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137U6544 Danfoss 250kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137U6544 iC7-Automation air-cooled frequency converter with 480 A current rating, 380-500 V AC three-phase supply, PROFINET RT communication and IP54 / UL Type 12 enclosure protection.
£23,300.25
Why Choose the Danfoss 137U6544 iC7-Automation Frequency Converter?
The Danfoss 137U6544 is a high-performance iC7-Automation air-cooled frequency converter designed for precise control of large three-phase AC motors in demanding industrial automation, machinery and process applications. As part of the advanced Danfoss iC7-Automation series, it delivers reliable variable speed control, integrated safety and robust Ethernet-based communication for modern industrial systems.
Designed for panel builders, system integrators and industrial engineers, the iC7-Automation platform combines powerful motor performance with practical installation and commissioning features. Its standard I/O, integrated control panel and fieldbus connectivity help simplify integration with PLCs, automation controllers and industrial networks.
With a rated current of 480 A and a three-phase 380–500 V AC supply, the 137U6544 is suitable for high-power motor applications including pumps, fans, compressors, conveyors and process machinery. Its IP54 / UL Type 12 enclosure provides enhanced protection for demanding industrial environments.
Key Advantages
- High-power air-cooled frequency converter for industrial automation.
- 480 A rated current for demanding three-phase motor applications.
- Three-phase 380–500 V AC input suitable for industrial power systems.
- PROFINET RT OS7PR fieldbus communication for automation network integration.
- Integrated Safe Torque Off (STO) functional safety.
- IP54 / UL Type 12 enclosure for enhanced environmental protection.
- Standard I/O configuration supports flexible machine and process control.
Key Features
- Danfoss iC7-Automation series.
- 480 A current rating.
- Three-phase 380–500 V AC supply.
- Air-cooled frequency converter design.
- IP54 / UL Type 12 protection rating.
- Frame size FB10C.
- PROFINET RT OS7PR fieldbus protocol enabled.
- Ethernet port with no additional protocol enabled.
- Integrated functional safety with STO.
- Control Panel 2.8 OPX20 included.
- Standard I/O: 4xDI, 2xDI/O, 2xAI, 1xAO and 2xRO.
- EMC category C2 classification.
Reliable High-Power Motor Control for Industrial Systems
The Danfoss iC7-Automation frequency converter regulates motor speed and torque by adjusting output voltage and frequency. This helps improve process accuracy, reduce energy consumption and minimise mechanical stress on motors and connected machinery.
The 137U6544 is well suited to industrial drive systems where high-current motor control, PROFINET communication and enhanced enclosure protection are required. Its standard I/O and integrated control panel support efficient installation, commissioning and operation in modern automation environments.
Typical Applications
- Large industrial pumps and fan systems.
- Compressors and process equipment.
- Heavy-duty conveyors and material handling machinery.
- Manufacturing and production lines.
- Water and wastewater treatment systems.
- Factory automation drive panels.
- OEM machine building applications.
- General high-power three-phase motor speed control.
Technical Specifications
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| Power | 250 kW | |
|---|---|---|
| Current | 480 A | |
| Phase | Three Phase | |
| IP Rating | IP54 | |
| EMC Filter | Commercial | |
| Series | iC7-Automation | |
| Part number | 137U6544 | |
| Catalogue number | 7FC-AUFA3N05-480AE54F2-000151669 | |
| Model code | IC7-60FA3N05-480AE54F2+ACBC+AGCX+AJFD+BAPR+BDBA+BEF1+BF20+DAAU | |
| Product type | Air-cooled frequency converter | |
| Rated current | 480 A | |
| Input voltage | 380–500 V AC | |
| Input phases | 3-phase | |
| Protection rating | IP54 / UL Type 12 | |
| Frame size | FB10C | |
| Cooling method | Air-cooled | |
| Other protocols | Ethernet port, no protocol | |
| Safety functions | STO, not upgradable | |
| Control panel | Control Panel 2.8 OPX20 | |
| Standard I/O | 4xDI, 2xDI/O, 2xAI, 1xAO, 2xRO | |
| EMC category | C2 |
Frequently Asked Questions
What is the Danfoss 137U6544 used for?
The Danfoss 137U6544 is used to control the speed and torque of three-phase AC motors in industrial automation, machinery and process control applications.
What current rating does this frequency converter provide?
The 137U6544 has a rated current of 480 A.
What supply voltage does the Danfoss 137U6544 require?
This frequency converter is designed for a three-phase 380–500 V AC supply.
What communication protocol is enabled?
The drive includes PROFINET RT OS7PR fieldbus communication for integration with industrial automation networks.
What enclosure rating does the Danfoss 137U6544 have?
The Danfoss 137U6544 features an IP54 / UL Type 12 enclosure rating for enhanced protection in industrial environments.
Trusted by Industrial Automation Professionals
Danfoss iC7-Automation frequency converters are trusted by engineers, machine builders and system integrators for powerful motor control, flexible connectivity and reliable performance in demanding industrial environments.
