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134N4951 Danfoss VLT HVAC Drive 1.1KW/1.5HP 380-480VAC IP20
MPN: 134N4951
Alt. SKU: FC-102P1K1T4E20H3XGXXXXSXXXXA0BXCXXXXD0
Special Price
£660.24
£550.20
Regular Price
£1,100.40
Why Choose the Danfoss 134N4951 VLT HVAC Drive?
The Danfoss 134N4951 is a compact and energy-efficient AC variable frequency drive (VFD) from the Danfoss VLT® HVAC Drive FC 102 series, designed specifically for heating, ventilation and air conditioning applications. It provides precise motor speed control for pumps, fans and compressors, helping HVAC systems reduce energy consumption, improve control accuracy and minimise mechanical wear.
This drive is engineered for commercial and industrial building services where dependable HVAC motor control and fieldbus communication are essential. The FC 102 range includes intelligent HVAC functionality, flexible configuration options and efficient motor control features for modern building automation and energy management systems.
With a rated output power of 1.1 kW and a three-phase 380-480 V AC supply, the Danfoss 134N4951 is ideal for small HVAC motor applications. Its IP20 chassis format, PROFIBUS DP MCA 101 communication option, graphical local control panel and integrated RFI filtering make it a practical choice for panel-mounted HVAC installations.
Key Advantages
- Purpose-built HVAC variable frequency drive for energy-efficient motor control.
- 1.1 kW motor power rating suitable for small pumps, fans and compressors.
- Three-phase 380-480 V AC input for commercial and industrial installations.
- IP20 chassis design for installation inside electrical control panels.
- PROFIBUS DP MCA 101 option for industrial network communication.
- Graphical local control panel for straightforward commissioning and operation.
- Integrated RFI filtering helps reduce electrical interference.
Key Features
- Danfoss VLT® HVAC Drive FC 102 series.
- 1.1 kW rated output power.
- 1.5 HP motor rating.
- Three-phase 380-480 V AC input supply.
- IP20 / chassis enclosure.
- RFI Class A1/B (C1) integrated filter.
- No brake chopper configuration.
- PROFIBUS DP MCA 101 A-option fitted.
- Graphical Local Control Panel included.
- No B option and no mains option.
- Not coated PCB.
- MCB-107 24 V DC backup option included.
- Latest release standard software.
Technical Specifications
- Manufacturer: Danfoss
- Series: VLT® HVAC Drive FC 102
- Part Number: 134N4951
- Model Code: FC-102P1K1T4E20H3XGXXXXSXXXXA0BXCXXXXD0
- Product type: AC variable frequency drive
- Rated output power: 1.1 kW
- Horsepower rating: 1.5 HP
- Input voltage: 380-480 V AC
- Input phases: Three-phase
- Protection rating: IP20 / Chassis
- RFI filter: Class A1/B (C1)
- Brake chopper: No brake chopper
- Communication option: PROFIBUS DP MCA 101
- Control panel: Graphical Local Control Panel
- PCB coating: Not coated PCB
- Mains option: No mains option
- Frame size: A2
- Dimensions (H × W × D): approx. 268 × 90 × 205 mm
- Weight: approx. 4.59 kg
- EAN: 5710107902088
Efficient Motor Control for HVAC Systems
The Danfoss VLT HVAC Drive FC 102 is designed to regulate motor speed according to actual HVAC demand. By matching pump, fan or compressor output to system requirements, the drive helps reduce wasted energy, lower running costs and extend the service life of connected equipment.
The 134N4951 is particularly suited to compact HVAC installations requiring PROFIBUS communication and reliable panel-mounted motor control. Its IP20 chassis format, graphical local control panel, MCB-107 24 V DC backup option and integrated RFI filtering make it a strong choice for modern building services applications.
Typical Applications
- HVAC supply and extract fans.
- Air handling units and ventilation systems.
- Heating and chilled water circulation pumps.
- Commercial building services installations.
- Building automation and control systems.
- Energy-efficient small pump and fan control systems.
- PROFIBUS-connected HVAC motor control applications.
Frequently Asked Questions
What is the Danfoss 134N4951 used for?
The Danfoss 134N4951 is used to control three-phase AC motors in HVAC applications such as pumps, fans, compressors and ventilation systems.
What motor power does the 134N4951 support?
This drive is rated for 1.1 kW or approximately 1.5 HP motor applications.
What supply voltage does the drive require?
The 134N4951 operates from a three-phase 380-480 V AC supply.
Does the Danfoss 134N4951 include PROFIBUS communication?
Yes, this model includes the PROFIBUS DP MCA 101 communication option for integration with industrial automation networks.
Where is this drive typically installed?
The IP20 chassis version is designed for installation inside electrical control panels or suitable drive enclosures.
Trusted by HVAC Engineers Worldwide
Danfoss VLT® HVAC Drive FC 102 units are widely used by building services engineers, facility managers and automation specialists to deliver reliable motor control, energy-efficient operation and seamless integration into modern HVAC systems.
| Manufacturer Part Number | 134N4951 |
|---|---|
| Barcode | 5710107902088 |
| Height | 268mm |
| Width | 90mm |
| Depth | 205mm |
| Filter | Filter Included |
| Input Phases | Three Phase |
| Degree of protection (IP) | IP20 |
| KW Rating | 1.1kW |
| Output Phases | Three phase |
| VSD Range | Danfoss VLT FC102 |
| Manufacturer | Danfoss |
| Alternative Product SKU | FC-102P1K1T4E20H3XGXXXXSXXXXA0BXCXXXXD0 |
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.
