Danfoss 131B7639 VLT HVAC Drive FC 102, a 1.1 kW / 1.5 HP three phase AC variable frequency drive with 380-480 V AC input, IP66 / NEMA 4X protection, RFI Class A2 filter and graphical local control panel.
£781.60
The Danfoss 131B7639 is a robust and energy-efficient AC variable frequency drive (VFD) designed for precise motor speed control in HVAC, ventilation, pump and building services applications. As part of the trusted Danfoss VLT HVAC Drive FC 102 series, it is engineered to optimise the performance of motors used in heating, ventilation, air conditioning and refrigeration systems.
This frequency converter provides advanced motor control functionality while helping reduce energy consumption, mechanical stress and operating costs. The VLT FC 102 platform is specifically developed for HVAC environments, offering reliable operation, intuitive control and flexible system integration for commercial and industrial installations.
With a rated output power of 1.1 kW / 1.5 HP and a three-phase 380–480 V AC supply, the Danfoss 131B7639 is suitable for HVAC motor control duties in fans, pumps and ventilation systems. Its IP66 / NEMA 4X enclosure, graphical local control panel and integrated RFI Class A2 filter make it ideal for installations requiring durability, EMC performance and dependable operation.
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 fans, pumps, compressors and ventilation equipment to match demand more accurately, improving energy efficiency and reducing unnecessary mechanical wear.
The FC 102 series is purpose-built for HVAC applications, supporting efficient operation in air handling units, cooling systems, heating plant, ventilation systems and building automation environments. Its rugged IP66 enclosure and integrated EMC filtering make it a dependable choice for demanding installations.
| Power | 1.1 kW |
|---|---|
| Voltage | 480 V |
| Phase | Three Phase |
| IP Rating | IP66 |
| Series | VLT HVAC Drive FC 102 |
| Product type | AC variable frequency drive |
| Rated output power | 1.1 kW / 1.5 HP |
| Continuous output current | 3.0 A |
| Intermittent output current | 3.3 A |
| Input voltage | 380–480 V AC |
| Input phases | 3-phase |
| Output phases | 3-phase |
| Mains frequency | 50 / 60 Hz |
| Protection rating | IP66 / NEMA 4X |
| RFI filter | Class A2 (C3) |
| Brake chopper | No brake chopper |
| Control panel | Graphical local control panel |
| PCB coating | Not coated PCB |
| Mains option | No mains option |
| Frame size | A5 |
| Weight | approx. 14.3 kg |
| EMC Filter | Industrial |
This drive is used to control the speed of three-phase AC motors in HVAC, ventilation, pump and building services applications.
The Danfoss 131B7639 supports motors with a rated output power of approximately 1.1 kW / 1.5 HP.
The 131B7639 operates from a three-phase 380–480 V AC supply.
This model has an IP66 / NEMA 4X enclosure, making it suitable for demanding installation environments requiring enhanced protection.
No, this configuration is supplied with no brake chopper.
Danfoss VLT HVAC Drive FC 102 frequency converters are widely used by building services engineers, HVAC contractors and facilities teams to deliver efficient, reliable and precise motor control in commercial and industrial environments.
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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...