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137U5144 Danfoss 355kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137U5144 iC7-Automation air-cooled frequency converter with 658 A current rating, 380-500 V AC three phase supply, PROFINET RT communication, STO safety and IP54 / UL Type 12 protection.
£29,238.75
Why Choose the Danfoss 137U5144 iC7-Automation Frequency Converter?
The Danfoss 137U5144 is a high-performance iC7-Automation frequency converter designed for demanding industrial motor control, automation and process applications. As part of the advanced Danfoss iC7-Automation drive platform, this air-cooled frequency converter delivers reliable performance, flexible connectivity and precise motor control for modern industrial environments.
Engineered for heavy-duty applications, the 137U5144 combines robust drive performance with PROFINET communication, standard I/O and integrated functional safety. Its IP54 / UL Type 12 enclosure provides enhanced protection for demanding installations where durability, automation integration and long-term operational reliability are essential.
With a 658 A current rating, three-phase 380–500 V AC supply and PROFINET RT OS7PR communication, the Danfoss 137U5144 is ideal for industrial motors used in process plants, pumps, fans, compressors, conveyors and engineered drive systems.
Key Advantages
- High-performance iC7-Automation frequency converter for industrial motor control.
- 658 A current rating for demanding drive applications.
- Three-phase 380–500 V AC input compatible with industrial power networks.
- IP54 / UL Type 12 enclosure for increased environmental protection.
- PROFINET RT OS7PR fieldbus communication for automation integration.
- Integrated Safe Torque Off (STO) functionality.
- Standard I/O with digital, analogue and relay interfaces.
- Air-cooled design for reliable industrial operation.
Key Features
- Danfoss iC7-Automation frequency converter series.
- Air-cooled drive construction.
- 658 A rated current.
- Three-phase 380–500 V AC mains voltage.
- IP54 / UL Type 12 protection rating.
- Frame size FB11.
- EMC category C3.
- PROFINET RT OS7PR communication interface.
- Control Panel 2.8 OPX20.
- Standard I/O: 4x DI, 2x DI/O, 2x AI, 1x AO and 2x RO.
- Integrated STO safety function, not upgradable.
- Ethernet port with no additional protocol enabled.
Reliable High-Power Motor Control
Frequency converters such as the Danfoss 137U5144 regulate motor speed and torque by controlling output voltage and frequency. This helps improve process precision, reduce mechanical stress and optimise energy use across demanding industrial applications.
The iC7-Automation platform is designed for modern automation networks, offering flexible communication, integrated I/O and dependable drive performance. With PROFINET RT connectivity, STO safety functionality and an IP54 enclosure, the 137U5144 is well suited to industrial installations requiring reliable motor control and seamless system integration.
Typical Applications
- Industrial motor control systems.
- Process automation and production machinery.
- Pumps, fans and compressors.
- Material handling and conveyor systems.
- Water and wastewater treatment plants.
- Mining, metals and heavy industrial equipment.
- OEM automation and engineered drive panels.
- Manufacturing plants requiring precise speed control.
Technical Specifications
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| Power | 355 kW | |
|---|---|---|
| Current | 658 A | |
| Phase | Three Phase | |
| IP Rating | IP54 | |
| EMC Filter | Industrial | |
| Series | iC7-Automation | |
| Part Number | 137U5144 | |
| Model Code | IC7-60FA3N05-658AE54F3+AGCX+AHHX+AJFD+BAPR+BDBA+BEF1+BF20+DAAU | |
| Product Type | Frequency converter | |
| Product Category | Air-cooled frequency converter | |
| Current Rating | 658 A | |
| Input Voltage | 380–500 V AC | |
| Input Phases | 3-phase | |
| Protection Rating | IP54 / UL Type 12 | |
| Frame Size | FB11 | |
| EMC Category | C3 | |
| Fieldbus Protocol | PROFINET RT OS7PR | |
| Other Protocols | Ethernet port, no protocol | |
| Standard I/O | 4x DI, 2x DI/O, 2x AI, 1x AO, 2x RO | |
| Safety Function | STO, not upgradable | |
| Control Panel | Control Panel 2.8 OPX20 | |
| Cooling Method | Air-cooled | |
| Approx. Weight | 205.8 kg | |
| Approx. Dimensions | 602 × 2043 × 510 mm |
Frequently Asked Questions
What is the Danfoss 137U5144 used for?
The Danfoss 137U5144 is used to control the speed and torque of industrial AC motors in demanding automation, process control and engineered drive applications.
What current rating does this frequency converter have?
The Danfoss 137U5144 has a rated current of 658 A.
What supply voltage does the Danfoss 137U5144 require?
This frequency converter operates from a three-phase 380–500 V AC supply.
Which communication protocol is included?
The drive includes PROFINET RT OS7PR fieldbus communication, along with an Ethernet port with no additional protocol enabled.
What protection rating does the Danfoss 137U5144 have?
The Danfoss 137U5144 has an IP54 / UL Type 12 protection rating, making it suitable for demanding industrial environments.
Trusted by Industrial Automation Engineers
Danfoss iC7-Automation frequency converters are trusted by engineers and system integrators for demanding drive applications where reliable motor control, flexible connectivity and long-term performance are essential.
