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.
137L3055 Danfoss 630kW Three Phase iC7-Automation Variable Speed Drive
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.
£71,297.25
Why Choose the Danfoss 137L3055 iC7-Automation Frequency Converter?
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.
Key Advantages
- High-power frequency converter for industrial automation applications.
- 1120 A rated output current for demanding motor control systems.
- Three-phase 380–500 V AC input compatible with industrial power supplies.
- IP21 / UL Type 1 enclosure for enhanced installation protection.
- Integrated Safe Torque Off (STO) safety function.
- EtherNet/IP fieldbus communication for automation network integration.
- Efficient motor control helps improve process performance and reduce energy use.
Key Features
- Danfoss iC7-Automation frequency converter series.
- 1120 A rated output current.
- Three-phase 380–500 V AC input supply.
- IP21 / UL Type 1 protection rating.
- EMC category C2.
- Integrated Safe Torque Off (STO) functionality.
- EtherNet/IP OS7IP fieldbus protocol enabled.
- Ethernet port included.
- Standard I/O including digital and analogue inputs and outputs.
- OPX20 2.8-inch control panel.
- Air-cooled construction for industrial environments.
- Robust FK12 frame design for high-power drive applications.
High-Power Motor Control for Industrial Automation
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.
Typical Applications
- Large industrial pumps and pumping systems.
- Fans, blowers and ventilation equipment.
- Compressors and process machinery.
- Heavy-duty conveyors and material handling systems.
- Manufacturing and production lines.
- Water and wastewater treatment plants.
- OEM machine building and industrial automation systems.
Technical Specifications
Tick the specs you need, then view products that match.
| Power | 630 kW | |
|---|---|---|
| Current | 1120 A | |
| Phase | Three Phase | |
| IP Rating | IP21 | |
| EMC Filter | Commercial | |
| 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 |
Frequently Asked Questions
What is the Danfoss 137L3055 used for?
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.
What current rating does this frequency converter provide?
The drive has a rated output current of approximately 1120 A.
What supply voltage does the Danfoss 137L3055 require?
The Danfoss 137L3055 operates from a three-phase 380–500 V AC supply.
What enclosure protection does this model have?
This model is supplied with an IP21 / UL Type 1 enclosure, offering improved protection for industrial installations.
Does the drive support industrial communication networks?
Yes, the drive supports EtherNet/IP OS7IP and includes an Ethernet port for integration with automation systems.
Trusted by Industrial Automation Professionals
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.
