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137L9770 Danfoss 355kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137L9770 iC7-Automation frequency converter, a 355 kW three-phase AC drive with 658 A current rating, 380-500 V AC input, IP20 open-type enclosure, EtherNet/IP communication and integrated STO safety function.
£27,324.75
Why Choose the Danfoss 137L9770 iC7-Automation Frequency Converter?
The Danfoss 137L9770 is a powerful iC7-Automation frequency converter designed for advanced motor control in demanding industrial automation environments. As part of the modern Danfoss iC7-Automation drive series, it provides precise speed and torque regulation for high-power three-phase AC motors used in machinery, process systems and manufacturing applications.
This air-cooled drive combines robust performance with flexible connectivity, integrated safety and efficient motor control. Its advanced drive architecture supports reliable operation in industrial installations where uptime, energy efficiency and automation integration are critical.
With a three-phase 380-500 V AC supply, 658 A current rating and 355 kW / 500 hp power rating, the Danfoss 137L9770 is suitable for large industrial motors used in heavy-duty production equipment, pumps, fans, conveyors and process machinery. The IP20 open-type enclosure is designed for installation within suitable electrical cabinets and control panels.
Key Advantages
- High-performance iC7-Automation frequency converter for industrial motor control.
- 355 kW / 500 hp power rating for demanding high-power applications.
- 658 A current rating for large three-phase AC motors.
- Three-phase 380-500 V AC input compatible with industrial power systems.
- Integrated Safe Torque Off (STO) safety function.
- EtherNet/IP fieldbus protocol enabled for automation networks.
- Air-cooled design supports reliable operation in industrial environments.
- Coated boards provide enhanced environmental protection.
Key Features
- Danfoss iC7-Automation series.
- Frequency converter, air-cooled.
- 355 kW / 500 hp rated power.
- 658 A rated current.
- Three-phase 380-500 V AC mains voltage.
- IP20 / Open Type enclosure.
- Frame size FA11.
- EMC category C3.
- Control Panel 2.8 OPX20.
- Standard I/O: 4x DI, 2x DI/O, 2x AI, 1x AO, 2x RO.
- Fieldbus protocol enabled: EtherNet/IP OS7IP.
- Integrated Ethernet port.
- Functional safety: STO, not upgradable.
- Integrated brake chopper.
High-Power Motor Control for Industrial Automation
Frequency converters such as the Danfoss 137L9770 regulate motor speed by controlling the voltage and frequency supplied to the motor. This enables smoother operation, improved process control and reduced mechanical stress on industrial equipment.
The iC7-Automation platform is engineered for modern control systems, offering flexible I/O, Ethernet connectivity and industrial fieldbus communication. These features allow the drive to integrate efficiently with PLCs, SCADA systems and wider automation networks.
Typical Applications
- Heavy-duty industrial motor control.
- Large pumps, fans and ventilation systems.
- Material handling and conveyor systems.
- Process automation machinery.
- Manufacturing and production equipment.
- OEM machine building applications.
- Industrial cabinet and control panel installations.
Technical Specifications
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| Power | 355 kW | |
|---|---|---|
| Current | 658 A | |
| Phase | Three Phase | |
| IP Rating | IP20 | |
| EMC Filter | Industrial | |
| Series | iC7-Automation | |
| Catalogue number | 7FC-AUFA3N05-658AE20F3-000128373 | |
| Product type | AC frequency converter | |
| Drive type | Air-cooled frequency converter | |
| Product code | IC7-60FA3N05-658AE20F3+ACBC+AGCX+AJFX+BAIP+BDBA+BEF1+BF20+DAAU | |
| Rated power | 355 kW / 500 hp | |
| Rated current | 658 A | |
| Input voltage | 380-500 V AC | |
| Input phases | 3-phase | |
| Protection rating | IP20 | |
| Enclosure type | Open Type | |
| Frame size | FA11 | |
| EMC category | C3 | |
| Control panel | 2.8 OPX20 | |
| Standard I/O | 4x DI, 2x DI/O, 2x AI, 1x AO, 2x RO | |
| Communication protocol | EtherNet/IP OS7IP | |
| Other communication | Ethernet port, no protocol | |
| Safety function | Safe Torque Off (STO) | |
| Environmental protection | Coated boards |
Frequently Asked Questions
What is the Danfoss 137L9770 used for?
The Danfoss 137L9770 is used to control the speed and torque of large three-phase AC motors in industrial automation, process control and machine building applications.
What power rating does this drive have?
The drive has a rated power of approximately 355 kW / 500 hp.
What supply voltage does the Danfoss 137L9770 require?
The drive operates from a three-phase 380-500 V AC supply.
Does this drive support EtherNet/IP?
Yes, the Danfoss 137L9770 has EtherNet/IP OS7IP fieldbus protocol enabled and also includes an Ethernet port.
What safety function is included?
The drive includes Safe Torque Off (STO) functional safety, which helps safely prevent motor torque when required.
Trusted by Industrial Automation Engineers
Danfoss iC7-Automation frequency converters are trusted by engineers and system integrators for high-performance motor control, efficient operation and reliable integration into modern industrial automation systems.
