Danfoss 134G1546 VLT HVAC Drive FC 102 variable frequency drive featuring 18.5 kW output power, three-phase 380–480 V AC supply, IP66 NEMA 4X enclosure, RFI Class A1/B filtering, graphical local control panel, mains disconnect and no brake chopper for HVAC motor control applications.
Why Choose the Danfoss 134G1546 VLT® HVAC Drive FC 102?
The Danfoss 134G1546 is a robust AC variable frequency drive (VFD) from the VLT® HVAC Drive FC 102 series, designed for heating, ventilation, air conditioning and refrigeration applications. It provides efficient motor speed control for pumps, fans and air handling equipment.
With a rated output power of 18.5 kW (25 HP) and a three-phase 380–480 V AC supply, this model features an IP66 / NEMA 4X enclosure, RFI Class A1/B filtering, graphical local control panel, mains disconnect, no brake chopper, no A option, no B option, not coated PCB and a B1 frame.
Key Advantages
Dedicated HVAC variable frequency drive for pumps, fans and ventilation systems.
18.5 kW (25 HP) motor power rating.
Three-phase 380–480 V AC input for commercial and industrial HVAC installations.
IP66 / NEMA 4X enclosure for demanding protected environments.
Mains disconnect for convenient local isolation.
Graphical local control panel for straightforward commissioning and diagnostics.
Typical Applications
Air handling units.
HVAC fan systems.
Heating and chilled water pumps.
Ventilation and extraction systems.
Cooling tower applications.
Building management systems.
Installations requiring IP66 / NEMA 4X protection.
Technical Specifications
Power
18.5 kW
Voltage
480 V
Phase
Three Phase
IP Rating
IP55
Series
VLT® HVAC Drive FC 102
Part Number
134G1546
Rated output power
18.5 kW (25 HP)
Input voltage
380–480 V AC
Input phases
3-phase
Output phases
3-phase
Protection rating
IP66 / NEMA 4X
EMC filter
RFI Class A1/B (C1)
Brake function
No brake chopper
Control panel
Graphical local control panel
Mains option
Mains disconnect
PCB protection
Not coated PCB
Software
Latest release standard software
Frame size
B1
A option
No A option
B option
No B option
C1 option
No C1 option
D option
No D option
EMC Filter
Commercial
Frequently Asked Questions
What is the Danfoss 134G1546 used for?
The Danfoss 134G1546 is used for variable speed control of HVAC motors, including pumps, fans and ventilation equipment.
What motor size can this drive control?
This model is rated for motors up to 18.5 kW (25 HP).
Does it include a mains disconnect?
Yes, this configuration includes a mains disconnect.
What enclosure rating does it have?
The drive features an IP66 / NEMA 4X enclosure.
Does it include a brake chopper?
No, this model is supplied with no brake chopper.
Power
18.5 kW
Voltage
480 V
Phase
Three Phase
IP Rating
IP55
Series
VLT® HVAC Drive FC 102
Part Number
134G1546
Rated output power
18.5 kW (25 HP)
Input voltage
380–480 V AC
Input phases
3-phase
Output phases
3-phase
Protection rating
IP66 / NEMA 4X
EMC filter
RFI Class A1/B (C1)
Brake function
No brake chopper
Control panel
Graphical local control panel
Mains option
Mains disconnect
PCB protection
Not coated PCB
Software
Latest release standard software
Frame size
B1
A option
No A option
B option
No B option
C1 option
No C1 option
D option
No D option
EMC Filter
Commercial
No documents available for this product.
Delivery
We offer fast UK delivery on all stocked items. Orders placed before 3pm Monday to Friday are eligible for next-day delivery.
Standard delivery: 2–3 working days
Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
Returns
If you need to return an item, please contact our sales team within 30 days of receipt. Items must be returned unused in their original packaging.
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
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Stock lines ready to ship
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Customers supported
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
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...