Danfoss 137U6821 iC7-Automation air-cooled frequency converter with 1260 A rated current, 380-500 V AC three-phase input, IP54 / UL Type 12 protection, EtherNet/IP communication and integrated Safe Torque Off functionality.
£80,556.80
The Danfoss 137U6821 is a high-performance iC7-Automation frequency converter designed for demanding industrial automation and high-power motor control applications. As part of the advanced Danfoss iC7-Automation drive platform, it provides precise speed and torque control for large three-phase motors used in process, manufacturing and heavy-duty machinery environments.
This air-cooled variable frequency drive is engineered for reliable operation, efficient motor performance and flexible integration into modern industrial control systems. With built-in functional safety, industrial Ethernet communication and configurable I/O, the Danfoss 137U6821 is well suited to high-capacity automation networks and demanding motor-driven equipment.
With a rated current of 1260 A and a three-phase 380-500 V AC supply, the 137U6821 is built for large industrial installations requiring robust performance. Its IP54 / UL Type 12 enclosure, FB12 frame size and EMC category C3 rating support dependable operation in challenging industrial environments.
Frequency converters such as the Danfoss 137U6821 regulate motor speed by controlling output voltage and frequency. This allows industrial motors to operate more efficiently while improving process accuracy, reducing mechanical stress and supporting smoother system performance.
The iC7-Automation platform is designed for modern industrial automation environments where connectivity, reliability and operational flexibility are essential. Its built-in EtherNet/IP support, Ethernet connectivity and integrated STO safety function make it well suited to sophisticated control systems and large-scale machinery.
| Power | 710 kW |
|---|---|
| Current | 1260 A |
| Phase | Three Phase |
| IP Rating | IP54 |
| Series | iC7-Automation |
| Catalogue number | 7FC-AUFA3N05-1260E54F3-000152020 |
| Product type | Frequency converter |
| Drive type | Air-cooled AC variable frequency drive |
| Model code | IC7-60FA3N05-1260E54F3+AGCX+AJFD+APHS+BAIP+BDBA+BEF1+BF20+DAAU |
| Rated current | 1260 A |
| Input voltage | 380-500 V AC |
| Input phases | 3-phase |
| Protection rating | IP54 / UL Type 12 |
| Frame size | FB12 |
| EMC category | C3 |
| Fieldbus | EtherNet/IP OS7IP |
| Other communication | Ethernet port, no protocol |
| Functional safety | Safe Torque Off (STO), not upgradable |
| Control panel | 2.8 OPX20 |
| Standard digital inputs | 4 x DI |
| Standard digital I/O | 2 x DI/O |
| Standard analogue inputs | 2 x AI |
| Standard analogue output | 1 x AO |
| Relay outputs | 2 x RO |
| EMC Filter | Industrial |
The Danfoss 137U6821 is used to control the speed and torque of high-power three-phase AC motors in industrial automation, process control and heavy-duty machinery applications.
The 137U6821 operates from a three-phase 380-500 V AC supply.
This model has a rated current of 1260 A, making it suitable for high-capacity industrial motor control applications.
The drive supports EtherNet/IP OS7IP fieldbus communication and also includes an Ethernet port.
The Danfoss 137U6821 includes integrated Safe Torque Off (STO) functionality to support safe machine operation.
Danfoss iC7-Automation frequency converters are trusted in demanding industrial environments for reliable high-power motor control, flexible connectivity and efficient automation performance.
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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...