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137U0578 Danfoss 400kW Three Phase iC7-Automation Variable Speed Drive
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.
£33,124.50
Why Choose the Danfoss 137U0578 iC7-Automation Frequency Converter?
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.
Key Advantages
- Advanced frequency converter for demanding industrial automation applications.
- 736 A rated output current for very high-power motor control.
- Three-phase 380-500 V AC input for industrial power networks.
- IP54 / UL Type 12 protection rating for demanding installations.
- Integrated Safe Torque Off (STO) safety functionality.
- Built-in Modbus TCP communication for automation network integration.
- Air-cooled construction supports reliable thermal performance.
- Helps improve energy efficiency, process accuracy and machine uptime.
Key Features
- Danfoss iC7-Automation frequency converter series.
- 736 A rated output current.
- Approx. 400 kW motor power rating.
- Three-phase 380-500 V AC input supply.
- IP54 / UL Type 12 enclosure protection.
- Frame size FB11.
- Integrated Modbus TCP OS7MT fieldbus protocol.
- Ethernet port with no additional protocol enabled.
- Integrated Safe Torque Off (STO) functionality.
- Control Panel 2.8 OPX20 included.
- Standard I/O including digital and analogue inputs and outputs.
Reliable Motor Control for Very High-Power Automation 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.
Typical Applications
- Very high-power industrial conveyors and material handling systems.
- Pumps, fans and ventilation systems.
- Compressors and process machinery.
- Packaging and production equipment.
- Mixing, processing and manufacturing machinery.
- OEM machine building applications.
- Industrial control panels and automation installations.
Technical Specifications
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| Power | 400 kW | |
|---|---|---|
| Current | 736 A | |
| Phase | Three Phase | |
| IP Rating | IP54 | |
| EMC Filter | Industrial | |
| 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 |
Frequently Asked Questions
What is the Danfoss 137U0578 used for?
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.
What output current does this frequency converter provide?
This drive has a rated output current of 736 A.
What supply voltage does the Danfoss 137U0578 require?
The drive operates from a three-phase 380-500 V AC supply.
Does this drive support Modbus TCP communication?
Yes. The Danfoss 137U0578 includes Modbus TCP OS7MT fieldbus communication for integration with industrial automation networks.
What safety function is included?
The drive includes integrated Safe Torque Off (STO) functionality to support safer machine operation.
Trusted for Demanding Industrial Automation
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.
