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134L6623 Danfoss VLT HVAC Drive 315KW/450HP 380-480VAC IP20
MPN: 134L6623
Alt. SKU: FC-102N315T4E20H2TGC7XXSXXXXALBXCXXXXDX
Why Choose the Danfoss 134L6623 VLT HVAC Drive?
The Danfoss 134L6623 is a high-power 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 large 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 large fans, pumps and compressors used across plant rooms, infrastructure projects and industrial HVAC installations.
With a rated output power of 315 kW / 450 HP and a three-phase 380–480 V AC supply, the Danfoss 134L6623 is ideal for demanding high-power HVAC motor applications. Its IP20 / chassis format is designed for cabinet installation, while the integrated RFI Class A2 (C3) filter, Safe Stop, PROFINET MCA 120 option and fuse mains option support reliable installation and system integration.
Key Advantages
- High-power variable frequency drive for HVAC applications.
- 315 kW / 450 HP power rating for large fans, pumps and compressors.
- Three-phase 380–480 V AC input suitable for industrial and commercial systems.
- IP20 / chassis enclosure for control panel installation.
- Built-in RFI Class A2 (C3) filter for EMC performance.
- PROFINET MCA 120 communication option for automation networks.
- Safe Stop functionality and fuse mains option for reliable system operation.
Key Features
- Danfoss VLT HVAC Drive FC 102 series.
- 315 kW / 450 HP rated output power.
- 535 A continuous output current.
- Three-phase 380–480 V AC input supply.
- IP20 / chassis enclosure.
- D4H frame size.
- RFI Class A2 (C3) integrated EMC filter.
- Safe Stop function included.
- Graphical Local Control Panel.
- PROFINET MCA 120 communication option.
- Coated PCB for enhanced durability.
- Fuse mains option.
Technical Specifications
- Manufacturer: Danfoss
- Series: VLT HVAC Drive FC 102
- Model: 134L6623
- Model code: FC-102N315T4E20H2TGC7XXSXXXXALBXCXXXXDX
- Product type: AC variable frequency drive
- Rated output power: 315 kW / 450 HP
- Continuous output current: 535 A
- Intermittent output current: 588 A
- Input voltage: 380–480 V AC
- Input phases: 3-phase
- Protection rating: IP20 / chassis
- Frame size: D4H
- RFI filter: Class A2 (C3)
- Safety function: Safe Stop
- Communication option: PROFINET MCA 120
- Control panel: Graphical Local Control Panel
- PCB coating: Coated PCB
- Mains option: Fuse
- Cable entries: Standard cable entries
- Mounting type: Cabinet / panel mounting
- Dimensions (H × W × D): approx. 1122 × 350 × 375 mm
- Net weight: approx. 128 kg
- Gross weight: approx. 143 kg
- EAN: 5710107818044
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 PROFINET connectivity, the 134L6623 can be integrated into modern automation networks for efficient monitoring, control and diagnostics.
Typical Applications
- Large HVAC fans and ventilation systems.
- Air handling units and plant room equipment.
- Heating, chilled water and circulation pumps.
- Refrigeration and compressor systems.
- Building management systems.
- Commercial and industrial mechanical services.
- High-power HVAC retrofit and replacement projects.
Frequently Asked Questions
What is the Danfoss 134L6623 used for?
The Danfoss 134L6623 is used to control AC motors in HVAC applications such as large fans, pumps, compressors and ventilation systems.
What motor power does this drive support?
The drive is rated for 315 kW / 450 HP motor applications.
What supply voltage does the drive require?
The 134L6623 operates from a three-phase 380–480 V AC supply.
Does this model include PROFINET communication?
Yes, this configuration includes the PROFINET MCA 120 communication option for integration with automation and building management systems.
Where is the Danfoss 134L6623 typically installed?
The IP20 chassis design is intended for installation inside electrical control panels, cabinets or suitable equipment enclosures.
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 | 134L6623 |
|---|---|
| Barcode | 5710107818044 |
| Height | 1122mm |
| Width | 350mm |
| Depth | 375mm |
| Filter | Filter Included |
| Input Phases | Three Phase |
| Degree of protection (IP) | IP20 |
| KW Rating | 315kW |
| Output Phases | Three phase |
| VSD Range | Danfoss VLT FC102 |
| Manufacturer | Danfoss |
| Alternative Product SKU | FC-102N315T4E20H2TGC7XXSXXXXALBXCXXXXDX |
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.