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

Why Choose the Danfoss 131L9866 VLT® HVAC Basic Drive?

The Danfoss 131L9866 is a robust and efficient AC variable frequency drive (VFD) from the VLT® HVAC Basic Drive FC 101 series, designed for precise motor control in heating, ventilation and air conditioning systems. It provides stable speed regulation, improved energy efficiency and reliable operation across a wide range of HVAC applications.

Engineered for OEMs and system integrators, the FC 101 range offers essential HVAC functionality in a compact and durable design. With built-in EMC filtering, coated PCB protection and simple commissioning, it delivers dependable performance while reducing installation complexity and operating costs.

With a rated output power of 4.0 kW and a three-phase 380–480 V AC supply, the Danfoss 131L9866 is ideal for fans, pumps and compressor systems. Its IP20 chassis design allows easy installation inside electrical control panels.

Key Advantages

• Optimised for HVAC and building services applications.
• 4.0 kW motor power rating for medium-duty systems.
• Three-phase 380–480 V AC input for industrial compatibility.
• Compact design reduces panel space requirements.
• Energy-efficient operation lowers operating costs.
• Reliable performance with minimal maintenance.

Key Features

• Danfoss VLT® HVAC Basic Drive FC 101 series.
• 4.0 kW rated output power (5 HP).
• Approx. 9 A nominal output current.
• Three-phase input and output configuration.
• IP20 / chassis version for cabinet mounting.
• Integrated RFI filter (Class A1 / C2).
• Coated PCB for enhanced durability.
• No brake chopper for simplified system design.

Technical Specifications

• Manufacturer: Danfoss
• Series: VLT® HVAC Basic Drive FC 101
• Model: 131L9866
• Product type: AC variable frequency drive
• Rated output power: 4.0 kW (5 HP)
• Rated output current: approx. 9 A
• Input voltage: 380–480 V AC
• Input phases: 3-phase
• Output: 3-phase motor control
• Output frequency: 0–400 Hz
• Protection rating: IP20 (chassis)
• RFI filter: Class A1 (C2)
• Frame size: H2
• Weight: approx. 3.5–3.9 kg

Efficient HVAC Motor Control

The Danfoss VLT® HVAC Basic Drive regulates motor speed by adjusting output voltage and frequency, enabling efficient control of airflow and fluid systems. This improves system efficiency, reduces mechanical wear and extends equipment lifespan.

The FC 101 series is specifically optimised for fans, pumps and compressors, offering built-in functionality that can deliver significant energy savings and reduce installation costs.

Typical Applications

• HVAC fans and ventilation systems.
• Heating and cooling pumps.
• Air handling units (AHUs).
• Compressor systems.
• Building management systems.
• General-purpose HVAC motor control.

Trusted in HVAC Applications

Danfoss VLT® HVAC Basic Drives are trusted worldwide for delivering reliable, energy-efficient motor control in heating, ventilation and air conditioning systems.