131F7777 Danfoss VLT HVAC Drive 5.5KW/7.5HP 380-480VAC IP55

Why Choose the Danfoss 131F7777 VLT® HVAC Drive FC-102?

The Danfoss 131F7777 is a reliable and energy-efficient 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 dependable system operation.

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

With a rated output power of 5.5 kW and a three-phase 380–480 V AC supply, the Danfoss 131F7777 is ideal for medium-sized HVAC motor applications. Its IP55 / Type 12 backplate enclosure, integrated RFI Class A1/B (C1) filter, graphical local control panel and MCB-109 I/O with RTC back-up support practical integration into demanding HVAC installations.

Key Advantages

• Dedicated HVAC variable frequency drive for fans, pumps and refrigeration systems.
• 5.5 kW motor power rating suitable for commercial HVAC applications.
• Three-phase 380–480 V AC input for industrial and commercial power supplies.
• IP55 / Type 12 backplate enclosure for demanding installation environments.
• Integrated RFI Class A1/B (C1) filter to support EMC performance.
• Graphical local control panel for straightforward setup, monitoring and operation.
• Includes MCB-109 I/O with RTC back-up for extended control functionality.

Key Features

• Danfoss VLT® HVAC Drive FC-102 series.
• 5.5 kW rated output power.
• 7.5 HP equivalent motor rating.
• Three-phase 380–480 V AC input supply.
• IP55 / Type 12 backplate enclosure.
• RFI Class A1/B (C1) filter included.
• No brake chopper.
• Graphical local control panel.
• MCB-109 I/O with RTC back-up.
• Not coated PCB.
• No mains option.
• Frame size A5.

Technical Specifications

• Manufacturer: Danfoss
• Series: VLT® HVAC Drive FC-102
• Model: 131F7777
• Product code: FC-102P5K5T4P55H3XGXXXXSXXXXAXB0CXXXXDX
• Product type: AC variable frequency drive
• Rated output power: 5.5 kW
• Horsepower rating: 7.5 HP
• Input voltage: 380–480 V AC
• Input phases: 3-phase
• Output phases: Three phase
• Frequency: 50 / 60 Hz
• Protection rating: IP55 / Type 12 backplate
• RFI filter: Class A1/B (C1)
• Brake chopper: No
• Control panel: Graphical local control panel
• Option module: MCB-109 I/O with RTC back-up
• PCB coating: Not coated
• Mains option: No mains option
• Frame size: A5
• Dimensions (H × W × D): approx. 420 × 242 × 200 mm
• Weight: approx. 13.17 kg
• EAN: 5702427477575

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 actual demand, helping reduce wasted energy while improving airflow, pressure and temperature control.

The Danfoss 131F7777 is designed for practical integration into building services and industrial HVAC installations. Its dedicated HVAC control functions, integrated EMC filtering, graphical operator interface and I/O expansion capability help simplify commissioning while supporting stable, efficient and reliable motor operation.

Typical Applications

• Air handling units (AHUs).
• Commercial ventilation systems.
• HVAC fans and blowers.
• HVAC pump control systems.
• Heating and cooling systems.
• Refrigeration equipment.
• 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.