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134N4991 Danfoss VLT HVAC Drive 315KW/450HP 380-480VAC IP54
MPN: 134N4991
Alt. SKU: FC-102P315T4E5MN2TGC7XXSXXXXAXBXCXXXXDX
Special Price
£52,779.60
£43,983.00
Regular Price
£70,372.80
Why Choose the Danfoss 134N4991 VLT HVAC Drive?
The Danfoss 134N4991 is a high-power 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 large pumps, fans and compressors, helping HVAC systems reduce energy consumption, improve process stability and minimise mechanical wear.
This drive is engineered for demanding commercial, industrial and infrastructure HVAC environments where reliable high-power motor control, safety and long-term serviceability are essential. The FC 102 range includes intelligent HVAC functionality, flexible configuration options and dependable performance for modern building services and process ventilation systems.
With a rated output power of 315 kW and a three-phase 380-480 V AC supply, the Danfoss 134N4991 is suitable for very large HVAC motor applications. Its IP54 / Type 12 enclosure with mains shield, integrated Safe Stop function, LHD AAF006 filter with A2 RFI, coated PCB and fuse option make it a strong choice for demanding high-power installations.
Key Advantages
- High-power HVAC variable frequency drive for large motor control applications.
- 315 kW motor power rating suitable for major pumps, fans and compressors.
- Three-phase 380-480 V AC input for industrial and commercial installations.
- IP54 / Type 12 enclosure with mains shield for protected high-power installation environments.
- Integrated Safe Stop functionality for enhanced operational safety.
- LHD AAF006 filter with A2 RFI for improved harmonic and EMC performance.
- Coated PCB and fuse option support reliable operation in demanding conditions.
Key Features
- Danfoss VLT® HVAC Drive FC 102 series.
- 315 kW rated output power.
- 450 HP motor rating.
- Three-phase 380-480 V AC input supply.
- IP54 / Type 12 enclosure with mains shield.
- LHD AAF006 filter with A2 RFI.
- Safe Stop functionality.
- Graphical Local Control Panel included.
- Coated PCB for enhanced environmental resistance.
- Fuse option included.
- No A option and no B option.
- No C1 option and no D option.
- Latest release standard software.
Technical Specifications
- Manufacturer: Danfoss
- Series: VLT® HVAC Drive FC 102
- Part Number: 134N4991
- Model Code: FC-102P315T4E5MN2TGC7XXSXXXXAXBXCXXXXDX
- Product type: AC variable frequency drive
- Rated output power: 315 kW
- Horsepower rating: 450 HP
- Input voltage: 380-480 V AC
- Input phases: Three-phase
- Protection rating: IP54 / Type 12 with mains shield
- Filter: LHD AAF006 filter with A2 RFI
- Safety function: Safe Stop
- Control panel: Graphical Local Control Panel
- PCB coating: Coated PCB
- Mains option: Fuse
- Frame size: E9
High-Power HVAC Motor Control
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 operating costs and extend the service life of connected equipment.
The 134N4991 is particularly suited to large-scale HVAC installations requiring high motor power, robust enclosure protection and improved harmonic filtering. Its IP54 / Type 12 mains-shield enclosure, Safe Stop functionality, coated PCB, fuse option and LHD AAF006 filter make it a strong choice for critical building services and industrial HVAC applications.
Typical Applications
- Large HVAC supply and extract fans.
- Major air handling units and ventilation systems.
- High-capacity heating and chilled water circulation pumps.
- Commercial building services plant rooms.
- Industrial HVAC and process ventilation systems.
- Compressor and refrigeration control applications.
- High-power HVAC motor control requiring harmonic mitigation.
Frequently Asked Questions
What is the Danfoss 134N4991 used for?
The Danfoss 134N4991 is used to control three-phase AC motors in large HVAC applications such as pumps, fans, compressors and ventilation systems.
What motor power does the 134N4991 support?
This drive is rated for 315 kW or approximately 450 HP motor applications.
What supply voltage does the drive require?
The 134N4991 operates from a three-phase 380-480 V AC supply.
What enclosure rating does this drive have?
The drive has an IP54 / Type 12 enclosure with mains shield, making it suitable for protected high-power HVAC installations.
Does the Danfoss 134N4991 include harmonic filtering?
Yes, this model includes an LHD AAF006 filter with A2 RFI to support improved harmonic and EMC performance.
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 dependable performance in modern HVAC systems.
| Manufacturer Part Number | 134N4991 |
|---|---|
| Barcode | 5710107902538 |
| Filter | Filter Included |
| Input Phases | Three Phase |
| Degree of protection (IP) | IP54 |
| KW Rating | 315kW |
| Output Phases | Three phase |
| VSD Range | Danfoss VLT FC102 |
| Manufacturer | Danfoss |
| Alternative Product SKU | FC-102P315T4E5MN2TGC7XXSXXXXAXBXCXXXXDX |
Write Your Own Review
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.
