134U3350 Danfoss VLT HVAC Drive 3.0KW/4.0HP 380-480VAC IP66

Why Choose the Danfoss 134U3350 VLT HVAC Drive?

The Danfoss 134U3350 is a durable VLT® HVAC Drive FC-102 variable frequency drive (VFD) designed for precise and energy-efficient motor speed control in heating, ventilation and air conditioning systems. Built for demanding HVAC environments, this drive helps optimise fan, pump and refrigeration performance while reducing energy consumption and mechanical wear.

As part of the proven Danfoss VLT® HVAC Drive FC-102 series, the 134U3350 provides dedicated HVAC functionality, dependable motor control and straightforward commissioning. Its robust drive platform is suitable for commercial buildings, plant rooms and building services applications requiring stable and repeatable performance.

With a rated output power of 3.0 kW / 4.0 HP and a three-phase 380–480 V AC supply, the Danfoss 134U3350 is ideal for HVAC motors used in ventilation, pumping and air handling systems. The IP66 / NEMA 4X A5 frame enclosure provides high environmental protection, while the integrated mains disconnect supports safe isolation and maintenance.

Key Advantages

• Dedicated variable frequency drive for HVAC applications.
• 3.0 kW / 4.0 HP motor power rating for fan, pump and compressor systems.
• Three-phase 380–480 V AC input for commercial and industrial supplies.
• IP66 / NEMA 4X enclosure for demanding installation environments.
• RFI Class A1/B (C1) filtering for EMC compliance.
• Mains disconnect fitted for convenient local isolation.
• Graphical local control panel for simple setup, monitoring and commissioning.

Key Features

• Danfoss VLT® HVAC Drive FC-102 series.
• 3.0 kW / 4.0 HP rated output power.
• Three-phase 380–480 V AC input supply.
• IP66 / NEMA 4X A5 frame enclosure.
• RFI Class A1/B (C1) EMC filtering.
• No brake chopper fitted.
• No A option and no B option fitted.
• Graphical local control panel included.
• Not coated PCB configuration.
• Mains disconnect fitted.

Technical Specifications

• Manufacturer: Danfoss
• Series: VLT® HVAC Drive FC-102
• Model: 134U3350
• Model code: FC-102P3K0T4E66H3XGX1OXSXXXXAXBXCXXXXDX
• Product type: AC variable frequency drive
• Rated output power: 3.0 kW / 4.0 HP
• Input voltage: 380–480 V AC
• Input phases: Three phase
• Frequency: 50 / 60 Hz
• Protection rating: IP66 / NEMA 4X
• Frame size: A5
• EMC / RFI filter: RFI Class A1/B (C1)
• Brake chopper: No brake chopper
• A option: No A option
• B option: No B option
• Control panel: Graphical local control panel
• PCB coating: Not coated PCB
• Mains option: Mains disconnect
• C1 option: No C1 option
• D option: No D option
• Mounting type: Wall or machine mounting
• Application: HVAC, ventilation, heating, pumps and refrigeration motor control

Efficient Motor Control for HVAC Systems

Variable frequency drives such as the Danfoss VLT® HVAC Drive FC-102 regulate motor speed by adjusting output frequency and voltage. This enables HVAC equipment to operate according to actual demand, improving energy efficiency while reducing wear on motors, fans, pumps and connected mechanical components.

The FC-102 range is developed for HVAC engineers, building services contractors and facilities teams requiring stable and dependable motor control. Its HVAC-focused design supports comfortable building operation, reduced running costs and long-term reliability across demanding commercial and industrial environments.

Typical Applications

• HVAC fan speed control.
• Air handling units and ventilation systems.
• Heating and cooling circulation pumps.
• Refrigeration and condenser systems.
• Commercial building services.
• Industrial HVAC installations.
• Booster pump and pressure control systems.
• Building management and automation systems.

Trusted by HVAC Engineers Worldwide

Danfoss VLT® HVAC Drives are widely used by building services engineers, system integrators and facilities teams to deliver efficient, reliable and precise motor control for HVAC equipment in commercial and industrial installations.