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137N6976 Danfoss 400kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137N6976 iC7-Automation frequency converter, an air-cooled industrial drive with 736 A current rating, three-phase 380–500 V AC supply, IP20 open-type enclosure, PROFINET RT communication and integrated STO safety functionality.
£29,889.00
Why Choose the Danfoss 137N6976 iC7-Automation Frequency Converter?
The Danfoss 137N6976 is a high-power iC7-Automation frequency converter designed for precise and reliable AC motor control in demanding industrial automation and process applications. As part of the advanced Danfoss iC7-Automation drive series, it provides efficient speed and torque control for large industrial motors used across manufacturing, materials handling and heavy-duty machinery.
This air-cooled industrial drive is engineered for applications requiring high current capacity, dependable functional safety and flexible communication. With integrated fieldbus capability, standard I/O and cabinet-ready construction, it supports efficient integration into PLC-controlled systems and modern automation networks.
With a 736 A current rating and a three-phase 380–500 V AC supply, the Danfoss 137N6976 is suitable for demanding high-power applications such as large conveyors, pumps, fans, compressors and process equipment. Its IP20 open-type enclosure and FA11 frame are designed for installation within industrial control cabinets.
Key Advantages
- High-power frequency converter for industrial automation systems.
- 736 A rated current for large AC motor control applications.
- Three-phase 380–500 V AC input suitable for industrial power systems.
- Integrated Safe Torque Off (STO) safety functionality.
- PROFINET RT OS7PR fieldbus protocol enabled.
- Ethernet port for flexible automation network integration.
- Control Panel 2.8 OPX20 included for convenient operation.
- Standard I/O configuration supports advanced machine control.
Key Features
- Danfoss iC7-Automation series.
- 736 A rated current.
- Three-phase 380–500 V AC supply.
- IP20 Open Type enclosure.
- Frame size FA11.
- EMC category C3.
- Integrated Safe Torque Off (STO).
- PROFINET RT OS7PR fieldbus protocol enabled.
- 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 Automation
Frequency converters such as the Danfoss iC7-Automation series regulate motor speed by adjusting output voltage and frequency. This helps improve process stability, reduce mechanical stress and increase energy efficiency across large industrial motors and driven equipment.
The Danfoss 137N6976 is built for automation environments where high power, network communication and functional safety are essential. With PROFINET RT support, Ethernet connectivity and integrated STO, it is suitable for integration into advanced control architectures and demanding industrial drive systems.
Typical Applications
- High-power industrial motor control systems.
- Large conveyors and material handling equipment.
- Pumps, fans and ventilation systems.
- Compressors and heavy process machinery.
- Manufacturing and production lines.
- PLC-controlled industrial automation systems.
- Heavy-duty machine building and process control applications.
Technical Specifications
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| Power | 400 kW | |
|---|---|---|
| Current | 736 A | |
| Phase | Three Phase | |
| IP Rating | IP20 | |
| EMC Filter | Industrial | |
| Series | iC7-Automation | |
| Catalogue Number | 7FC-AUFA3N05-736AE20F3-000136639 | |
| Model code | IC7-60FA3N05-736AE20F3+AGCX+AJFX+APHS+BAPR+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 | 736 A | |
| Protection rating | IP20 / Open Type | |
| Frame size | FA11 | |
| EMC category | C3 | |
| Fieldbus protocol | PROFINET RT OS7PR | |
| 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 137N6976 used for?
The Danfoss 137N6976 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 137N6976 require?
The drive operates from a three-phase 380–500 V AC supply.
What is the rated current of this frequency converter?
The Danfoss 137N6976 has a 736 A rated current.
What communication protocol is enabled?
The Danfoss 137N6976 has PROFINET RT OS7PR fieldbus protocol enabled and includes an Ethernet port.
Does the Danfoss 137N6976 include functional safety?
Yes. The drive includes integrated Safe Torque Off (STO) functionality for machine safety systems.
Trusted by Industrial Automation Engineers
Danfoss iC7-Automation frequency converters are trusted by system integrators, machine builders and industrial engineers for reliable high-power motor control, efficient operation and flexible integration into demanding automation environments.
