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137U1139 Danfoss iC7-Automation 250kW/350 3 phase low-harmonic drive
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.
£46,366.50
Why Choose the Danfoss 137U1139 iC7-Automation Enclosed Drive?
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.
Key Advantages
- Heavy-duty enclosed variable frequency drive for industrial automation.
- 250 kW / 350 HP power rating for high-power motor applications.
- 480 A output current rating.
- Three-phase 380-500 V AC input suitable for industrial power networks.
- Low-harmonic drive design helps improve power quality.
- IP54 / UL Type 12 enclosure for enhanced environmental protection.
- Integrated STO and SS1-t functional safety capability.
- Modbus TCP communication for automation system integration.
Key Features
- Danfoss iC7-Automation Enclosed Drive series.
- 250 kW / 350 HP rated power.
- 480 A rated output current.
- Three-phase 380-500 V AC input supply.
- Low-harmonic drive configuration.
- Air-cooled enclosed drive construction.
- IP54 / UL Type 12 protection rating.
- EMC Category C3.
- 2.8 OPX20 control panel.
- Standard I/O and relay option.
- Modbus TCP communication interface.
- Functional safety with STO and SS1-t.
- Coated boards for additional environmental protection.
- Cabinet heater and auxiliary AC supply terminals included.
Advanced Low-Harmonic Motor Control
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.
Typical Applications
- Industrial process machinery.
- Large pumps and pumping systems.
- Fans, blowers and ventilation equipment.
- Compressors and plant utilities.
- Water and wastewater treatment systems.
- Manufacturing and heavy-duty automation systems.
- Energy-efficient motor control retrofit projects.
Technical Specifications
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| 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 |
Frequently Asked Questions
What is the Danfoss 137U1139 used for?
The Danfoss 137U1139 is used for high-power motor control in industrial automation, pumping, ventilation, compressor and process machinery applications.
What power rating does this drive provide?
This drive is rated at 250 kW / 350 HP with a nominal output current of 480 A.
What supply voltage does the drive require?
The 137U1139 operates from a three-phase 380-500 V AC supply.
What enclosure rating does the drive have?
The drive features an IP54 / UL Type 12 enclosure suitable for demanding industrial environments.
What communication protocol is included?
This drive configuration includes Modbus TCP communication for integration with industrial automation and control systems.
Trusted by Industrial Automation Engineers Worldwide
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.
