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137N8231 Danfoss iC7-Automation 450kW/600 3 phase low-harmonic drive
Danfoss 137N8231 iC7-Automation enclosed drive, an 820 A three phase 380-500 V AC variable frequency drive designed for demanding industrial motor control and automation applications.
£76,167.00
Why Choose the Danfoss 137N8231 iC7-Automation Enclosed Drive?
The Danfoss 137N8231 is a high-performance iC7-Automation enclosed drive designed for demanding industrial motor control applications requiring reliable operation, efficient performance and flexible automation integration. As part of the advanced Danfoss iC7-Automation drive range, it is engineered for precise control of large three-phase AC motors in process, manufacturing and infrastructure environments.
This air-cooled enclosed variable frequency drive combines robust cabinet construction with advanced Danfoss drive technology. Its enclosed design supports dependable operation in industrial plant rooms and drive areas, while its configurable control platform allows integration into modern automation and process control systems.
With an 820 A current rating and a three-phase 380–500 V AC supply, the Danfoss 137N8231 is suitable for large industrial motors used in pumps, fans, compressors, conveyors and process machinery. The IP54 / UL Type 12 enclosed format provides enhanced protection for demanding industrial installations.
Key Advantages
- High-power enclosed variable frequency drive for industrial motor control.
- 820 A current rating suitable for large motor applications.
- Three-phase 380–500 V AC input for industrial power systems.
- IP54 / UL Type 12 enclosure for protected industrial installations.
- Advanced Danfoss iC7-Automation platform for flexible system integration.
- Air-cooled enclosed cabinet design for demanding drive applications.
- Suitable for pumps, fans, compressors, conveyors and process equipment.
Key Features
- Danfoss iC7-Automation enclosed drive series.
- 820 A rated current.
- Three-phase 380–500 V AC mains voltage.
- IP54 / UL Type 12 protection rating.
- Air-cooled enclosed drive construction.
- EMC Category C3 classification.
- Control Panel 2.8 OPX20 support.
- Standard I/O and relay functionality depending on configuration.
- Industrial cabinet format for high-power motor control.
- Designed for demanding automation and process systems.
Reliable Motor Control for High-Power Industrial Systems
Variable frequency drives such as the Danfoss 137N8231 regulate motor speed and torque by controlling output voltage and frequency. This helps improve process stability, reduce mechanical stress and optimise energy use across large motor-driven systems.
The iC7-Automation enclosed drive platform is designed for demanding applications where uptime, performance and integration flexibility are essential. Its robust enclosure supports industrial installation requirements, while its advanced control architecture helps engineers manage high-power motor systems efficiently.
Typical Applications
- Large industrial pump control systems.
- Fans, blowers and ventilation equipment.
- Compressors and process machinery.
- Conveyors and heavy material handling systems.
- Water and wastewater treatment plants.
- Manufacturing and production equipment.
- Industrial automation and plant drive rooms.
Technical Specifications
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| Power | 450 kW | |
|---|---|---|
| Current | 820 A | |
| Voltage | 500 V | |
| Phase | Three Phase | |
| IP Rating | IP54 | |
| Series | iC7-Automation | |
| Product code | 137N8231 | |
| Product type | Enclosed variable frequency drive | |
| Drive category | Air-cooled enclosed drive | |
| Current rating | 820 A | |
| Input voltage | 380–500 V AC | |
| Input phases | 3-phase | |
| Protection rating | IP54 / UL Type 12 | |
| EMC category | C3 | |
| Cooling method | Air cooled | |
| Control function | Variable speed motor control | |
| Typical motor type | Three-phase AC motor | |
| Installation type | Floor-standing enclosed cabinet | |
| Application type | Industrial automation, machinery and process control |
Frequently Asked Questions
What is the Danfoss 137N8231 used for?
The Danfoss 137N8231 is used to control the speed and torque of large three-phase AC motors in industrial automation, process and infrastructure applications.
What current rating does this drive have?
This enclosed drive has a current rating of approximately 820 A.
What supply voltage does the drive require?
The Danfoss 137N8231 operates from a three-phase 380–500 V AC supply.
What protection rating does this drive have?
The drive has an IP54 / UL Type 12 enclosed protection rating for robust industrial installations.
Where is this drive typically installed?
The drive is typically installed in industrial electrical rooms, plant drive areas and control system environments where large motor control is required.
Trusted by Industrial Automation Engineers Worldwide
Danfoss iC7-Automation enclosed drives are used by engineers, machine builders and system integrators to deliver efficient motor control, reliable operation and flexible automation integration in demanding industrial systems.
