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137H3748 Danfoss 75kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137H3748 iC7-Automation frequency converter with approx. 75 kW power class, 147 A rated current, and IP21/UL Type 1 enclosure for industrial automation applications.
£10,503.00
Why Choose the Danfoss 137H3748 iC7-Automation Frequency Converter?
The Danfoss 137H3748 is a high-performance iC7-Automation frequency converter designed for advanced industrial motor control, delivering precise speed regulation, high efficiency, and robust performance across demanding automation environments.
Built on Danfoss’ latest iC7 platform, this drive combines intelligent control, modular architecture, and secure connectivity to support modern Industry 4.0 applications. It is widely used in conveyors, pumps, fans, compressors, and heavy-duty OEM machinery where reliable torque control and energy optimisation are essential.
This configuration operates with a rated output current of 147 A and a power class of approximately 75 kW, supporting a three-phase 380–500 V AC supply. It is designed for cabinet mounting and continuous industrial operation in high-demand applications. {index=0}
Key Advantages
- Advanced iC7-Automation drive platform for precise motor control.
- 147 A rated output current suitable for heavy-duty applications.
- Approx. 75 kW power class for demanding industrial systems.
- 380–500 V AC three-phase input for standard industrial compatibility.
- Integrated Safe Torque Off (STO) safety function for secure operation.
- High efficiency design with reduced energy loss and improved thermal management.
Key Features
- Danfoss iC7-Automation series frequency converter.
- 147 A nominal output current.
- Approx. 75 kW rated power.
- 380–500 V AC input supply.
- IP21 / UL Type 1 enclosure depending on configuration.
- Advanced vector control for high-precision motor performance.
- Modular and scalable architecture for flexible system integration.
- Supports multiple fieldbus communication options for automation systems.
Reliable Motor Control for Industrial Automation
The iC7-Automation platform delivers precise control of motor speed and torque by dynamically adjusting output frequency and voltage. This ensures smooth operation, improved process stability, and reduced mechanical wear across connected equipment.
Its modular and intelligent architecture enables scalable automation solutions, making it suitable for both standalone machines and complex production systems requiring high-performance drive control.
Typical Applications
- Industrial automation systems.
- Conveyors and material handling equipment.
- Pumps, fans, and compressors.
- OEM machinery and production lines.
- Process control environments.
- Energy-efficient high-power motor control systems.
Technical Specifications
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| Power | 75 kW | |
|---|---|---|
| Current | 147 A | |
| Phase | Three Phase | |
| IP Rating | IP21 | |
| EMC Filter | Commercial | |
| Series | iC7-Automation | |
| Product type | Frequency converter / AC drive | |
| Power rating | Approx. 75 kW | |
| Rated current | 147 A | |
| Input voltage | 380–500 V AC | |
| Input phases | 3-phase | |
| Protection rating | IP21 / UL Type 1 | |
| Cooling method | Air-cooled with forced ventilation | |
| Control method | Vector control | |
| Functional safety | Safe Torque Off (STO) | |
| Installation type | Cabinet / panel mounting |
Frequently Asked Questions
What is the Danfoss 137H3748 used for?
It is used for precise motor control in industrial automation systems and heavy-duty machinery applications.
What power range does this drive support?
It is typically used in the 75 kW class with a rated current of 147 A.
Does it include safety features?
Yes, it includes Safe Torque Off (STO) as standard for safe operation.
What voltage supply is required?
The drive operates on a three-phase 380–500 V AC supply.
Is it suitable for automation networks?
Yes, it supports multiple industrial fieldbus 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.
