Danfoss 131F5451 VLT HVAC Drive FC-102, a 37 kW three phase AC variable speed drive with IP20 chassis enclosure, RFI Class A2 filter and no brake chopper for HVAC motor control applications.
£3,315.20
The Danfoss 131F5451 is a powerful and efficient AC variable speed drive (VSD) designed for precise motor control in heating, ventilation, air conditioning and refrigeration applications. As part of the advanced Danfoss VLT® HVAC Drive FC-102 series, it is engineered to optimise HVAC system performance while reducing energy consumption and mechanical stress.
This drive provides dedicated HVAC functionality, reliable motor regulation and flexible integration into building automation systems. The FC-102 platform is widely used in commercial buildings, industrial facilities and plant rooms where dependable speed control, straightforward commissioning and long-term energy savings are essential.
With a rated output power of 37 kW and a three-phase 380–480 V AC supply, the 131F5451 is ideal for large fans, pumps, compressors and air handling equipment. Its IP20 / chassis enclosure is designed for protected installation inside electrical cabinets and control panels.
Variable speed drives such as the Danfoss VLT® HVAC Drive FC-102 regulate motor speed by adjusting output frequency and voltage. This enables HVAC equipment to respond accurately to system demand, reducing energy usage while improving comfort control and system performance.
The 131F5451 is well suited to larger HVAC installations requiring dependable motor control and efficient operation. Its IP20 chassis format makes it ideal for engineered control panels, plant rooms and building management systems where space-efficient cabinet installation is required.
| Power | 37 kW |
|---|---|
| Voltage | 480 V |
| Phase | Three Phase |
| IP Rating | IP20 |
| Series | VLT® HVAC Drive FC-102 |
| Model code | FC-102P37KT4E20H2XGXXXXSXXXXAXBXCXXXXDX |
| Product type | AC variable speed drive / frequency converter |
| Rated output power | 37 kW |
| Horsepower rating | 50 HP |
| Continuous output current | 73 A |
| Intermittent output current | 80.3 A |
| Input voltage | 380–480 V AC |
| Input phases | 3-phase |
| Frequency | 50 / 60 Hz |
| Protection rating | IP20 / chassis |
| Frame size | B4 |
| EMC filter | RFI Class A2 (C3) |
| Brake chopper | No brake chopper |
| PCB coating | Not coated PCB |
| Dimensions (H × W × D) | approx. 516 × 229 × 242 mm |
| Weight | approx. 23.8 kg |
| EMC Filter | Industrial |
The Danfoss 131F5451 is used to control the speed of AC motors in HVAC applications such as fans, pumps, air handling units, chillers and refrigeration systems.
The drive supports motors with a rated output power of approximately 37 kW / 50 HP.
The 131F5451 operates from a three-phase 380–480 V AC supply.
The drive has an IP20 / chassis enclosure rating, making it suitable for protected installation inside control panels or electrical cabinets.
No, this configuration is supplied with no brake chopper.
Danfoss VLT® HVAC Drives are trusted by building services engineers, facilities managers and industrial automation professionals for reliable motor control, energy savings and long-term performance in demanding HVAC applications.
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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...