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137H3805 Danfoss 22kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137H3805 iC7 Automation frequency converter designed for medium-duty industrial motor control, offering efficient performance and reliable automation integration.
£3,930.00
Why Choose the Danfoss 137H3805 iC7 Automation Drive?
The Danfoss 137H3805 is a high-performance iC7 Automation frequency converter designed for demanding industrial motor control applications. It provides precise speed and torque regulation for AC motors, supporting efficient, stable and energy-optimised operation in modern automation systems.
As part of the advanced Danfoss iC7 platform, this model is built for industrial environments requiring flexible configuration, robust communication capabilities and integrated safety functions. It is widely used by OEMs and industrial operators in production systems where reliability and control accuracy are essential.
This specific configuration operates on a three-phase 380–500 V AC supply and is typically rated at 43 A / 22 kW class, making it suitable for medium-duty industrial applications such as conveyors, pumps, compressors and general-purpose machinery. {index=0}
Key Advantages
- Advanced iC7 Automation variable frequency drive technology.
- Designed for medium-duty industrial motor control.
- 380–500 V AC input range for global industrial compatibility.
- Integrated Safe Torque Off (STO) safety functionality.
- High efficiency operation for reduced energy consumption.
- Flexible industrial communication and control options.
Key Features
- Danfoss iC7 Automation series frequency converter.
- 43 A rated output current class with industrial overload capability.
- Approx. 22 kW / 30 hp motor capacity (depending on load class).
- Built-in Safe Torque Off (STO) safety function.
- Advanced motor control for induction and permanent magnet motors.
- Flexible I/O configuration for automation systems.
- Support for industrial fieldbus communication (variant dependent).
- Air-cooled, cabinet-ready design for control panels.
Reliable Motor Control for Industrial Automation
The Danfoss iC7 Automation drive regulates motor speed by adjusting output frequency and voltage, enabling precise control of AC motor systems. This improves process stability, reduces mechanical wear and enhances overall system efficiency.
Its control architecture is designed for consistent operation under variable load conditions, making it suitable for continuous industrial processes and OEM machine applications.
Typical Applications
- Industrial conveyor systems.
- Pumps and fluid handling equipment.
- HVAC and ventilation systems.
- Compressors and process machinery.
- Manufacturing automation systems.
- OEM machine integration and control panels.
Technical Specifications
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| Power | 22 kW | |
|---|---|---|
| Current | 43 A | |
| Phase | Three Phase | |
| IP Rating | IP20 | |
| EMC Filter | Commercial | |
| Product family | iC7 Automation | |
| Product type | Frequency converter / variable frequency drive | |
| Input voltage | 380–500 V AC | |
| Input phases | 3-phase | |
| Input frequency | 50 / 60 Hz | |
| Rated current | 43 A | |
| Power rating | 22 kW / 30 hp | |
| Protection rating | IP20 / Open Type | |
| Frame size | FA05b | |
| Cooling type | Air-cooled | |
| Control functions | Advanced speed and torque control | |
| Safety function | Safe Torque Off (STO) |
Frequently Asked Questions
What is the Danfoss 137H3805 used for?
It is used to control speed and torque of AC motors in industrial automation and process applications.
What voltage range does it support?
It operates on a three-phase 380–500 V AC supply.
What power rating does this model have?
It is typically rated at around 22 kW / 30 hp depending on configuration.
Does it include safety features?
Yes, it includes Safe Torque Off (STO) functionality for safe motor operation.
What industries use this drive?
It is commonly used in manufacturing, HVAC, pumping systems, conveyors and industrial automation.
Trusted in Industrial Automation Worldwide
Danfoss iC7 Automation drives are widely used across industry to deliver precise motor control, improved energy efficiency and reliable long-term performance in demanding applications.
