Danfoss 131B7574 VLT HVAC Drive FC-102, a 4.0 kW three phase AC variable frequency drive designed for HVAC motor control, ventilation, heating and refrigeration applications.
£851.95
The Danfoss 131B7574 is a robust and energy-efficient AC variable frequency drive (VFD) designed for precise motor speed control in HVAC, ventilation, heating and refrigeration applications. As part of the trusted Danfoss VLT® HVAC Drive FC-102 series, it is engineered to deliver dependable control of fans, pumps, compressors and air handling equipment in commercial and industrial environments.
This drive helps optimise HVAC system performance by adjusting motor speed to match real operating demand, reducing energy consumption and lowering mechanical stress on connected equipment. The FC-102 platform includes HVAC-specific control functions, intelligent monitoring and flexible integration options for modern building automation and process systems.
With a rated output power of 4.0 kW and a three-phase 380–480 V AC supply, the Danfoss 131B7574 is ideal for HVAC motor control applications requiring reliable performance in protected environments. Its IP55 / Type 12 backplate enclosure, graphical local control panel and integrated mains disconnect provide strong protection, simple commissioning and practical service access.
Variable frequency drives such as the Danfoss FC-102 regulate motor speed by adjusting output frequency and voltage. This allows HVAC systems to operate only at the speed required, improving efficiency while reducing energy use, vibration and wear on mechanical components.
The FC-102 series is designed specifically for HVAC installations, with control functions developed for pumps, fans and compressors. Its protected enclosure, graphical interface and integrated disconnect support straightforward installation, commissioning and maintenance in modern building management and industrial HVAC systems.
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| Power | 4 kW | |
|---|---|---|
| Voltage | 480 V | |
| Phase | Three Phase | |
| IP Rating | IP55 | |
| EMC Filter | Commercial | |
| Series | VLT® HVAC Drive FC-102 | |
| Part Number | 131B7574 | |
| Model Code | FC-102P4K0T4P55H3XGX1XXSXXXXAXBXCXXXXDX | |
| Product type | AC variable frequency drive | |
| Rated output power | 4.0 kW | |
| Horsepower | 5.5 HP | |
| Input voltage | 380–480 V AC | |
| Input phases | 3-phase | |
| Frequency | 50 / 60 Hz | |
| Protection rating | IP55 / Type 12 backplate | |
| EMC / RFI filter | Class A1/B (C1) | |
| Brake chopper | No | |
| Control panel | Graphical Local Control Panel | |
| PCB coating | Not coated | |
| Mains disconnect | Integrated | |
| Frame size | A5 | |
| Dimensions (H × W × D) | approx. 420 × 242 × 200 mm | |
| Weight | approx. 13.3 kg |
This drive is used to control AC motor speed in HVAC applications such as fans, pumps, compressors, air handling units and ventilation systems.
The Danfoss 131B7574 is rated for motors up to approximately 4.0 kW / 5.5 HP.
The drive operates from a three-phase 380–480 V AC supply.
The 131B7574 features an IP55 / Type 12 backplate enclosure, making it suitable for demanding commercial and industrial HVAC environments.
Yes, this model includes an integrated mains disconnect for improved safety, isolation and ease of maintenance.
Danfoss VLT® HVAC drives are widely used by building services engineers, facilities teams and HVAC specialists to deliver efficient motor control, reliable operation and reduced energy consumption across modern heating, ventilation and cooling systems.
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