134F4251 Danfoss VLT® HVAC Drive FC-102 160kW/250 380 - 480 VAC IP21

Why Choose the Danfoss 134F4251 VLT® HVAC Drive FC 102?

The Danfoss 134F4251 is a powerful and efficient VLT® HVAC Drive FC 102 variable frequency drive designed for precise control of AC motors in heating, ventilation, air conditioning and refrigeration systems. As part of the advanced Danfoss VLT® HVAC Drive FC 102 series, it is engineered for demanding building services and industrial HVAC applications requiring dependable motor speed control.

This drive helps optimise energy use by matching motor speed to system demand, reducing unnecessary power consumption in pumps, fans, compressors and air handling equipment. The FC 102 platform includes dedicated HVAC functionality, intelligent control features and robust protection options to support reliable long-term operation.

With a rated output power of 160 kW / 250 HP and a three-phase 380–480 V AC supply, the 134F4251 is suitable for high-power HVAC installations. Its IP21 / Type 1 enclosure, graphical local control panel and coated PCB design make it well suited to professional plant room, building automation and industrial control environments.

Key Advantages

• High-performance variable frequency drive for HVAC motor control.
• 160 kW / 250 HP power rating for large pumps, fans and HVAC systems.
• Three-phase 380–480 V AC input for industrial and commercial power networks.
• IP21 / Type 1 enclosure suitable for protected indoor installations.
• Integrated RFI class A1 (C2) filter for reduced electrical interference.
• Graphical local control panel for easier commissioning, monitoring and operation.

Key Features

• Danfoss VLT® HVAC Drive FC 102 series.
• 160 kW / 250 HP rated output power.
• Three-phase 380–480 V AC mains supply.
• IP21 / Type 1 enclosure rating.
• RFI class A1 (C2) filter.
• No brake chopper configuration.
• Graphical local control panel included.
• Coated PCB for improved environmental protection.
• Frame size D1H.

Technical Specifications

• Manufacturer: Danfoss
• Series: VLT® HVAC Drive FC 102
• Model: FC-102N160T4E21H4XGCXXXSXXXXAXBXCXXXXDX
• SKU: 134F4251
• Product type: AC variable frequency drive
• Rated output power: 160 kW / 250 HP
• Input voltage: 380–480 V AC
• Input phases: 3-phase
• Drive application: HVAC motor control
• Protection rating: IP21 / Type 1
• RFI filter: Class A1 (C2)
• Brake chopper: No brake chopper
• Control panel: Graphical local control panel
• PCB protection: Coated PCB
• Frame size: D1H

Efficient Motor Control for HVAC Systems

Variable frequency 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-time system demand, improving energy efficiency while reducing mechanical wear on motors, pumps and fans.

The FC 102 series is designed specifically for HVAC environments, offering dedicated control functions for ventilation, heating, refrigeration and building automation systems. Its robust construction, graphical interface and flexible configuration options make it a dependable choice for modern commercial and industrial installations.

Typical Applications

• Air handling units and ventilation systems.
• Commercial HVAC fan control.
• Heating and cooling pump systems.
• Chillers and refrigeration plant equipment.
• Building management and automation systems.
• Industrial HVAC and process ventilation applications.

Trusted by HVAC Engineers Worldwide

Danfoss VLT® HVAC Drive FC 102 drives are widely used by building services engineers, HVAC contractors and industrial automation specialists to deliver reliable motor control, efficient operation and long-term system performance.