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137H4255 Danfoss 250kW Three Phase iC7-Automation Variable Speed Drive
£18,001.50
Why Choose the Danfoss 137H4255 iC7 Automation Frequency Converter?
The Danfoss 137H4255 is a high-capacity iC7 Automation frequency converter designed for advanced motor control in demanding industrial automation and process environments. As part of Danfoss’s next-generation iC7 platform, it delivers precise torque regulation, high efficiency performance and strong integration with modern industrial communication systems.
Engineered for OEMs and system integrators, this drive is built for continuous-duty operation in high-power applications. Its modular architecture and advanced control features make it suitable for complex automation systems where reliability, scalability and stable performance are essential.
Based on manufacturer configuration data, the 137H4255 is rated at approximately 250 kW with a three-phase 380–500 V AC supply, making it suitable for heavy industrial applications such as large conveyors, pumps, compressors and process machinery.
Key Advantages
- Advanced iC7 Automation frequency converter platform.
- Suitable for high-power industrial applications up to 250 kW.
- Three-phase 380–500 V AC input for industrial compatibility.
- Integrated Safe Torque Off (STO) safety function.
- High efficiency motor control for reduced energy consumption.
- Designed for seamless integration into modern automation systems.
Key Features
- Danfoss iC7 Automation series drive platform.
- Air-cooled cabinet design for industrial installation.
- Advanced motor control algorithms for precise operation.
- Industrial Ethernet and fieldbus communication options (configuration dependent).
- Flexible I/O architecture for automation integration.
- Optimised for OEM and process automation applications.
Typical Applications
- Industrial conveyor systems.
- Pumps and fluid handling systems.
- Compressors and HVAC systems.
- Heavy-duty production machinery.
- Process automation systems.
- OEM high-power machine building solutions.
Frequently Asked Questions
What is the Danfoss 137H4255 used for?
It is used for controlling speed and torque of AC motors in industrial automation and heavy-duty machinery systems.
What power rating does it support?
The drive supports high-power applications typically around 250 kW depending on configuration.
What supply voltage is required?
It operates on a three-phase 380–500 V AC supply.
Does it include safety features?
Yes, it includes Safe Torque Off (STO) functionality for safe motor shutdown.
Where is it typically installed?
It is typically installed inside industrial control cabinets as part of automation systems.
Trusted Industrial Performance
Danfoss iC7 Automation drives are widely used in modern industrial environments for reliable motor control, high efficiency and seamless integration into advanced automation systems.
Technical Specifications
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| Power | 250 kW | |
|---|---|---|
| Current | 480 A | |
| Phase | Three Phase | |
| IP Rating | IP20 | |
| EMC Filter | Industrial | |
| Series | iC7 Automation | |
| Product type | Frequency converter / AC drive | |
| Rated power | 250 kW | |
| Input voltage | 380–500 V AC | |
| Input phases | 3-phase | |
| Output current | 480 A | |
| Protection rating | IP20 / Open type | |
| Cooling | Air-cooled | |
| Functional safety | STO (Safe Torque Off) | |
| Mounting | Cabinet / panel mounted |
