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134F3111 Danfoss VLT HVAC Drive 37KW/50HP 380-480VAC IP55
MPN: 134F3111
Alt. SKU: FC-102P37KT4E55H3TGXXXXSXXXXA0BXCXXXXDX
Why Choose the Danfoss 134F3111 VLT® HVAC Drive?
The Danfoss 134F3111 is a robust and efficient VLT® HVAC Drive FC-102 variable speed drive designed for precise AC motor control in heating, ventilation, air conditioning and refrigeration systems. Built specifically for HVAC applications, this drive helps optimise energy use, improve system performance and reduce mechanical stress on connected motors and driven equipment.
As part of the trusted Danfoss FC-102 HVAC Drive series, the 134F3111 combines dedicated HVAC functionality with reliable protection and advanced communication capability. It is suitable for building services engineers, HVAC contractors and maintenance teams requiring dependable speed control for pumps, fans, compressors and air handling systems.
With a rated output power of 37 kW / 50 HP and a three-phase 380-480 V AC supply, the Danfoss 134F3111 is ideal for medium to large HVAC motor applications. Its IP55 / Type 12 enclosure, Safe Stop function, integrated RFI filter and PROFIBUS DP MCA 101 option make it well suited to modern commercial and industrial HVAC installations.
Key Advantages
- Purpose-built HVAC variable speed drive for pumps, fans and compressors.
- 37 kW / 50 HP power rating for medium to large HVAC motor control applications.
- Three-phase 380-480 V AC input suitable for commercial and industrial power systems.
- IP55 / Type 12 enclosure for enhanced installation protection.
- Integrated RFI Class A1/B (C1) filter for EMC performance.
- Safe Stop functionality supports safer motor stopping.
- PROFIBUS DP MCA 101 communication option for automation network integration.
Key Features
- Danfoss VLT® HVAC Drive FC-102 series.
- 37 kW / 50 HP rated output power.
- Three-phase 380-480 V AC input supply.
- IP55 / Type 12 enclosure.
- RFI Class A1/B (C1) filter.
- Safe Stop configuration.
- Graphical Local Control Panel for easy setup and monitoring.
- PROFIBUS DP MCA 101 communication option.
- No B option configuration.
- Not coated PCB configuration.
- No mains option and latest release standard software.
- Frame size C1 for protected HVAC installations.
Technical Specifications
- Manufacturer: Danfoss
- Series: VLT® HVAC Drive FC-102
- Model: FC-102P37KT4E55H3TGXXXXSXXXXA0BXCXXXXDX
- Part Number: 134F3111
- Product type: Variable speed drive / frequency converter
- Rated output power: 37 kW / 50 HP
- Input voltage: 380-480 V AC
- Input phases: Three phase
- Output phases: Three phase
- Protection rating: IP55 / Type 12
- Frame size: C1
- RFI filter: Class A1/B (C1)
- Safety function: Safe Stop
- Local control panel: Graphical LCP
- A option: PROFIBUS DP MCA 101
- B option: No B option
- C1 option: No C1 option
- D option: No D option
- PCB coating: Not coated PCB
- Mains option: No mains option
- Software: Latest release standard software
Efficient Motor Control for HVAC Systems
The Danfoss FC-102 HVAC Drive adjusts motor speed to match actual system demand, helping reduce energy usage while improving control, comfort and equipment reliability. By avoiding unnecessary full-speed operation, the drive can reduce wear on motors, bearings, belts, fans and pumps.
The 134F3111 configuration is particularly suitable for HVAC installations where protected enclosure design, EMC performance, Safe Stop functionality and PROFIBUS communication are important. With a graphical control panel and HVAC-focused functionality, it supports efficient operation of ventilation, heating, cooling and refrigeration systems.
Typical Applications
- HVAC fan control systems.
- Air handling units and ventilation equipment.
- Commercial heating and cooling systems.
- Building services pumps.
- Refrigeration and compressor applications.
- Cooling tower systems.
- Building management and automation systems.
- Energy-saving HVAC retrofit projects.
Frequently Asked Questions
What is the Danfoss 134F3111 used for?
The Danfoss 134F3111 is used to control AC motor speed in HVAC applications such as fans, pumps, ventilation systems, compressors and refrigeration equipment.
What motor power is supported by this drive?
The drive is rated for 37 kW / 50 HP motor control applications.
What supply voltage does the drive require?
The 134F3111 operates from a three-phase 380-480 V AC supply.
Does the Danfoss 134F3111 include PROFIBUS?
Yes, this configuration includes the PROFIBUS DP MCA 101 communication option for automation network integration.
What enclosure rating does this drive have?
The drive has an IP55 / 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 | 134F3111 |
|---|---|
| Barcode | 5710107428670 |
| Height | 680mm |
| Width | 308mm |
| Depth | 310mm |
| Filter | Filter Included |
| Input Phases | Three Phase |
| Degree of protection (IP) | IP55 |
| KW Rating | 37kW |
| Output Phases | Three phase |
| VSD Range | Danfoss VLT FC102 |
| Manufacturer | Danfoss |
| Alternative Product SKU | FC-102P37KT4E55H3TGXXXXSXXXXA0BXCXXXXDX |
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.
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For further information on this product please get in touch with our team or visit the Danfoss website.