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135U8248 Danfoss VLT HVAC Drive 3.0KW/4.0HP 380-480VAC IP55
MPN: 135U8248
Alt. SKU: FC-102P3K0T4Z55H2XGX1OXSXXXXAKBXCXXXXDX
Why Choose the Danfoss 135U8248 VLT® HVAC Drive FC-102?
The Danfoss 135U8248 is a high-performance AC variable frequency drive (VFD) from the renowned VLT® HVAC Drive FC-102 series, engineered specifically for heating, ventilation and air conditioning applications. Designed to optimise motor performance while reducing energy consumption, this drive delivers reliable speed control for fans, pumps and air handling systems in commercial and industrial environments.
As part of the advanced Danfoss FC-102 range, the 135U8248 combines intelligent motor control, integrated communication capabilities and robust environmental protection. Its IP55 enclosure allows installation in demanding locations while reducing the need for additional protective cabinets.
With a rated output power of 3.0 kW and a three-phase 380-480 V AC supply, the Danfoss 135U8248 is ideal for HVAC systems requiring precise control, energy efficiency and dependable long-term operation.
Key Advantages
- Purpose-built HVAC variable frequency drive for energy-efficient motor control.
- 3.0 kW output rating suitable for pumps, fans and ventilation equipment.
- Three-phase 380-480 V AC input compatible with industrial power systems.
- IP55 / Type 12 enclosure for harsh operating environments.
- Integrated mains disconnect for improved maintenance safety.
- BACnet/IP communication support for building automation integration.
- Graphical local control panel for easy commissioning and monitoring.
Key Features
- Danfoss VLT® HVAC Drive FC-102 series.
- 3.0 kW / 4 HP rated output power.
- Three-phase 380-480 V AC input supply.
- IP55 / Type 12 protection rating.
- Integrated RFI filter.
- Graphical Local Control Panel (LCP).
- Mains disconnect switch included.
- BACnet/IP communication module.
- Designed for HVAC and building management systems.
- Energy-saving motor control technology.
Technical Specifications
- Manufacturer: Danfoss
- Series: VLT® HVAC Drive FC-102
- Part Number: 135U8248
- Model: FC-102P3K0T4Z55H2XGX1OXSXXXXAKBXCXXXXDX
- Product type: AC variable frequency drive
- Rated output power: 3.0 kW (4 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: BACnet/IP
- Mains disconnect: Included
Optimised Control for HVAC Applications
The Danfoss FC-102 series is specifically developed for HVAC environments where energy efficiency, reliability and precise motor control are critical. By adjusting motor speed to match system demand, the drive reduces energy consumption, minimises mechanical wear and extends equipment life.
Integrated building automation communication protocols enable seamless connectivity with modern BMS and HVAC control systems, helping facility managers optimise performance while reducing operating costs.
Typical Applications
- HVAC air handling units.
- Ventilation and extraction fans.
- Commercial building management systems.
- Chilled water and circulation pumps.
- Cooling tower applications.
- Industrial ventilation systems.
- Energy-efficient retrofit projects.
Frequently Asked Questions
What is the Danfoss 135U8248 used for?
The drive is designed primarily for HVAC applications including pumps, fans, air handling units and building automation systems.
What motor size can this drive control?
The Danfoss 135U8248 is rated for motors up to 3.0 kW (4 HP).
What supply voltage is required?
The drive operates from a three-phase 380-480 V AC supply.
Does the drive support building management systems?
Yes. The unit includes BACnet/IP communication capability for integration with modern building automation systems.
Is the drive suitable for harsh environments?
Yes. Its IP55 / Type 12 enclosure provides enhanced protection against dust and water ingress.
Trusted by HVAC Professionals Worldwide
Danfoss VLT® HVAC drives are widely used in commercial buildings and industrial facilities to improve energy efficiency, enhance system reliability and deliver precise motor control for critical HVAC applications.
| Manufacturer Part Number | 135U8248 |
|---|---|
| Barcode | 5710108345181 |
| Height | 390mm |
| Width | 200mm |
| Depth | 175mm |
| Filter | Filter Included |
| Input Phases | Three Phase |
| Degree of protection (IP) | IP55 |
| KW Rating | 3kW |
| Output Phases | Three phase |
| VSD Range | Danfoss VLT FC102 |
| Manufacturer | Danfoss |
| Alternative Product SKU | FC-102P3K0T4Z55H2XGX1OXSXXXXAKBXCXXXXDX |
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.