131B1271-11 KW / 15 HP, 380 - 480 VAC, IP21 / Type 1,RFI Class A2 (C3), No brake chopper, No Mains OptionNo A Option, No B Option, Not Coated PCB

131B4975-15 KW / 20 HP, 380 – 480 VAC, IP21 / Type 1,RFI Class A2 (C3), No brake chopper, No Mains OptionNo A Option, No B Option, Not Coated PCB

Danfoss 131B4975 VLT HVAC Drive FC 102, a 15 kW three phase AC variable speed drive designed for HVAC motor control, fans, pumps, compressors and refrigeration systems.

SKU: 131B4975Alt SKU: FC-102P15KT4E21H2XGXXXXSXXXXAXBXCXXXXDXMPN: 131B4975
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Manufacturer Lead Time

£1,908.00

Why Choose the Danfoss 131B4975 VLT® HVAC Drive FC 102?

The Danfoss 131B4975 is a reliable and energy-efficient AC variable speed drive (VSD) designed for precise motor control in heating, ventilation and air conditioning applications. As part of the proven Danfoss VLT® HVAC Drive FC 102 series, it is developed for HVAC systems requiring dependable speed regulation, efficient operation and straightforward integration into commercial and industrial building services.

This drive provides intelligent motor control for fans, pumps, compressors, refrigeration equipment and air handling systems. The FC 102 platform helps optimise system performance by matching motor speed to real demand, reducing unnecessary energy consumption and improving long-term equipment reliability.

With a rated output power of 15 kW / 20 HP and a three-phase 380–480 V AC supply, the Danfoss 131B4975 is well suited to medium and larger HVAC motor control applications. Its IP21 / Type 1 enclosure, integrated RFI Class A2 (C3) filter and graphical local control panel make it a practical choice for panel and plant room installations.

Key Advantages

  • Dedicated variable speed drive for HVAC applications.
  • 15 kW / 20 HP motor power rating suitable for pumps, fans and compressors.
  • Three-phase 380–480 V AC input compatible with commercial and industrial power systems.
  • IP21 / Type 1 enclosure for protected indoor installation.
  • Integrated RFI Class A2 (C3) filter for improved EMC performance.
  • Graphical Local Control Panel supports easier commissioning, monitoring and operation.

Key Features

  • Danfoss VLT® HVAC Drive FC 102 series.
  • 15 kW / 20 HP rated output power.
  • 32 A continuous current rating.
  • Three-phase 380–480 V AC input supply.
  • IP21 / Type 1 protection rating.
  • Integrated RFI Class A2 (C3) filter.
  • Graphical Local Control Panel for intuitive setup.
  • B1 frame design for HVAC plant and building services installations.

Reliable Motor Control for HVAC Systems

Variable speed drives such as the Danfoss VLT® HVAC Drive FC 102 regulate motor speed by adjusting output frequency and voltage. This allows HVAC systems to operate according to actual demand, helping reduce energy use, lower operating costs and minimise wear on motors and mechanical components.

The FC 102 series is designed for HVAC engineers, facilities teams and building services contractors who require reliable speed control for pumps, fans and compressors. Its HVAC-focused functionality, integrated EMC filtering and user-friendly control interface make it suitable for both new installations and replacement drive projects.

Typical Applications

  • Air handling units and ventilation systems.
  • Commercial and industrial pump control.
  • Fan speed control in HVAC plant rooms.
  • Compressors and refrigeration systems.
  • Cooling towers and chilled water systems.
  • Building management systems and energy-saving HVAC installations.

Technical Specifications

Power 15 kW
Voltage 480 V
Phase Three Phase
IP Rating IP21
Series VLT® HVAC Drive FC 102
Model code FC-102P15KT4E21H2XGXXXXSXXXXAXBXCXXXXDX
Product type AC variable speed drive / frequency converter
Rated output power 15 kW / 20 HP
Continuous current 32 A
Input voltage 380–480 V AC
Input phases 3-phase
Frequency 50 / 60 Hz
Protection rating IP21 / Type 1
RFI filter Class A2 (C3)
Brake chopper No brake chopper
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
Weight approx. 19.69 kg
EMC Filter Industrial

Frequently Asked Questions

What is the Danfoss 131B4975 used for?

This drive is used to control the speed of AC motors in HVAC systems, including fans, pumps, compressors, refrigeration equipment and ventilation systems.

What motor power is supported by this drive?

The drive supports motors with a rated output power of approximately 15 kW / 20 HP.

What supply voltage does the drive require?

The Danfoss 131B4975 operates from a three-phase 380–480 V AC supply.

What enclosure rating does this drive have?

This model has an IP21 / Type 1 enclosure rating, making it suitable for protected indoor HVAC and panel installations.

Does the Danfoss 131B4975 include a brake chopper?

No, this model is supplied with no brake chopper.

Trusted by HVAC Engineers Worldwide

Danfoss VLT® HVAC Drives are widely used by building services engineers, facilities teams and HVAC specialists to deliver efficient motor control, reliable operation and reduced energy consumption across commercial and industrial systems.

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