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137U3771 Danfoss 90kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137U3771 iC7-Automation frequency converter, an air-cooled three phase AC drive with 380-500 V AC input, 170 A output, Modbus TCP connectivity and integrated STO safety.
£9,295.50
Why Choose the Danfoss 137U3771 iC7-Automation Frequency Converter?
The Danfoss 137U3771 is a robust iC7-Automation frequency converter designed for precise and reliable control of three-phase AC motors in demanding industrial automation and machinery applications. As part of the advanced Danfoss iC7-Automation drive series, it provides efficient motor control, flexible connectivity and dependable performance for modern control systems.
This air-cooled frequency converter is engineered for applications where accurate speed control, functional safety and automation network integration are essential. Its IP20/Open Type construction is suitable for cabinet installation, while the integrated control panel, standard I/O and communication features support straightforward setup and commissioning.
With a three-phase 380–500 V AC supply, 170 A rated output current, Modbus TCP fieldbus support and integrated Safe Torque Off (STO), the Danfoss 137U3771 delivers efficient, network-ready motor control for demanding industrial applications.
Key Advantages
- Advanced Danfoss iC7-Automation frequency converter for industrial motor control.
- 170 A rated output current suitable for demanding automation applications.
- Three-phase 380–500 V AC input compatible with industrial power supplies.
- Integrated Safe Torque Off (STO) functional safety.
- Modbus TCP enabled for automation network integration.
- IP20/Open Type design suitable for cabinet and control panel mounting.
Key Features
- Danfoss iC7-Automation drive series.
- Air-cooled frequency converter design.
- 170 A rated output current.
- Three-phase 380–500 V AC input supply.
- IP20/Open Type protection rating.
- Frame size FA08.
- EMC category C2.
- Control Panel 2.8 OPX20 included.
- Standard I/O with digital inputs, digital input/output, analogue inputs, analogue output and relay outputs.
- Modbus TCP fieldbus protocol enabled.
- Ethernet port available with no additional protocol.
- Integrated Safe Torque Off (STO), not upgradable.
Efficient Motor Control for Industrial Automation
Frequency converters such as the Danfoss 137U3771 regulate motor speed and torque by adjusting the frequency and voltage supplied to the motor. This helps improve process control, reduce mechanical stress and support more efficient operation across industrial machinery and automation systems.
The iC7-Automation platform is designed for applications where reliable drive performance, industrial communication and functional safety are essential. With Modbus TCP connectivity and integrated I/O, the Danfoss 137U3771 can be incorporated into PLC-based automation systems and modern control networks.
Typical Applications
- Industrial machinery and automation systems.
- Conveyors and material handling equipment.
- Pumps, fans and ventilation systems.
- Packaging and production machinery.
- Processing equipment and OEM machinery.
- PLC-controlled motor drive systems.
Technical Specifications
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| Power | 90 kW | |
|---|---|---|
| Current | 170 A | |
| Phase | Three Phase | |
| IP Rating | IP20 | |
| EMC Filter | Commercial | |
| Series | iC7-Automation | |
| Catalogue number | 7FC-AUFA3N05-170AE20F2-000144632 | |
| Model code | IC7-60FA3N05-170AE20F2+BAMT+BDBA+BEF1+BF20+CAC0+DAAU | |
| Product type | Frequency converter / AC drive | |
| Cooling method | Air-cooled | |
| Input voltage | 380–500 V AC | |
| Input phases | 3-phase | |
| Rated output current | 170 A | |
| Protection rating | IP20 / Open Type | |
| Frame size | FA08 | |
| EMC category | C2 | |
| Control panel | Control Panel 2.8 OPX20 | |
| Standard I/O | 4 x DI, 2 x DI/O, 2 x AI, 1 x AO, 2 x RO | |
| Fieldbus protocol | Modbus TCP OS7MT | |
| Other protocol | Ethernet port, no protocol | |
| Functional safety | Safe Torque Off (STO), not upgradable | |
| Mounting type | Cabinet / panel mounting |
Frequently Asked Questions
What is the Danfoss 137U3771 used for?
The Danfoss 137U3771 is used to control the speed and torque of three-phase AC motors in industrial automation, machinery and process control applications.
What supply voltage does this drive require?
The drive operates from a three-phase 380–500 V AC supply.
What is the rated output current?
The Danfoss 137U3771 has a rated output current of 170 A.
Does this frequency converter support Modbus TCP?
Yes, the drive includes Modbus TCP fieldbus protocol support for industrial automation network integration.
Does the Danfoss 137U3771 include functional safety?
Yes, it includes integrated Safe Torque Off (STO) functionality.
Trusted by Industrial Automation Engineers
Danfoss iC7-Automation frequency converters are trusted by engineers, machine builders and industrial operators for reliable motor control, efficient performance and seamless integration into demanding automation environments.
