Danfoss 137U3956 iC7-Automation frequency converter, a 710 kW industrial variable frequency drive with 1260 A output rating, PROFINET RT communication and integrated STO functionality.
£71,669.60
The Danfoss 137U3956 is a high-performance iC7-Automation frequency converter engineered for demanding industrial motor control applications. Designed as part of the advanced Danfoss iC7-Automation drive platform, this drive delivers precise speed control, energy efficiency and seamless integration into modern automation environments.
Built to support large-scale industrial processes, the drive combines advanced motor control technology with integrated communication capabilities and functional safety features. Its robust architecture allows machine builders, system integrators and industrial operators to maximise productivity while maintaining reliable and efficient operation.
With a rated power of 710 kW (1000 HP), a 380-500 V AC three-phase supply and a nominal current rating of 1260 A, the Danfoss 137U3956 is ideally suited for heavy-duty applications including manufacturing, processing plants, material handling systems and industrial automation installations.
The Danfoss iC7-Automation platform is designed to provide accurate speed and torque control across a wide range of industrial motor applications. By dynamically adjusting voltage and frequency, the drive improves process efficiency, reduces mechanical wear and helps lower energy consumption.
Integrated communication, advanced diagnostics and functional safety features make the 137U3956 an excellent choice for modern industrial facilities requiring dependable performance and seamless automation integration.
| Power | 710 kW |
|---|---|
| Current | 1260 A |
| Phase | Three Phase |
| IP Rating | IP20 |
| Series | iC7-Automation |
| Part Number | 137U3956 |
| Catalogue Number | 7FC-AUFA3N05-1260E20F3-000140763 |
| Product type | Frequency converter |
| Rated power | 710 kW (1000 HP) |
| Rated current | 1260 A |
| Input voltage | 380-500 V AC |
| Input phases | 3-phase |
| Protection rating | IP20 Open Type |
| Frame size | FA1 |
| EMC category | C3 |
| Communication protocol | PROFINET RT OS7PR |
| Ethernet | Integrated Ethernet port |
| Functional safety | STO (Safe Torque Off) |
| Control panel | OPX20 |
| EMC Filter | Industrial |
The drive is used for controlling the speed and torque of large three-phase industrial motors in automation and process control applications.
The Danfoss 137U3956 provides a rated output power of 710 kW (1000 HP).
The drive operates from a 380-500 V AC three-phase supply.
The unit supports PROFINET RT communication and includes an integrated Ethernet port for industrial networking.
Yes, the drive includes integrated Safe Torque Off (STO) functionality for enhanced machine safety.
Danfoss iC7-Automation drives are designed to deliver precise motor control, high reliability and seamless integration into advanced industrial automation systems.
● Service Agreements
Credit Accounts
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
● frequently asked questions
At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
● latest blog
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...