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.
134L3620 Danfoss VLT HVAC Drive 11KW/15HP 380-480VAC IP55
MPN: 134L3620
Alt. SKU: FC-102P11KT4E55H1XGX1XXSXXXXAQBXCXXXXDX
Special Price
£2,000.88
£1,667.40
Regular Price
£3,334.80
Why Choose the Danfoss 134L3620 VLT HVAC Drive?
The Danfoss 134L3620 is a robust and efficient AC variable frequency drive (VFD) from the advanced Danfoss VLT HVAC Drive FC 102 series. Designed specifically for heating, ventilation, air conditioning and refrigeration applications, it provides accurate motor speed control, improved energy performance and dependable operation in commercial and industrial building services.
This drive is engineered to optimise HVAC system performance by matching motor output to real demand. The FC 102 platform includes dedicated HVAC functionality, simple commissioning and flexible automation connectivity, making it suitable for fans, pumps and compressors used across modern buildings, plant rooms and mechanical services installations.
With a rated output power of 11 kW / 15 HP and a three-phase 380–480 V AC supply, the Danfoss 134L3620 is ideal for medium HVAC motor applications requiring reliable control. Its IP55 / Type 12 enclosure offers enhanced protection, while the integrated RFI Class A1/B (C1) filter and Modbus TCP MCA 122 option support efficient system integration.
Key Advantages
- Efficient variable frequency drive for HVAC applications.
- 11 kW / 15 HP power rating for fans, pumps and compressors.
- Three-phase 380–480 V AC input suitable for commercial and industrial systems.
- IP55 / Type 12 enclosure for enhanced environmental protection.
- Built-in RFI Class A1/B (C1) filter for EMC performance.
- Modbus TCP MCA 122 communication option for automation networks.
- Mains disconnect option for convenient isolation and maintenance.
Key Features
- Danfoss VLT HVAC Drive FC 102 series.
- 11 kW / 15 HP rated output power.
- Three-phase 380–480 V AC input supply.
- IP55 / Type 12 enclosure.
- B1 frame size.
- RFI Class A1/B (C1) integrated EMC filter.
- No brake chopper configuration.
- Graphical Local Control Panel.
- Modbus TCP MCA 122 communication option.
- Not coated PCB.
- Mains disconnect included.
- Latest release standard software.
Technical Specifications
- Manufacturer: Danfoss
- Series: VLT HVAC Drive FC 102
- Model: 134L3620
- Model code: FC-102P11KT4E55H1XGX1XXSXXXXAQBXCXXXXDX
- Product type: AC variable frequency drive
- Rated output power: 11 kW / 15 HP
- Input voltage: 380–480 V AC
- Input phases: 3-phase
- Protection rating: IP55 / Type 12
- Frame size: B1
- RFI filter: Class A1/B (C1)
- Brake chopper: No brake chopper
- Communication option: Modbus TCP MCA 122
- Control panel: Graphical Local Control Panel
- PCB coating: Not coated PCB
- Mains option: Mains disconnect
- Mounting type: Wall / panel mounting
- Dimensions (H × W × D): approx. 494 × 243 × 261 mm
- Weight: approx. 20 kg
Reliable HVAC Motor Control
The Danfoss VLT HVAC Drive FC 102 regulates motor speed by varying output voltage and frequency according to system demand. This improves process efficiency, reduces mechanical wear and helps minimise energy consumption across HVAC installations.
Purpose-built for building automation systems, the FC 102 platform includes intelligent HVAC functions designed specifically for fans, pumps and compressors. With Modbus TCP connectivity, the 134L3620 can be integrated into modern automation networks for efficient monitoring, control and diagnostics.
Typical Applications
- HVAC fans and ventilation systems.
- Air handling units.
- Heating and cooling pumps.
- Refrigeration and compressor systems.
- Building management systems.
- Commercial plant rooms.
- Industrial HVAC installations.
Frequently Asked Questions
What is the Danfoss 134L3620 used for?
The Danfoss 134L3620 is used to control AC motors in HVAC applications such as fans, pumps, compressors and ventilation systems.
What motor power does this drive support?
The drive is rated for 11 kW / 15 HP motor applications.
What supply voltage does the drive require?
The 134L3620 operates from a three-phase 380–480 V AC supply.
Does this model include Modbus TCP communication?
Yes, this configuration includes the Modbus TCP MCA 122 communication option for integration with automation and building management systems.
What enclosure rating does this drive have?
The drive features an IP55 / Type 12 enclosure, making it suitable for environments requiring increased protection compared with standard chassis drives.
Trusted by HVAC Engineers Worldwide
Danfoss VLT HVAC drives are widely used by building services engineers, facilities teams and system integrators to deliver dependable motor control, energy savings and efficient HVAC operation.
| Manufacturer Part Number | 134L3620 |
|---|---|
| Barcode | 5710107787807 |
| Height | 480mm |
| Width | 242mm |
| Depth | 260mm |
| Filter | Filter Included |
| Input Phases | Three Phase |
| Degree of protection (IP) | IP55 |
| KW Rating | 11kW |
| Output Phases | Three phase |
| VSD Range | Danfoss VLT FC102 |
| Manufacturer | Danfoss |
| Alternative Product SKU | FC-102P11KT4E55H1XGX1XXSXXXXAQBXCXXXXDX |
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.
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.
