135X9375 Danfoss VLT HVAC Drive 5.5KW/7.5HP 380-480VAC IP55

Why Choose the Danfoss 135X9375 VLT® HVAC Drive?

The Danfoss 135X9375 is a reliable and energy-efficient AC variable frequency drive (VFD) from the Danfoss VLT® HVAC Drive FC-102 series, designed specifically for heating, ventilation, air conditioning and refrigeration applications. Engineered for accurate motor speed control, it helps optimise fan, pump and compressor performance across commercial and industrial HVAC systems.

As part of the advanced Danfoss FC-102 HVAC drive range, this unit combines dedicated HVAC functionality with robust power electronics and flexible communication options. It supports efficient system operation by matching motor speed to actual demand, helping reduce energy consumption, mechanical stress and overall operating costs.

With a rated output power of 5.5 kW / 7.5 HP and a three-phase 380–480 V AC supply, the Danfoss 135X9375 is ideal for small to medium HVAC motor applications. Its IP55 / Type 12 backplate enclosure provides protected installation, while the PROFINET MCA 120 option enables integration with compatible industrial automation networks.

Key Advantages

• Dedicated HVAC variable frequency drive for fans, pumps and compressors.
• 5.5 kW / 7.5 HP motor power rating for efficient HVAC applications.
• Three-phase 380–480 V AC input suitable for industrial power systems.
• IP55 / Type 12 backplate enclosure for protected installation environments.
• RFI Class A1/B (C1) filter for improved electromagnetic compatibility.
• Safe Stop functionality for enhanced operational safety.
• PROFINET MCA 120 communication option for automation networks.
• Graphical local control panel for easy commissioning and monitoring.

Key Features

• Danfoss VLT® HVAC Drive FC-102 series.
• 5.5 kW / 7.5 HP rated output power.
• Three-phase 380–480 V AC input supply.
• IP55 / Type 12 protection rating.
• A5 frame size.
• RFI Class A1/B (C1) filter.
• Safe Stop configuration.
• Graphical local control panel included.
• Not coated PCB.
• No B option, no C1 option and no D option.
• PROFINET MCA 120 A option.
• Latest release standard software.

Technical Specifications

• Manufacturer: Danfoss
• Series: VLT® HVAC Drive FC-102
• Model: 135X9375
• Full model code: FC-102P5K5T4P55H1TGXXXXSXXXXALBXCXXXXDX
• Product type: AC variable frequency drive
• Rated output power: 5.5 kW / 7.5 HP
• Input voltage: 380–480 V AC
• Input phases: 3-phase
• Application range: HVAC, ventilation, heating and refrigeration
• Protection rating: IP55 / Type 12 Backplate
• Frame size: A5
• RFI filter: Class A1/B (C1)
• Safety function: Safe Stop
• Control panel: Graphical Local Control Panel
• PCB coating: Not coated
• A option: PROFINET MCA 120
• B option: No B option
• C1 option: No C1 option
• D option: No D option
• Software: Latest release standard software

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 in line with actual system demand, reducing unnecessary energy use while improving process stability and comfort control.

The Danfoss 135X9375 is well suited to building services and industrial HVAC installations where dependable fan, pump and compressor control is required. Its IP55 enclosure, graphical control panel and PROFINET communication option make it a practical choice for modern automation and climate control systems.

Typical Applications

• HVAC fan speed control.
• Air handling units and ventilation systems.
• Heating and cooling plant equipment.
• Commercial pump control.
• Refrigeration and compressor applications.
• Building management and automation systems using PROFINET.
• Industrial climate control systems.

Trusted by HVAC Engineers Worldwide

Danfoss VLT® HVAC Drives are widely used by building services engineers, facilities teams and automation professionals to deliver efficient motor control, reduced energy consumption and dependable HVAC performance.