Danfoss 134F2129 VLT HVAC Drive FC 102, a 355 kW three-phase AC variable frequency drive designed for HVAC motor control applications including fans, pumps, compressors and refrigeration systems.
£29,112.00
The Danfoss 134F2129 is a high-power AC variable frequency drive (VFD) from the Danfoss VLT® HVAC Drive FC 102 series, designed for precise and energy-efficient motor control in heating, ventilation, air conditioning and refrigeration applications. Engineered for demanding commercial and industrial environments, this drive provides reliable speed control for large fans, pumps, compressors and HVAC plant equipment.
The VLT HVAC Drive FC 102 range includes built-in intelligence for optimised HVAC process control, helping improve system efficiency, reduce energy consumption and support dependable operation. Its advanced functionality is ideal for applications where accurate airflow, pressure and temperature control are essential.
With a rated output power of 355 kW (500 HP), a rated output current of 658 A and a three-phase 380–480 V AC supply, the Danfoss 134F2129 is suited to large-scale HVAC and building automation systems. Its IP54 enclosure provides enhanced protection for installation in demanding plant rooms, industrial facilities and engineered drive panels.
Variable frequency drives such as the Danfoss VLT HVAC Drive FC 102 regulate motor speed by adjusting the frequency and voltage supplied to the motor. This allows HVAC equipment to operate according to real system demand, reducing unnecessary energy use while improving airflow, pressure and temperature control.
The FC 102 series is designed for building services and industrial HVAC applications where efficiency, reliability and control precision are essential. Its dedicated HVAC functionality supports fans, pumps and compressors in commercial, municipal and industrial environments.
| Power | 0.75 kW |
|---|---|
| Voltage | 480 V |
| Phase | Three Phase |
| IP Rating | IP54 |
| Series | VLT® HVAC Drive FC 102 |
| Part number | 134F2129 |
| Product type | AC variable frequency drive |
| Rated output power | 355 kW |
| Horsepower rating | 500 HP |
| Rated output current | 658 A |
| Input voltage | 380–480 V AC |
| Input phases | 3-phase |
| Output phases | 3-phase |
| Frequency | 50 / 60 Hz |
| Protection rating | IP54 |
| Drive series | FC 102 HVAC Drive |
| Configuration | Hybrid LHD electrical configuration |
| Filter | Commercial RFI filter |
| Safety function | Safe Stop |
| Protection option | Fuse |
| PCB coating | Coated PCB |
| EMC Filter | None |
The Danfoss 134F2129 is used to control large three-phase AC motors in HVAC applications such as fans, pumps, compressors, ventilation and refrigeration systems.
This drive is rated for approximately 355 kW (500 HP) motor control applications.
The Danfoss 134F2129 provides a rated output current of approximately 658 A.
The Danfoss 134F2129 operates from a three-phase 380–480 V AC supply.
The drive has an IP54 enclosure rating, offering enhanced protection for demanding plant room and industrial environments.
Danfoss VLT® HVAC Drive FC 102 frequency converters are widely used by building services engineers, facilities teams and industrial operators to deliver efficient, reliable and intelligent motor control for modern HVAC systems.
● Service Agreements
Credit Accounts
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
● frequently asked questions
At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
● latest blog
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...