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137U7781 Danfoss 110kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137U7781 iC7-Automation frequency converter featuring 110 kW motor power, 206 A output current, 380-500 V AC input, Modbus TCP communication and integrated STO safety functionality.
£11,953.50
Why Choose the Danfoss 137U7781 iC7-Automation Frequency Converter?
The Danfoss 137U7781 is a high-performance iC7-Automation frequency converter engineered for demanding industrial motor control applications. Designed to deliver exceptional efficiency, reliability and connectivity, this advanced variable frequency drive provides precise speed and torque control for large three-phase AC motors operating in complex automation environments.
As part of the innovative Danfoss iC7-Automation series, the 137U7781 combines intelligent motor control with robust industrial communication capabilities. Its integrated safety functions, coated circuit boards and industrial-grade enclosure make it suitable for harsh manufacturing, processing and infrastructure applications where uptime and performance are critical.
Featuring a 110 kW power rating, 206 A output current and operation from a three-phase 380-500 V AC supply, this drive is ideal for conveyors, pumps, compressors, fans, material handling systems and heavy-duty industrial machinery requiring dependable variable speed control.
Key Advantages
- Advanced industrial frequency converter for automation systems.
- 110 kW motor power rating for demanding applications.
- Three-phase 380-500 V AC operation.
- Integrated Safe Torque Off (STO) functionality.
- Modbus TCP communication for automation integration.
- Coated electronic boards for improved environmental protection.
- High-efficiency operation helps reduce energy consumption.
- IP54 / UL Type 12 enclosure for industrial environments.
Key Features
- Danfoss iC7-Automation series.
- 110 kW rated motor power.
- 206 A nominal output current.
- 380-500 V AC three-phase input supply.
- Integrated Safe Torque Off (STO).
- Modbus TCP communication interface.
- Ethernet connectivity.
- Control Panel 2.8 OPX20 included.
- Coated PCB boards for enhanced durability.
- IP54 / UL Type 12 enclosure protection.
Advanced Industrial Motor Control
The Danfoss iC7-Automation platform is developed to provide precise control of industrial motors while maximising efficiency and process performance. By regulating output voltage and frequency, the drive optimises motor operation, reduces mechanical stress and helps lower overall energy consumption.
Built for modern industrial environments, the 137U7781 offers seamless integration into automation architectures through Ethernet and Modbus TCP connectivity. Its advanced design supports demanding applications requiring reliable performance, robust communication and integrated safety functionality.
Typical Applications
- Industrial conveyors and material handling systems.
- Pumps and pumping stations.
- Industrial compressors.
- HVAC and ventilation systems.
- Manufacturing and production machinery.
- Water and wastewater treatment facilities.
- Process automation systems.
- Heavy-duty industrial equipment.
Technical Specifications
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| Power | 110 kW | |
|---|---|---|
| Current | 206 A | |
| Phase | Three Phase | |
| IP Rating | IP54 | |
| EMC Filter | Commercial | |
| Series | iC7-Automation | |
| Type Code | 7FC-AUFA3N05-206AE54F2-000153339 | |
| Product type | Frequency Converter | |
| Rated motor power | 110 kW (150 HP) | |
| Rated current | 206 A | |
| Input voltage | 380-500 V AC | |
| Input phases | 3-phase | |
| Input frequency | 50 / 60 Hz | |
| Output frequency | 0-590 Hz | |
| Protection rating | IP54 / UL Type 12 | |
| EMC category | C2 | |
| Functional safety | STO | |
| Communication protocol | Modbus TCP | |
| Frame size | FB09c | |
| Dimensions (H × W × D) | approx. 1423 × 327 × 378 mm | |
| Net weight | approx. 89.81 kg |
Frequently Asked Questions
What is the Danfoss 137U7781 used for?
The Danfoss 137U7781 is a high-power frequency converter designed to control the speed and torque of three-phase AC motors in industrial automation applications.
What motor size can this drive control?
This model is designed for motors with a typical rating of up to 110 kW (150 HP).
What supply voltage does the drive require?
The drive operates from a three-phase 380-500 V AC power supply.
Does the drive include safety functionality?
Yes, the unit includes integrated Safe Torque Off (STO) functionality for enhanced machine safety.
Which communication protocols are supported?
The drive supports Modbus TCP communication and Ethernet connectivity for integration into industrial control systems.
Trusted for Industrial Automation
Danfoss iC7-Automation frequency converters are designed to deliver high-performance motor control, advanced connectivity and reliable operation across demanding industrial automation and process control applications.
