131F9938 Danfoss VLT HVAC Drive 55KW/75HP 380-480VAC IP20

Why Choose the Danfoss 131F9938 VLT® HVAC Drive FC-102?

The Danfoss 131F9938 is a powerful and efficient VLT® HVAC Drive FC-102 variable frequency drive (VFD) designed for precise motor control in heating, ventilation, air conditioning and refrigeration systems. As part of the trusted Danfoss VLT® HVAC Drive FC-102 series, it is engineered to help improve energy efficiency, optimise HVAC performance and provide dependable operation in commercial and industrial environments.

This drive provides dedicated HVAC functionality for fans, pumps and compressors, allowing motor speed to be accurately matched to real system demand. Its robust FC-102 design, integrated RFI filtering and straightforward local control interface make it suitable for plant rooms, control panels and energy-saving retrofit projects.

With a rated output power of 55 kW (75 HP) and a three-phase 380-480 V AC supply, the Danfoss 131F9938 is ideal for demanding HVAC applications requiring reliable speed control. The IP20 / chassis enclosure is designed for installation inside electrical cabinets and protected control panel environments.

Key Advantages

• Dedicated HVAC variable frequency drive for fans, pumps and refrigeration systems.
• 55 kW (75 HP) motor power rating for larger building services applications.
• Three-phase 380-480 V AC input suitable for commercial and industrial power systems.
• IP20 / chassis enclosure for cabinet and control panel installation.
• Integrated RFI Class A1/B filter for EMC compliance.
• Numerical local control panel for setup, operation and monitoring.
• Energy-efficient motor control helps reduce running costs.
• Designed for reliable HVAC fan, pump and compressor control.

Key Features

• Danfoss VLT® HVAC Drive FC-102 series.
• 55 kW rated output power.
• 75 HP motor rating.
• Three-phase 380-480 V AC input supply.
• IP20 / chassis protection rating.
• Frame size C3.
• Integrated RFI Class A1/B filter.
• No brake chopper configuration.
• Numerical local control panel.
• No A option and no B option.
• Not coated PCB.
• No mains option.

Technical Specifications

• Manufacturer: Danfoss
• Series: VLT® HVAC Drive FC-102
• Part number: 131F9938
• Model: FC-102P55KT4E20H1XNXXXXSXXXXAXBXCXXXXDX
• Product type: Variable frequency drive
• Rated output power: 55 kW
• Horsepower rating: 75 HP
• Input voltage: 380-480 V AC
• Input phases: Three phase
• Application type: HVAC drive
• Protection rating: IP20 / chassis
• Frame size: C3
• RFI filter: Class A1/B
• Brake chopper: No
• Control panel: Numerical local control panel
• PCB coating: Not coated
• Mains option: No mains option
• Dimensions (H × W × D): approx. 550 × 308 × 333 mm
• Net weight: approx. 35.87 kg
• EAN: 5702427500464

Efficient Motor Control for HVAC Systems

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

The Danfoss VLT® HVAC Drive FC-102 series is designed with HVAC-specific control features for ventilation, heating, cooling and refrigeration applications. Its panel-mounted chassis format, EMC filtering and reliable power handling make it a strong choice for building services engineers, HVAC contractors and control panel manufacturers.

Typical Applications

• Large air handling units and ventilation systems.
• Commercial HVAC fan control.
• Heating and cooling circulation pumps.
• Chilled water and condenser pump systems.
• Refrigeration plant and compressor support systems.
• Building services control panels.
• Energy-saving HVAC retrofit projects.
• Commercial and industrial facilities.

Trusted by HVAC Engineers Worldwide

Danfoss VLT® HVAC Drives are widely used by building services engineers, HVAC contractors and facilities teams to deliver reliable motor control, reduced energy consumption and efficient system operation.