Danfoss 134X2125 VLT HVAC Drive FC 102, a 7.5 kW three phase variable speed drive designed for HVAC pumps, fans, compressors and building automation systems.
£1,948.00
The Danfoss 134X2125 is a robust and energy-efficient AC variable speed drive (VSD) from the Danfoss VLT® HVAC Drive FC 102 series, designed specifically for heating, ventilation, air conditioning and refrigeration applications. It provides precise motor speed control for pumps, fans, compressors and air handling systems in commercial buildings, industrial facilities and plant room environments.
As part of the proven FC 102 HVAC drive range, this frequency converter combines dedicated HVAC functionality with dependable motor control, helping reduce energy consumption, improve system stability and lower operating costs. Its protected enclosure, fieldbus communication and integrated isolation options make it suitable for demanding HVAC installations where reliability and easy maintenance are essential.
With a rated output power of 7.5 kW (10 HP) and a three-phase 380–480 V AC supply, the Danfoss 134X2125 is ideal for small to medium HVAC motor applications. The drive features an IP66 / NEMA 4X enclosure, integrated Safe Stop, RFI Class A1/B filtering, BACnet MCA 109 communication, coated PCB protection and a mains disconnect for practical installation and long-term performance.
Variable speed drives such as the Danfoss VLT® HVAC Drive FC 102 regulate motor speed by adjusting output voltage and frequency. This allows HVAC equipment to operate according to real system demand, helping reduce energy usage while improving airflow, pressure and temperature control.
The 134X2125 is particularly suitable for HVAC installations requiring a protected outdoor-capable enclosure, building automation communication and convenient local isolation. Its BACnet option supports integration with compatible BMS platforms, while the coated PCB and IP66 / NEMA 4X enclosure help support dependable operation in challenging environments.
| Power | 7.5 kW |
|---|---|
| Current | 14.5 A |
| Voltage | 480 V |
| Phase | Three Phase |
| IP Rating | IP66 |
| Series | VLT® HVAC Drive FC 102 |
| Alternative model code | FC-102P7K5T4E66H3TGC1XXSXXXXAJBXCXXXXDX |
| Product type | Variable speed drive / frequency converter |
| Rated output power | 7.5 kW |
| Horsepower rating | 10 HP |
| Current rating | 14.5 A |
| Input voltage | 380–480 V AC |
| Input phases | Three-phase |
| Frequency | 50 / 60 Hz |
| Protection rating | IP66 / NEMA 4X |
| RFI filter | Class A1/B (C1) |
| Safety function | Safe Stop |
| A option | BACnet MCA 109 |
| B option | No B option |
| Local control panel | Graphical LCP |
| PCB coating | Coated PCB |
| Mains option | Mains disconnect |
| Frame size | A5 |
| Dimensions (H × W × D) | approx. 420 × 242 × 200 mm |
| Net weight | approx. 13.2 kg |
| EAN | 5710108082277 |
| Mounting type | Wall / panel mounting |
| EMC Filter | Commercial |
The Danfoss 134X2125 is used to control the speed of HVAC motors, including those used on fans, pumps, compressors and air handling equipment.
This drive is rated for approximately 7.5 kW (10 HP) motor control applications.
The 134X2125 operates from a three-phase 380–480 V AC supply.
The drive has an IP66 / NEMA 4X enclosure, making it suitable for demanding HVAC and plant room environments requiring strong environmental protection.
Yes. This configuration includes BACnet MCA 109, allowing integration with compatible building automation and BMS platforms.
Danfoss VLT® HVAC drives are trusted by building services engineers, facilities managers and automation specialists for efficient motor control, reliable operation and seamless integration into modern HVAC systems.
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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...