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

135U8258 Danfoss VLT HVAC Drive 11KW/15HP 380-480VAC IP55

Danfoss 135U8258 VLT HVAC Drive FC-102, an 11 kW three-phase AC variable frequency drive designed for HVAC motor control, building automation and energy-efficient pump, fan and compressor operation.

SKU: 135U8258Alt SKU: FC-102P11KT4E55H2XGX1OXSXXXXAKBXCXXXXDXMPN: 135U8258
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Manufacturer Lead Time

£2,019.20

Why Choose the Danfoss 135U8258 VLT® HVAC Drive FC-102?

The Danfoss 135U8258 is a powerful and efficient AC variable frequency drive (VFD) from the Danfoss VLT® HVAC Drive FC-102 series, designed for reliable motor control in heating, ventilation and air conditioning applications. Built for commercial and industrial building services, it provides precise speed regulation for pumps, fans, compressors and air handling equipment.

This drive combines dedicated HVAC functionality with robust construction, intelligent control features and building automation connectivity. The FC-102 range is engineered to reduce energy consumption, improve system reliability and support straightforward commissioning in modern HVAC installations.

With a rated output power of 11 kW and a three-phase 380-480 V AC supply, the Danfoss 135U8258 is suitable for demanding HVAC motor applications. Its IP55 / Type 12 enclosure provides enhanced protection for plant rooms and industrial environments.

Key Advantages

  • Dedicated HVAC variable frequency drive for pumps, fans and compressors.
  • 11 kW motor power rating for commercial and industrial HVAC systems.
  • Three-phase 380-480 V AC input compatible with industrial power supplies.
  • IP55 / Type 12 enclosure for enhanced environmental protection.
  • Integrated RFI filter for reduced electromagnetic interference.
  • MCA 125 BACnet/IP communication for BMS integration.
  • Mains disconnect included for improved servicing and maintenance safety.

Key Features

  • Danfoss VLT® HVAC Drive FC-102 series.
  • 11 kW rated output power.
  • 15 HP motor rating.
  • Three-phase 380-480 V AC input supply.
  • IP55 / Type 12 enclosure.
  • B1 frame size.
  • Integrated RFI filter.
  • No brake chopper.
  • Graphical Local Control Panel for straightforward operation.
  • Not coated PCB.
  • Mains disconnect included.
  • MCA 125 BACnet/IP communication option.
  • Metric thread cable entry.

Reliable Motor Control for HVAC Systems

Variable frequency drives such as the Danfoss FC-102 regulate motor speed by adjusting output voltage and frequency. This enables HVAC equipment to operate according to real system demand, reducing energy use while improving control stability and reducing mechanical stress on motors, pumps and fans.

The Danfoss VLT® HVAC Drive FC-102 series is engineered for building services and industrial HVAC applications. Its HVAC-focused control functions, graphical user interface and BACnet/IP connectivity make it suitable for building management systems, plant rooms and energy-saving retrofit projects.

Typical Applications

  • HVAC fans and ventilation systems.
  • Air handling units.
  • Heating and cooling circulation pumps.
  • Chilled water and condenser water systems.
  • Cooling tower fans.
  • Compressors and refrigeration systems.
  • Commercial building management systems.
  • Industrial process ventilation.
  • Energy-efficient HVAC retrofit projects.

Technical Specifications

Power 11 kW
Voltage 480 V
Phase Three Phase
IP Rating IP55
Series VLT® HVAC Drive FC-102
Part number 135U8258
Product type AC variable frequency drive
Rated output power 11 kW
Horsepower rating 15 HP
Input voltage 380-480 V AC
Input phases 3-phase
Frequency 50 / 60 Hz
Protection rating IP55 / Type 12
Frame size B1
RFI filter Integrated
Brake chopper Not included
Control panel Graphical Local Control Panel
PCB coating Not coated
Cable entry Metric thread
Mains disconnect Included
Dimensions (H × W × D) approx. 494 × 243 × 261 mm
Weight approx. 20.16 kg
EAN 5710108344986

Frequently Asked Questions

What is the Danfoss 135U8258 used for?

This drive is used to control three-phase AC motors in HVAC applications such as fans, pumps, compressors, air handling units and building services systems.

What motor power is supported by this drive?

The Danfoss 135U8258 supports motors with a rated output power of approximately 11 kW.

What supply voltage does the drive require?

The drive operates from a three-phase 380-480 V AC supply.

Does this drive include BACnet/IP communication?

Yes. The Danfoss 135U8258 includes the MCA 125 BACnet/IP communication option for integration with building automation and BMS platforms.

Is the Danfoss 135U8258 suitable for demanding environments?

Yes. The drive has an IP55 / Type 12 enclosure, providing enhanced protection for HVAC plant rooms and industrial building services installations.

Trusted by HVAC Professionals Worldwide

Danfoss VLT® HVAC drives are widely used by facilities engineers, HVAC contractors and building automation specialists to deliver reliable motor control, improved energy efficiency and dependable operation in modern building services.

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