Danfoss 137U9973 iC7-Automation air-cooled frequency converter with 799 A current rating, 450 kW / 600 HP power rating, three-phase 380-500 V AC supply, Modbus TCP communication, IP20 Open Type enclosure and integrated STO safety functionality.
£38,546.40
The Danfoss 137U9973 is a high-performance iC7-Automation frequency converter designed for demanding industrial motor control and automation applications. As part of the advanced Danfoss iC7-Automation series, this air-cooled drive delivers powerful speed and torque control for large three-phase AC motors in modern production and process environments.
Engineered for system integrators, OEMs and industrial automation engineers, the 137U9973 combines high current capability with advanced connectivity, integrated safety and robust cabinet-mounted construction. Its Modbus TCP communication, standard I/O configuration and built-in Safe Torque Off functionality support seamless integration into PLC-controlled systems and industrial networks.
With a 799 A current rating, 450 kW / 600 HP power rating, three-phase 380-500 V AC supply and IP20 / Open Type enclosure, the Danfoss 137U9973 is suitable for high-power control panel installations requiring reliable motor performance, efficient operation and flexible automation connectivity.
The Danfoss iC7-Automation platform is designed to provide scalable and intelligent motor control for industrial machinery, process systems and engineered drive panels. By regulating motor speed and torque, the 137U9973 helps improve process precision, reduce mechanical stress and support efficient energy use across demanding applications.
Its Modbus TCP connectivity, standard I/O and integrated STO safety function make it suitable for PLC-based automation systems, connected industrial equipment and high-capacity motor control installations. The IP20 Open Type enclosure is intended for installation inside a suitable electrical cabinet by qualified personnel.
| Power | 450 kW |
|---|---|
| Current | 799 A |
| Phase | Three Phase |
| IP Rating | IP20 |
| Series | iC7-Automation |
| Part number | 137U9973 |
| Model code | IC7-60FA3N05-799AE20F3+AGCX+AJFX+BAMT+BDBA+BEF1+BF20+DAAU |
| Product type | Frequency converter |
| Cooling method | Air cooled |
| Power rating | 450 kW / 600 HP |
| Current rating | 799 A |
| Input voltage | 380-500 V AC |
| Input phases | 3-phase |
| Input frequency | 50 / 60 Hz |
| Protection rating | IP20 / Open Type |
| EMC category | C3 |
| Additional communication | Ethernet port, no protocol |
| Standard I/O | 4 × DI, 2 × DI/O, 2 × AI, 1 × AO, 2 × RO |
| Functional safety | Safe Torque Off (STO), not upgradable |
| Control panel | Control Panel 2.8 OPX20 |
| Frame size | FA11 |
| Mounting type | Cabinet / panel mounting |
| EMC Filter | Industrial |
The Danfoss 137U9973 is used to control the speed and torque of large three-phase AC motors in industrial automation, machinery and process control applications.
The frequency converter provides a 799 A current rating, making it suitable for high-power industrial motor control applications.
The unit operates from a three-phase 380-500 V AC supply with 50/60 Hz input frequency.
The drive includes Modbus TCP OS7MT communication, with an Ethernet port for industrial network integration.
Yes, the drive includes integrated Safe Torque Off (STO) functionality to support safe machine stopping requirements.
Danfoss iC7-Automation frequency converters are trusted by automation engineers, OEMs and system integrators for high-power motor control, efficient operation and seamless industrial network integration.
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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...