Danfoss 131L9871 VLT HVAC Drive FC-101 18.5kW Three Phase 380 - 480 VAC IP20

Why Choose the Danfoss 131L9871 VLT® HVAC Drive FC 101?

The Danfoss 131L9871 is a robust and energy-efficient VLT® HVAC Drive FC 101 designed for precise control of three-phase AC motors in demanding HVAC and industrial environments. Built by Danfoss, this variable frequency drive ensures reliable performance, optimised energy usage and long-term operational stability.

As part of the FC 101 series, this drive is specifically engineered for heating, ventilation and air conditioning applications. It offers simplified installation, strong protection features and dependable operation, making it ideal for building services engineers and OEM panel builders.

With a rated output power of 18.5 kW and support for a three-phase 380–480 V AC supply, the Danfoss 131L9871 is perfectly suited for medium to high-power motor control in fans, pumps and compressor systems.

Key Advantages

• High-performance variable frequency drive for HVAC systems.
• 18.5 kW motor control capability for industrial applications.
• Three-phase 380–480 V AC input compatibility.
• Optimised for fans, pumps and compressors.
• Integrated EMC filtering reduces installation complexity.
• Energy-efficient operation improves system performance and reduces costs.

Key Features

• Danfoss VLT® HVAC Drive FC 101 series.
• 18.5 kW rated output power.
• Approx. 37 A output current.
• Three-phase 380–480 V AC supply voltage.
• Integrated RFI Class A1 (C2) filter for EMC compliance.
• Coated PCB for improved durability.
• No built-in brake chopper or local control panel.
• Compact IP20 chassis (Frame H5) for panel mounting.

Technical Specifications

• Manufacturer: Danfoss
• Series: VLT® HVAC Drive FC 101
• Model: 131L9871
• Product type: AC variable frequency drive
• Rated output power: 18.5 kW
• Rated output current: approx. 37 A
• Input voltage: 380–480 V AC
• Input phases: 3-phase
• Output frequency: 0–400 Hz
• Protection rating: IP20 (chassis)
• Mounting type: Panel / cabinet mounting
• Frame size: H5
• Dimensions (H × W × D): approx. 334 × 150 × 255 mm
• Weight: approx. 9.5 kg

Optimised Motor Control for HVAC Systems

The Danfoss VLT® HVAC Drive FC 101 regulates motor speed by adjusting output frequency and voltage, enabling precise airflow and fluid control. This reduces energy consumption, minimises mechanical wear and extends equipment lifespan across HVAC systems.

Designed specifically for building services and industrial environments, it integrates seamlessly with automation systems and supports reliable operation in ventilation, cooling and pumping applications.

Typical Applications

• HVAC systems in commercial buildings.
• Air handling units and ventilation systems.
• Pump systems and chilled water plants.
• Industrial compressors and cooling systems.
• Process control and automation systems.
• OEM panel building and system integration.

Trusted in HVAC Systems Worldwide

Danfoss VLT® HVAC Drives are trusted by engineers and building services professionals for delivering efficient, reliable and scalable motor control in demanding HVAC environments.