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137H3791 Danfoss 45kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137H3791 iC7 Automation frequency converter designed for industrial motor control, offering advanced performance for automation and process applications.
£8,194.50
Why Choose the Danfoss 137H3791 iC7 Automation Drive?
The Danfoss 137H3791 is a high-performance iC7 Automation frequency converter designed for demanding industrial motor control applications. It delivers precise speed and torque regulation for AC motors, supporting efficient and stable operation across modern automation systems.
As part of the advanced Danfoss iC7 drive platform, this model is engineered for industrial environments requiring high reliability, flexible configuration and seamless integration with modern fieldbus and industrial Ethernet systems. It is widely used in OEM machinery and process automation where performance and uptime are critical.
This drive operates on a three-phase 380–500 V AC supply and is typically configured for industrial motor loads up to around 45 kW, making it suitable for conveyors, pumps, compressors and other medium-duty automation applications. {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 broad industrial compatibility.
- Integrated Safe Torque Off (STO) safety function.
- High efficiency operation for reduced energy consumption.
- Flexible integration with industrial communication networks.
Key Features
- Danfoss iC7 Automation series frequency converter.
- Rated for approximately 90 A output current class.
- Supports induction and permanent magnet motor control.
- Built-in STO safety functionality.
- Advanced control architecture for dynamic load handling.
- Modular communication options for industrial automation systems.
- Robust design for harsh industrial environments.
Reliable Motor Control for Industrial Automation
The Danfoss iC7 Automation drive regulates motor performance by adjusting output voltage and frequency, enabling precise control of speed and torque. This improves process stability, reduces mechanical wear and enhances overall system efficiency.
Its advanced control system is designed to handle variable load conditions, ensuring consistent performance in demanding industrial environments such as continuous production and process automation.
Typical Applications
- Industrial conveyor systems.
- Pumping and fluid handling systems.
- HVAC and ventilation systems.
- Compressors and process equipment.
- Manufacturing automation systems.
- OEM machine integration and control panels.
Technical Specifications
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| Power | 45 kW | |
|---|---|---|
| Current | 90 A | |
| Phase | Three Phase | |
| IP Rating | IP21 | |
| 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 | 90 A | |
| Power rating | approx. 45 kW / 60 hp | |
| Protection rating | IP21 / UL Type 1 | |
| Frame size | FK07 | |
| Control functions | Advanced speed and torque control | |
| Safety function | Safe Torque Off (STO) | |
| Cooling type | Air-cooled |
Frequently Asked Questions
What is the Danfoss 137H3791 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 range does this model support?
It is typically used for motors around 45 kW / 60 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.
