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134U3872 Danfoss VLT HVAC Drive 30KW/40HP 380-480VAC IP55
MPN: 134U3872
Alt. SKU: FC-102P30KT4P55H3XGCXXXSXXXXAQBKCXXXXDX
Special Price
£3,366.00
£2,805.00
Regular Price
£5,610.00
Why Choose the Danfoss 134U3872 VLT HVAC Drive?
The Danfoss 134U3872 is a reliable 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 pumps, fans and compressors, helping HVAC systems reduce energy consumption, improve process control and minimise mechanical wear.
This drive is engineered for commercial and industrial building services where dependable HVAC motor control, fieldbus communication, flexible I/O and enclosure protection are essential. The FC 102 range includes intelligent HVAC functionality, flexible configuration options and efficient motor control features for modern building automation and energy management systems.
With a rated output power of 30 kW and a three-phase 380-480 V AC supply, the Danfoss 134U3872 is suitable for medium to larger HVAC motor applications. Its IP55 / Type 12 backplate enclosure, Modbus TCP MCA 122 communication option, MCB-101 general purpose I/O, coated PCB and graphical local control panel make it a practical choice for protected HVAC installations requiring reliable control and network integration.
Key Advantages
- Purpose-built HVAC variable frequency drive for energy-efficient motor control.
- 30 kW motor power rating suitable for pumps, fans and compressors.
- Three-phase 380-480 V AC input for commercial and industrial installations.
- IP55 / Type 12 backplate enclosure for enhanced environmental protection.
- Modbus TCP MCA 122 communication option for automation and building control networks.
- MCB-101 general purpose I/O option for expanded control functionality.
- Coated PCB supports reliable operation in demanding environments.
Key Features
- Danfoss VLT® HVAC Drive FC 102 series.
- 30 kW rated output power.
- 40 HP motor rating.
- Three-phase 380-480 V AC input supply.
- IP55 / Type 12 backplate enclosure.
- RFI Class A1/B (C1) integrated filter.
- No brake chopper configuration.
- Graphical Local Control Panel included.
- Modbus TCP MCA 122 A-option fitted.
- MCB-101 general purpose I/O option fitted.
- Coated PCB for enhanced environmental resistance.
- No mains option.
- No C1 option and no D option.
- Latest release standard software.
Technical Specifications
- Manufacturer: Danfoss
- Series: VLT® HVAC Drive FC 102
- Part Number: 134U3872
- Model Code: FC-102P30KT4P55H3XGCXXXSXXXXAQBKCXXXXDX
- Product type: AC variable frequency drive
- Rated output power: 30 kW
- Horsepower rating: 40 HP
- Input voltage: 380-480 V AC
- Input phases: Three-phase
- Protection rating: IP55 / Type 12 Backplate
- RFI filter: Class A1/B (C1)
- Brake chopper: No brake chopper
- Communication option: Modbus TCP MCA 122
- I/O option: MCB-101 General Purpose I/O
- Control panel: Graphical Local Control Panel
- PCB coating: Coated PCB
- Mains option: No mains option
- Frame size: B2
Efficient Motor Control for HVAC Systems
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 running costs and extend the service life of connected equipment.
The 134U3872 is particularly suited to HVAC installations requiring robust enclosure protection, Modbus TCP communication and flexible I/O expansion. Its IP55 / Type 12 backplate enclosure, graphical local control panel, coated PCB and integrated RFI filtering make it a strong choice for modern building services and industrial HVAC applications.
Typical Applications
- HVAC supply and extract fans.
- Air handling units and ventilation systems.
- Heating and chilled water circulation pumps.
- Commercial building services installations.
- Industrial HVAC and process ventilation systems.
- Building automation and control systems.
- Modbus TCP connected HVAC motor control applications.
Frequently Asked Questions
What is the Danfoss 134U3872 used for?
The Danfoss 134U3872 is used to control three-phase AC motors in HVAC applications such as pumps, fans, compressors and ventilation systems.
What motor power does the 134U3872 support?
This drive is rated for 30 kW or approximately 40 HP motor applications.
What supply voltage does the drive require?
The 134U3872 operates from a three-phase 380-480 V AC supply.
Does the Danfoss 134U3872 include Modbus TCP communication?
Yes, this model includes the Modbus TCP MCA 122 communication option for integration with automation and building control networks.
What enclosure rating does this drive have?
The drive has an IP55 / Type 12 backplate enclosure, making it suitable for HVAC installations requiring enhanced environmental protection.
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 seamless integration into modern HVAC systems.
| Manufacturer Part Number | 134U3872 |
|---|---|
| Barcode | 5710107998883 |
| Height | 650mm |
| Width | 242mm |
| Depth | 260mm |
| Filter | Filter Included |
| Input Phases | Three Phase |
| Degree of protection (IP) | IP55 |
| KW Rating | 30kW |
| Output Phases | Three phase |
| VSD Range | Danfoss VLT FC102 |
| Manufacturer | Danfoss |
| Alternative Product SKU | FC-102P30KT4P55H3XGCXXXSXXXXAQBKCXXXXDX |
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.
