Danfoss 131L9866 VLT HVAC Drive FC-101 4.0kW Three Phase 380 - 480 VAC IP20

Why Choose the Danfoss 131L9866 VLT HVAC Basic Drive FC-101?

The Danfoss 131L9866 is a compact and efficient AC variable frequency drive (VFD) from the Danfoss VLT® HVAC Basic Drive FC-101 series, designed for reliable motor control in heating, ventilation, air conditioning and simple compressor applications. It is ideal for OEMs, panel builders and facilities engineers who require dependable speed control with low overall cost of ownership.

This drive provides smooth and efficient motor regulation for fans, pumps and HVAC equipment. The FC-101 platform is engineered for simple installation, fast commissioning and dependable operation, helping improve system efficiency while reducing mechanical stress on driven equipment.

With a rated output power of 4.0 kW (5.0 HP) and a three-phase 380–480 V AC supply, the 131L9866 is suitable for medium HVAC motor applications where compact panel-mounted control is required. Its IP20 chassis enclosure, coated PCB and integrated RFI filtering make it a practical choice for control cabinets and building automation systems.

Key Advantages

• Compact variable frequency drive for HVAC applications.
• 4.0 kW / 5.0 HP motor power rating for fan and pump systems.
• Three-phase 380–480 V AC input for standard industrial supplies.
• IP20 chassis design suitable for control panel installation.
• RFI Class A1 (C2) filtering for EMC performance.
• Coated PCB for improved reliability in demanding environments.
• Efficient motor speed control helps reduce energy consumption and operating costs.

Key Features

• Danfoss VLT® HVAC Basic Drive FC-101 series.
• 4.0 kW / 5.0 HP rated output power.
• Approx. 9 A nominal output current.
• Three-phase 380–480 V AC input supply.
• IP20 chassis enclosure.
• RFI Class A1 (C2) integrated filter.
• Coated PCB construction.
• No brake chopper configuration.
• No local control panel fitted.
• Frame size H2 for panel mounting.

Technical Specifications

• Manufacturer: Danfoss
• Series: VLT® HVAC Basic Drive FC-101
• Model: 131L9866
• Model code: FC-101P4K0T4E20H4XXCXXXSXXXXAXBXCXXXXDX
• Product type: AC variable frequency drive / frequency converter
• Rated output power: 4.0 kW
• Horsepower rating: 5.0 HP
• Rated output current: approx. 9 A
• Input voltage: 380–480 V AC
• Input phases: Three phase
• Output frequency: 0–400 Hz
• Protection rating: IP20
• Mounting type: Chassis / panel mounting
• RFI filter: Class A1 (C2)
• PCB coating: Coated PCB
• Brake chopper: Not included
• Local control panel: Not included
• Frame size: H2
• Net weight: approx. 3.5 kg
• Gross weight: approx. 3.97 kg

Reliable Motor Control for HVAC Systems

Variable frequency drives such as the Danfoss FC-101 regulate motor speed by adjusting output voltage and frequency. This allows HVAC systems to match motor performance to actual demand, reducing unnecessary energy use and improving overall system efficiency.

The Danfoss 131L9866 is well suited to fans, pumps and compressor-related applications where reliable speed control, compact size and straightforward integration into control panels are important.

Typical Applications

• HVAC fan speed control.
• Pump systems.
• Ventilation and air handling equipment.
• Simple compressor applications.
• Building management systems.
• Control panels and OEM machinery.

Trusted by HVAC Engineers Worldwide

Danfoss VLT® HVAC drives are widely used by building services engineers, OEMs and maintenance teams to deliver reliable motor control, efficient operation and dependable HVAC system performance.