Danfoss 137L9770 iC7-Automation frequency converter, a 355 kW three-phase AC drive with 658 A current rating, 380-500 V AC input, IP20 open-type enclosure, EtherNet/IP communication and integrated STO safety function.
£29,146.40
The Danfoss 137L9770 is a powerful iC7-Automation frequency converter designed for advanced motor control in demanding industrial automation environments. As part of the modern Danfoss iC7-Automation drive series, it provides precise speed and torque regulation for high-power three-phase AC motors used in machinery, process systems and manufacturing applications.
This air-cooled drive combines robust performance with flexible connectivity, integrated safety and efficient motor control. Its advanced drive architecture supports reliable operation in industrial installations where uptime, energy efficiency and automation integration are critical.
With a three-phase 380-500 V AC supply, 658 A current rating and 355 kW / 500 hp power rating, the Danfoss 137L9770 is suitable for large industrial motors used in heavy-duty production equipment, pumps, fans, conveyors and process machinery. The IP20 open-type enclosure is designed for installation within suitable electrical cabinets and control panels.
Frequency converters such as the Danfoss 137L9770 regulate motor speed by controlling the voltage and frequency supplied to the motor. This enables smoother operation, improved process control and reduced mechanical stress on industrial equipment.
The iC7-Automation platform is engineered for modern control systems, offering flexible I/O, Ethernet connectivity and industrial fieldbus communication. These features allow the drive to integrate efficiently with PLCs, SCADA systems and wider automation networks.
| Power | 355 kW |
|---|---|
| Current | 658 A |
| Phase | Three Phase |
| IP Rating | IP20 |
| Series | iC7-Automation |
| Catalogue number | 7FC-AUFA3N05-658AE20F3-000128373 |
| Product type | AC frequency converter |
| Drive type | Air-cooled frequency converter |
| Product code | IC7-60FA3N05-658AE20F3+ACBC+AGCX+AJFX+BAIP+BDBA+BEF1+BF20+DAAU |
| Rated power | 355 kW / 500 hp |
| Rated current | 658 A |
| Input voltage | 380-500 V AC |
| Input phases | 3-phase |
| Protection rating | IP20 |
| Enclosure type | Open Type |
| Frame size | FA11 |
| EMC category | C3 |
| Control panel | 2.8 OPX20 |
| Standard I/O | 4x DI, 2x DI/O, 2x AI, 1x AO, 2x RO |
| Communication protocol | EtherNet/IP OS7IP |
| Other communication | Ethernet port, no protocol |
| Safety function | Safe Torque Off (STO) |
| Environmental protection | Coated boards |
| EMC Filter | Industrial |
The Danfoss 137L9770 is used to control the speed and torque of large three-phase AC motors in industrial automation, process control and machine building applications.
The drive has a rated power of approximately 355 kW / 500 hp.
The drive operates from a three-phase 380-500 V AC supply.
Yes, the Danfoss 137L9770 has EtherNet/IP OS7IP fieldbus protocol enabled and also includes an Ethernet port.
The drive includes Safe Torque Off (STO) functional safety, which helps safely prevent motor torque when required.
Danfoss iC7-Automation frequency converters are trusted by engineers and system integrators for high-performance motor control, efficient operation and reliable integration into modern industrial automation systems.
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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...