We use cookies to make your experience better. To comply with the new e-Privacy directive, we need to ask for your consent to set the cookies. Learn more.
134F6666 Danfoss VLT FC-102 HVAC Drive 3.0 KW / 4.0 HP, 380 - 480 VAC, IP55
MPN: 134F6666
Alt. SKU: FC-102P3K0T4Y55H2XNXXOXSXXXXAXBXCXXXXDX
Why Choose the Danfoss 134F6666 VLT HVAC Drive FC-102?
The Danfoss 134F6666 is a reliable VLT HVAC Drive FC-102 variable speed drive designed for efficient control of three-phase motors in heating, ventilation, air conditioning and refrigeration systems. Built for HVAC applications, this Danfoss frequency converter helps regulate motor speed, reduce energy consumption and improve system performance across commercial and industrial installations.
As part of the proven Danfoss VLT HVAC Drive FC-102 series, this drive is engineered to support pumps, fans, compressors and air-handling equipment with accurate motor control and dependable operation. Its enclosed design, integrated RFI filtering and local control panel make it suitable for demanding building services and plant room environments.
With a rated output power of 3.0 kW / 4.0 HP and a three-phase 380-480 V AC supply, the Danfoss 134F6666 provides a practical motor control solution for medium-duty HVAC equipment. The IP55 / Type 12 backplate enclosure supports installation in environments where additional protection against dust and water ingress is required.
Key Advantages
- Dedicated VLT HVAC Drive FC-102 for building services and HVAC motor control.
- 3.0 kW / 4.0 HP power rating for pumps, fans and ventilation equipment.
- Three-phase 380-480 V AC input for industrial and commercial power systems.
- IP55 / Type 12 backplate enclosure for protected installation environments.
- Integrated RFI Class A2 (C3) filter to support EMC compliance.
- Numerical local control panel for straightforward operation and commissioning.
Key Features
- Danfoss VLT HVAC Drive FC-102 series.
- 3.0 kW / 4.0 HP rated motor power.
- Three-phase 380-480 V AC mains voltage.
- IP55 / Type 12 backplate enclosure.
- RFI Class A2 (C3) filter.
- No brake chopper configuration.
- Numerical local control panel included.
- Metric thread cable entry.
- Standard software language pack.
- Frame size A4.
Technical Specifications
- Manufacturer: Danfoss
- Series: VLT HVAC Drive FC-102
- Model / SKU: 134F6666
- Type code: FC-102P3K0T4Y55H2XNXXOXSXXXXAXBXCXXXXDX
- Product type: HVAC variable speed drive / frequency converter
- Rated output power: 3.0 kW / 4.0 HP
- Mains voltage: 380-480 V AC
- Input phases: Three phase
- Enclosure: IP55 / Type 12 backplate
- RFI filter: RFI Class A2 (C3)
- Brake chopper: No brake chopper
- Local control panel: Numerical LCP
- PCB coating: Not coated PCB
- Mains option: No mains option
- Adaptation A: Metric thread cable entry
- Adaptation B: No adaptation
- Software release: Latest release standard software
- Software language pack: Standard language pack
- A option: No A option
- B option: No B option
- C0 option: No C0 option
- C1 option: No C1 option
- D option: No D option
- Frame size: A4
- Dimensions (H x W x D): approx. 391 x 200 x 177 mm
- Net weight: approx. 8.07 kg
- Gross weight: approx. 8.806 kg
- EAN: 5710107469086
Efficient Motor Control for HVAC Systems
Variable speed drives such as the Danfoss VLT HVAC Drive FC-102 control motor speed by adjusting output voltage and frequency. This allows HVAC systems to match motor output to real demand, helping reduce energy use, lower mechanical stress and improve overall system efficiency.
The Danfoss 134F6666 is particularly suitable for building automation and plant room applications where reliable control of pumps, fans and air movement equipment is essential. Its IP55 enclosure, integrated filtering and HVAC-focused functionality make it a dependable choice for both new installations and replacement drive projects.
Typical Applications
- HVAC fan and pump control systems.
- Air handling units and ventilation equipment.
- Building services motor control panels.
- Heating and cooling plant rooms.
- Refrigeration and climate control applications.
- Commercial facilities and industrial HVAC systems.
Frequently Asked Questions
What is the Danfoss 134F6666 used for?
The Danfoss 134F6666 is used to control the speed of three-phase motors in HVAC applications such as fans, pumps, ventilation systems and building services equipment.
What power rating does this drive support?
This Danfoss VLT HVAC Drive FC-102 has a rated output power of approximately 3.0 kW / 4.0 HP.
What supply voltage does the Danfoss 134F6666 require?
The drive is designed for a three-phase 380-480 V AC mains supply.
What enclosure rating does this model have?
The Danfoss 134F6666 features an IP55 / Type 12 backplate enclosure, making it suitable for protected industrial and commercial environments.
Does this drive include a brake chopper?
No. This configuration of the Danfoss 134F6666 is supplied with no brake chopper.
Trusted by HVAC Engineers and Facilities Teams
Danfoss VLT HVAC Drive FC-102 frequency converters are widely used by HVAC engineers, building services specialists and facilities teams to deliver efficient motor control, dependable operation and reduced energy consumption in modern climate control systems.
| Manufacturer Part Number | 134F6666 |
|---|---|
| Barcode | 5710107469086 |
| 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-102P3K0T4Y55H2XNXXOXSXXXXAXBXCXXXXDX |
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.
PC tools
VLT® Motion Control Tool MCT 10
VLT® Motion Control Tool MCT 31
Danfoss ecoSmart
Danfoss HCS (Harmonic Calculation Software)
Danfoss Servo Sizer
VLT® Energy Box
For further information on this product please get in touch with our team or visit the Danfoss website.