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131B6974 Danfoss VLT FC-102 HVAC Drive 30 KW / 40 HP, 380 - 480 VAC, IP21
MPN: 131B6974
Alt. SKU: FC-102P30KT4E21H3XNXXXXSXXXXAXBXCXXXXDX
Special Price
£2,864.16
£2,386.80
Regular Price
£4,773.60
Why Choose the Danfoss 131B6974 VLT® HVAC Drive FC-102?
The Danfoss 131B6974 is a reliable and energy-efficient AC variable frequency drive (VFD) designed for precise motor speed control in HVAC and building services applications. As part of the trusted Danfoss VLT® HVAC Drive FC-102 series, it is developed specifically for ventilation, heating, air conditioning and refrigeration systems requiring dependable performance and efficient operation.
This drive provides intelligent HVAC motor control functionality while helping reduce energy consumption, lower operating costs and minimise mechanical wear. The FC-102 series is engineered for easy integration into modern building management systems, industrial automation platforms and commercial plant room installations.
With a rated output power of 30 kW / 40 HP and a three-phase 380–480 V AC supply, the Danfoss 131B6974 is ideal for medium-to-large HVAC motors used in pumps, fans, compressors and air handling equipment. Its IP21 / Type 1 enclosure provides suitable protection for indoor panel and plant room installations.
Key Advantages
- Purpose-built HVAC variable frequency drive for commercial and industrial applications.
- 30 kW / 40 HP motor power rating suitable for pumps, fans and compressors.
- Three-phase 380–480 V AC input compatible with industrial power systems.
- IP21 / Type 1 enclosure for indoor installations.
- Integrated RFI Class A1/B (C1) filter for improved electromagnetic compatibility.
- Efficient motor speed control helps reduce energy use, noise and mechanical stress.
Key Features
- Danfoss VLT® HVAC Drive FC-102 series.
- 30 kW rated output power.
- 40 HP motor power rating.
- Three-phase 380–480 V AC input supply.
- IP21 / Type 1 enclosure.
- B2 frame size.
- Integrated RFI Class A1/B (C1) filter.
- No brake chopper configuration.
- Numerical local control panel included.
- Latest release standard software installed.
Technical Specifications
- Manufacturer: Danfoss
- Series: VLT® HVAC Drive FC-102
- Part Number: 131B6974
- Model: FC-102P30KT4E21H3XNXXXXSXXXXAXBXCXXXXDX
- Product type: AC variable frequency drive
- Rated output power: 30 kW / 40 HP
- Input voltage: 380–480 V AC
- Input phases: 3-phase
- Output phases: 3-phase
- Frequency: 50 / 60 Hz
- Protection rating: IP21 / Type 1
- Frame size: B2
- Control panel: Numerical local control panel
- RFI filter: Class A1/B (C1)
- Brake chopper: No brake chopper
- PCB coating: Not coated PCB
- Mains option: No mains option
- Mounting type: Wall / panel mounting
- Application: HVAC fans, pumps and compressors
Reliable HVAC Motor Control and Energy Efficiency
Variable frequency drives such as the Danfoss FC-102 regulate motor speed by adjusting output voltage and frequency. This allows HVAC equipment to run only as fast as required, helping improve energy efficiency, reduce noise and extend the service life of motors and mechanical components.
The FC-102 series is designed for HVAC professionals who require dependable control of ventilation, heating, cooling and pumping systems. Its application-specific functionality supports efficient operation in commercial buildings, industrial facilities and integrated building automation systems.
Typical Applications
- Air handling units and ventilation systems.
- HVAC pumps and circulation systems.
- Cooling towers and condenser fans.
- Compressors and refrigeration equipment.
- Commercial building management systems.
- Industrial HVAC and process cooling applications.
Frequently Asked Questions
What is the Danfoss 131B6974 used for?
This drive is used to control AC motors in HVAC systems, including fans, pumps, compressors, ventilation systems and building automation equipment.
What motor power is supported by this drive?
The Danfoss 131B6974 supports motors rated up to 30 kW / 40 HP.
What supply voltage does the drive require?
The drive operates from a three-phase 380–480 V AC supply.
What enclosure protection does this model have?
This model features an IP21 / Type 1 enclosure, making it suitable for indoor HVAC and plant room installations.
Does the Danfoss 131B6974 include a local control panel?
Yes, this drive includes a numerical local control panel for configuration, operation and monitoring.
Trusted by HVAC Professionals Worldwide
Danfoss VLT® HVAC Drives are widely used by building services engineers, contractors and automation specialists to deliver reliable motor control, energy efficiency and long-term HVAC performance.
| Manufacturer Part Number | 131B6974 |
|---|---|
| Barcode | 5702427350410 |
| Height | 650mm |
| Width | 242mm |
| Depth | 260mm |
| Filter | Filter Included |
| Input Phases | Three Phase |
| Degree of protection (IP) | IP21 |
| KW Rating | 30kW |
| Output Phases | Three phase |
| VSD Range | Danfoss VLT FC102 |
| Manufacturer | Danfoss |
| Alternative Product SKU | FC-102P30KT4E21H3XNXXXXSXXXXAXBXCXXXXDX |
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.
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For further information on this product please get in touch with our team or visit the Danfoss website.
