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137U3956 Danfoss 710kW Three Phase iC7-Automation Variable Speed Drive
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.
£67,190.25
Why Choose the Danfoss 137U3956 iC7-Automation Frequency Converter?
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.
Key Advantages
- High-capacity industrial frequency converter for demanding motor control applications.
- 710 kW output power suitable for large industrial motors.
- 1260 A current rating for high-performance operation.
- Integrated Safe Torque Off (STO) functionality.
- PROFINET RT communication support for industrial automation networks.
- Coated circuit boards for enhanced durability in industrial environments.
- Ethernet connectivity for flexible integration and diagnostics.
- Optimised energy efficiency and process control.
Key Features
- Danfoss iC7-Automation series.
- 710 kW (1000 HP) rated power output.
- 1260 A rated output current.
- 380-500 V AC three-phase input supply.
- Integrated Safe Torque Off (STO) safety function.
- PROFINET RT OS7PR fieldbus communication.
- Built-in Ethernet port.
- Standard I/O configuration with digital and analogue inputs and outputs.
- Control Panel 2.8 OPX20 included.
- IP20 open-type enclosure.
Advanced Industrial Motor Control
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.
Typical Applications
- Industrial manufacturing facilities.
- Material handling and conveyor systems.
- Water and wastewater treatment plants.
- Heavy-duty pumps and fans.
- Processing and production lines.
- OEM machinery and automation systems.
- Energy and infrastructure applications.
Technical Specifications
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| Power | 710 kW | |
|---|---|---|
| Current | 1260 A | |
| Phase | Three Phase | |
| IP Rating | IP20 | |
| EMC Filter | Industrial | |
| 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 |
Frequently Asked Questions
What is the Danfoss 137U3956 used for?
The drive is used for controlling the speed and torque of large three-phase industrial motors in automation and process control applications.
What power rating does this frequency converter provide?
The Danfoss 137U3956 provides a rated output power of 710 kW (1000 HP).
What supply voltage does the drive require?
The drive operates from a 380-500 V AC three-phase supply.
Which communication protocol is supported?
The unit supports PROFINET RT communication and includes an integrated Ethernet port for industrial networking.
Does the drive include safety functionality?
Yes, the drive includes integrated Safe Torque Off (STO) functionality for enhanced machine safety.
Trusted for Industrial Automation
Danfoss iC7-Automation drives are designed to deliver precise motor control, high reliability and seamless integration into advanced industrial automation systems.
