Danfoss 137N6778 iC7-Automation frequency converter, an air-cooled industrial drive with 395 A current rating, three-phase 380–500 V AC supply, IP20 open-type enclosure, Modbus TCP communication and integrated STO safety functionality.
£18,412.80
The Danfoss 137N6778 is a high-power iC7-Automation frequency converter designed for precise motor control in demanding industrial automation and process applications. As part of the advanced Danfoss iC7-Automation drive series, it provides reliable speed and torque control for large AC motors used across manufacturing, materials handling and heavy-duty machinery.
This industrial drive combines robust performance with flexible communication and control features, helping improve energy efficiency, process stability and machine productivity. Its integrated I/O, Ethernet connectivity and fieldbus support make it suitable for modern PLC-controlled automation systems and industrial network architectures.
With a 395 A current rating and a three-phase 380–500 V AC supply, the Danfoss 137N6778 is ideal for high-power motor applications including pumps, fans, compressors, conveyors and production machinery. The IP20 open-type enclosure is designed for cabinet-mounted installation in industrial control panels.
Frequency converters such as the Danfoss iC7-Automation series regulate AC motor speed by adjusting output voltage and frequency. This allows industrial equipment to run more efficiently, improves process control and reduces mechanical stress on motors, pumps, fans and driven machinery.
The Danfoss 137N6778 is designed for applications where high current capacity, functional safety and communication flexibility are essential. With Modbus TCP support, Ethernet connectivity and integrated STO, it can be integrated into advanced automation systems while supporting safe and efficient operation.
| Power | 200 kW |
|---|---|
| Current | 395 A |
| Phase | Three Phase |
| IP Rating | IP20 |
| Series | iC7-Automation |
| Catalogue Number | 7FC-AUFA3N05-395AE20F3-000131322 |
| Model code | IC7-60FA3N05-395AE20F3+ACBC+AGCX+AJFX+BAMT+BDBA+BEF1+BF20+CAC0+DAAU |
| Product type | Frequency converter |
| Cooling method | Air-cooled |
| Input voltage | 380–500 V AC |
| Input phases | 3-phase |
| Rated current | 395 A |
| Protection rating | IP20 / Open Type |
| Frame size | FA10 |
| EMC category | C3 |
| Fieldbus protocol | Modbus TCP OS7MT |
| Other communication | Ethernet port, no protocol |
| Functional safety | Safe Torque Off (STO), not upgradable |
| Control panel | Control Panel 2.8 OPX20 |
| Standard I/O | 4x DI, 2x DI/O, 2x AI, 1x AO, 2x RO |
| EMC Filter | Industrial |
The Danfoss 137N6778 is used to control the speed and torque of AC motors in high-power industrial automation, machinery and process control applications.
The drive operates from a three-phase 380–500 V AC supply.
The Danfoss 137N6778 has a 395 A rated current.
Yes. The drive includes integrated Safe Torque Off (STO) functionality for machine safety systems.
The Danfoss 137N6778 has Modbus TCP OS7MT fieldbus protocol enabled and includes an Ethernet port.
Danfoss iC7-Automation frequency converters are trusted by system integrators, machine builders and industrial engineers for reliable motor control, efficient performance and flexible integration into 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...