Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
137U6620 Danfoss 450kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137U6620 iC7-Automation variable frequency drive with 799 A output current, three phase 380-500 V AC supply, PROFINET RT communication, IP20 Open Type enclosure and integrated Safe Torque Off for high-power industrial motor control applications.
£41,170.50
Why Choose the Danfoss 137U6620 iC7-Automation Drive?
The Danfoss 137U6620 is a high-capacity iC7-Automation variable frequency drive (VFD) designed for precise control of large three-phase AC motors in demanding industrial automation environments. As part of the advanced Danfoss iC7-Automation series, it delivers dependable motor speed and torque regulation for heavy-duty machinery, process systems and complex production applications.
This frequency converter combines powerful motor control with flexible connectivity, built-in safety functionality and robust industrial performance. Its air-cooled design, high current capacity and automation-focused configuration make it suitable for large-scale applications where reliability, efficiency and integration with modern control systems are essential.
With a rated output current of 799 A and a three-phase 380–500 V AC supply, the Danfoss 137U6620 is ideal for high-power motors used in pumps, fans, compressors, conveyors, processing machinery and heavy industrial systems. The IP20 / Open Type format is designed for installation inside appropriate electrical cabinets and control panels.
Key Advantages
- High-capacity variable frequency drive for heavy industrial automation.
- 799 A rated output current for large motor control applications.
- Three-phase 380–500 V AC input suitable for industrial power systems.
- Integrated Safe Torque Off (STO) functional safety.
- PROFINET RT fieldbus capability for automation network integration.
- Ethernet port for flexible communication support.
- Standard I/O configuration for machine and process control.
- Air-cooled design engineered for demanding operating conditions.
Key Features
- Danfoss iC7-Automation frequency converter series.
- 799 A rated output current.
- Three-phase 380–500 V AC input supply.
- IP20 / Open Type enclosure.
- Frame size FA11.
- EMC category C2.
- Integrated Safe Torque Off (STO) functionality.
- PROFINET RT fieldbus protocol enabled.
- Ethernet port with no additional protocol enabled.
- Control Panel 2.8 OPX20 interface.
- Standard I/O: 4 digital inputs, 2 digital input/outputs, 2 analogue inputs, 1 analogue output and 2 relay outputs.
High-Power Motor Control for Industrial Systems
Variable frequency drives such as the Danfoss 137U6620 regulate motor operation by adjusting output voltage and frequency. This enables large industrial motors to run more efficiently, improves process control and helps reduce mechanical stress across connected equipment.
The iC7-Automation platform is designed for advanced automation environments where high power, communication flexibility and integrated safety are important. With PROFINET RT support, standard I/O and STO functionality, the 137U6620 can be integrated into modern industrial control architectures and production systems.
Typical Applications
- High-power industrial pumps and fan systems.
- Large conveyors and material handling equipment.
- Compressors and process machinery.
- Heavy-duty manufacturing and production lines.
- Water treatment and industrial utility systems.
- Mining, processing and bulk handling equipment.
- OEM machinery and large-scale automation projects.
Technical Specifications
Tick the specs you need, then view products that match.
| Power | 450 kW | |
|---|---|---|
| Current | 799 A | |
| Phase | Three Phase | |
| IP Rating | IP20 | |
| EMC Filter | Commercial | |
| Series | iC7-Automation | |
| Part number | 137U6620 | |
| Model code | IC7-60FA3N05-799AE20F2 | |
| Product type | Variable frequency drive | |
| Rated output current | 799 A | |
| Input voltage | 380–500 V AC | |
| Input phases | 3-phase | |
| Frequency | 50 / 60 Hz | |
| Protection rating | IP20 / Open Type | |
| Frame size | FA11 | |
| EMC category | C2 | |
| Cooling method | Air-cooled | |
| Functional safety | STO (Safe Torque Off), not upgradable | |
| Fieldbus protocol | PROFINET RT | |
| Other communication | Ethernet port, no protocol | |
| Control panel | Control Panel 2.8 OPX20 | |
| Standard I/O | 4xDI, 2xDI/O, 2xAI, 1xAO, 2xRO | |
| Dimensions (H × W × D) | approx. 1578 × 508 × 482 mm | |
| Weight | approx. 220.86 kg |
Frequently Asked Questions
What is the Danfoss 137U6620 used for?
The Danfoss 137U6620 is used to control the speed and torque of large three-phase AC motors in industrial automation, process control and heavy machinery applications.
What is the output current rating of this drive?
The drive has a rated output current of 799 A, making it suitable for high-power motor control applications.
What supply voltage does the drive require?
The 137U6620 operates from a three-phase 380–500 V AC supply.
Does this drive support PROFINET?
Yes, the Danfoss 137U6620 has PROFINET RT fieldbus protocol enabled for integration with industrial automation networks.
What safety function is included?
The drive includes integrated Safe Torque Off (STO) functionality, which helps support safe machine stopping and functional safety requirements.
Trusted for Heavy-Duty Industrial Automation
Danfoss iC7-Automation drives are trusted by engineers, system integrators and industrial operators for high-performance motor control, reliable operation and flexible integration in demanding automation environments.
