Danfoss 137H3704 iC7-Automation frequency converter, 170A industrial AC drive for high-power motor control and automation systems.
£11,736.80
The Danfoss 137H3704 is a high-performance iC7-Automation frequency converter designed for demanding industrial drive applications requiring precise motor control, high efficiency and reliable operation. As part of Danfoss’ advanced iC7 platform, it delivers accurate speed and torque regulation for three-phase AC motors across a wide range of automation environments.
Engineered for modern Industry 4.0 systems, the iC7-Automation series supports intelligent connectivity, flexible configuration and integrated safety functions. This makes it suitable for OEM machinery, process industries, conveyors, pumps and heavy-duty industrial systems where performance stability is critical.
With a supply range of 380–500 V AC and a rated current of 170 A, the 137H3704 is designed for high-power applications requiring consistent torque delivery and strong overload capability. Its cabinet-mounted, air-cooled construction ensures efficient thermal management and straightforward installation. {index=0}
The iC7-Automation platform regulates motor speed and torque by adjusting voltage and frequency output, enabling precise process control and improved system stability. This reduces mechanical stress on equipment while improving overall operational efficiency in demanding industrial environments.
Designed for modern automation systems, the drive supports advanced communication and monitoring capabilities, making it suitable for both standard machinery and complex industrial applications requiring high reliability.
| Power | 90 kW |
|---|---|
| Current | 170 A |
| Voltage | 500 V |
| Phase | Three Phase |
| IP Rating | IP20 |
| Series | iC7-Automation |
| Product type | Frequency converter / AC drive |
| Supply voltage | 380–500 V AC |
| Rated current | 170 A |
| Power rating | approx. 90 kW class |
| Input phases | 3-phase |
| Cooling type | Air-cooled |
| Protection rating | IP20 (open type) |
| Frame size | FA08 |
| EMC category | C1 / C2 |
| Functional safety | STO (Safe Torque Off) |
| Control interfaces | Fieldbus + multi I/O options |
| EMC Filter | Commercial |
It is used for precise control of three-phase AC motors in industrial automation and heavy-duty machinery applications.
The drive has a rated output current of 170 A, suitable for high-power industrial applications.
It operates on a three-phase 380–500 V AC supply.
Yes, it includes integrated Safe Torque Off (STO) functionality for safe motor shutdown.
It is typically installed inside industrial electrical control cabinets as part of automation systems.
Danfoss iC7-Automation drives are widely recognised for their reliability, advanced control performance and seamless integration into modern industrial automation environments.
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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...