Danfoss 135N8853 VLT HVAC Drive FC 102, a 7.5 kW three-phase AC variable speed drive designed for HVAC pumps, fans, compressors and building services applications with IP55 protection and BACnet/IP communication.
The Danfoss 135N8853 is a reliable and energy-efficient AC variable speed drive (VSD) from the Danfoss VLT HVAC Drive FC 102 series, designed specifically for heating, ventilation and air conditioning applications. It provides precise motor speed control for pumps, fans and compressors, helping improve HVAC system performance while reducing energy consumption in commercial and industrial buildings.
As part of the FC 102 HVAC drive range, this model combines dedicated HVAC functionality with straightforward commissioning and dependable operation. Its integrated control features make it suitable for building services applications where efficient motor management, communication flexibility and robust environmental protection are required.
With a rated output power of 7.5 kW / 10 HP, a three-phase 380–480 V AC supply and an IP55 / Type 12 enclosure, the 135N8853 is ideal for protected HVAC installations requiring BACnet/IP connectivity, local isolation and dependable variable speed control.
Key Advantages
Dedicated HVAC variable speed drive for pumps, fans and compressors.
7.5 kW / 10 HP power rating for building services applications.
Three-phase 380–480 V AC input for commercial and industrial power systems.
IP55 / Type 12 enclosure for protected HVAC environments.
Integrated RFI Class A1/B (C1) filter for EMC performance.
MCA 125 BACnet/IP communication option for building management integration.
Mains disconnect included for convenient local isolation and maintenance.
Key Features
Danfoss VLT HVAC Drive FC 102 series.
7.5 kW / 10 HP rated output power.
Three-phase 380–480 V AC input supply.
IP55 / Type 12 enclosure rating.
A5 frame size.
No brake chopper.
Integrated RFI Class A1/B (C1) filter.
MCA 125 BACnet/IP fieldbus option.
Graphical Local Control Panel included.
No B option.
Not coated PCB.
Mains disconnect fitted.
Efficient Motor Control for HVAC Systems
The Danfoss VLT HVAC Drive FC 102 is engineered to regulate motor speed according to actual system demand. By controlling pumps, fans and compressors more accurately, it helps reduce wasted energy, improve comfort control and minimise mechanical stress on connected HVAC equipment.
The 135N8853 is particularly suitable for HVAC installations that require a protected IP55 enclosure, integrated mains isolation and BACnet/IP communication for building management systems. Its graphical control panel supports simple setup, monitoring and fault diagnostics, making it a practical choice for facilities teams, building services engineers and system integrators.
Typical Applications
HVAC air handling units.
Commercial ventilation systems.
Heating and chilled water pumps.
Cooling towers and condenser pumps.
Fan and blower applications.
Compressors and refrigeration plant.
BACnet/IP building management system applications.
Technical Specifications
Power
7.5 kW
Voltage
480 V
Phase
Three Phase
IP Rating
IP55
Series
VLT HVAC Drive FC 102
Part number
135N8853
Model code
FC-102P7K5T4E55H3XGX1XXSXXXXAKBXCXXXXDX
Product type
AC variable speed drive
Rated output power
7.5 kW / 10 HP
Input voltage
380–480 V AC
Input phases
Three phase
Output phases
Three phase
Protection rating
IP55 / Type 12
RFI filter
Class A1/B (C1)
Brake chopper
No
A option
MCA 125 BACnet/IP
B option
No B option
Control panel
Graphical Local Control Panel
PCB protection
Not coated PCB
Frame size
A5
Dimensions (H × W × D)
approx. 420 × 242 × 200 mm
Weight
approx. 12.86 kg
EAN
5710108250485
EMC Filter
Commercial
Frequently Asked Questions
What is the Danfoss 135N8853 used for?
The 135N8853 is used to control the speed of three-phase AC motors in HVAC applications, including pumps, fans, compressors and ventilation equipment.
What motor power is supported by this drive?
This drive is rated for 7.5 kW / 10 HP motor control applications.
What supply voltage does the drive require?
The Danfoss 135N8853 operates from a three-phase 380–480 V AC supply.
What enclosure rating does the 135N8853 have?
This model has an IP55 / Type 12 enclosure, making it suitable for protected HVAC and building services installations.
Does this drive support BACnet/IP communication?
Yes, the 135N8853 includes the MCA 125 BACnet/IP communication option for integration with building management and automation systems.
Trusted by HVAC and Building Services Engineers Worldwide
Danfoss VLT HVAC drives are trusted by building services engineers, facilities teams and system integrators to deliver efficient motor control, reliable HVAC operation and reduced energy usage across modern commercial and industrial installations.
Power
7.5 kW
Voltage
480 V
Phase
Three Phase
IP Rating
IP55
Series
VLT HVAC Drive FC 102
Part number
135N8853
Model code
FC-102P7K5T4E55H3XGX1XXSXXXXAKBXCXXXXDX
Product type
AC variable speed drive
Rated output power
7.5 kW / 10 HP
Input voltage
380–480 V AC
Input phases
Three phase
Output phases
Three phase
Protection rating
IP55 / Type 12
RFI filter
Class A1/B (C1)
Brake chopper
No
A option
MCA 125 BACnet/IP
B option
No B option
Control panel
Graphical Local Control Panel
PCB protection
Not coated PCB
Frame size
A5
Dimensions (H × W × D)
approx. 420 × 242 × 200 mm
Weight
approx. 12.86 kg
EAN
5710108250485
EMC Filter
Commercial
No documents available for this product.
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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...