134F4605 Danfoss VLT HVAC Drive 18.5KW/25HP 380-480VAC IP66

Why Choose the Danfoss 134F4605 VLT HVAC Drive FC 102?

The Danfoss 134F4605 is a powerful and energy-efficient AC variable frequency drive (VFD) from the Danfoss VLT HVAC Drive FC 102 series, designed for heating, ventilation, air conditioning and refrigeration applications. Built for demanding HVAC motor control, it delivers accurate speed regulation for larger pumps, fans and compressors while helping improve system efficiency and reduce energy consumption.

This drive combines robust Danfoss engineering with dedicated HVAC functionality, making it suitable for commercial buildings, industrial facilities, plant rooms and building services installations. The FC 102 platform includes intelligent control features, integrated application functions and a graphical local control panel to simplify commissioning, monitoring and operation.

With a rated output power of 18.5 kW / 25 HP and a three-phase 380-480 V AC supply, the Danfoss 134F4605 is ideal for higher-power HVAC motor applications. Its IP66 / NEMA 4X enclosure provides excellent environmental protection, allowing installation in demanding areas where dust, water and corrosion resistance are important.

Key Advantages

• Dedicated HVAC variable frequency drive for pumps, fans and compressors.
• 18.5 kW / 25 HP motor power rating for larger HVAC systems.
• Three-phase 380-480 V AC input for industrial and building services installations.
• IP66 / NEMA 4X enclosure for demanding environmental conditions.
• Integrated mains disconnect for convenient isolation and maintenance.
• RFI Class A1/B (C1) filtering for improved EMC performance.
• Energy-efficient speed control helps reduce operating costs and mechanical wear.

Key Features

• Danfoss VLT HVAC Drive FC 102 series.
• 18.5 kW / 25 HP rated output power.
• Three-phase 380-480 V AC input supply.
• IP66 / NEMA 4X protected enclosure.
• Integrated mains disconnect.
• RFI Class A1/B (C1) EMC filter.
• Graphical local control panel for easy set-up.
• No brake chopper configuration.
• Metric thread cable entry.
• Dedicated HVAC functions for ventilation, heating and refrigeration applications.

Technical Specifications

• Manufacturer: Danfoss
• Series: VLT HVAC Drive FC 102
• Part number: 134F4605
• Model code: FC-102P18KT4E66H1XGX1OXSXXXXAXBXCXXXXDX
• Product type: AC variable frequency drive
• Rated output power: 18.5 kW / 25 HP
• Input voltage: 380-480 V AC
• Input phases: 3-phase
• Protection rating: IP66 / NEMA 4X
• Frame size: B1
• RFI filter: Class A1/B (C1)
• Brake chopper: No brake chopper
• Control panel: Graphical local control panel
• PCB coating: Not coated PCB
• Adaptation: Metric thread cable entry
• Options: No A option, no B option, no C1 option, no D option
• Disconnect: Mains disconnect included

High-Performance HVAC Motor Control

The Danfoss VLT HVAC Drive FC 102 is designed to optimise motor speed according to real system demand. By matching fan, pump or compressor output to the required load, the drive helps reduce wasted energy, lower mechanical stress and support stable pressure, flow and temperature control.

Its integrated HVAC application features make it well suited to building services environments where reliability, efficiency and ease of operation are essential. The IP66 / NEMA 4X enclosure makes this model particularly suitable for installations exposed to harsh or washdown-prone conditions.

Typical Applications

• Large air handling units and ventilation systems.
• Supply and extract fans.
• Heating and chilled water pumps.
• Cooling tower fan control.
• Refrigeration and compressor systems.
• Plant room HVAC equipment.
• Commercial and industrial building management systems.

Trusted by HVAC Engineers Worldwide

Danfoss VLT HVAC Drive FC 102 drives are trusted by HVAC engineers, facilities managers and building services professionals for reliable, energy-efficient motor control in commercial and industrial environments.