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137X3956 Danfoss 355kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137X3956 iC7-Automation frequency converter featuring 658 A output current, three-phase 380-500 V AC operation, IP54 / UL Type 12 protection, EtherNet/IP communication and integrated STO safety functionality.
£30,421.50
Why Choose the Danfoss 137X3956 iC7-Automation Frequency Converter?
The Danfoss 137X3956 is a high-performance iC7-Automation frequency converter designed for demanding industrial automation, machinery and process control applications. Built on the advanced Danfoss iC7 platform, it delivers precise variable speed motor control while supporting modern industrial connectivity and robust cabinet integration.
As part of the Danfoss iC7-Automation series, this drive combines efficient motor control, embedded industrial IoT security and flexible communication options. It is suitable for OEMs, machine builders and automation engineers who require dependable drive performance for high-power industrial systems.
With a three-phase 380-500 V AC supply and a high 658 A output current rating, the 137X3956 is suitable for demanding motor control applications. Its IP54 / UL Type 12 enclosure provides enhanced protection for industrial environments, while EtherNet/IP support enables straightforward integration into automation networks.
Key Advantages
- High-power Danfoss iC7-Automation frequency converter.
- 658 A output current rating for demanding industrial motor applications.
- Three-phase 380-500 V AC input for industrial power systems.
- IP54 / UL Type 12 enclosure for protected industrial installation.
- EtherNet/IP OS7IP fieldbus support for automation integration.
- Integrated Safe Torque Off (STO) safety functionality.
- Air-cooled design for reliable thermal management.
Key Features
- Danfoss iC7-Automation series.
- Industrial frequency converter for variable speed motor control.
- 658 A rated output current.
- 380-500 V AC three-phase supply.
- IP54 / UL Type 12 enclosure protection.
- EtherNet/IP OS7IP fieldbus protocol enabled.
- Ethernet port with no additional protocol enabled.
- Integrated Safe Torque Off (STO) functionality.
- Control Panel 2.8 OPX20 interface.
- Standard I/O: 4xDI, 2xDI/O, 2xAI, 1xAO, 2xRO.
- Frame size FB11.
High-Power Drive Control for Demanding Automation
The Danfoss 137X3956 is designed to regulate AC motor speed and torque accurately, helping improve process control, reduce mechanical stress and support efficient operation across industrial systems. Its high output current rating makes it suitable for demanding machinery and large motor applications.
With EtherNet/IP communication, integrated STO safety and standard industrial I/O, this iC7-Automation drive can be connected into modern automation networks and control systems. The IP54 / UL Type 12 construction provides added protection for challenging industrial environments.
Typical Applications
- High-power industrial motor control systems.
- Process automation and production plants.
- Large pumps, fans and compressors.
- Heavy-duty conveyors and material handling systems.
- Industrial machinery and manufacturing lines.
- OEM machine building applications.
- Protected cabinet and industrial drive installations.
Technical Specifications
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| Power | 355 kW | |
|---|---|---|
| Current | 658 A | |
| Phase | Three Phase | |
| IP Rating | IP54 | |
| EMC Filter | Commercial | |
| Series | iC7-Automation | |
| Product type | Frequency converter / Variable frequency drive | |
| Configuration | IC7-60FA3N05-658AE54F2+AGCX+AJFD+AMMX+BAIP+BDBA+BEF1+BF20+CAC0+CCC0+DAAU | |
| Input voltage | 380-500 V AC | |
| Input phases | 3-phase | |
| Rated output current | 658 A | |
| Protection rating | IP54 / UL Type 12 | |
| Frame size | FB11 | |
| EMC category | C2 | |
| Fieldbus protocol | EtherNet/IP OS7IP | |
| Other communication | Ethernet port, no protocol | |
| Functional safety | Safe Torque Off (STO), not upgradable | |
| Control panel | Control Panel 2.8 OPX20 | |
| Standard I/O | 4xDI, 2xDI/O, 2xAI, 1xAO, 2xRO | |
| Cooling method | Air-cooled | |
| Installation | Industrial cabinet / protected drive installation |
Frequently Asked Questions
What is the Danfoss 137X3956 used for?
The Danfoss 137X3956 is used to control the speed and torque of AC motors in demanding industrial automation, machinery and process applications.
What output current does this drive provide?
This model has a 658 A rated output current.
What supply voltage does the drive require?
The drive operates from a three-phase 380-500 V AC supply.
Which communication protocol is enabled?
The 137X3956 includes EtherNet/IP OS7IP fieldbus communication and an Ethernet port with no additional protocol enabled.
What enclosure rating does the Danfoss 137X3956 have?
The drive features an IP54 / UL Type 12 enclosure rating for protected industrial installation.
Trusted for High-Power Industrial Automation
Danfoss iC7-Automation frequency converters are widely used by automation engineers, OEMs and industrial operators to deliver reliable motor control, scalable integration and dependable performance in demanding environments.
