131F3646 Danfoss VLT FC-102 HVAC Drive 4.0 KW / 5.5 HP, 380 - 480 VAC, IP55

Why Choose the Danfoss 131F3646 VLT HVAC Drive FC-102?

The Danfoss 131F3646 is a compact and reliable AC variable frequency drive (VFD) from the Danfoss VLT HVAC Drive FC-102 series. Designed specifically for heating, ventilation, air conditioning and refrigeration applications, this drive provides precise motor speed control for HVAC motors used in fans, pumps and building services equipment.

The VLT HVAC Drive FC-102 range is engineered to improve energy efficiency, support dependable operation and simplify HVAC system control. Its dedicated HVAC functionality makes it suitable for plant rooms, mechanical services installations and replacement drive applications where accurate speed control is required.

With a rated output power of 4.0 kW / 5.0 HP and a three-phase 380–480 V AC supply, the Danfoss 131F3646 is ideal for small-to-medium HVAC motor applications. Its IP55 / Type 12 enclosure provides enhanced protection for commercial and industrial environments.

Key Advantages

• Dedicated HVAC variable frequency drive for fans, pumps and ventilation systems.
• 4.0 kW / 5.0 HP motor power rating for small-to-medium HVAC applications.
• Three-phase 380–480 V AC input suitable for commercial and industrial systems.
• IP55 / Type 12 enclosure for improved environmental protection.
• Integrated RFI Class A2 (C3) filter for EMC-conscious installations.
• Mains disconnect included for convenient isolation.

Key Features

• Danfoss VLT HVAC Drive FC-102 series.
• 4.0 kW rated output power.
• 5.0 HP motor rating.
• Three-phase 380–480 V AC input supply.
• IP55 / Type 12 enclosure rating.
• Integrated RFI Class A2 (C3) filter.
• Numerical local control panel.
• No brake chopper configuration.
• Not coated PCB.
• Mains disconnect included.
• Standard cable entries.

Technical Specifications

• Manufacturer: Danfoss
• Series: VLT HVAC Drive FC-102
• Model: FC-102P4K0T4E55H2XNX1XXSXXXXAXBXCXXXXDX
• Part number: 131F3646
• Product type: AC variable frequency drive
• Rated output power: 4.0 kW
• Horsepower rating: 5.0 HP
• Input voltage: 380–480 V AC
• Input phases: 3-phase
• Output phases: 3-phase
• Application: HVAC motor control
• Protection rating: IP55 / Type 12
• RFI filter: Class A2 (C3)
• Control panel: Numerical local control panel
• Brake chopper: Not included
• PCB coating: Not coated PCB
• Mains disconnect: Included
• A option: No A option
• B option: No B option
• C1 option: No C1 option
• D option: No D option
• Cable entries: Standard cable entries
• Software release: Latest release standard software

Efficient Motor Control for HVAC Systems

Variable frequency drives such as the Danfoss VLT HVAC Drive FC-102 regulate motor speed by adjusting output frequency and voltage. This allows HVAC equipment to respond accurately to demand, helping improve airflow, pressure and temperature control while reducing unnecessary energy use.

The Danfoss 131F3646 is designed for HVAC environments where reliability, efficiency and ease of operation are essential. Its IP55 enclosure, integrated RFI filtering, numerical control panel and mains disconnect make it a practical choice for building services engineers, facilities teams and industrial maintenance applications.

Typical Applications

• Air handling units and ventilation systems.
• HVAC fans and blowers.
• Heating and chilled water pumps.
• Commercial building automation systems.
• Refrigeration and cooling plant equipment.
• Industrial HVAC control panels.

Trusted by HVAC Engineers Worldwide

Danfoss VLT HVAC drives are widely used by building services engineers, facilities managers and automation specialists to deliver efficient, reliable motor control for heating, ventilation, air conditioning and refrigeration systems.