Danfoss 135X2520 VLT HVAC Drive FC-102, a 22 kW three-phase AC variable frequency drive designed for HVAC motor control, building automation and energy-efficient pump, fan and compressor operation.
£3,232.80
The Danfoss 135X2520 is a robust and efficient AC variable frequency drive (VFD) from the Danfoss VLT® HVAC Drive FC-102 series, designed for heating, ventilation and air conditioning applications. Built for reliable motor speed control, it helps optimise pumps, fans, compressors and air handling equipment across commercial and industrial building services.
This drive combines dedicated HVAC functionality with integrated filtering, safety functionality and building automation connectivity. The FC-102 platform is engineered to reduce energy consumption, improve system reliability and support straightforward commissioning in modern HVAC installations.
With a rated output power of 22 kW and a three-phase 380-480 V AC supply, the Danfoss 135X2520 is suitable for larger HVAC motor applications. Its IP55 / Type 12 backplate enclosure provides enhanced protection for demanding plant room and building services environments.
Variable frequency drives such as the Danfoss FC-102 regulate motor speed by adjusting output voltage and frequency. This allows HVAC systems to match motor output to real system demand, helping reduce energy consumption while improving comfort control and reducing wear on motors, pumps and fans.
The Danfoss VLT® HVAC Drive FC-102 series is engineered for building services and industrial HVAC applications. Its HVAC-focused control functions, graphical interface and PROFINET communication make it suitable for building management systems, plant rooms and energy-saving retrofit projects.
| Power | 22 kW |
|---|---|
| Voltage | 480 V |
| Phase | Three Phase |
| IP Rating | IP55 |
| Series | VLT® HVAC Drive FC-102 |
| Part number | 135X2520 |
| Product type | AC variable frequency drive |
| Rated output power | 22 kW |
| Horsepower rating | 30 HP |
| Continuous current | 40 A |
| Input voltage | 380-480 V AC |
| Input phases | 3-phase |
| Frequency | 50 / 60 Hz |
| Protection rating | IP55 / Type 12 backplate |
| Frame size | B2 |
| RFI filter | Class A1/B (C1) |
| Safety function | Safe Stop |
| Control panel | Graphical Local Control Panel |
| PCB coating | Not coated |
| Mains option | No mains option |
| Cable entry | Standard cable entries |
| Dimensions (H × W × D) | approx. 664 × 243 × 261 mm |
| Weight | approx. 29.8 kg |
| EAN | 5710108388157 |
| EMC Filter | Commercial |
This drive is used to control three-phase AC motors in HVAC applications such as fans, pumps, compressors, air handling units and building services systems.
The Danfoss 135X2520 supports motors with a rated output power of approximately 22 kW.
The drive operates from a three-phase 380-480 V AC supply.
Yes. The Danfoss 135X2520 includes the PROFINET MCA 120 communication option for integration with automation and building control systems.
Yes. The drive includes Safe Stop functionality for safety-related motor control integration.
Danfoss VLT® HVAC drives are widely used by facilities engineers, HVAC contractors and building automation specialists to deliver reliable motor control, improved energy efficiency and dependable operation in modern building services.
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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...