Danfoss 131B7846 VLT HVAC Drive FC 102, a 4.0 kW three phase AC variable frequency drive designed for HVAC motor control, fans, pumps and building automation systems.
£848.00
The Danfoss 131B7846 is a compact and efficient AC variable frequency drive (VFD) designed for precise motor speed control in heating, ventilation and air conditioning systems. As part of the trusted Danfoss VLT HVAC Drive FC 102 series, it is engineered for HVAC applications requiring dependable operation, energy optimisation and straightforward integration into building automation systems.
This drive provides reliable motor control functionality while helping reduce energy consumption and improve overall system performance. The FC 102 series includes HVAC-focused features that simplify commissioning, support efficient operation and help maintain reliable performance in commercial and industrial environments.
With a rated output power of 4.0 kW / 5.5 HP and a three-phase 380–480 V AC supply, the Danfoss 131B7846 is ideal for smaller HVAC motor applications such as fans, pumps, air handling units and ventilation systems. Its IP20 / chassis enclosure is suitable for installation inside protected electrical panels or control cabinets.
Variable frequency drives such as the Danfoss FC 102 regulate motor speed by adjusting output voltage and frequency. This allows HVAC equipment to operate according to real system demand, helping reduce wasted energy while improving comfort, system stability and equipment lifespan.
The FC 102 series is designed for building services engineers, facilities teams and system integrators. Its HVAC-focused functions and building automation compatibility make it well suited to modern energy-efficient ventilation, heating and cooling systems.
| Power | 4 kW |
|---|---|
| Voltage | 480 V |
| Phase | Three Phase |
| IP Rating | IP20 |
| Series | VLT HVAC Drive FC 102 |
| Model code | FC-102P4K0T4E20H2XNXXXXSXXXXAXBXCXXXXDX |
| Product type | AC variable frequency drive |
| Rated output power | 4.0 kW / 5.5 HP |
| Continuous output current | 10 A |
| Intermittent output current | 11 A |
| Input voltage | 380–480 V AC |
| Input phases | 3-phase |
| Protection rating | IP20 / chassis |
| RFI filter | Class A2 (C3) |
| Brake chopper | No brake chopper |
| PCB coating | Not coated PCB |
| Mains option | No mains option |
| Frame size | A2 |
| Dimensions (H × W × D) | approx. 268 × 90 × 205 mm |
| Weight | approx. 4.07 kg |
| EMC Filter | Industrial |
This drive controls the speed of three-phase AC motors used in HVAC applications such as fans, pumps, ventilation systems and air handling units.
The drive supports motors with a rated output power of approximately 4.0 kW / 5.5 HP.
The Danfoss 131B7846 operates from a three-phase 380–480 V AC supply.
The drive is supplied in an IP20 / chassis enclosure, making it suitable for installation inside protected electrical panels or cabinets.
No, this model is supplied with no brake chopper, making it suitable for standard HVAC fan and pump control applications.
Danfoss VLT HVAC drives are widely used by building services engineers, facilities managers and system integrators to deliver reliable motor control, efficient operation and dependable HVAC 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...