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.
£31,188.00
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.
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.
| Power | 355 kW |
|---|---|
| Current | 658 A |
| Phase | Three Phase |
| IP Rating | IP54 |
| 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 |
| EMC Filter | Industrial |
The Danfoss 137U5144 is used to control the speed and torque of industrial AC motors in demanding automation, process control and engineered drive applications.
The Danfoss 137U5144 has a rated current of 658 A.
This frequency converter operates from a three-phase 380–500 V AC supply.
The drive includes PROFINET RT OS7PR fieldbus communication, along with an Ethernet port with no additional protocol enabled.
The Danfoss 137U5144 has an IP54 / UL Type 12 protection rating, making it suitable for demanding industrial environments.
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.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...