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137U4349 Danfoss 1.1kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137U4349 iC7-Automation variable speed drive, a 1.1 kW three-phase frequency converter with 380–500 V AC input, 3.0 A output current, EtherNet/IP communication and integrated Safe Torque Off functionality.
£910.50
Why Choose the Danfoss 137U4349 iC7-Automation Drive?
The Danfoss 137U4349 is a compact and highly capable iC7-Automation variable speed drive (VSD) designed for precise motor control in industrial automation and machine building applications. As part of the advanced Danfoss iC7-Automation series, it provides efficient speed and torque control for three-phase motors while supporting modern control networks and safety requirements.
This frequency converter is engineered for demanding automation environments where reliability, flexibility and performance are essential. The iC7-Automation platform combines intelligent motor control, configurable I/O, integrated communications and safety features to simplify machine design and improve productivity.
With a rated output power of 1.1 kW and a three-phase 380–500 V AC supply, the Danfoss 137U4349 is ideal for compact industrial motors used in conveyors, packaging equipment, pumps, fans and OEM machinery. Its IP20 open-type construction is suitable for installation inside electrical control panels or machine cabinets.
Key Advantages
- Advanced variable speed drive for industrial automation applications.
- 1.1 kW motor power rating for compact machinery and process equipment.
- Three-phase 380–500 V AC input suitable for industrial power systems.
- Integrated Safe Torque Off (STO) functional safety.
- EtherNet/IP communication for automation network integration.
- Compact IP20 open-type format for control cabinet installation.
- Efficient motor control helps reduce energy use and mechanical wear.
Key Features
- Danfoss iC7-Automation drive series.
- 1.1 kW rated output power.
- 3.0 A nominal output current.
- Three-phase 380–500 V AC input supply.
- Integrated Safe Torque Off (STO) functionality.
- EtherNet/IP OS7IP fieldbus communication.
- Standard I/O including 4 DI, 2 DI/O, 2 AI, 1 AO and 2 RO.
- Control Panel 2.8 OPX20 included.
- EMC categories C1 and C2.
- Air-cooled IP20 / open-type construction.
Advanced Motor Control for Automated Machinery
Variable speed drives such as the Danfoss 137U4349 regulate motor speed by adjusting output voltage and frequency. This enables smoother acceleration, improved process control and reduced stress on motors, gearboxes and driven machinery.
The iC7-Automation platform is designed for modern industrial automation systems. Its communication, safety and I/O capabilities allow integration with PLCs, HMIs and industrial Ethernet networks, making it suitable for smart manufacturing and OEM machine building.
Typical Applications
- Industrial conveyors and material handling systems.
- Packaging and production machinery.
- Pumps, fans and ventilation equipment.
- Mixers and processing equipment.
- Automated assembly systems.
- OEM machine building and panel integration.
- Industrial automation and control systems.
Technical Specifications
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| Power | 1.1 kW | |
|---|---|---|
| Current | 3 A | |
| Phase | Three Phase | |
| IP Rating | IP20 | |
| EMC Filter | Commercial | |
| Series | iC7-Automation | |
| Catalogue number | 7FC-AUFA3N05-03A0E20F1-000145435 | |
| Product type | Variable speed drive / frequency converter | |
| Rated output power | 1.1 kW | |
| Rated output current | 3.0 A | |
| Input voltage | 380–500 V AC | |
| Input phases | 3-phase | |
| Frequency | 50 / 60 Hz | |
| Protection rating | IP20 / open type | |
| Mounting type | Panel / cabinet mounting | |
| Frame size | FA02b | |
| Cooling method | Air cooled | |
| EMC category | C1 and C2 | |
| Communication protocol | EtherNet/IP OS7IP | |
| Functional safety | STO, not upgradeable |
Frequently Asked Questions
What is the Danfoss 137U4349 used for?
The Danfoss 137U4349 is used to control the speed and torque of three-phase AC motors in industrial automation, production machinery and OEM machine building applications.
What motor power does this drive support?
This model is rated for motors with an output power of approximately 1.1 kW.
What supply voltage does the Danfoss 137U4349 require?
The drive operates from a three-phase 380–500 V AC supply.
Does this drive include safety functionality?
Yes. The Danfoss 137U4349 includes integrated Safe Torque Off (STO) functionality for machine safety applications.
Where is this drive typically installed?
The IP20 open-type design is intended for installation inside electrical control panels or machine cabinets.
Trusted by Automation Engineers Worldwide
Danfoss iC7-Automation drives are trusted by machine builders, panel builders and industrial automation engineers for dependable motor control, flexible connectivity and efficient performance in demanding industrial environments.
