Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
137L6143 Danfoss 710kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137L6143 iC7 Automation frequency converter with 1260 A rated output current, 380-500 V AC three-phase supply, IP20 open-type enclosure, Modbus TCP communication and integrated Safe Torque Off functionality.
£69,688.50
Why Choose the Danfoss 137L6143 iC7 Automation Drive?
The Danfoss 137L6143 is a high-power iC7 Automation frequency converter designed for demanding industrial motor control applications requiring precise performance, flexible connectivity and dependable operation. As part of the advanced Danfoss iC7 Automation drive series, it provides efficient speed and torque control for large AC motors used in heavy-duty automation and process systems.
This air-cooled frequency converter combines high current capacity with industrial communication support, integrated functional safety and a flexible standard I/O configuration. The iC7 Automation platform is engineered for modern automation environments, helping improve system integration, process reliability and energy-efficient motor operation.
With a rated output current of 1260 A and a three-phase 380–500 V AC supply, the Danfoss 137L6143 is suitable for large pumps, fans, compressors, conveyors and demanding production machinery. Its IP20 open-type enclosure and FA12 frame are designed for installation within industrial cabinets and control panels.
Key Advantages
- High-power industrial frequency converter for automation applications.
- 1260 A rated output current for large motor control systems.
- Three-phase 380–500 V AC input for industrial power networks.
- IP20 open-type enclosure for cabinet and panel installation.
- Integrated Safe Torque Off (STO) functional safety feature.
- Modbus TCP fieldbus communication for automation integration.
- Air-cooled design supports efficient thermal management.
- Ideal for high-power process control and factory automation systems.
Key Features
- Danfoss iC7 Automation frequency converter series.
- 1260 A rated output current.
- Three-phase 380–500 V AC input supply.
- Air-cooled frequency converter construction.
- IP20 open-type enclosure rating.
- Frame size FA12.
- EMC category C2.
- Integrated Safe Torque Off (STO) functionality.
- Modbus TCP fieldbus protocol enabled.
- Ethernet port for industrial network connectivity.
- Control Panel 2.8 OPX20 interface.
- Standard I/O configuration for flexible system integration.
High-Power Motor Control for Industrial Automation
The Danfoss iC7 Automation platform is built to provide accurate motor speed and torque regulation across demanding industrial processes. By controlling output frequency and voltage, the drive helps optimise motor performance, reduce mechanical stress and support improved energy efficiency in large motor systems.
The 137L6143 configuration includes Modbus TCP communication, Ethernet connectivity and integrated STO functionality, making it suitable for modern PLC-based control systems, industrial networks and process automation environments.
Typical Applications
- Large industrial pumps and pumping systems.
- High-power fans and ventilation equipment.
- Compressors and process machinery.
- Heavy-duty conveyors and material handling systems.
- Factory automation and production lines.
- Water treatment and utilities infrastructure.
- Large-scale process control systems.
Technical Specifications
Tick the specs you need, then view products that match.
| Power | 710 kW | |
|---|---|---|
| Current | 1260 A | |
| Phase | Three Phase | |
| IP Rating | IP20 | |
| EMC Filter | Commercial | |
| Series | iC7 Automation | |
| Product type | AC frequency converter | |
| Catalogue number | 7FC-AUFA3N05-1260E20F2-000124343 | |
| Full model code | IC7-60FA3N05-1260E20F2+AGCX+BAMT+BDBA+BEF1+BF20+CAC0+CCC0+DAAU | |
| Rated output current | 1260 A | |
| Input voltage | 380–500 V AC | |
| Input phases | 3-phase | |
| Cooling method | Air-cooled | |
| Protection rating | IP20 | |
| Enclosure type | Open type | |
| Frame size | FA12 | |
| EMC category | C2 | |
| Control panel | OPX20 2.8" | |
| Digital inputs | 4 x DI | |
| Digital I/O | 2 x DI/O | |
| Analogue inputs | 2 x AI | |
| Analogue outputs | 1 x AO | |
| Relay outputs | 2 x RO | |
| Fieldbus protocol | Modbus TCP OS7MT | |
| Other protocols | Ethernet port, no protocol | |
| Functional safety | Safe Torque Off (STO), not upgradable | |
| Mounting type | Industrial cabinet / panel installation |
Frequently Asked Questions
What is the Danfoss 137L6143 used for?
The Danfoss 137L6143 is used to control the speed and torque of large AC motors in industrial automation, process control and heavy-duty machinery applications.
What is the rated current of this drive?
The drive has a rated output current of 1260 A, making it suitable for high-power motor control systems.
What supply voltage does the Danfoss 137L6143 require?
The Danfoss 137L6143 operates from a three-phase 380–500 V AC supply.
Which communication protocol is supported?
This configuration supports Modbus TCP fieldbus communication and includes Ethernet connectivity for industrial automation integration.
Does this drive include safety functionality?
Yes, the drive includes integrated Safe Torque Off (STO) functionality for machine safety applications.
Trusted by Industrial Automation Professionals
Danfoss iC7 Automation drives are trusted by engineers, system integrators and industrial operators for reliable high-power motor control, flexible connectivity and efficient automation performance.
