Danfoss 134F4264 VLT HVAC Drive FC-102 variable speed drive rated at 250 kW / 350 HP, designed for HVAC motor control with three phase 380-480 V AC input, IP54 enclosure, RFI Class A1 filter and coated PCB.
The Danfoss 134F4264 is a high-power VLT® HVAC Drive FC-102 variable speed drive designed for efficient AC motor control in heating, ventilation, air conditioning and refrigeration systems. Built for demanding commercial and industrial HVAC applications, this drive helps optimise system performance, reduce energy consumption and minimise mechanical stress on connected motors and driven equipment.
As part of the proven Danfoss FC-102 HVAC Drive series, the 134F4264 combines dedicated HVAC functionality with robust construction and advanced motor control. It is ideal for building services engineers, HVAC contractors and maintenance teams requiring dependable speed control for large fans, pumps, compressors and air handling systems.
With a rated output power of 250 kW / 350 HP and a three-phase 380-480 V AC supply, the Danfoss 134F4264 is designed for large-scale HVAC motor applications. Its IP54 / Type 12 enclosure, coated PCB construction and integrated RFI filter make it suitable for demanding protected installation environments.
Key Advantages
High-power HVAC variable speed drive for large fans, pumps and compressors.
250 kW / 350 HP power rating for demanding motor control applications.
Three-phase 380-480 V AC input suitable for industrial power systems.
IP54 / Type 12 enclosure for protected HVAC installation environments.
Integrated RFI Class A1 (C2) filter for EMC performance.
Coated PCB for improved reliability in demanding conditions.
Energy-saving operation helps reduce HVAC running costs and equipment wear.
Key Features
Danfoss VLT® HVAC Drive FC-102 series.
250 kW / 350 HP rated output power.
443 A continuous output current.
487 A intermittent output current.
Three-phase 380-480 V AC input supply.
IP54 / Type 12 enclosure.
RFI Class A1 (C2) filter.
No brake chopper configuration.
Graphical Local Control Panel for setup and monitoring.
Coated PCB for enhanced environmental protection.
No A option and no B option configuration.
No mains option and latest release standard software.
Frame size D2H for high-power HVAC installations.
Efficient Motor Control for Large HVAC Systems
The Danfoss FC-102 HVAC Drive adjusts motor speed to match actual system demand, helping reduce energy usage while improving process control, comfort and equipment reliability. By avoiding unnecessary full-speed operation, the drive can reduce wear on motors, bearings, belts, fans and pumps.
The 134F4264 configuration is particularly suited to large HVAC installations where high output power, enclosure protection, EMC performance and long-term reliability are important. With HVAC-focused functionality and a graphical control panel, it supports efficient operation of ventilation, heating, cooling and refrigeration systems.
Typical Applications
Large HVAC fan control systems.
Industrial ventilation equipment.
Air handling units and building services systems.
Large pump control applications.
Chillers and cooling systems.
Refrigeration and compressor applications.
Cooling tower installations.
Energy-efficient building management systems.
Technical Specifications
Power
250 kW
Voltage
480 V
Phase
Three Phase
IP Rating
IP54
Series
VLT® HVAC Drive FC-102
Part Number
134F4264
Product type
Variable speed drive / frequency converter
Rated output power
250 kW / 350 HP
Continuous output current
443 A
Intermittent output current
487 A
Input voltage
380-480 V AC
Input phases
Three phase
Output phases
Three phase
Protection rating
IP54 / Type 12
Frame size
D2H
RFI filter
Class A1 (C2)
Brake chopper
No brake chopper
Local control panel
Graphical LCP
A option
No A option
B option
No B option
PCB coating
Coated PCB
Mains option
No mains option
Dimensions (H × W × D)
approx. 1060 × 420 × 378 mm
Net weight
approx. 114 kg
EAN
5710107441167
EMC Filter
Commercial
Frequently Asked Questions
What is the Danfoss 134F4264 used for?
The Danfoss 134F4264 is used to control large AC motors in HVAC applications including pumps, fans, ventilation systems, compressors and refrigeration equipment.
What motor power is supported by this drive?
The drive is rated for 250 kW / 350 HP motor control applications.
What supply voltage does the drive require?
The 134F4264 operates from a three-phase 380-480 V AC supply.
Does the Danfoss 134F4264 include a brake chopper?
No, this configuration is supplied with no brake chopper.
What enclosure rating does this drive have?
The drive has an IP54 / Type 12 enclosure, making it suitable for protected commercial and industrial HVAC installation environments.
Trusted by HVAC Engineers Worldwide
Danfoss VLT® HVAC drives are widely used by building services engineers, HVAC specialists and maintenance teams for dependable, energy-efficient motor control in modern heating, ventilation, air conditioning and refrigeration systems.
Power
250 kW
Voltage
480 V
Phase
Three Phase
IP Rating
IP54
Series
VLT® HVAC Drive FC-102
Part Number
134F4264
Product type
Variable speed drive / frequency converter
Rated output power
250 kW / 350 HP
Continuous output current
443 A
Intermittent output current
487 A
Input voltage
380-480 V AC
Input phases
Three phase
Output phases
Three phase
Protection rating
IP54 / Type 12
Frame size
D2H
RFI filter
Class A1 (C2)
Brake chopper
No brake chopper
Local control panel
Graphical LCP
A option
No A option
B option
No B option
PCB coating
Coated PCB
Mains option
No mains option
Dimensions (H × W × D)
approx. 1060 × 420 × 378 mm
Net weight
approx. 114 kg
EAN
5710107441167
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...