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134F9456 Danfoss VLT HVAC Drive 250KW/350HP 380-480VAC IP54

MPN: 134F9456

Alt. SKU: FC-102N250T4E5MH4XGC7XXSXXXXAXBXCXXXXDX

Special Price £23,347.80 £19,456.50 Regular Price £31,130.40

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Why Choose the Danfoss 134F9456 VLT® HVAC Drive FC 102?

The Danfoss 134F9456 is a high-power AC variable frequency drive (VFD) from the VLT® HVAC Drive FC 102 series, designed for demanding heating, ventilation, air conditioning and refrigeration applications. Built for HVAC engineers, facilities teams and industrial automation professionals, this drive provides dependable motor speed control for large pumps, fans and ventilation equipment.

With a rated output power of 250 kW (350 HP) and a three-phase 380–480 V AC supply, the Danfoss 134F9456 is ideal for large-scale HVAC motor control applications. This model features IP54 / Type 12 protection with main shield, RFI Class A1 (C2) filtering, graphical local control panel, coated PCB, fuse option, no brake chopper and a D2H frame.

Key Advantages

  • High-power variable frequency drive for HVAC applications.
  • 250 kW (350 HP) motor power rating for large pumps, fans and ventilation systems.
  • Three-phase 380–480 V AC input suitable for industrial HVAC installations.
  • IP54 / Type 12 enclosure with main shield for protected plant room installations.
  • Integrated RFI Class A1 (C2) filtering for EMC performance.
  • Graphical local control panel supports straightforward commissioning and operation.
  • Coated PCB with fuse option for enhanced protection and installation flexibility.

Technical Specifications

  • Manufacturer: Danfoss
  • Series: VLT® HVAC Drive FC 102
  • Model: FC-102N250T4E5MH4XGC7XXSXXXXAXBXCXXXXDX
  • Part Number: 134F9456
  • Rated output power: 250 kW (350 HP)
  • Input voltage: 380–480 V AC
  • Input phases: 3-phase
  • Output phases: 3-phase
  • Protection rating: IP54 / Type 12 with main shield
  • EMC filter: RFI Class A1 (C2)
  • Brake function: No brake chopper
  • Control panel: Graphical local control panel
  • Option: Fuse
  • PCB protection: Coated PCB
  • Software: Latest release standard software
  • Frame size: D2H
  • A option: No A option
  • B option: No B option
  • C1 option: No C1 option
  • D option: No D option

Typical Applications

  • Large HVAC fan and pump systems.
  • Air handling units and major ventilation systems.
  • Heating and chilled water pump systems.
  • Cooling tower fans.
  • Industrial ventilation and extraction systems.
  • Building management and HVAC control systems.
  • Large commercial buildings, plant rooms and industrial facilities.

Frequently Asked Questions

What is the Danfoss 134F9456 used for?

The Danfoss 134F9456 is used to control the speed of three-phase AC motors in large HVAC systems, including pumps, fans, ventilation equipment and refrigeration applications.

What motor power is supported by this drive?

This drive is rated for motors up to approximately 250 kW (350 HP).

What supply voltage does the drive require?

The Danfoss 134F9456 operates from a three-phase 380–480 V AC supply.

What enclosure rating does this model have?

The drive features an IP54 / Type 12 enclosure with main shield, making it suitable for protected HVAC and plant room installations.

Does the Danfoss 134F9456 include a brake chopper?

No, this model is supplied with no brake chopper.

More Information
Manufacturer Part Number 134F9456
Barcode 5710107497423
Height 1060mm
Width 420mm
Depth 378mm
Filter Filter Included
Input Phases Three Phase
Degree of protection (IP) IP54
KW Rating 250kW
Output Phases Three phase
VSD Range Danfoss VLT FC102
Manufacturer Danfoss
Alternative Product SKU FC-102N250T4E5MH4XGC7XXSXXXXAXBXCXXXXDX
Write Your Own Review
You're reviewing:134F9456 Danfoss VLT HVAC Drive 250KW/350HP 380-480VAC IP54

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.