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134H1244 Danfoss VLT HVAC Drive 18.5KW/25HP 380-480VAC IP55

MPN: 134H1244

Alt. SKU: FC-102P18KT4P55H3XGXXXXSXXXXAXBPCXXXXDX

Special Price £2,436.48 £2,030.40 Regular Price £4,060.80

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Why Choose the Danfoss 134H1244 VLT® HVAC Drive FC 102?

The Danfoss 134H1244 is a reliable AC variable frequency drive (VFD) from the VLT® HVAC Drive FC 102 series, designed for heating, ventilation, air conditioning and refrigeration applications. It provides efficient motor speed control for pumps, fans and air handling equipment.

With a rated output power of 18.5 kW (25 HP) and a three-phase 380–480 V AC supply, this model features an IP55 / Type 12 backplate enclosure, RFI Class A1/B filtering, graphical local control panel, MCB-105 relay card, no brake chopper, no mains option, no A option, not coated PCB and a B1 frame.

Key Advantages

  • Dedicated HVAC variable frequency drive for pumps, fans and ventilation systems.
  • 18.5 kW (25 HP) motor power rating.
  • Three-phase 380–480 V AC input for commercial and industrial HVAC installations.
  • IP55 / Type 12 backplate enclosure for protected plant room environments.
  • RFI Class A1/B filtering for improved EMC performance.
  • MCB-105 relay card for enhanced relay output functionality.
  • Graphical local control panel for straightforward commissioning and diagnostics.

Technical Specifications

  • Manufacturer: Danfoss
  • Series: VLT® HVAC Drive FC 102
  • Model: FC-102P18KT4P55H3XGXXXXSXXXXAXBPCXXXXDX
  • Part Number: 134H1244
  • Rated output power: 18.5 kW (25 HP)
  • Input voltage: 380–480 V AC
  • Input phases: 3-phase
  • Output phases: 3-phase
  • Protection rating: IP55 / Type 12 backplate
  • EMC filter: RFI Class A1/B (C1)
  • Brake function: No brake chopper
  • Control panel: Graphical local control panel
  • B option: MCB-105 relay card
  • Mains option: No mains option
  • PCB protection: Not coated PCB
  • Software: Latest release standard software
  • Frame size: B1
  • A option: No A option
  • C1 option: No C1 option
  • D option: No D option
  • Height: 494 mm
  • Width: 243 mm
  • Depth: 261 mm
  • Net weight: 22.91 kg
  • EAN: 5710107662531

Typical Applications

  • Air handling units.
  • HVAC fan systems.
  • Heating and chilled water pumps.
  • Ventilation and extraction systems.
  • Commercial building management systems.
  • Plant room installations.
  • Energy-efficient HVAC projects.

Frequently Asked Questions

What is the Danfoss 134H1244 used for?

The Danfoss 134H1244 is used for variable speed control of HVAC motors, including pumps, fans and ventilation equipment.

What motor size can this drive control?

This model is rated for motors up to 18.5 kW (25 HP).

Does the Danfoss 134H1244 include a relay card?

Yes, this configuration includes an MCB-105 relay card.

What enclosure rating does it have?

The drive features an IP55 / Type 12 backplate enclosure.

Does it include a brake chopper?

No, this model is supplied with no brake chopper.

More Information
Manufacturer Part Number 134H1244
Barcode 5710107662531
Height 480mm
Width 242mm
Depth 260mm
Filter Filter Included
Input Phases Three Phase
Degree of protection (IP) IP55
KW Rating 18.5kW
Output Phases Three phase
VSD Range Danfoss VLT FC102
Manufacturer Danfoss
Alternative Product SKU FC-102P18KT4P55H3XGXXXXSXXXXAXBPCXXXXDX
Write Your Own Review
You're reviewing:134H1244 Danfoss VLT HVAC Drive 18.5KW/25HP 380-480VAC IP55

The VLT HVAC drive has built-in intelligence to give optimal process control to heating, ventilation and air conditioning (HVAC). It is simple to use and extremely cost-efficient, featuring a number of functions that are ideal for use with pumps, fans and compressors to save energy, meet environmental regulations and reduce costs in modern buildings.

The VLT HVAC drive has a compact, robust design and is ideally suited to locations where space is restricted. A selection of safety features, such as Safe Torque Off and Safe Maximum Speed, protect both applications and their operators.

Enclosures can be purchased separately, up to IP66, and an additional option available upon purchase is a unique coating to provide added protection for the circuit boards. Integrated DC chokes and RFI filters safeguard installations by minimizing harmonic distortion and electromagnetic.

Supply voltages and power range

3 x 200-240 V...1.1-45 kW

3 x 380-480 V...1.1 kW – 1 MW

3 x 525-600 V...1.1-90 kW

3 x 525-690 V...45 kW – 1.4 MW

Low harmonic drive

3 x 380-480 V...132-710 kW

12-pulse drive

3 x 380-480 V...250-200kW

Features and benefits

  • There’s no need for external cooling or oversizing as the maximum ambient temperature is 50°C without derating
  • PLC capacity is often unnecessary thanks to the Smart Logic Controller 
  • A low initial investment and easy upgrades are possible thanks to the modular concept with a wide range of options
  • The need for external control and conversion equipment is avoided due to integrated pump, fan and compressor functionality
  • 5–15% energy is saved as a result of the Automatic Energy Optimization function
  • Less gateway solutions are needed thanks to a wide range of HVAC protocols for building management system controller connectivity

 

Applications

Pumps, fans, compressors.

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For further information on this product please get in touch with our team or visit the Danfoss website.