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134U7749 Danfoss VLT Midi Drive FC 280 3.0 kW / 4.0 HP Three phase 380-480 VAC IP20
Danfoss 134U7749 VLT Midi Drive FC 280 variable frequency drive featuring 3.0 kW output power, three-phase 380–480 V AC supply, integrated Profibus DP communication, brake chopper and IP20 chassis enclosure for industrial motor control applications.
£756.80
Why Choose the Danfoss 134U7749 VLT® Midi Drive FC 280?
The Danfoss 134U7749 is a compact and reliable AC variable frequency drive (VFD) from the VLT® Midi Drive FC 280 series, designed to provide accurate speed and torque control for three-phase motors in industrial automation and machinery applications. Built for machine builders, OEMs and maintenance engineers, this drive combines dependable motor performance with a space-saving IP20 chassis format for control panel installation.
As part of the Danfoss FC 280 range, this frequency converter offers efficient motor control, flexible fieldbus integration and robust industrial functionality. Its integrated Profibus DP control card, brake chopper, coated PCB and EMC Cat C3 filtering make it suitable for automation systems requiring reliable communication, controlled braking and durable operation.
With a rated output power of 3.0 kW (4.0 HP) and a three-phase 380–480 V AC supply, the Danfoss 134U7749 is ideal for industrial motors used in conveyors, pumps, fans, packaging equipment and production machinery. Its K2 frame size supports straightforward installation inside electrical cabinets and machine control panels.
Key Advantages
- Compact variable frequency drive for industrial machinery.
- 3.0 kW (4.0 HP) motor power rating for industrial automation applications.
- Three-phase 380–480 V AC input suitable for industrial power systems.
- Integrated Profibus DP communication for automation network connectivity.
- Built-in brake chopper for controlled stopping and braking applications.
- EMC Cat C3 filtering supports reliable operation in industrial installations.
- Coated PCB improves durability in demanding operating environments.
Key Features
- Danfoss VLT® Midi Drive FC 280 series.
- 3.0 kW rated output power.
- 6.3–7.2 A continuous output current.
- Three-phase 380–480 V AC input supply.
- Integrated Profibus DP control card.
- Built-in brake chopper.
- EMC Cat C3 integrated filter.
- IP20 chassis enclosure.
- No display configuration.
- Coated PCB for enhanced environmental protection.
- Compact K2 frame size for control panel mounting.
Reliable Motor Control for Industrial Automation Systems
Variable frequency drives such as the Danfoss 134U7749 regulate motor speed by adjusting output voltage and frequency. This helps machinery operate more efficiently while improving process control, reducing mechanical stress and supporting smoother acceleration and deceleration.
The VLT® Midi Drive FC 280 series is designed for industrial users who need compact, reliable and network-ready motor control. With integrated Profibus DP communication and a built-in brake chopper, this model is well suited to automation systems requiring dependable fieldbus connectivity and efficient motor performance.
Typical Applications
- Industrial conveyors and material handling systems.
- Packaging and production machinery.
- Pumps, fans and ventilation equipment.
- Mixers and processing equipment.
- Food and beverage machinery.
- Manufacturing and automation systems.
- OEM machine building and panel installations.
Technical Specifications
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| Power | 3 kW | |
|---|---|---|
| Voltage | 480 V | |
| Phase | Three Phase | |
| IP Rating | IP20 | |
| EMC Filter | Industrial | |
| Series | VLT® Midi Drive FC 280 | |
| Part Number | 134U7749 | |
| Product type | AC variable frequency drive | |
| Rated output power | 3.0 kW (4.0 HP) | |
| Continuous output current | 6.3–7.2 A | |
| Intermittent current | 11.5 A | |
| Input voltage | 380–480 V AC | |
| Input phases | 3-phase | |
| Output frequency | 0–500 Hz | |
| Protection rating | IP20 | |
| EMC Filter | EMC Cat C3 (200 / 400 V) | |
| Brake function | Integrated brake chopper | |
| Display | No display | |
| PCB protection | Coated PCB | |
| Frame size | K2 | |
| Dimensions (H × W × D) | approx. 272.5 × 90 × 168 mm | |
| Net weight | approx. 3.6–3.96 kg | |
| EAN | 5710108038007 |
Frequently Asked Questions
What is the Danfoss 134U7749 used for?
The Danfoss 134U7749 is used to control the speed and torque of three-phase AC motors in industrial machinery, automation systems and production equipment.
What motor power is supported by this drive?
This drive is rated for motors up to approximately 3.0 kW (4.0 HP).
What supply voltage does the drive require?
The Danfoss 134U7749 operates from a three-phase 380–480 V AC supply.
Does this drive include Profibus DP communication?
Yes, this model includes integrated Profibus DP communication for connection to industrial automation networks.
Does the Danfoss 134U7749 include a brake chopper?
Yes, the drive includes an integrated brake chopper, making it suitable for applications requiring controlled deceleration and braking.
Trusted by Industrial Automation Professionals
The Danfoss VLT® Midi Drive FC 280 series is widely used by automation engineers, machine builders and maintenance teams for reliable motor control, efficient operation and seamless integration into modern industrial systems.
