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137U5729 Danfoss 3.0kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137U5729 iC7-Automation variable frequency drive, an air-cooled three phase 380-500 V AC frequency converter with 7.2 A output current, PROFINET RT communication and integrated functional safety.
£1,250.25
Why Choose the Danfoss 137U5729 iC7-Automation Frequency Converter?
The Danfoss 137U5729 is a powerful iC7-Automation variable frequency drive (VFD) designed for precise speed and torque control of three-phase AC motors in industrial automation systems. As part of the advanced Danfoss iC7-Automation series, this frequency converter is built for machine builders, OEM manufacturers and industrial facilities requiring efficient motor control, reliable operation and seamless network integration.
This air-cooled drive combines robust power conversion with integrated communication, flexible I/O and functional safety features. Its compact IP20 / Open Type format is ideal for installation inside electrical control cabinets, while its built-in automation features help simplify commissioning, monitoring and control.
With a rated output current of 7.2 A and a three-phase 380-500 V AC supply, the Danfoss 137U5729 is suited to industrial machinery including conveyors, production equipment, pumps, fans, packaging systems and automated process machinery. Integrated PROFINET RT and Ethernet connectivity make it suitable for modern networked automation environments.
Key Advantages
- Advanced iC7-Automation frequency converter for industrial motor control.
- 7.2 A rated output current for machinery and automation systems.
- Three-phase 380-500 V AC input suitable for industrial power supplies.
- Built-in PROFINET RT communication for automation network integration.
- Integrated Safe Torque Off (STO) and SS1-t functional safety.
- Compact IP20 / Open Type enclosure for cabinet mounting.
- Flexible standard I/O for control, monitoring and system integration.
Key Features
- Danfoss iC7-Automation series.
- 7.2 A nominal output current.
- Three-phase 380-500 V AC input supply.
- Air-cooled frequency converter design.
- PROFINET RT fieldbus protocol enabled.
- Ethernet port included.
- Integrated STO and SS1-t functional safety.
- Control Panel 2.8 OPX20 interface.
- Standard I/O with digital, analogue and relay outputs.
- Compact FA02b frame size.
Efficient Motor Control for Modern Automation
Variable frequency drives such as the Danfoss 137U5729 regulate motor speed by adjusting the voltage and frequency supplied to the motor. This allows machinery to operate with improved efficiency, smoother acceleration, better process control and reduced mechanical stress on driven equipment.
The iC7-Automation platform is designed for connected industrial systems, providing communication, safety and I/O functionality required for modern automation networks. Its combination of control performance and integration flexibility makes it suitable for both standalone machines and larger production environments.
Typical Applications
- Industrial conveyors and material handling systems.
- Packaging and production machinery.
- Automated manufacturing equipment.
- Pumps, fans and ventilation systems.
- Processing and mixing machinery.
- OEM machine building applications.
- Industrial control panels and automation networks.
Technical Specifications
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| Power | 3 kW | |
|---|---|---|
| Current | 7.2 A | |
| Phase | Three Phase | |
| IP Rating | IP20 | |
| EMC Filter | Commercial | |
| Series | iC7-Automation | |
| Catalogue number | 7FC-AUFA3N05-07A2E20F2-000147283 | |
| Product type | AC variable frequency drive | |
| Drive type | Air-cooled frequency converter | |
| Rated output current | 7.2 A | |
| Input voltage | 380-500 V AC | |
| Input phases | 3-phase | |
| Protection rating | IP20 / Open Type | |
| Frame size | FA02b | |
| EMC category | C2 | |
| Control panel | Control Panel 2.8 OPX20 | |
| Fieldbus protocol | PROFINET RT OS7PR | |
| Other communication | Ethernet port | |
| Digital inputs | 4 x DI | |
| Configurable DI/O | 2 x DI/O | |
| Analogue inputs | 2 x AI | |
| Analogue outputs | 1 x AO | |
| Relay outputs | 2 x RO | |
| Functional safety | STO, SS1-t, fieldbus |
Frequently Asked Questions
What is the Danfoss 137U5729 used for?
The Danfoss 137U5729 is used to control the speed and torque of three-phase AC motors in industrial automation, machine building 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 137U5729 has a rated output current of 7.2 A.
Does the drive support industrial communication?
Yes, the drive includes PROFINET RT fieldbus communication and an Ethernet port for automation system integration.
What safety functions are included?
The drive includes integrated Safe Torque Off (STO), SS1-t and fieldbus safety functionality.
Trusted by Automation Engineers Worldwide
Danfoss iC7-Automation frequency converters are trusted by machine builders and industrial automation professionals for reliable motor control, advanced connectivity and efficient performance in demanding industrial environments.
