Danfoss 137H3751 iC7-Automation frequency converter with approx. 45 kW power class, 88 A rated current, and integrated STO safety for industrial automation applications.
£9,863.20
The Danfoss 137H3751 is a high-performance iC7-Automation frequency converter designed for advanced industrial motor control, delivering precise speed regulation, strong torque performance, and high energy efficiency in demanding automation environments.
Built on Danfoss’ latest iC7 platform, this drive combines intelligent control, modular architecture, and modern connectivity to support Industry 4.0-ready systems. It is commonly used in conveyors, pumps, fans, compressors, and OEM machinery where stable and efficient motor operation is required.
This model operates with a rated output current of 88 A and a power class of approximately 45 kW, supporting a three-phase 380–500 V AC supply. It is designed for cabinet mounting and continuous-duty industrial operation in demanding environments. {index=0}
The iC7-Automation platform provides 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 integrated production environments requiring reliable drive performance.
| Power | 45 kW |
|---|---|
| Current | 106 A |
| Phase | Three Phase |
| IP Rating | IP21 |
| Series | iC7-Automation |
| Product type | Frequency converter / AC drive |
| Power rating | Approx. 45 kW |
| Rated current | 88 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 |
| EMC Filter | None |
It is used for precise motor control in industrial automation systems and machinery applications.
It is typically used in the 45 kW class with a rated current of 88 A.
Yes, it includes Safe Torque Off (STO) as standard.
The drive operates on a three-phase 380–500 V AC supply.
Yes, it supports multiple communication protocols depending on configuration.
Danfoss iC7-Automation drives are engineered for high efficiency, advanced control performance, and long-term reliability in demanding industrial environments.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...