Danfoss 137U0578 iC7-Automation frequency converter, an air-cooled three phase variable frequency drive with 736 A output current, 380-500 V AC input, Modbus TCP communication and integrated STO safety functionality.
£35,332.80
The Danfoss 137U0578 is a high-power iC7-Automation frequency converter designed for demanding industrial automation, machinery and process control applications. As part of the advanced Danfoss iC7-Automation drive series, it delivers precise speed and torque control for large three-phase AC motors used in modern production environments.
This air-cooled frequency converter combines powerful motor control, integrated safety functionality and industrial communication capability in a robust enclosed format. It is engineered for machine builders, OEMs and automation engineers who require dependable drive performance, flexible system integration and efficient operation.
With a rated output current of 736 A and a three-phase 380-500 V AC supply, the Danfoss 137U0578 is suitable for very high-power automation applications including pumps, fans, compressors, conveyors, processing machinery and heavy-duty production systems.
Frequency converters such as the Danfoss 137U0578 regulate motor speed by adjusting voltage and frequency. This allows industrial machinery to operate more efficiently, improving process control while reducing mechanical stress on motors, gearboxes and driven equipment.
The iC7-Automation platform is built for modern industrial control architectures. With Modbus TCP communication, flexible standard I/O and integrated STO safety functionality, the 137U0578 supports seamless connection to PLCs, automation networks and machine control systems.
| Power | 400 kW |
|---|---|
| Current | 736 A |
| Phase | Three Phase |
| IP Rating | IP54 |
| Series | iC7-Automation |
| Part Number | 137U0578 |
| Model Code | IC7-60FA3N05-736AE54F3+AGCX+AJFD+BAMT+BDBA+BEF1+BF20+DAAU |
| Product Type | Frequency converter |
| Cooling Method | Air-cooled |
| Rated Output Power | approx. 400 kW |
| Rated Output Current | 736 A |
| Input Voltage | 380-500 V AC |
| Input Phases | 3-phase |
| Frequency | 50 / 60 Hz |
| Protection Rating | IP54 / UL Type 12 |
| Frame Size | FB11 |
| EMC Category | C3 |
| Control Panel | 2.8 OPX20 |
| Standard I/O | 4xDI, 2xDI/O, 2xAI, 1xAO, 2xRO |
| Fieldbus Protocol | Modbus TCP OS7MT |
| Other Protocols | Ethernet port, no protocol |
| Functional Safety | Safe Torque Off (STO), not upgradable |
| Mounting Type | Cabinet / industrial mounting |
| EMC Filter | Industrial |
The Danfoss 137U0578 is used to control the speed and torque of three-phase AC motors in very high-power industrial automation, machinery and process control applications.
This drive has a rated output current of 736 A.
The drive operates from a three-phase 380-500 V AC supply.
Yes. The Danfoss 137U0578 includes Modbus TCP OS7MT fieldbus communication for integration with industrial automation networks.
The drive includes integrated Safe Torque Off (STO) functionality to support safer machine operation.
Danfoss iC7-Automation frequency converters are trusted by machine builders and industrial engineers for precise motor control, reliable communication and efficient performance in 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...