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135U8249 Danfoss VLT HVAC Drive 4.0KW/5.5HP 380-480VAC IP55
MPN: 135U8249
Alt. SKU: FC-102P4K0T4Z55H2XGX1OXSXXXXAKBXCXXXXDX
Special Price
£1,177.92
£981.60
Regular Price
£1,963.20
Why Choose the Danfoss 135U8249 VLT® HVAC Drive FC-102?
The Danfoss 135U8249 is a robust and efficient AC variable frequency drive (VFD) from the Danfoss VLT® HVAC Drive FC-102 series, designed specifically for heating, ventilation and air conditioning applications. Built for reliable motor speed control, it helps optimise pumps, fans, compressors and air handling systems in commercial and industrial building environments.
This drive provides intelligent HVAC motor control while helping reduce energy consumption, mechanical stress and operating costs. The FC-102 range is widely used in building automation systems thanks to its HVAC-focused functions, communication options and straightforward commissioning features.
With a rated output power of 4.0 kW and a three-phase 380-480 V AC supply, the Danfoss 135U8249 is suitable for demanding HVAC motor control applications. Its IP55 / Type 12 enclosure supports installation in harsher environments without requiring a separate control cabinet.
Key Advantages
- Purpose-built variable frequency drive for HVAC applications.
- 4.0 kW motor power rating suitable for pumps, fans and compressors.
- Three-phase 380-480 V AC input compatible with industrial and commercial power systems.
- IP55 / Type 12 enclosure for enhanced environmental protection.
- Integrated RFI filter for reduced electrical interference.
- BACnet/IP communication for building automation integration.
- Mains disconnect included for improved service and maintenance safety.
Key Features
- Danfoss VLT® HVAC Drive FC-102 series.
- 4.0 kW rated output power.
- 5.0 HP motor rating.
- Three-phase 380-480 V AC input supply.
- IP55 / Type 12 A4 frame enclosure.
- Integrated RFI filter.
- No brake chopper.
- Graphical Local Control Panel for easy operation.
- MCA 125 BACnet/IP communication option.
- Metric thread cable entry.
- Mains disconnect included.
Technical Specifications
- Manufacturer: Danfoss
- Series: VLT® HVAC Drive FC-102
- Model: FC-102P4K0T4Z55H2XGX1OXSXXXXAKBXCXXXXDX
- Part number: 135U8249
- Product type: AC variable frequency drive
- Rated output power: 4.0 kW
- Horsepower rating: 5.0 HP
- Input voltage: 380-480 V AC
- Input phases: 3-phase
- Frequency: 50 / 60 Hz
- Protection rating: IP55 / Type 12
- Frame size: A4
- RFI filter: Integrated
- Brake chopper: Not included
- Control panel: Graphical Local Control Panel
- Communication: MCA 125 BACnet/IP
- PCB coating: Not coated
- Cable entry: Metric thread
- Mains disconnect: Included
- Dimensions (H × W × D): approx. 391 × 200 × 177 mm
- Weight: approx. 7.91 kg
- EAN: 5710108345198
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 respond more accurately to demand, improving energy efficiency while reducing unnecessary wear on motors, belts, fans and pumps.
The Danfoss VLT® HVAC Drive FC-102 series is designed for building services and industrial HVAC environments. Its integrated control functions, graphical interface and BACnet/IP connectivity make it well suited for modern building management systems and energy-saving retrofit projects.
Typical Applications
- HVAC fans and ventilation systems.
- Air handling units.
- Heating and cooling circulation pumps.
- Chilled water systems.
- Cooling towers and condenser fans.
- Commercial building management systems.
- Industrial HVAC and process ventilation.
- Energy-efficient motor control retrofit projects.
Frequently Asked Questions
What is the Danfoss 135U8249 used for?
This drive is used to control the speed and performance of three-phase AC motors in HVAC applications such as fans, pumps, compressors and air handling systems.
What motor power is supported by this drive?
The Danfoss 135U8249 supports motors with a rated output power of approximately 4.0 kW.
What supply voltage does the drive require?
The drive operates from a three-phase 380-480 V AC supply.
Does this drive support BACnet/IP communication?
Yes. The Danfoss 135U8249 includes the MCA 125 BACnet/IP communication option for integration with building automation systems.
Is the Danfoss 135U8249 suitable for panel-free installation?
The drive has an IP55 / Type 12 enclosure, making it suitable for installation in more demanding environments where additional cabinet protection may not always be required.
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.
| Manufacturer Part Number | 135U8249 |
|---|---|
| Barcode | 5710108345198 |
| Height | 390mm |
| Width | 200mm |
| Depth | 175mm |
| Filter | Filter Included |
| Input Phases | Three Phase |
| Degree of protection (IP) | IP55 |
| KW Rating | 4kW |
| Output Phases | Three phase |
| VSD Range | Danfoss VLT FC102 |
| Manufacturer | Danfoss |
| Alternative Product SKU | FC-102P4K0T4Z55H2XGX1OXSXXXXAKBXCXXXXDX |
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.
