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.
£12,750.40
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.
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.
| Power | 110 kW |
|---|---|
| Current | 206 A |
| Phase | Three Phase |
| IP Rating | IP54 |
| 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 |
| EMC Filter | Commercial |
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.
This model is designed for motors with a typical rating of up to 110 kW (150 HP).
The drive operates from a three-phase 380-500 V AC power supply.
Yes, the unit includes integrated Safe Torque Off (STO) functionality for enhanced machine safety.
The drive supports Modbus TCP communication and Ethernet connectivity for integration into industrial control systems.
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.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...