We use cookies to make your experience better. To comply with the new e-Privacy directive, we need to ask for your consent to set the cookies. Learn more.
134F4266 Danfoss VLT HVAC Drive 315KW/450HP 380-480VAC IP54
MPN: 134F4266
Alt. SKU: FC-102N315T4E54H2XGCXXXSXXXXAXBXCXXXXDX
Special Price
£24,744.60
£20,620.50
Regular Price
£32,992.80
This product replaces this item:
Why Choose the Danfoss 134F4266 VLT® HVAC Drive?
The Danfoss 134F4266 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 134F4266 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 315 kW / 450 HP and a three-phase 380-480 V AC supply, the Danfoss 134F4266 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.
- 315 kW / 450 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 A2 (C3) 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.
- 315 kW / 450 HP rated output power.
- 588 A continuous output current.
- 647 A intermittent output current.
- Three-phase 380-480 V AC input supply.
- IP54 / Type 12 enclosure.
- RFI Class A2 (C3) 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 C1 option and no D option.
- No mains option and latest release standard software.
- Frame size D2H for high-power HVAC installations.
Technical Specifications
- Manufacturer: Danfoss
- Series: VLT® HVAC Drive FC-102
- Model: FC-102N315T4E54H2XGCXXXSXXXXAXBXCXXXXDX
- Part Number: 134F4266
- Product type: Variable speed drive / frequency converter
- Rated output power: 315 kW / 450 HP
- Continuous output current: 588 A
- Intermittent output current: 647 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 A2 (C3)
- Brake chopper: No brake chopper
- Local control panel: Graphical LCP
- A option: No A option
- B option: No B option
- C1 option: No C1 option
- D option: No D option
- PCB coating: Coated PCB
- Mains option: No mains option
- Dimensions (H × W × D): approx. 1060 × 420 × 378 mm
- Net weight: approx. 125 kg
- EAN: 5710107441181
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 134F4266 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.
Frequently Asked Questions
What is the Danfoss 134F4266 used for?
The Danfoss 134F4266 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 315 kW / 450 HP motor control applications.
What supply voltage does the drive require?
The 134F4266 operates from a three-phase 380-480 V AC supply.
Does the Danfoss 134F4266 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.
| Manufacturer Part Number | 134F4266 |
|---|---|
| Barcode | 5710107441181 |
| Height | 1060mm |
| Width | 420mm |
| Depth | 378mm |
| Filter | Filter Included |
| Input Phases | Three Phase |
| Degree of protection (IP) | IP54 |
| KW Rating | 315kW |
| Output Phases | Three phase |
| VSD Range | Danfoss VLT FC102 |
| Manufacturer | Danfoss |
| Alternative Product SKU | FC-102N315T4E54H2XGCXXXSXXXXAXBXCXXXXDX |
Write Your Own Review
The VLT HVAC drive has built-in intelligence to give optimal process control to heating, ventilation and air conditioning (HVAC). It is simple to use and extremely cost-efficient, featuring a number of functions that are ideal for use with pumps, fans and compressors to save energy, meet environmental regulations and reduce costs in modern buildings.
The VLT HVAC drive has a compact, robust design and is ideally suited to locations where space is restricted. A selection of safety features, such as Safe Torque Off and Safe Maximum Speed, protect both applications and their operators.
Enclosures can be purchased separately, up to IP66, and an additional option available upon purchase is a unique coating to provide added protection for the circuit boards. Integrated DC chokes and RFI filters safeguard installations by minimizing harmonic distortion and electromagnetic.
Supply voltages and power range
3 x 200-240 V...1.1-45 kW
3 x 380-480 V...1.1 kW – 1 MW
3 x 525-600 V...1.1-90 kW
3 x 525-690 V...45 kW – 1.4 MW
Low harmonic drive
3 x 380-480 V...132-710 kW
12-pulse drive
3 x 380-480 V...250-200kW
Features and benefits
- There’s no need for external cooling or oversizing as the maximum ambient temperature is 50°C without derating
- PLC capacity is often unnecessary thanks to the Smart Logic Controller
- A low initial investment and easy upgrades are possible thanks to the modular concept with a wide range of options
- The need for external control and conversion equipment is avoided due to integrated pump, fan and compressor functionality
- 5–15% energy is saved as a result of the Automatic Energy Optimization function
- Less gateway solutions are needed thanks to a wide range of HVAC protocols for building management system controller connectivity
Applications
Pumps, fans, compressors.
PC tools
VLT® Motion Control Tool MCT 10
VLT® Motion Control Tool MCT 31
Danfoss ecoSmart
Danfoss HCS (Harmonic Calculation Software)
Danfoss Servo Sizer
VLT® Energy Box
For further information on this product please get in touch with our team or visit the Danfoss website.
