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137N6778 Danfoss 200kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137N6778 iC7-Automation frequency converter, an air-cooled industrial drive with 395 A current rating, three-phase 380–500 V AC supply, IP20 open-type enclosure, Modbus TCP communication and integrated STO safety functionality.
£17,262.00
Why Choose the Danfoss 137N6778 iC7-Automation Frequency Converter?
The Danfoss 137N6778 is a high-power iC7-Automation frequency converter designed for precise motor control in demanding industrial automation and process applications. As part of the advanced Danfoss iC7-Automation drive series, it provides reliable speed and torque control for large AC motors used across manufacturing, materials handling and heavy-duty machinery.
This industrial drive combines robust performance with flexible communication and control features, helping improve energy efficiency, process stability and machine productivity. Its integrated I/O, Ethernet connectivity and fieldbus support make it suitable for modern PLC-controlled automation systems and industrial network architectures.
With a 395 A current rating and a three-phase 380–500 V AC supply, the Danfoss 137N6778 is ideal for high-power motor applications including pumps, fans, compressors, conveyors and production machinery. The IP20 open-type enclosure is designed for cabinet-mounted installation in industrial control panels.
Key Advantages
- High-power frequency converter for industrial automation applications.
- 395 A rated current for demanding motor control requirements.
- Three-phase 380–500 V AC input suitable for industrial power systems.
- Integrated Safe Torque Off (STO) safety functionality.
- Modbus TCP OS7MT fieldbus protocol enabled.
- Ethernet port for flexible automation network integration.
- Standard I/O configuration supports machine control applications.
- Air-cooled design for reliable cabinet-mounted operation.
Key Features
- Danfoss iC7-Automation series.
- 395 A rated current.
- Three-phase 380–500 V AC supply.
- IP20 Open Type enclosure.
- Frame size FA10.
- EMC category C3.
- Integrated Safe Torque Off (STO).
- Modbus TCP OS7MT fieldbus communication.
- Ethernet port with no additional protocol enabled.
- Control Panel 2.8 OPX20 included.
- Standard I/O: 4x DI, 2x DI/O, 2x AI, 1x AO, 2x RO.
- Air-cooled frequency converter design.
High-Power Motor Control for Industrial Systems
Frequency converters such as the Danfoss iC7-Automation series regulate AC motor speed by adjusting output voltage and frequency. This allows industrial equipment to run more efficiently, improves process control and reduces mechanical stress on motors, pumps, fans and driven machinery.
The Danfoss 137N6778 is designed for applications where high current capacity, functional safety and communication flexibility are essential. With Modbus TCP support, Ethernet connectivity and integrated STO, it can be integrated into advanced automation systems while supporting safe and efficient operation.
Typical Applications
- High-power industrial conveyors and material handling systems.
- Pumps, fans and ventilation equipment.
- Compressors and process machinery.
- Manufacturing and production lines.
- Heavy-duty machine building applications.
- Industrial automation and PLC-controlled systems.
- Process control and energy optimisation systems.
Technical Specifications
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| Power | 200 kW | |
|---|---|---|
| Current | 395 A | |
| Phase | Three Phase | |
| IP Rating | IP20 | |
| EMC Filter | Industrial | |
| Series | iC7-Automation | |
| Catalogue Number | 7FC-AUFA3N05-395AE20F3-000131322 | |
| Model code | IC7-60FA3N05-395AE20F3+ACBC+AGCX+AJFX+BAMT+BDBA+BEF1+BF20+CAC0+DAAU | |
| Product type | Frequency converter | |
| Cooling method | Air-cooled | |
| Input voltage | 380–500 V AC | |
| Input phases | 3-phase | |
| Rated current | 395 A | |
| Protection rating | IP20 / Open Type | |
| Frame size | FA10 | |
| EMC category | C3 | |
| Fieldbus protocol | Modbus TCP OS7MT | |
| Other communication | Ethernet port, no protocol | |
| Functional safety | Safe Torque Off (STO), not upgradable | |
| Control panel | Control Panel 2.8 OPX20 | |
| Standard I/O | 4x DI, 2x DI/O, 2x AI, 1x AO, 2x RO |
Frequently Asked Questions
What is the Danfoss 137N6778 used for?
The Danfoss 137N6778 is used to control the speed and torque of AC motors in high-power industrial automation, machinery and process control applications.
What supply voltage does the Danfoss 137N6778 require?
The drive operates from a three-phase 380–500 V AC supply.
What is the rated current of this frequency converter?
The Danfoss 137N6778 has a 395 A rated current.
Does the Danfoss 137N6778 include functional safety?
Yes. The drive includes integrated Safe Torque Off (STO) functionality for machine safety systems.
What communication protocol is enabled?
The Danfoss 137N6778 has Modbus TCP OS7MT fieldbus protocol enabled and includes an Ethernet port.
Trusted by Industrial Automation Engineers
Danfoss iC7-Automation frequency converters are trusted by system integrators, machine builders and industrial engineers for reliable motor control, efficient performance and flexible integration into demanding automation environments.
