclosure, mains disconnect and graphical operator interface help simplify commissioning while supporting stable, efficient and reliable motor operation.

Typical Applications

• Large air handling units (AHUs).
• Commercial and industrial ventilation systems.
• High-power HVAC fans and blowers.
• HVAC pump control systems.
• Cooling towers.
• Refrigeration and compressor systems.
• Building management and automation systems.

Trusted by HVAC Engineers Worldwide

Danfoss VLT® HVAC drives are trusted by building services engineers, facilities teams and industrial automation specialists to deliver reliable motor control, efficient operation and long-term HVAC system performance.