Danfoss 136H4051 VLT HVAC Drive FC 102, an 11 kW three phase AC variable frequency drive designed for HVAC motor control, fans, pumps, compressors and building services applications.
The Danfoss 136H4051 is a reliable and energy-efficient AC variable frequency drive (VFD) from the Danfoss VLT® HVAC Drive FC 102 series. Designed for heating, ventilation and air conditioning applications, this drive provides precise motor speed control for fans, pumps, compressors and building services equipment.
The VLT® HVAC Drive FC 102 range is engineered to optimise HVAC performance while helping reduce energy consumption, mechanical wear and operating costs. With advanced HVAC functionality, integrated RFI filtering, a graphical local control panel and mains disconnect, the 136H4051 is well suited to commercial and industrial HVAC installations.
With a rated output power of 11 kW (15 HP) and a three-phase 380–480 V AC supply, the Danfoss 136H4051 is ideal for medium-duty HVAC motors used in ventilation systems, pumps and plant room equipment. Its IP55 / Type 12 enclosure provides enhanced protection for demanding installation environments.
Key Advantages
Dedicated HVAC variable frequency drive for fans, pumps and compressors.
11 kW motor power rating suitable for commercial HVAC equipment.
Three-phase 380–480 V AC input compatible with industrial power systems.
IP55 / Type 12 enclosure for improved environmental protection.
Integrated RFI Class A1/B (C1) filter for reduced electrical interference.
Graphical Local Control Panel for straightforward commissioning and monitoring.
Mains disconnect included for convenient isolation.
MCB 109 I/O with RTC back-up for expanded control functionality.
Key Features
Danfoss VLT® HVAC Drive FC 102 series.
11 kW (15 HP) rated output power.
21 A continuous output current.
Three-phase 380–480 V AC input supply.
IP55 / Type 12 protection rating.
Integrated RFI Class A1/B (C1) filter.
Graphical Local Control Panel included.
Mains disconnect included.
MCB 109 I/O with RTC back-up.
No brake chopper fitted.
Not coated PCB.
Latest release standard software.
Frame size B1.
Efficient Motor Control for HVAC Systems
Variable frequency drives such as the Danfoss 136H4051 regulate motor speed by adjusting the voltage and frequency supplied to the motor. This allows HVAC systems to match fan or pump output to actual demand, improving efficiency while reducing unnecessary energy use.
The FC 102 series is purpose-built for HVAC applications and supports reliable operation of fans, pumps, compressors, ventilation systems and building automation equipment. With its IP55 enclosure, integrated RFI filtering and useful I/O expansion, this model is a dependable choice for commercial HVAC motor control installations.
Typical Applications
Air handling units and ventilation systems.
Commercial HVAC fans.
Heating and cooling circulation pumps.
Compressor control in HVAC systems.
Building management systems.
Plant room motor control installations.
Industrial ventilation and extraction systems.
Energy-efficient HVAC retrofit projects.
Technical Specifications
Power
11 kW
Voltage
480 V
Phase
Three Phase
IP Rating
IP55
Series
VLT® HVAC Drive FC 102
Catalogue number
FC-102P11KT4E55H3XGX1OXSXXXXAXB0CXXXXDX
Product type
AC variable frequency drive
Rated output power
11 kW
Horsepower rating
15 HP
Output current
21 A
Input voltage
380–480 V AC
Input phases
3-phase
Output phases
3-phase
Frequency
50 / 60 Hz
Protection rating
IP55 / Type 12
RFI filter
Class A1/B (C1)
Brake chopper
Not included
Control panel
Graphical Local Control Panel
Mains option
Mains disconnect
I/O option
MCB 109 I/O with RTC back-up
PCB coating
Not coated
Frame size
B1
Dimensions (H × W × D)
approx. 494 × 243 × 261 mm
Weight
approx. 21.29 kg
EAN
5710108705893
EMC Filter
Commercial
Frequently Asked Questions
What is the Danfoss 136H4051 used for?
The Danfoss 136H4051 is used to control three-phase AC motors in HVAC applications such as fans, pumps, compressors, ventilation systems and building services equipment.
What motor power is supported by this drive?
This drive is rated for motors with an output power of approximately 11 kW (15 HP).
What supply voltage does the Danfoss 136H4051 require?
The drive operates from a three-phase 380–480 V AC supply.
What enclosure rating does this drive have?
The Danfoss 136H4051 has an IP55 / Type 12 enclosure, offering protection suitable for demanding HVAC and industrial environments.
Does this model include additional I/O functionality?
Yes. This configuration includes MCB 109 I/O with RTC back-up, providing additional control and real-time clock functionality for HVAC applications.
Trusted by HVAC Engineers Worldwide
Danfoss VLT® HVAC drives are trusted by building services engineers, contractors and facility managers for reliable motor control, efficient operation and long-term HVAC system performance.
Power
11 kW
Voltage
480 V
Phase
Three Phase
IP Rating
IP55
Series
VLT® HVAC Drive FC 102
Catalogue number
FC-102P11KT4E55H3XGX1OXSXXXXAXB0CXXXXDX
Product type
AC variable frequency drive
Rated output power
11 kW
Horsepower rating
15 HP
Output current
21 A
Input voltage
380–480 V AC
Input phases
3-phase
Output phases
3-phase
Frequency
50 / 60 Hz
Protection rating
IP55 / Type 12
RFI filter
Class A1/B (C1)
Brake chopper
Not included
Control panel
Graphical Local Control Panel
Mains option
Mains disconnect
I/O option
MCB 109 I/O with RTC back-up
PCB coating
Not coated
Frame size
B1
Dimensions (H × W × D)
approx. 494 × 243 × 261 mm
Weight
approx. 21.29 kg
EAN
5710108705893
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...