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134X3918 Danfoss VLT HVAC Drive 3.0KW/4.0HP 380-480VAC IP66
MPN: 134X3918
Alt. SKU: FC-102P3K0T4Y66H3XGXXOXSXXXXAXBPCXXXXDX
Special Price
£1,106.64
£922.20
Regular Price
£1,844.40
Why Choose the Danfoss 134X3918 VLT HVAC Drive?
The Danfoss 134X3918 is a compact and robust AC variable speed drive (VSD) from the Danfoss VLT® HVAC Drive FC 102 series, designed specifically for heating, ventilation, air conditioning and refrigeration applications. It provides accurate motor speed control for pumps, fans, compressors and air handling systems in commercial buildings, industrial facilities and plant room environments.
As part of the proven FC 102 HVAC drive range, this frequency converter combines dedicated HVAC functionality with dependable performance, helping reduce energy consumption, improve airflow control and lower operating costs. Its protected enclosure, relay card option and graphical local control panel make it suitable for demanding HVAC installations requiring reliable local operation and system integration.
With a rated output power of 3 kW (4 HP) and a three-phase 380–480 V AC supply, the Danfoss 134X3918 is ideal for smaller HVAC motor applications. The drive features an IP66 / NEMA 4X backplate enclosure, no brake chopper, RFI Class A1/B filtering, graphical local control panel, MCB-105 relay card, not coated PCB construction and no mains option.
Key Advantages
- Compact HVAC variable speed drive for pumps, fans and compressors.
- 3 kW / 4 HP output rating suitable for smaller HVAC motor applications.
- Three-phase 380–480 V AC input for industrial and building services power systems.
- IP66 / NEMA 4X backplate enclosure for demanding installation environments.
- MCB-105 relay card for expanded relay output functionality.
- Graphical local control panel for commissioning and monitoring.
- Energy-efficient motor control helps reduce HVAC running costs.
Key Features
- Danfoss VLT® HVAC Drive FC 102 series.
- 3 kW (4 HP) rated output power.
- Three-phase 380–480 V AC input supply.
- IP66 / NEMA 4X backplate enclosure for protected wall or panel mounting.
- No brake chopper.
- RFI Class A1/B (C1) filtering.
- No A option fitted.
- MCB-105 relay card.
- Graphical local control panel for setup and diagnostics.
- Not coated PCB.
- No mains option.
- No C1 option and no D option fitted.
- A4 frame format.
Technical Specifications
- Manufacturer: Danfoss
- Series: VLT® HVAC Drive FC 102
- Model: 134X3918
- Alternative model code: FC-102P3K0T4Y66H3XGXXOXSXXXXAXBPCXXXXDX
- Product type: Variable speed drive / frequency converter
- Rated output power: 3 kW
- Horsepower rating: 4 HP
- Input voltage: 380–480 V AC
- Input phases: Three-phase
- Frequency: 50 / 60 Hz
- Protection rating: IP66 / NEMA 4X backplate
- RFI filter: Class A1/B (C1)
- Brake chopper: No brake chopper
- A option: No A option
- B option: MCB-105 Relay Card
- Local control panel: Graphical LCP
- PCB coating: Not coated PCB
- Mains option: No mains option
- Frame size: A4
- Dimensions (H × W × D): approx. 390 × 200 × 175 mm
- Barcode: 5710108100193
- Mounting type: Wall / panel mounting
Efficient Motor Control for HVAC Systems
Variable speed drives such as the Danfoss VLT® HVAC Drive FC 102 regulate motor speed by adjusting output voltage and frequency. This allows HVAC equipment to operate according to real system demand, helping reduce energy usage while improving airflow, pressure and temperature control.
The 134X3918 is particularly suitable for HVAC installations requiring a protected IP66 enclosure, graphical commissioning interface and relay output expansion. Its compact A4 frame, RFI filtering and HVAC-specific control functions support dependable operation in building services and plant room environments.
Typical Applications
- HVAC fans and ventilation systems.
- Air handling units and building services equipment.
- Small chilled water pumps and condenser pumps.
- Heating and cooling circulation pumps.
- Compressors and refrigeration equipment.
- Plant room motor control systems.
- Commercial building management systems.
- Energy-saving HVAC retrofit projects.
Frequently Asked Questions
What is the Danfoss 134X3918 used for?
The Danfoss 134X3918 is used to control the speed of HVAC motors, including those used on fans, pumps, compressors and air handling equipment.
What motor power is supported by this drive?
This drive is rated for approximately 3 kW (4 HP) motor control applications.
What supply voltage does the drive require?
The 134X3918 operates from a three-phase 380–480 V AC supply.
What enclosure rating does the Danfoss 134X3918 have?
The drive has an IP66 / NEMA 4X backplate enclosure, making it suitable for demanding HVAC and plant room environments requiring strong environmental protection.
Does the Danfoss 134X3918 include a relay card?
Yes. This configuration includes an MCB-105 relay card for expanded relay output functionality.
Trusted by HVAC Engineers Worldwide
Danfoss VLT® HVAC drives are trusted by building services engineers, facilities managers and automation specialists for efficient motor control, reliable operation and seamless integration into modern HVAC systems.
| Manufacturer Part Number | 134X3918 |
|---|---|
| Barcode | 5710108100193 |
| Height | 390mm |
| Width | 200mm |
| Depth | 175mm |
| Filter | Filter Included |
| Input Phases | Three Phase |
| Degree of protection (IP) | IP66 |
| KW Rating | 3kW |
| Output Phases | Three phase |
| VSD Range | Danfoss VLT FC102 |
| Manufacturer | Danfoss |
| Alternative Product SKU | FC-102P3K0T4Y66H3XGXXOXSXXXXAXBPCXXXXDX |
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.
