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137U4112 Danfoss 400kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137U4112 iC7-Automation frequency converter, a three phase 380-500 V AC industrial variable speed drive with 736 A output current, Modbus TCP communication, IP54 / UL Type 12 protection and integrated STO functionality.
£36,276.00
Why Choose the Danfoss 137U4112 iC7-Automation Frequency Converter?
The Danfoss 137U4112 is a high-power iC7-Automation frequency converter designed for reliable control of large three-phase AC motors in demanding industrial environments. As part of the advanced Danfoss iC7-Automation drive platform, it delivers precise motor speed regulation, efficient operation and flexible integration into modern automation systems.
This air-cooled variable speed drive is engineered for industrial applications where uptime, safety and communication capability are essential. Its IP54 / UL Type 12 enclosure provides enhanced protection for installations that require greater resistance to dust and environmental exposure than open-panel drive formats.
With a rated output current of 736 A and a three-phase 380-500 V AC supply, the Danfoss 137U4112 is suitable for high-power motor applications including pumps, fans, compressors, conveyors, processing machinery and infrastructure systems.
Key Advantages
- High-performance industrial frequency converter for demanding motor control applications.
- 736 A rated output current for high-power industrial motors.
- Three-phase 380-500 V AC input suitable for industrial power systems.
- IP54 / UL Type 12 enclosure for enhanced environmental protection.
- Integrated Safe Torque Off (STO) functionality.
- Modbus TCP fieldbus support for automation network integration.
- Air-cooled construction for efficient thermal management.
- Standard I/O configuration for flexible control system connectivity.
Key Features
- Danfoss iC7-Automation series.
- 736 A rated output current.
- Three-phase 380-500 V AC input supply.
- Air-cooled frequency converter design.
- IP54 / UL Type 12 protection rating.
- Frame size FB11.
- EMC category C3.
- Modbus TCP OS7MT fieldbus protocol enabled.
- Integrated Ethernet port.
- Integrated Safe Torque Off (STO) safety function.
- Control Panel 2.8 OPX20 interface.
Reliable Motor Control for High-Power Applications
Frequency converters such as the Danfoss 137U4112 regulate motor speed by adjusting output voltage and frequency. This allows industrial motors to operate more efficiently while improving process stability, reducing mechanical stress and supporting smoother machine operation.
The iC7-Automation platform is developed for modern industrial facilities where reliable operation, diagnostics, safety and digital connectivity are critical. With Modbus TCP communication, integrated Ethernet and STO functionality, this drive is well suited to high-power automation and process control systems.
Typical Applications
- Heavy-duty industrial pumps and fans.
- Large conveyor and material handling systems.
- Compressors and ventilation equipment.
- Process and production machinery.
- Water and wastewater treatment plants.
- Manufacturing and infrastructure systems.
- OEM machinery requiring high-power motor control.
Technical Specifications
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| Power | 400 kW | |
|---|---|---|
| Current | 736 A | |
| Phase | Three Phase | |
| IP Rating | IP54 | |
| EMC Filter | Industrial | |
| Series | iC7-Automation | |
| Part number | 137U4112 | |
| Catalogue number | 7FC-AUFA3N05-736AE54F3-000145130 | |
| Model code | IC7-60FA3N05-736AE54F3+ACBC+AGCX+AJFD+AMMX+APHS+BAMT+BDBA+BEF1+BF20+CAC0+DAAU | |
| Product type | Frequency converter / variable speed drive | |
| Rated output current | 736 A | |
| Input voltage | 380-500 V AC | |
| Input phases | 3-phase | |
| Cooling method | Air cooled | |
| Protection rating | IP54 / UL Type 12 | |
| Frame size | FB11 | |
| EMC category | C3 | |
| Communication protocol | Modbus TCP OS7MT | |
| Other communication | Ethernet port | |
| Standard I/O | 4×DI, 2×DI/O, 2×AI, 1×AO, 2×RO | |
| Functional safety | STO (Safe Torque Off) | |
| Control panel | OPX20 |
Frequently Asked Questions
What is the Danfoss 137U4112 used for?
The Danfoss 137U4112 is used to control the speed and torque of large three-phase AC motors in industrial automation, process control and heavy-duty machinery applications.
What output current does this drive provide?
The drive has a rated output current of approximately 736 A.
What supply voltage does the Danfoss 137U4112 require?
The drive operates from a three-phase 380-500 V AC supply.
Which communication protocol is enabled?
The Danfoss 137U4112 supports Modbus TCP communication and includes an Ethernet port for industrial network connectivity.
Does this drive include functional safety?
Yes, the drive includes integrated Safe Torque Off (STO) functionality for improved machine safety.
Trusted for Industrial Automation
Danfoss iC7-Automation drives are trusted by engineers, OEMs and industrial operators for reliable motor control, efficient operation and seamless integration into advanced automation systems.
