Danfoss 137U1139 iC7-Automation enclosed low-harmonic variable frequency drive rated at 250 kW and 480 A for three-phase 380-500 V AC industrial motor control applications.
£49,457.60
The Danfoss 137U1139 is a high-performance iC7-Automation Enclosed Drive designed for demanding industrial motor control applications requiring robust protection, efficient operation and advanced automation connectivity. Built for high-power systems, this enclosed variable frequency drive provides precise speed and torque control for motors used in process industries, pumping systems, ventilation equipment and heavy-duty machinery.
As part of the advanced Danfoss iC7-Automation enclosed drive range, the 137U1139 combines air-cooled enclosed construction with a low-harmonic drive configuration. This helps improve power quality while supporting reliable motor control in industrial environments where uptime, efficiency and system stability are critical.
With a rated output current of 480 A, a 250 kW / 350 HP power rating and a three-phase 380-500 V AC supply, the 137U1139 is engineered for high-demand industrial installations. The IP54 / UL Type 12 enclosure provides strong protection for challenging plant environments.
Variable frequency drives such as the Danfoss iC7-Automation Enclosed Drive regulate motor speed by adjusting output voltage and frequency. This allows industrial motors to operate more efficiently, match process demand and reduce mechanical stress on pumps, fans, compressors and production equipment.
The low-harmonic configuration of the 137U1139 helps reduce harmonic distortion in the electrical network, supporting better power quality and dependable operation in large industrial installations. Its integrated safety, communication and cabinet features make it suitable for demanding automation systems.
| Power | 250 kW |
|---|---|
| Current | 480 A |
| Voltage | 500 V |
| Phase | Three Phase |
| IP Rating | IP54 |
| Series | iC7-Automation Enclosed Drives |
| Product type | Enclosed variable frequency drive |
| Model code | IC7-60EA3H05-480AE54F3+BAMT+BEF2+DAAU+EGXX+GACO+IBCH+IFCS+IHAS+QALS |
| Rated power | 250 kW / 350 HP |
| Rated output current | 480 A |
| Input voltage | 380-500 V AC |
| Input phases | Three-phase |
| Drive type | Low-harmonic drive |
| Cooling method | Air cooled |
| Protection rating | IP54 / UL Type 12 |
| EMC category | C3 |
| Control panel | 2.8 OPX20 |
| I/O option | I/O and Relay Option OC7C1 |
| Fieldbus | Modbus TCP OS7MT |
| Functional safety | STO, SS1-t, fieldbus |
| Frame | AE10 + IE10 |
| Net weight | approx. 690 kg |
| Gross weight | approx. 810 kg |
| EAN | 5715253694214 |
The Danfoss 137U1139 is used for high-power motor control in industrial automation, pumping, ventilation, compressor and process machinery applications.
This drive is rated at 250 kW / 350 HP with a nominal output current of 480 A.
The 137U1139 operates from a three-phase 380-500 V AC supply.
The drive features an IP54 / UL Type 12 enclosure suitable for demanding industrial environments.
This drive configuration includes Modbus TCP communication for integration with industrial automation and control systems.
Danfoss iC7-Automation enclosed drives are trusted by industrial engineers and machine builders for robust high-power motor control, low-harmonic performance and seamless integration into modern automation systems.
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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...