Danfoss 137L3055 iC7-Automation frequency converter with 1120 A rated output current, three-phase 380-500 V AC supply, IP21 / UL Type 1 enclosure, STO safety and EtherNet/IP communication for industrial motor control applications.
£76,050.40
The Danfoss 137L3055 is a high-power iC7-Automation frequency converter designed for precise speed and torque control of large three-phase AC motors in demanding industrial automation environments. As part of the advanced Danfoss iC7-Automation drive series, it is engineered for OEMs, machine builders and automation professionals requiring reliable performance, flexible connectivity and efficient motor control.
This frequency converter combines robust power handling with integrated safety, modern fieldbus communication and a practical operator interface. Its air-cooled design, standard I/O and EtherNet/IP support make it suitable for integration into PLC-controlled machinery, production systems and heavy-duty process applications.
With a rated output current of 1120 A and a three-phase 380–500 V AC supply, the Danfoss 137L3055 is suitable for very large industrial motors used in pumps, fans, compressors, conveyors and production machinery. Its IP21 / UL Type 1 enclosure provides enhanced installation protection for industrial electrical rooms and controlled environments.
Frequency converters such as the Danfoss 137L3055 control motor speed by adjusting the voltage and frequency supplied to an AC motor. This allows industrial machinery to operate with improved precision, smoother acceleration and reduced mechanical stress.
The iC7-Automation range is designed for modern industrial systems where communication, safety and flexibility are essential. With EtherNet/IP, integrated STO and standard I/O, the 137L3055 can be incorporated into PLC-based automation platforms and machine control architectures.
| Power | 630 kW |
|---|---|
| Current | 1120 A |
| Phase | Three Phase |
| IP Rating | IP21 |
| Series | iC7-Automation |
| Catalogue number | 7FC-AUFA3N05-1120E21F2-000120921 |
| Model code | IC7-60FA3N05-1120E21F2+ACBC+AGCX+AJFX+BAIP+BDBA+BEF1+BF20+DAAU |
| Product type | Frequency converter |
| Rated output current | 1120 A |
| Input voltage | 380–500 V AC |
| Input phases | 3-phase |
| Frequency | 50 / 60 Hz |
| Protection rating | IP21 / UL Type 1 |
| EMC category | C2 |
| Cooling method | Air cooled |
| Frame size | FK12 |
| Control panel | OPX20 2.8-inch |
| Standard I/O | 4 x DI, 2 x DI/O, 2 x AI, 1 x AO, 2 x RO |
| Fieldbus protocol | EtherNet/IP OS7IP |
| Other communication | Ethernet port, no protocol |
| Functional safety | Safe Torque Off (STO), not upgradable |
| Mounting type | Industrial cabinet / enclosure mounting |
| EMC Filter | Commercial |
The Danfoss 137L3055 is used to control the speed and torque of large three-phase AC motors in industrial automation, process control and machine building applications.
The drive has a rated output current of approximately 1120 A.
The Danfoss 137L3055 operates from a three-phase 380–500 V AC supply.
This model is supplied with an IP21 / UL Type 1 enclosure, offering improved protection for industrial installations.
Yes, the drive supports EtherNet/IP OS7IP and includes an Ethernet port for integration with automation systems.
Danfoss iC7-Automation frequency converters are trusted by engineers, OEMs and automation specialists for reliable high-power motor control, efficient operation and flexible integration into modern industrial systems.
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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...