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.
£43,915.20
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.
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.
| Power | 450 kW |
|---|---|
| Current | 799 A |
| Phase | Three Phase |
| IP Rating | IP20 |
| 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 |
| EMC Filter | Commercial |
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.
The drive has a rated output current of 799 A, making it suitable for high-power motor control applications.
The 137U6620 operates from a three-phase 380–500 V AC supply.
Yes, the Danfoss 137U6620 has PROFINET RT fieldbus protocol enabled for integration with industrial automation networks.
The drive includes integrated Safe Torque Off (STO) functionality, which helps support safe machine stopping and functional safety requirements.
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.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...