131B8148 Danfoss VLT HVAC Drive 18.5KW/25HP 380-480VAC IP21

Why Choose the Danfoss 131B8148 VLT HVAC Drive?

The Danfoss 131B8148 is a reliable 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 reduce energy consumption, improve process control and minimise mechanical wear.

This drive is engineered for commercial and industrial building services where dependable HVAC motor control, safety functionality and EMC performance are essential. The FC 102 range includes intelligent HVAC functionality, flexible configuration options and efficient motor control features for modern building automation and energy management systems.

With a rated output power of 18.5 kW and a three-phase 380-480 V AC supply, the Danfoss 131B8148 is suitable for medium HVAC motor applications. Its IP21 / Type 1 enclosure, integrated Safe Stop function, graphical local control panel and RFI filtering make it a practical choice for protected indoor HVAC installations.

Key Advantages

• Purpose-built HVAC variable frequency drive for energy-efficient motor control.
• 18.5 kW motor power rating suitable for pumps, fans and compressors.
• Three-phase 380-480 V AC input for commercial and industrial installations.
• IP21 / Type 1 enclosure for protected indoor installation.
• Integrated Safe Stop functionality for improved operational safety.
• RFI Class A1/B (C1) filtering helps reduce electrical interference.
• Graphical local control panel for straightforward commissioning and operation.

Key Features

• Danfoss VLT® HVAC Drive FC 102 series.
• 18.5 kW rated output power.
• 25 HP motor rating.
• Three-phase 380-480 V AC input supply.
• IP21 / Type 1 enclosure.
• RFI Class A1/B (C1) integrated filter.
• Safe Stop functionality.
• Graphical Local Control Panel included.
• No A option and no B option.
• No C1 option and no D option.
• Not coated PCB.
• No mains option.
• Standard cable entries.
• Latest release standard software.

Technical Specifications

• Manufacturer: Danfoss
• Series: VLT® HVAC Drive FC 102
• Part Number: 131B8148
• Model Code: FC-102P18KT4E21H3TGXXXXSXXXXAXBXCXXXXDX
• Product type: AC variable frequency drive
• Rated output power: 18.5 kW
• Horsepower rating: 25 HP
• Input voltage: 380-480 V AC
• Input phases: Three-phase
• Protection rating: IP21 / Type 1
• RFI filter: Class A1/B (C1)
• Safety function: Safe Stop
• Control panel: Graphical Local Control Panel
• PCB coating: Not coated PCB
• Mains option: No mains option
• Frame size: B1
• Dimensions (H × W × D): approx. 494 × 243 × 261 mm
• Net weight: approx. 21.29 kg
• EAN: 5702427967717

Efficient 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 pump, fan or compressor output to system requirements, the drive helps reduce wasted energy, lower running costs and extend the service life of connected equipment.

The 131B8148 is particularly suited to protected indoor HVAC installations requiring reliable motor control, integrated EMC filtering and Safe Stop functionality. Its IP21 / Type 1 enclosure, graphical local control panel and FC 102 HVAC-specific features make it a strong choice for modern building services applications.

Typical Applications

• HVAC supply and extract fans.
• Air handling units and ventilation systems.
• Heating and chilled water circulation pumps.
• Commercial building services installations.
• Industrial HVAC and process ventilation systems.
• Building automation and control systems.
• Energy-efficient pump and fan control systems.

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 seamless integration into modern HVAC systems.