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137H3704 Danfoss 90kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137H3704 iC7-Automation frequency converter, 170A industrial AC drive for high-power motor control and automation systems.
£11,003.25
Why Choose the Danfoss 137H3704 iC7-Automation Frequency Converter?
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}
Key Advantages
- Advanced iC7-Automation drive platform for precise motor control.
- 170 A rated output current for heavy industrial loads.
- Three-phase 380–500 V AC supply compatibility.
- Integrated Safe Torque Off (STO) safety functionality.
- Flexible fieldbus communication options for automation systems.
- High energy efficiency with optimised motor control.
Key Features
- Danfoss iC7-Automation series frequency converter.
- 170 A nominal output current.
- 380–500 V AC three-phase input.
- Air-cooled modular drive design.
- PROFINET RT communication support (depending on configuration).
- Flexible I/O structure for industrial integration.
- Built-in STO safety function.
- IP20 cabinet-mounted enclosure for control panel installation.
Reliable Motor Control for Industrial Automation
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.
Typical Applications
- Heavy-duty conveyors and material handling systems.
- Pumps, compressors and ventilation systems.
- Industrial production machinery.
- Process automation systems.
- OEM heavy-duty equipment.
- Energy-optimised industrial installations.
Technical Specifications
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| Power | 90 kW | |
|---|---|---|
| Current | 170 A | |
| Voltage | 500 V | |
| Phase | Three Phase | |
| IP Rating | IP20 | |
| EMC Filter | Commercial | |
| 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 |
Frequently Asked Questions
What is the Danfoss 137H3704 used for?
It is used for precise control of three-phase AC motors in industrial automation and heavy-duty machinery applications.
What is the rated current of this drive?
The drive has a rated output current of 170 A, suitable for high-power industrial applications.
What voltage does it operate on?
It operates on a three-phase 380–500 V AC supply.
Does it include safety functions?
Yes, it includes integrated Safe Torque Off (STO) functionality for safe motor shutdown.
Where is this drive installed?
It is typically installed inside industrial electrical control cabinets as part of automation systems.
Trusted in Industrial Drive Applications
Danfoss iC7-Automation drives are widely recognised for their reliability, advanced control performance and seamless integration into modern industrial automation environments.
