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137H4270 Danfoss 355kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137H4270 iC7-Automation frequency converter for industrial motor control, designed for high-power automation applications with precise speed and torque regulation.
£24,699.00
Why Choose the Danfoss 137H4270 iC7-Automation Drive?
The Danfoss 137H4270 is a high-performance iC7-Automation frequency converter designed for advanced industrial motor control applications. Built for demanding automation environments, it delivers precise speed and torque regulation for three-phase AC motors across a wide range of industrial machinery and process systems.
As part of Danfoss’s next-generation drive platform, the iC7 series is engineered for flexibility, connectivity, and energy efficiency. The 137H4270 model is configured for heavy-duty automation tasks where reliability, system integration, and long-term operational stability are critical.
This unit typically operates on a three-phase 380–500 V AC supply and is rated for high-current industrial use, making it suitable for medium to large motor applications such as conveyors, pumps, compressors, and production machinery. Its modular architecture allows tailored configuration for specific automation requirements.
Key Advantages
- Advanced iC7-Automation variable frequency drive platform.
- Optimised for high-precision motor speed and torque control.
- Compatible with 380–500 V AC three-phase industrial supply.
- Integrated Safe Torque Off (STO) safety functionality.
- Highly configurable for complex automation systems.
- Designed for energy efficiency and reduced operational costs.
Key Features
- Danfoss iC7-Automation frequency converter series.
- High-current industrial drive architecture.
- Approximate rating: 658 A output current class.
- Power class up to approx. 355 kW (configuration dependent).
- Supports industrial Ethernet communication interfaces.
- Fieldbus support (e.g. PROFINET RT depending on configuration).
- Built-in control panel interface (iC7 OPX20).
- Air-cooled cabinet/panel-mounted design.
- Expandable I/O configuration for automation integration.
Advanced Motor Control for Industrial Systems
The Danfoss iC7-Automation series is designed to provide precise motor control even in demanding open-loop and closed-loop applications. By optimising frequency and voltage delivery, it improves energy efficiency, reduces mechanical stress, and enhances process stability across industrial operations.
The 137H4270 is particularly suited for high-power automation environments where consistent performance and system flexibility are essential, including production lines, heavy machinery, and large-scale process control systems.
Typical Applications
- Heavy industrial automation systems.
- Conveyors and material handling equipment.
- Pumps, compressors, and fan systems.
- Processing and manufacturing machinery.
- Energy and utility infrastructure systems.
- OEM machine building and system integration.
Technical Specifications
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| Power | 355 kW | |
|---|---|---|
| Current | 658 A | |
| Phase | Three Phase | |
| IP Rating | IP20 | |
| EMC Filter | Industrial | |
| Product family | iC7-Automation | |
| Product type | AC variable frequency drive / frequency converter | |
| Input voltage | 380–500 V AC | |
| Input phases | 3-phase | |
| Rated output current | approx. 658 A | |
| Power rating | up to approx. 355 kW class (depending on duty) | |
| Enclosure rating | IP20 / Open Type | |
| Cooling method | Air-cooled | |
| Control panel | iC7 OPX20 | |
| Safety function | Safe Torque Off (STO) | |
| Mounting type | Cabinet / panel installation |
Frequently Asked Questions
What is the Danfoss 137H4270 used for?
It is used to control the speed and torque of three-phase AC motors in industrial automation and heavy machinery applications.
What voltage does this drive require?
The drive operates on a three-phase 380–500 V AC supply.
What size motors can it support?
It is suitable for medium to large industrial motors, typically in the high-power class depending on configuration.
Does it include safety features?
Yes, it includes integrated Safe Torque Off (STO) functionality for safe motor shutdown.
What communication options are available?
Depending on configuration, it supports industrial Ethernet and fieldbus protocols such as PROFINET RT.
Trusted Industrial Drive Technology
The Danfoss iC7-Automation platform is widely adopted in modern industry for its scalability, advanced control performance, and energy-efficient operation in demanding automation environments.
