Danfoss 137U4671 iC7-Automation variable speed drive, a three-phase frequency converter with 380–500 V AC input, 1120 A output current, Modbus TCP communication, IP54 / UL Type 12 protection and integrated Safe Torque Off functionality.
£70,812.80
The Danfoss 137U4671 is a high-performance iC7-Automation variable speed drive (VSD) designed for demanding industrial automation and machine building applications. As part of the advanced Danfoss iC7-Automation frequency converter series, it delivers precise speed and torque control for three-phase AC motors while supporting modern industrial connectivity and machine safety requirements.
This frequency converter is engineered for automation engineers, panel builders and machine builders who require efficient operation, flexible integration and reliable uptime. The iC7-Automation platform combines intelligent motor control, configurable I/O, embedded communication capability and functional safety to simplify system design and improve machine productivity.
With a rated output current of 1120 A and a three-phase 380–500 V AC supply, the Danfoss 137U4671 is suitable for very high-power industrial motor applications including conveyors, pumps, fans, processing machinery and automated production systems. Its IP54 / UL Type 12 construction provides enhanced protection for demanding installation environments.
Variable speed drives such as the Danfoss 137U4671 regulate motor speed by adjusting output voltage and frequency. This enables smooth acceleration, accurate process control and reduced mechanical stress on motors, gearboxes and driven machinery.
The iC7-Automation platform is designed for modern industrial environments where precision, connectivity and uptime are essential. Its integrated I/O, Ethernet communication and safety features allow straightforward integration with PLCs, HMIs and wider automation systems.
| Power | 630 kW |
|---|---|
| Current | 1120 A |
| Phase | Three Phase |
| IP Rating | IP54 |
| Series | iC7-Automation |
| Catalogue number | 7FC-AUFA3N05-1120E54F3-000145855 |
| Model code | IC7-60FA3N05-1120E54F3+AGCX+AJFX+AMMX+BAMT+BDBA+BEF1+BF20+DAAU |
| Product type | Variable speed drive / frequency converter |
| Rated output current | 1120 A |
| Input voltage | 380–500 V AC |
| Input phases | 3-phase |
| Frequency | 50 / 60 Hz |
| Protection rating | IP54 / UL Type 12 |
| Mounting type | Cabinet / panel mounting |
| Frame size | FB12 |
| Cooling method | Air cooled |
| EMC category | C3 |
| Communication protocol | Modbus TCP OS7MT |
| Other protocol interface | Ethernet port, no protocol |
| Functional safety | STO, not upgradeable |
| Control panel | Control Panel 2.8 OPX20 |
| EMC Filter | Industrial |
The Danfoss 137U4671 is used to control the speed and torque of three-phase AC motors in industrial automation, production machinery and OEM machine building applications.
This model provides a rated output current of approximately 1120 A.
The drive operates from a three-phase 380–500 V AC supply.
This model includes Modbus TCP OS7MT fieldbus communication for industrial automation network integration.
Yes. The Danfoss 137U4671 includes integrated Safe Torque Off (STO) functionality for machine safety applications.
Danfoss iC7-Automation drives are trusted by machine builders, panel builders and industrial automation engineers for dependable motor control, flexible connectivity and efficient operation in demanding industrial 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...