Danfoss 134H9644 VLT HVAC Drive FC 102, a 7.5 kW three phase AC variable frequency drive designed for HVAC fans, pumps, compressors and building automation systems.
£1,483.20
The Danfoss 134H9644 is a high-performance AC variable frequency drive (VFD) from the proven Danfoss VLT HVAC Drive FC 102 series, designed specifically for heating, ventilation, air conditioning and refrigeration applications. Engineered to provide precise motor speed control and reduced energy consumption, it helps optimise HVAC system efficiency while maintaining reliable operation in demanding commercial and industrial environments.
As part of the dedicated FC 102 HVAC range, this drive incorporates intelligent control features tailored for fans, pumps and compressors. Advanced motor control algorithms, integrated HVAC functionality and straightforward commissioning help simplify installation and improve overall system performance throughout the drive lifecycle.
With a rated output power of 7.5 kW / 10 HP and a three-phase 380–480 V AC supply, the Danfoss 134H9644 is ideal for medium-duty HVAC applications. The rugged IP55 / Type 12 enclosure provides enhanced environmental protection, making it suitable for installation in challenging plant room and building services environments.
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 and environmental control systems, the FC 102 includes intelligent HVAC functions developed specifically for pumps, fans and compressors. These features help improve reliability, simplify operation and reduce total cost of ownership.
| Power | 7.5 kW |
|---|---|
| Voltage | 480 V |
| Phase | Three Phase |
| IP Rating | IP55 |
| Series | VLT HVAC Drive FC 102 |
| Model code | FC-102P7K5T4E55H2XGX1OXSXXXXAXBXCXXXXDX |
| Product type | AC variable frequency drive |
| Rated output power | 7.5 kW / 10 HP |
| Rated output current | 14.5 A |
| Input voltage | 380–480 V AC |
| Input phases | 3-phase |
| Protection rating | IP55 / Type 12 |
| Frame size | A5 |
| RFI filter | Class A2 (C3) |
| Brake chopper | No brake chopper |
| Control panel | Graphical Local Control Panel |
| PCB coating | Not coated PCB |
| Mains option | Mains disconnect |
| Cable entry | Metric thread cable entry |
| Mounting type | Wall / panel mounting |
| Net weight | approx. 12.11 kg |
| Gross weight | approx. 12.73 kg |
| EAN | 5710107747733 |
| EMC Filter | Industrial |
The Danfoss 134H9644 is designed to control AC motors used in HVAC, ventilation, heating, cooling and refrigeration systems.
This model is rated for motors up to 7.5 kW / 10 HP.
The drive operates from a three-phase 380–480 V AC supply.
Yes, the 134H9644 is supplied with an integrated mains disconnect switch for safe isolation and maintenance.
The drive features an IP55 / Type 12 enclosure suitable for demanding HVAC and industrial environments.
Danfoss VLT HVAC drives are widely used throughout commercial buildings and industrial facilities to deliver reliable motor control, energy efficiency and long-term operational performance.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...