131H1778 Danfoss VLT FC-102 HVAC Drive 7.5 KW / 10 HP, 380 - 480 VAC, IP66

Why Choose the Danfoss 131H1778 VLT FC-102 HVAC Drive?

The Danfoss 131H1778 is a robust and highly efficient VLT® HVAC Drive FC-102 frequency converter designed for precise motor speed control in heating, ventilation, air conditioning and refrigeration applications. As part of the trusted Danfoss VLT HVAC Drive FC-102 series, it is engineered to support reliable operation in commercial and industrial HVAC systems where energy efficiency, repeatable performance and dependable motor control are essential.

This drive provides advanced variable speed control for HVAC motors while helping reduce energy consumption, improve system comfort and minimise mechanical stress on connected equipment. The FC-102 range is purpose-built for HVAC applications and includes user-friendly controls, flexible configuration options and reliable integration with building automation and control systems.

With a rated output power of 7.5 kW / 10 HP and a three-phase 380–480 V AC supply, the Danfoss 131H1778 is ideal for larger HVAC fan, pump and ventilation applications. Its IP66 / NEMA 4X enclosure provides strong environmental protection, making it suitable for demanding installations where dust, water ingress and harsh operating conditions must be considered.

Key Advantages

• Dedicated variable frequency drive for HVAC applications.
• 7.5 kW / 10 HP motor power rating for larger fan, pump and ventilation systems.
• Three-phase 380–480 V AC input compatible with industrial and commercial power supplies.
• IP66 / NEMA 4X enclosure for enhanced environmental protection.
• Integrated RFI Class A1/B (C1) filter for improved electromagnetic compatibility.
• Graphical local control panel for simple setup, monitoring and operation.
• Mains disconnect included for convenient local isolation.

Key Features

• Danfoss VLT® HVAC Drive FC-102 series.
• 7.5 kW rated output power.
• 10 HP motor power rating.
• Three-phase 380–480 V AC supply.
• IP66 / NEMA 4X enclosure rating.
• RFI Class A1/B (C1) filter.
• No brake chopper configuration.
• Graphical local control panel included.
• Mains disconnect fitted.
• Frame size A5.

Technical Specifications

• Manufacturer: Danfoss
• Series: VLT® HVAC Drive FC-102
• Model: FC-102P7K5T4E66H1XGX1XXSXXXXAXBXCXXXXDX
• SKU / MPN: 131H1778
• Product type: HVAC variable frequency drive / frequency converter
• Rated output power: 7.5 kW
• Horsepower rating: 10 HP
• Input voltage: 380–480 V AC
• Input phases: 3-phase
• Enclosure rating: IP66 / NEMA 4X
• EMC / RFI filter: RFI Class A1/B (C1)
• Brake chopper: No brake chopper
• Control panel: Graphical local control panel
• PCB coating: Not coated PCB
• Disconnect: Mains disconnect
• Frame size: A5
• EAN: 5702427520073
• Net weight: approx. 13.01 kg
• Gross weight: approx. 13.626 kg
• Software: Latest release standard software

Reliable Motor Control for HVAC Systems

Variable frequency drives such as the Danfoss VLT FC-102 regulate motor speed by adjusting output voltage and frequency. This enables HVAC equipment to operate according to real system demand, helping reduce unnecessary energy use while improving comfort control and process stability.

The FC-102 HVAC drive range is designed for ventilation, heating and refrigeration applications. Its dedicated HVAC functionality, durable enclosure protection and intuitive graphical interface make it suitable for both new installations and like-for-like replacement projects in commercial and industrial environments.

Typical Applications

• Air handling units and ventilation systems.
• HVAC supply and extract fans.
• Heating and chilled water pumps.
• Refrigeration and cooling plant equipment.
• Building management and automation systems.
• Commercial and industrial climate control installations.

Trusted by HVAC Engineers Worldwide

Danfoss VLT HVAC drives are widely used by building services engineers, facilities teams and automation specialists to deliver reliable motor control, efficient operation and dependable performance in HVAC systems.