131U5081 Danfoss VLT FC-102 HVAC Drive 3.0 KW / 4.0 HP, 380 - 480 VAC, IP55

Why Choose the Danfoss 131U5081 VLT® HVAC Drive FC-102?

The Danfoss 131U5081 is a compact and reliable variable frequency drive (VFD) designed for precise speed control of three-phase motors in heating, ventilation, air conditioning and refrigeration systems. As part of the trusted Danfoss VLT® HVAC Drive FC-102 series, it is engineered to improve energy efficiency, optimise motor performance and support dependable operation in commercial and industrial HVAC applications.

This drive helps HVAC equipment operate according to real system demand by adjusting motor speed instead of relying on fixed-speed operation. The FC-102 platform provides dedicated HVAC functionality, robust construction and flexible integration with building automation systems, making it suitable for new installations, upgrades and replacement drive applications.

With a rated output power of 3.0 kW / 4.0 HP and a three-phase 380–480 V AC supply, the Danfoss 131U5081 is ideal for fans, pumps, compressors and ventilation equipment. Its IP55 / Type 12 enclosure, RFI Class A1/B (C1) filter, graphical local control panel and mains disconnect support reliable installation, commissioning and operation in demanding HVAC environments.

Key Advantages

• Dedicated HVAC variable frequency drive for fans, pumps and compressors.
• 3.0 kW / 4.0 HP motor power rating for commercial HVAC motor control applications.
• Three-phase 380–480 V AC input compatible with industrial and commercial power systems.
• IP55 / Type 12 enclosure for enhanced environmental protection.
• Integrated RFI Class A1/B (C1) filter for improved electromagnetic compatibility.
• Graphical local control panel and mains disconnect for practical setup and maintenance.

Key Features

• Danfoss VLT® HVAC Drive FC-102 series.
• 3.0 kW / 4.0 HP rated output power.
• 7.2 A continuous current rating.
• Three-phase 380–480 V AC mains voltage.
• IP55 / Type 12 enclosure protection.
• Integrated H1 RFI Class A1/B (C1) filter.
• No brake chopper configuration.
• Graphical local control panel included.
• Not coated PCB.
• Mains disconnect fitted.
• Metric thread cable entry adaptation.
• Frame size A4.

Technical Specifications

• Manufacturer: Danfoss
• Series: VLT® HVAC Drive FC-102
• Model: FC-102P3K0T4Z55H1XGX1OXSXXXXAXBXCXXXXDX
• SKU: 131U5081
• Product type: Frequency converter / HVAC variable speed drive
• Rated output power: 3.0 kW / 4.0 HP
• Continuous current: 7.2 A
• Intermittent current: 7.92 A
• Input voltage: 380–480 V AC
• Input phases: Three phase
• Apparent power: 4.99 kVA
• Protection rating: IP55 / Type 12
• RFI filter: H1 RFI Class A1/B (C1)
• Brake chopper: No brake chopper
• Control panel: Graphical local control panel
• PCB coating: Not coated PCB
• Mains option: Mains disconnect
• Cable entry: Metric thread cable entry
• Frame size: A4
• Software: Latest standard software release

Reliable Motor Control for HVAC Systems

Variable frequency drives such as the Danfoss VLT® HVAC Drive FC-102 regulate motor speed by adjusting output voltage and frequency. This allows HVAC equipment to match output to system demand, helping reduce energy use, mechanical stress and unnecessary wear.

The FC-102 series is purpose-built for heating, ventilation, air conditioning and refrigeration applications. Its dedicated HVAC functions support stable control of fans, pumps and compressors while helping improve system reliability and reduce operating costs.

Typical Applications

• Ventilation and extraction systems.
• Air handling units.
• Heating and cooling circulation pumps.
• Compressors and refrigeration systems.
• Commercial HVAC installations.
• Building management and automation systems.

Trusted by HVAC Engineers Worldwide

Danfoss VLT® HVAC Drive FC-102 frequency converters are widely used by HVAC engineers, contractors and building services professionals to deliver efficient motor control, reliable operation and reduced energy consumption in modern buildings.