Danfoss 137H9902 iC7-Automation frequency converter, an air-cooled three-phase 380-500 V AC variable frequency drive with 38 A output current, Modbus TCP communication and integrated Safe Torque Off functionality.
£3,153.60
The Danfoss 137H9902 is a high-performance iC7-Automation frequency converter designed for precise motor speed control in demanding industrial automation applications. Part of the advanced Danfoss iC7 drive series, this air-cooled variable frequency drive provides efficient control of three-phase AC motors while supporting reliable integration into modern machine and process control systems.
This drive is built for industrial users who require dependable motor control, flexible connectivity and robust operational safety. With integrated standard I/O, Modbus TCP communication and Safe Torque Off functionality, the 137H9902 helps simplify automation system design while supporting accurate and efficient motor performance.
With a three-phase 380–500 V AC supply and a rated output current of 38 A, the Danfoss 137H9902 is suitable for a wide range of industrial motor-driven applications including conveyors, pumps, fans, compressors and production machinery. Its IP20/Open Type construction and FA05a frame make it suitable for installation inside electrical control panels and machinery cabinets.
Frequency converters such as the Danfoss 137H9902 regulate motor speed by adjusting output frequency and voltage. This enables industrial equipment to run with improved efficiency, smoother operation and reduced mechanical stress compared with fixed-speed motor control.
The Danfoss iC7-Automation platform is designed for modern industrial environments where reliable communication, flexible I/O and integrated safety are essential. With Modbus TCP connectivity and built-in STO functionality, this drive supports efficient automation integration across a wide range of machine and process applications.
| Power | 18.5 kW |
|---|---|
| Current | 38 A |
| Phase | Three Phase |
| IP Rating | IP20 |
| Series | iC7-Automation |
| Catalogue number | 7FC-AUFA3N05-38A0E20F3-000098364 |
| Product type | Frequency converter / variable frequency drive |
| Cooling method | Air-cooled |
| Rated output current | 38 A |
| Input voltage | 380–500 V AC |
| Input phases | 3-phase |
| Protection rating | IP20/Open Type |
| Frame size | FA05a |
| EMC category | C3 |
| Operator panel | Blind Panel OPX00 |
| Standard I/O | 4xDI, 2xDI/O, 2xAI, 1xAO, 2xRO |
| Fieldbus protocol | Modbus TCP OS7MT |
| Functional safety | STO, not upgradable |
| Dimensions (H × W × D) | approx. 399 × 165 × 269 mm |
| Weight | approx. 13.5 kg |
| EMC Filter | Industrial |
The Danfoss 137H9902 is used to control the speed and torque of three-phase AC motors in industrial automation, machinery and process control applications.
The drive operates from a three-phase 380–500 V AC supply.
The Danfoss 137H9902 has a rated output current of 38 A.
Yes, the drive includes integrated Safe Torque Off (STO) functionality.
The Danfoss 137H9902 supports Modbus TCP OS7MT for fieldbus communication and automation system integration.
Danfoss iC7-Automation frequency converters are used by engineers, machine builders and industrial operators to achieve reliable motor control, efficient operation and flexible integration in modern automation systems.
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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...