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137H3743 Danfoss 45kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137H3743 iC7-Automation frequency converter with approx. 45 kW power class, 90 A rated current, and integrated STO safety for industrial automation applications.
£7,726.50
Why Choose the Danfoss 137H3743 iC7-Automation Frequency Converter?
The Danfoss 137H3743 is a high-performance iC7-Automation frequency converter designed for advanced industrial motor control, delivering precise speed regulation, strong torque capability, and reliable operation in demanding automation environments.
Built on Danfoss’ latest generation iC7 platform, this drive offers intelligent control, modular flexibility, and enhanced energy efficiency. It is widely used in conveyors, pumps, fans, compressors, and OEM machinery where stable and accurate motor performance is required.
This configuration operates with a rated output current of 90 A and a power class of approximately 45 kW, supporting a three-phase 380–500 V AC supply. It is engineered for cabinet installation and continuous-duty industrial applications in demanding environments. {index=0}
Key Advantages
- Advanced iC7-Automation drive platform for intelligent motor control.
- 90 A rated output current for high-load industrial performance.
- Approx. 45 kW power class suitable for heavy-duty applications.
- 380–500 V AC three-phase input for standard industrial compatibility.
- Integrated Safe Torque Off (STO) safety function as standard.
- High efficiency design reducing energy losses and improving thermal performance.
Key Features
- Danfoss iC7-Automation series frequency converter.
- 90 A nominal output current.
- Approx. 45 kW rated power.
- 380–500 V AC input supply.
- IP20 cabinet-mounted design for control panel installation.
- Advanced vector control for precise motor regulation.
- Modular architecture for flexible system integration.
- Supports multiple industrial communication options depending on configuration.
Reliable Motor Control for Industrial Automation
The iC7-Automation platform delivers precise control of motor speed and torque by continuously adjusting output frequency and voltage. This ensures smooth operation, improved process stability, and reduced mechanical stress across connected equipment.
Its modular architecture supports scalable automation systems, making it suitable for both standalone machinery and fully integrated production environments.
Typical Applications
- Industrial automation systems.
- Conveyors and material handling equipment.
- Pumps, fans, and compressors.
- OEM machinery and production lines.
- Process control environments.
- Energy-efficient motor drive systems.
Technical Specifications
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| Power | 45 kW | |
|---|---|---|
| Current | 90 A | |
| Phase | Three Phase | |
| IP Rating | IP20 | |
| EMC Filter | Commercial | |
| Series | iC7-Automation | |
| Product type | Frequency converter / AC drive | |
| Power rating | Approx. 45 kW | |
| Rated current | 90 A | |
| Input voltage | 380–500 V AC | |
| Input phases | 3-phase | |
| Protection rating | IP20 | |
| Cooling method | Forced air cooling | |
| Control method | Vector control | |
| Functional safety | Safe Torque Off (STO) | |
| Installation type | Cabinet / panel mounting |
Frequently Asked Questions
What is the Danfoss 137H3743 used for?
It is used for precise motor control in industrial automation systems and machinery applications.
What power range does this drive support?
It is typically used in the 45 kW class with a rated current of 90 A.
Does it include safety functionality?
Yes, it includes Safe Torque Off (STO) as standard.
What voltage supply is required?
The drive operates on a three-phase 380–500 V AC supply.
Is it suitable for industrial communication systems?
Yes, it supports multiple communication protocols depending on configuration.
Trusted in Industrial Automation Worldwide
Danfoss iC7-Automation drives are engineered for high efficiency, advanced control performance, and long-term reliability in demanding industrial environments.
