134L8831 Danfoss VLT HVAC Drive 4.0KW/5.5HP 380-480VAC IP66

Why Choose the Danfoss 134L8831 VLT HVAC Drive?

The Danfoss 134L8831 is a durable and energy-efficient AC variable frequency drive (VFD) from the Danfoss VLT® HVAC Drive FC 102 series, designed specifically for heating, ventilation and air conditioning applications. It provides precise motor speed control for pumps, fans and compressors, helping HVAC systems operate more efficiently while reducing energy consumption and mechanical stress.

This drive is engineered for demanding building services and industrial HVAC environments where reliable control and robust protection are essential. The FC 102 range includes intelligent HVAC functions, efficient motor control and flexible configuration options to support modern commercial and industrial installations.

With a rated output power of 4.0 kW and a three-phase 380-480 V AC supply, the Danfoss 134L8831 is suitable for small to medium HVAC motor applications. Its IP66 / NEMA 4X backplate enclosure, coated PCB and integrated mains disconnect make it ideal for wall-mounted installations in more demanding environments.

Key Advantages

• Purpose-built HVAC variable frequency drive for efficient motor speed control.
• 4.0 kW motor power rating suitable for pumps, fans and compressors.
• Three-phase 380-480 V AC input for commercial and industrial installations.
• IP66 / NEMA 4X backplate enclosure for enhanced environmental protection.
• Integrated mains disconnect for convenient electrical isolation.
• Coated PCB supports reliable operation in demanding environments.
• Graphical local control panel for simple commissioning and operation.

Key Features

• Danfoss VLT® HVAC Drive FC 102 series.
• 4.0 kW rated output power.
• 5.5 HP motor rating.
• Three-phase 380-480 V AC input supply.
• IP66 / NEMA 4X backplate enclosure.
• RFI Class A1/B (C1) integrated filter.
• No brake chopper configuration.
• Graphical Local Control Panel included.
• Coated PCB for enhanced environmental resistance.
• Mains disconnect included.
• No A option and no B option.
• No C1 option and no D option.
• Latest release standard software.

Technical Specifications

• Manufacturer: Danfoss
• Series: VLT® HVAC Drive FC 102
• Part Number: 134L8831
• Model Code: FC-102P4K0T4Y66H3XGC1XXSXXXXAXBXCXXXXDX
• Product type: AC variable frequency drive
• Rated output power: 4.0 kW
• Horsepower rating: 5.5 HP
• Input voltage: 380-480 V AC
• Input phases: Three-phase
• Protection rating: IP66 / NEMA 4X Backplate
• RFI filter: Class A1/B (C1)
• Brake chopper: No brake chopper
• Control panel: Graphical Local Control Panel
• PCB coating: Coated PCB
• Mains option: Mains disconnect
• Frame size: A4
• Dimensions (H × W × D): approx. 391 × 200 × 177 mm
• Weight: approx. 8.81 kg
• EAN: 5710107840526

Reliable Motor Control for HVAC Systems

The Danfoss VLT HVAC Drive FC 102 is designed to regulate motor speed according to actual HVAC demand. By matching fan, pump or compressor output to system requirements, the drive helps reduce wasted energy, lower operating costs and extend the service life of connected equipment.

The 134L8831 is particularly suited to HVAC installations requiring a high level of enclosure protection. Its IP66 / NEMA 4X backplate design, coated PCB and mains disconnect make it a practical choice for wall-mounted applications where reliability, accessibility and environmental resistance are important.

Typical Applications

• HVAC supply and extract fans.
• Air handling units and ventilation systems.
• Heating and chilled water pumps.
• Commercial building services installations.
• Industrial HVAC and process ventilation systems.
• Compressor and refrigeration control applications.
• Wall-mounted HVAC drive installations.

Trusted by HVAC Engineers Worldwide

Danfoss VLT® HVAC Drive FC 102 units are widely used by building services engineers, facility managers and automation specialists to deliver reliable motor control, energy-efficient operation and dependable performance in modern HVAC systems.